| Message ID | 20220705085420.272912-18-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Move HEVC stateless controls out of staging | expand |
On Tue, Jul 05, 2022 at 10:54:20AM +0200, Benjamin Gaignard wrote: > HEVC uAPI is used by 2 mainline drivers (Hantro, Cedrus) > and at least 2 out-of-tree drivers (rkvdec, RPi). > The uAPI has been reviewed so it is time to make it 'public' by > un-staging it. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> > Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> > Tested-by: Jernej Skrabec <jernej.skrabec@gmail.com> Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Thanks, Ezequiel > --- > version 9: > - fix the waring reported by 'scripts/kernel-doc -none > include/uapi/linux/v4l2-controls.h' > - fix various typo > > .../media/v4l/ext-ctrls-codec-stateless.rst | 897 +++++++++++++++++ > .../media/v4l/ext-ctrls-codec.rst | 901 ------------------ > .../media/v4l/pixfmt-compressed.rst | 2 +- > .../media/v4l/vidioc-g-ext-ctrls.rst | 20 + > include/media/hevc-ctrls.h | 474 --------- > include/media/v4l2-ctrls.h | 6 - > include/uapi/linux/v4l2-controls.h | 459 +++++++++ > include/uapi/linux/videodev2.h | 5 + > 8 files changed, 1382 insertions(+), 1382 deletions(-) > delete mode 100644 include/media/hevc-ctrls.h > > diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst > index bee73065e993..38bb6339ff17 100644 > --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst > +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst > @@ -2048,3 +2048,900 @@ This structure contains all loop filter related parameters. See sections > - 0x2 > - When set, the bitstream contains additional syntax elements that > specify which mode and reference frame deltas are to be updated. > + > +.. _v4l2-codec-stateless-hevc: > + > +``V4L2_CID_STATELESS_HEVC_SPS (struct)`` > + Specifies the Sequence Parameter Set fields (as extracted from the > + bitstream) for the associated HEVC slice data. > + These bitstream parameters are defined according to :ref:`hevc`. > + They are described in section 7.4.3.2 "Sequence parameter set RBSP > + semantics" of the specification. > + > +.. c:type:: v4l2_ctrl_hevc_sps > + > +.. raw:: latex > + > + \small > + > +.. tabularcolumns:: |p{1.2cm}|p{9.2cm}|p{6.9cm}| > + > +.. cssclass:: longtable > + > +.. flat-table:: struct v4l2_ctrl_hevc_sps > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - __u8 > + - ``video_parameter_set_id`` > + - Specifies the value of the vps_video_parameter_set_id of the active VPS > + as described in section "7.4.3.2.1 General sequence parameter set RBSP semantics" > + of H.265 specifications. > + * - __u8 > + - ``seq_parameter_set_id`` > + - Provides an identifier for the SPS for reference by other syntax elements > + as described in section "7.4.3.2.1 General sequence parameter set RBSP semantics" > + of H.265 specifications. > + * - __u16 > + - ``pic_width_in_luma_samples`` > + - Specifies the width of each decoded picture in units of luma samples. > + * - __u16 > + - ``pic_height_in_luma_samples`` > + - Specifies the height of each decoded picture in units of luma samples. > + * - __u8 > + - ``bit_depth_luma_minus8`` > + - This value plus 8 specifies the bit depth of the samples of the luma array. > + * - __u8 > + - ``bit_depth_chroma_minus8`` > + - This value plus 8 specifies the bit depth of the samples of the chroma arrays. > + * - __u8 > + - ``log2_max_pic_order_cnt_lsb_minus4`` > + - Specifies the value of the variable MaxPicOrderCntLsb. > + * - __u8 > + - ``sps_max_dec_pic_buffering_minus1`` > + - This value plus 1 specifies the maximum required size of the decoded picture buffer for > + the coded video sequence (CVS). > + * - __u8 > + - ``sps_max_num_reorder_pics`` > + - Indicates the maximum allowed number of pictures. > + * - __u8 > + - ``sps_max_latency_increase_plus1`` > + - Used to signal MaxLatencyPictures, which indicates the maximum number of > + pictures that can precede any picture in output order and follow that > + picture in decoding order. > + * - __u8 > + - ``log2_min_luma_coding_block_size_minus3`` > + - This value plus 3 specifies the minimum luma coding block size. > + * - __u8 > + - ``log2_diff_max_min_luma_coding_block_size`` > + - Specifies the difference between the maximum and minimum luma coding block size. > + * - __u8 > + - ``log2_min_luma_transform_block_size_minus2`` > + - This value plus 2 specifies the minimum luma transform block size. > + * - __u8 > + - ``log2_diff_max_min_luma_transform_block_size`` > + - Specifies the difference between the maximum and minimum luma transform block size. > + * - __u8 > + - ``max_transform_hierarchy_depth_inter`` > + - Specifies the maximum hierarchy depth for transform units of coding units coded > + in inter prediction mode. > + * - __u8 > + - ``max_transform_hierarchy_depth_intra`` > + - Specifies the maximum hierarchy depth for transform units of coding units coded in > + intra prediction mode. > + * - __u8 > + - ``pcm_sample_bit_depth_luma_minus1`` > + - This value plus 1 specifies the number of bits used to represent each of PCM sample values of the > + luma component. > + * - __u8 > + - ``pcm_sample_bit_depth_chroma_minus1`` > + - Specifies the number of bits used to represent each of PCM sample values of > + the chroma components. > + * - __u8 > + - ``log2_min_pcm_luma_coding_block_size_minus3`` > + - Plus 3 specifies the minimum size of coding blocks. > + * - __u8 > + - ``log2_diff_max_min_pcm_luma_coding_block_size`` > + - Specifies the difference between the maximum and minimum size of coding blocks. > + * - __u8 > + - ``num_short_term_ref_pic_sets`` > + - Specifies the number of st_ref_pic_set() syntax structures included in the SPS. > + * - __u8 > + - ``num_long_term_ref_pics_sps`` > + - Specifies the number of candidate long-term reference pictures that are > + specified in the SPS. > + * - __u8 > + - ``chroma_format_idc`` > + - Specifies the chroma sampling. > + * - __u8 > + - ``sps_max_sub_layers_minus1`` > + - This value plus 1 specifies the maximum number of temporal sub-layers. > + * - __u64 > + - ``flags`` > + - See :ref:`Sequence Parameter Set Flags <hevc_sps_flags>` > + > +.. raw:: latex > + > + \normalsize > + > +.. _hevc_sps_flags: > + > +``Sequence Parameter Set Flags`` > + > +.. raw:: latex > + > + \small > + > +.. cssclass:: longtable > + > +.. flat-table:: > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - ``V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE`` > + - 0x00000001 > + - > + * - ``V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED`` > + - 0x00000002 > + - > + * - ``V4L2_HEVC_SPS_FLAG_AMP_ENABLED`` > + - 0x00000004 > + - > + * - ``V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET`` > + - 0x00000008 > + - > + * - ``V4L2_HEVC_SPS_FLAG_PCM_ENABLED`` > + - 0x00000010 > + - > + * - ``V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED`` > + - 0x00000020 > + - > + * - ``V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT`` > + - 0x00000040 > + - > + * - ``V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED`` > + - 0x00000080 > + - > + * - ``V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED`` > + - 0x00000100 > + - > + > +.. raw:: latex > + > + \normalsize > + > +``V4L2_CID_STATELESS_HEVC_PPS (struct)`` > + Specifies the Picture Parameter Set fields (as extracted from the > + bitstream) for the associated HEVC slice data. > + These bitstream parameters are defined according to :ref:`hevc`. > + They are described in section 7.4.3.3 "Picture parameter set RBSP > + semantics" of the specification. > + > +.. c:type:: v4l2_ctrl_hevc_pps > + > +.. tabularcolumns:: |p{1.2cm}|p{8.6cm}|p{7.5cm}| > + > +.. cssclass:: longtable > + > +.. flat-table:: struct v4l2_ctrl_hevc_pps > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - __u8 > + - ``pic_parameter_set_id`` > + - Identifies the PPS for reference by other syntax elements. > + * - __u8 > + - ``num_extra_slice_header_bits`` > + - Specifies the number of extra slice header bits that are present > + in the slice header RBSP for coded pictures referring to the PPS. > + * - __u8 > + - ``num_ref_idx_l0_default_active_minus1`` > + - This value plus 1 specifies the inferred value of num_ref_idx_l0_active_minus1 > + * - __u8 > + - ``num_ref_idx_l1_default_active_minus1`` > + - This value plus 1 specifies the inferred value of num_ref_idx_l1_active_minus1 > + * - __s8 > + - ``init_qp_minus26`` > + - This value plus 26 specifies the initial value of SliceQp Y for each slice > + referring to the PPS. > + * - __u8 > + - ``diff_cu_qp_delta_depth`` > + - Specifies the difference between the luma coding tree block size > + and the minimum luma coding block size of coding units that > + convey cu_qp_delta_abs and cu_qp_delta_sign_flag. > + * - __s8 > + - ``pps_cb_qp_offset`` > + - Specify the offsets to the luma quantization parameter Cb. > + * - __s8 > + - ``pps_cr_qp_offset`` > + - Specify the offsets to the luma quantization parameter Cr. > + * - __u8 > + - ``num_tile_columns_minus1`` > + - This value plus 1 specifies the number of tile columns partitioning the picture. > + * - __u8 > + - ``num_tile_rows_minus1`` > + - This value plus 1 specifies the number of tile rows partitioning the picture. > + * - __u8 > + - ``column_width_minus1[20]`` > + - This value plus 1 specifies the width of the i-th tile column in units of > + coding tree blocks. > + * - __u8 > + - ``row_height_minus1[22]`` > + - This value plus 1 specifies the height of the i-th tile row in units of coding > + tree blocks. > + * - __s8 > + - ``pps_beta_offset_div2`` > + - Specify the default deblocking parameter offsets for beta divided by 2. > + * - __s8 > + - ``pps_tc_offset_div2`` > + - Specify the default deblocking parameter offsets for tC divided by 2. > + * - __u8 > + - ``log2_parallel_merge_level_minus2`` > + - This value plus 2 specifies the value of the variable Log2ParMrgLevel. > + * - __u8 > + - ``padding[4]`` > + - Applications and drivers must set this to zero. > + * - __u64 > + - ``flags`` > + - See :ref:`Picture Parameter Set Flags <hevc_pps_flags>` > + > +.. _hevc_pps_flags: > + > +``Picture Parameter Set Flags`` > + > +.. raw:: latex > + > + \small > + > +.. flat-table:: > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED`` > + - 0x00000001 > + - > + * - ``V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT`` > + - 0x00000002 > + - > + * - ``V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED`` > + - 0x00000004 > + - > + * - ``V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT`` > + - 0x00000008 > + - > + * - ``V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED`` > + - 0x00000010 > + - > + * - ``V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED`` > + - 0x00000020 > + - > + * - ``V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED`` > + - 0x00000040 > + - > + * - ``V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT`` > + - 0x00000080 > + - > + * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED`` > + - 0x00000100 > + - > + * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED`` > + - 0x00000200 > + - > + * - ``V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED`` > + - 0x00000400 > + - > + * - ``V4L2_HEVC_PPS_FLAG_TILES_ENABLED`` > + - 0x00000800 > + - > + * - ``V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED`` > + - 0x00001000 > + - > + * - ``V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED`` > + - 0x00002000 > + - > + * - ``V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED`` > + - 0x00004000 > + - > + * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED`` > + - 0x00008000 > + - > + * - ``V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER`` > + - 0x00010000 > + - > + * - ``V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT`` > + - 0x00020000 > + - > + * - ``V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT`` > + - 0x00040000 > + - > + * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT`` > + - 0x00080000 > + - Specifies the presence of deblocking filter control syntax elements in > + the PPS > + * - ``V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING`` > + - 0x00100000 > + - Specifies that tile column boundaries and likewise tile row boundaries > + are distributed uniformly across the picture > + > +.. raw:: latex > + > + \normalsize > + > +``V4L2_CID_STATELESS_HEVC_SLICE_PARAMS (struct)`` > + Specifies various slice-specific parameters, especially from the NAL unit > + header, general slice segment header and weighted prediction parameter > + parts of the bitstream. > + These bitstream parameters are defined according to :ref:`hevc`. > + They are described in section 7.4.7 "General slice segment header > + semantics" of the specification. > + This control is a dynamically sized 1-dimensional array, > + V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it. > + > +.. c:type:: v4l2_ctrl_hevc_slice_params > + > +.. raw:: latex > + > + \scriptsize > + > +.. tabularcolumns:: |p{5.4cm}|p{6.8cm}|p{5.1cm}| > + > +.. cssclass:: longtable > + > +.. flat-table:: struct v4l2_ctrl_hevc_slice_params > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - __u32 > + - ``bit_size`` > + - Size (in bits) of the current slice data. > + * - __u32 > + - ``data_byte_offset`` > + - Offset (in byte) to the video data in the current slice data. > + * - __u32 > + - ``num_entry_point_offsets`` > + - Specifies the number of entry point offset syntax elements in the slice header. > + * - __u8 > + - ``nal_unit_type`` > + - Specifies the coding type of the slice (B, P or I). > + * - __u8 > + - ``nuh_temporal_id_plus1`` > + - Minus 1 specifies a temporal identifier for the NAL unit. > + * - __u8 > + - ``slice_type`` > + - > + (V4L2_HEVC_SLICE_TYPE_I, V4L2_HEVC_SLICE_TYPE_P or > + V4L2_HEVC_SLICE_TYPE_B). > + * - __u8 > + - ``colour_plane_id`` > + - Specifies the colour plane associated with the current slice. > + * - __s32 > + - ``slice_pic_order_cnt`` > + - Specifies the picture order count. > + * - __u8 > + - ``num_ref_idx_l0_active_minus1`` > + - This value plus 1 specifies the maximum reference index for reference picture list 0 > + that may be used to decode the slice. > + * - __u8 > + - ``num_ref_idx_l1_active_minus1`` > + - This value plus 1 specifies the maximum reference index for reference picture list 1 > + that may be used to decode the slice. > + * - __u8 > + - ``collocated_ref_idx`` > + - Specifies the reference index of the collocated picture used for > + temporal motion vector prediction. > + * - __u8 > + - ``five_minus_max_num_merge_cand`` > + - Specifies the maximum number of merging motion vector prediction > + candidates supported in the slice subtracted from 5. > + * - __s8 > + - ``slice_qp_delta`` > + - Specifies the initial value of QpY to be used for the coding blocks in the slice. > + * - __s8 > + - ``slice_cb_qp_offset`` > + - Specifies a difference to be added to the value of pps_cb_qp_offset. > + * - __s8 > + - ``slice_cr_qp_offset`` > + - Specifies a difference to be added to the value of pps_cr_qp_offset. > + * - __s8 > + - ``slice_act_y_qp_offset`` > + - Specifies the offset to the luma of quantization parameter qP derived in section 8.6.2 > + * - __s8 > + - ``slice_act_cb_qp_offset`` > + - Specifies the offset to the cb of quantization parameter qP derived in section 8.6.2 > + * - __s8 > + - ``slice_act_cr_qp_offset`` > + - Specifies the offset to the cr of quantization parameter qP derived in section 8.6.2 > + * - __s8 > + - ``slice_beta_offset_div2`` > + - Specify the deblocking parameter offsets for beta divided by 2. > + * - __s8 > + - ``slice_tc_offset_div2`` > + - Specify the deblocking parameter offsets for tC divided by 2. > + * - __u8 > + - ``pic_struct`` > + - Indicates whether a picture should be displayed as a frame or as one or more fields. > + * - __u32 > + - ``slice_segment_addr`` > + - Specifies the address of the first coding tree block in the slice segment. > + * - __u8 > + - ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - The list of L0 reference elements as indices in the DPB. > + * - __u8 > + - ``ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - The list of L1 reference elements as indices in the DPB. > + * - __u16 > + - ``short_term_ref_pic_set_size`` > + - Specifies the size, in bits, of the short-term reference picture set, described as st_ref_pic_set() > + in the specification, included in the slice header or SPS (section 7.3.6.1). > + * - __u16 > + - ``long_term_ref_pic_set_size`` > + - Specifies the size, in bits, of the long-term reference picture set include in the slice header > + or SPS. It is the number of bits in the conditional block if(long_term_ref_pics_present_flag) > + in section 7.3.6.1 of the specification. > + * - __u8 > + - ``padding`` > + - Applications and drivers must set this to zero. > + * - struct :c:type:`v4l2_hevc_pred_weight_table` > + - ``pred_weight_table`` > + - The prediction weight coefficients for inter-picture prediction. > + * - __u64 > + - ``flags`` > + - See :ref:`Slice Parameters Flags <hevc_slice_params_flags>` > + > +.. raw:: latex > + > + \normalsize > + > +.. _hevc_slice_params_flags: > + > +``Slice Parameters Flags`` > + > +.. raw:: latex > + > + \scriptsize > + > +.. flat-table:: > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA`` > + - 0x00000001 > + - > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA`` > + - 0x00000002 > + - > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED`` > + - 0x00000004 > + - > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO`` > + - 0x00000008 > + - > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT`` > + - 0x00000010 > + - > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0`` > + - 0x00000020 > + - > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV`` > + - 0x00000040 > + - > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED`` > + - 0x00000080 > + - > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED`` > + - 0x00000100 > + - > + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT`` > + - 0x00000200 > + - > + > +.. raw:: latex > + > + \normalsize > + > +``V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (integer)`` > + Specifies entry point offsets in bytes. > + This control is a dynamically sized array. The number of entry point > + offsets is reported by the ``elems`` field. > + This bitstream parameter is defined according to :ref:`hevc`. > + They are described in section 7.4.7.1 "General slice segment header > + semantics" of the specification. > + > +``V4L2_CID_STATELESS_HEVC_SCALING_MATRIX (struct)`` > + Specifies the HEVC scaling matrix parameters used for the scaling process > + for transform coefficients. > + These matrix and parameters are defined according to :ref:`hevc`. > + They are described in section 7.4.5 "Scaling list data semantics" of > + the specification. > + > +.. c:type:: v4l2_ctrl_hevc_scaling_matrix > + > +.. raw:: latex > + > + \scriptsize > + > +.. tabularcolumns:: |p{5.4cm}|p{6.8cm}|p{5.1cm}| > + > +.. cssclass:: longtable > + > +.. flat-table:: struct v4l2_ctrl_hevc_scaling_matrix > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - __u8 > + - ``scaling_list_4x4[6][16]`` > + - Scaling list is used for the scaling process for transform > + coefficients. The values on each scaling list are expected > + in raster scan order. > + * - __u8 > + - ``scaling_list_8x8[6][64]`` > + - Scaling list is used for the scaling process for transform > + coefficients. The values on each scaling list are expected > + in raster scan order. > + * - __u8 > + - ``scaling_list_16x16[6][64]`` > + - Scaling list is used for the scaling process for transform > + coefficients. The values on each scaling list are expected > + in raster scan order. > + * - __u8 > + - ``scaling_list_32x32[2][64]`` > + - Scaling list is used for the scaling process for transform > + coefficients. The values on each scaling list are expected > + in raster scan order. > + * - __u8 > + - ``scaling_list_dc_coef_16x16[6]`` > + - Scaling list is used for the scaling process for transform > + coefficients. The values on each scaling list are expected > + in raster scan order. > + * - __u8 > + - ``scaling_list_dc_coef_32x32[2]`` > + - Scaling list is used for the scaling process for transform > + coefficients. The values on each scaling list are expected > + in raster scan order. > + > +.. raw:: latex > + > + \normalsize > + > +.. c:type:: v4l2_hevc_dpb_entry > + > +.. raw:: latex > + > + \small > + > +.. tabularcolumns:: |p{1.0cm}|p{4.2cm}|p{12.1cm}| > + > +.. flat-table:: struct v4l2_hevc_dpb_entry > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - __u64 > + - ``timestamp`` > + - Timestamp of the V4L2 capture buffer to use as reference, used > + with B-coded and P-coded frames. The timestamp refers to the > + ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the > + :c:func:`v4l2_timeval_to_ns()` function to convert the struct > + :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64. > + * - __u8 > + - ``flags`` > + - Long term flag for the reference frame > + (V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE). The flag is set as > + described in the ITU HEVC specification chapter "8.3.2 Decoding > + process for reference picture set". > + * - __u8 > + - ``field_pic`` > + - Whether the reference is a field picture or a frame. > + See :ref:`HEVC dpb field pic Flags <hevc_dpb_field_pic_flags>` > + * - __s32 > + - ``pic_order_cnt_val`` > + - The picture order count of the current picture. > + * - __u8 > + - ``padding[2]`` > + - Applications and drivers must set this to zero. > + > +.. raw:: latex > + > + \normalsize > + > +.. _hevc_dpb_field_pic_flags: > + > +``HEVC dpb field pic Flags`` > + > +.. raw:: latex > + > + \scriptsize > + > +.. flat-table:: > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME`` > + - 0 > + - (progressive) Frame > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD`` > + - 1 > + - Top field > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD`` > + - 2 > + - Bottom field > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM`` > + - 3 > + - Top field, bottom field, in that order > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP`` > + - 4 > + - Bottom field, top field, in that order > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP`` > + - 5 > + - Top field, bottom field, top field repeated, in that order > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM`` > + - 6 > + - Bottom field, top field, bottom field repeated, in that order > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING`` > + - 7 > + - Frame doubling > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING`` > + - 8 > + - Frame tripling > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM`` > + - 9 > + - Top field paired with previous bottom field in output order > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP`` > + - 10 > + - Bottom field paired with previous top field in output order > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM`` > + - 11 > + - Top field paired with next bottom field in output order > + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP`` > + - 12 > + - Bottom field paired with next top field in output order > + > +.. c:type:: v4l2_hevc_pred_weight_table > + > +.. raw:: latex > + > + \footnotesize > + > +.. tabularcolumns:: |p{0.8cm}|p{10.6cm}|p{5.9cm}| > + > +.. flat-table:: struct v4l2_hevc_pred_weight_table > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - __s8 > + - ``delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - The difference of the weighting factor applied to the luma > + prediction value for list 0. > + * - __s8 > + - ``luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - The additive offset applied to the luma prediction value for list 0. > + * - __s8 > + - ``delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` > + - The difference of the weighting factor applied to the chroma > + prediction value for list 0. > + * - __s8 > + - ``chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` > + - The difference of the additive offset applied to the chroma > + prediction values for list 0. > + * - __s8 > + - ``delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - The difference of the weighting factor applied to the luma > + prediction value for list 1. > + * - __s8 > + - ``luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - The additive offset applied to the luma prediction value for list 1. > + * - __s8 > + - ``delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` > + - The difference of the weighting factor applied to the chroma > + prediction value for list 1. > + * - __s8 > + - ``chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` > + - The difference of the additive offset applied to the chroma > + prediction values for list 1. > + * - __u8 > + - ``luma_log2_weight_denom`` > + - The base 2 logarithm of the denominator for all luma weighting > + factors. > + * - __s8 > + - ``delta_chroma_log2_weight_denom`` > + - The difference of the base 2 logarithm of the denominator for > + all chroma weighting factors. > + * - __u8 > + - ``padding[6]`` > + - Applications and drivers must set this to zero. > + > +.. raw:: latex > + > + \normalsize > + > +``V4L2_CID_STATELESS_HEVC_DECODE_MODE (enum)`` > + Specifies the decoding mode to use. Currently exposes slice-based and > + frame-based decoding but new modes might be added later on. > + This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE > + pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE > + are required to set this control in order to specify the decoding mode > + that is expected for the buffer. > + Drivers may expose a single or multiple decoding modes, depending > + on what they can support. > + > +.. c:type:: v4l2_stateless_hevc_decode_mode > + > +.. raw:: latex > + > + \small > + > +.. tabularcolumns:: |p{9.4cm}|p{0.6cm}|p{7.3cm}| > + > +.. flat-table:: > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - ``V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED`` > + - 0 > + - Decoding is done at the slice granularity. > + The OUTPUT buffer must contain a single slice. > + * - ``V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED`` > + - 1 > + - Decoding is done at the frame granularity. > + The OUTPUT buffer must contain all slices needed to decode the > + frame. > + > +.. raw:: latex > + > + \normalsize > + > +``V4L2_CID_STATELESS_HEVC_START_CODE (enum)`` > + Specifies the HEVC slice start code expected for each slice. > + This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE > + pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE > + are required to set this control in order to specify the start code > + that is expected for the buffer. > + Drivers may expose a single or multiple start codes, depending > + on what they can support. > + > +.. c:type:: v4l2_stateless_hevc_start_code > + > +.. tabularcolumns:: |p{9.2cm}|p{0.6cm}|p{7.5cm}| > + > +.. flat-table:: > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - ``V4L2_STATELESS_HEVC_START_CODE_NONE`` > + - 0 > + - Selecting this value specifies that HEVC slices are passed > + to the driver without any start code. The bitstream data should be > + according to :ref:`hevc` 7.3.1.1 General NAL unit syntax, hence > + contains emulation prevention bytes when required. > + * - ``V4L2_STATELESS_HEVC_START_CODE_ANNEX_B`` > + - 1 > + - Selecting this value specifies that HEVC slices are expected > + to be prefixed by Annex B start codes. According to :ref:`hevc` > + valid start codes can be 3-bytes 0x000001 or 4-bytes 0x00000001. > + > +.. raw:: latex > + > + \normalsize > + > +``V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID (integer)`` > + Specifies a priority identifier for the NAL unit, which will be applied to > + the base layer. By default this value is set to 0 for the base layer, > + and the next layer will have the priority ID assigned as 1, 2, 3 and so on. > + The video encoder can't decide the priority id to be applied to a layer, > + so this has to come from client. > + This is applicable to H264 and valid Range is from 0 to 63. > + Source Rec. ITU-T H.264 (06/2019); G.7.4.1.1, G.8.8.1. > + > +``V4L2_CID_MPEG_VIDEO_LTR_COUNT (integer)`` > + Specifies the maximum number of Long Term Reference (LTR) frames at any > + given time that the encoder can keep. > + This is applicable to the H264 and HEVC encoders. > + > +``V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (integer)`` > + After setting this control the frame that will be queued next > + will be marked as a Long Term Reference (LTR) frame > + and given this LTR index which ranges from 0 to LTR_COUNT-1. > + This is applicable to the H264 and HEVC encoders. > + Source Rec. ITU-T H.264 (06/2019); Table 7.9 > + > +``V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (bitmask)`` > + Specifies the Long Term Reference (LTR) frame(s) to be used for > + encoding the next frame queued after setting this control. > + This provides a bitmask which consists of bits [0, LTR_COUNT-1]. > + This is applicable to the H264 and HEVC encoders. > + > +``V4L2_CID_STATELESS_HEVC_DECODE_PARAMS (struct)`` > + Specifies various decode parameters, especially the references picture order > + count (POC) for all the lists (short, long, before, current, after) and the > + number of entries for each of them. > + These parameters are defined according to :ref:`hevc`. > + They are described in section 8.3 "Slice decoding process" of the > + specification. > + > +.. c:type:: v4l2_ctrl_hevc_decode_params > + > +.. cssclass:: longtable > + > +.. flat-table:: struct v4l2_ctrl_hevc_decode_params > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - __s32 > + - ``pic_order_cnt_val`` > + - PicOrderCntVal as described in section 8.3.1 "Decoding process > + for picture order count" of the specification. > + * - __u16 > + - ``short_term_ref_pic_set_size`` > + - Specifies the size, in bits, of the short-term reference picture set, of the first slice > + described as st_ref_pic_set() in the specification, included in the slice header > + or SPS (section 7.3.6.1). > + * - __u16 > + - ``long_term_ref_pic_set_size`` > + - Specifies the size, in bits, of the long-term reference picture set, of the first slice > + included in the slice header or SPS. It is the number of bits in the conditional block > + if(long_term_ref_pics_present_flag) in section 7.3.6.1 of the specification. > + * - __u8 > + - ``num_active_dpb_entries`` > + - The number of entries in ``dpb``. > + * - __u8 > + - ``num_poc_st_curr_before`` > + - The number of reference pictures in the short-term set that come before > + the current frame. > + * - __u8 > + - ``num_poc_st_curr_after`` > + - The number of reference pictures in the short-term set that come after > + the current frame. > + * - __u8 > + - ``num_poc_lt_curr`` > + - The number of reference pictures in the long-term set. > + * - __u8 > + - ``poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - PocStCurrBefore as described in section 8.3.2 "Decoding process for reference > + picture set": provides the index of the short term before references in DPB array. > + * - __u8 > + - ``poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - PocStCurrAfter as described in section 8.3.2 "Decoding process for reference > + picture set": provides the index of the short term after references in DPB array. > + * - __u8 > + - ``poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - PocLtCurr as described in section 8.3.2 "Decoding process for reference > + picture set": provides the index of the long term references in DPB array. > + * - struct :c:type:`v4l2_hevc_dpb_entry` > + - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > + - The decoded picture buffer, for meta-data about reference frames. > + * - __u64 > + - ``flags`` > + - See :ref:`Decode Parameters Flags <hevc_decode_params_flags>` > + > +.. _hevc_decode_params_flags: > + > +``Decode Parameters Flags`` > + > +.. cssclass:: longtable > + > +.. flat-table:: > + :header-rows: 0 > + :stub-columns: 0 > + :widths: 1 1 2 > + > + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC`` > + - 0x00000001 > + - > + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC`` > + - 0x00000002 > + - > + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR`` > + - 0x00000004 > + - > diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > index af5cb4e4ef73..2a165ae063fb 100644 > --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > @@ -2658,904 +2658,3 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - > Indicates whether to generate SPS and PPS at every IDR. Setting it to 0 > disables generating SPS and PPS at every IDR. Setting it to one enables > generating SPS and PPS at every IDR. > - > -.. _v4l2-mpeg-hevc: > - > -``V4L2_CID_STATELESS_HEVC_SPS (struct)`` > - Specifies the Sequence Parameter Set fields (as extracted from the > - bitstream) for the associated HEVC slice data. > - These bitstream parameters are defined according to :ref:`hevc`. > - They are described in section 7.4.3.2 "Sequence parameter set RBSP > - semantics" of the specification. > - > -.. c:type:: v4l2_ctrl_hevc_sps > - > -.. raw:: latex > - > - \small > - > -.. tabularcolumns:: |p{1.2cm}|p{9.2cm}|p{6.9cm}| > - > -.. cssclass:: longtable > - > -.. flat-table:: struct v4l2_ctrl_hevc_sps > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - __u8 > - - ``video_parameter_set_id`` > - - Specifies the value of the vps_video_parameter_set_id of the active VPS > - as described in section "7.4.3.2.1 General sequence parameter set RBSP semantics" > - of H.265 specifications. > - * - __u8 > - - ``seq_parameter_set_id`` > - - Provides an identifier for the SPS for reference by other syntax elements > - as described in section "7.4.3.2.1 General sequence parameter set RBSP semantics" > - of H.265 specifications. > - * - __u16 > - - ``pic_width_in_luma_samples`` > - - Specifies the width of each decoded picture in units of luma samples. > - * - __u16 > - - ``pic_height_in_luma_samples`` > - - Specifies the height of each decoded picture in units of luma samples. > - * - __u8 > - - ``bit_depth_luma_minus8`` > - - This value plus 8 specifies the bit depth of the samples of the luma array. > - * - __u8 > - - ``bit_depth_chroma_minus8`` > - - This value plus 8 specifies the bit depth of the samples of the chroma arrays. > - * - __u8 > - - ``log2_max_pic_order_cnt_lsb_minus4`` > - - This value plus 4 specifies the value of the variable MaxPicOrderCntLsb. > - * - __u8 > - - ``sps_max_dec_pic_buffering_minus1`` > - - This value plus 1 specifies the maximum required size of the decoded picture buffer for > - the codec video sequence. > - * - __u8 > - - ``sps_max_num_reorder_pics`` > - - Indicates the maximum allowed number of pictures. > - * - __u8 > - - ``sps_max_latency_increase_plus1`` > - - Not equal to 0 is used to compute the value of SpsMaxLatencyPictures array. > - * - __u8 > - - ``log2_min_luma_coding_block_size_minus3`` > - - This value plus 3 specifies the minimum luma coding block size. > - * - __u8 > - - ``log2_diff_max_min_luma_coding_block_size`` > - - Specifies the difference between the maximum and minimum luma coding block size. > - * - __u8 > - - ``log2_min_luma_transform_block_size_minus2`` > - - This value plus 2 specifies the minimum luma transform block size. > - * - __u8 > - - ``log2_diff_max_min_luma_transform_block_size`` > - - Specifies the difference between the maximum and minimum luma transform block size. > - * - __u8 > - - ``max_transform_hierarchy_depth_inter`` > - - Specifies the maximum hierarchy depth for transform units of coding units coded > - in inter prediction mode. > - * - __u8 > - - ``max_transform_hierarchy_depth_intra`` > - - Specifies the maximum hierarchy depth for transform units of coding units coded in > - intra prediction mode. > - * - __u8 > - - ``pcm_sample_bit_depth_luma_minus1`` > - - This value plus 1 specifies the number of bits used to represent each of PCM sample > - values of the luma component. > - * - __u8 > - - ``pcm_sample_bit_depth_chroma_minus1`` > - - This value plus 1 specifies the number of bits used to represent each of PCM sample > - values of the chroma components. > - * - __u8 > - - ``log2_min_pcm_luma_coding_block_size_minus3`` > - - This value plus 3 specifies the minimum size of coding blocks. > - * - __u8 > - - ``log2_diff_max_min_pcm_luma_coding_block_size`` > - - Specifies the difference between the maximum and minimum size of coding blocks. > - * - __u8 > - - ``num_short_term_ref_pic_sets`` > - - Specifies the number of st_ref_pic_set() syntax structures included in the SPS. > - * - __u8 > - - ``num_long_term_ref_pics_sps`` > - - Specifies the number of candidate long-term reference pictures that are > - specified in the SPS. > - * - __u8 > - - ``chroma_format_idc`` > - - Specifies the chroma sampling. > - * - __u8 > - - ``sps_max_sub_layers_minus1`` > - - This value plus 1 specifies the maximum number of temporal sub-layers. > - * - __u64 > - - ``flags`` > - - See :ref:`Sequence Parameter Set Flags <hevc_sps_flags>` > - > -.. raw:: latex > - > - \normalsize > - > -.. _hevc_sps_flags: > - > -``Sequence Parameter Set Flags`` > - > -.. raw:: latex > - > - \small > - > -.. cssclass:: longtable > - > -.. flat-table:: > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - ``V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE`` > - - 0x00000001 > - - > - * - ``V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED`` > - - 0x00000002 > - - > - * - ``V4L2_HEVC_SPS_FLAG_AMP_ENABLED`` > - - 0x00000004 > - - > - * - ``V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET`` > - - 0x00000008 > - - > - * - ``V4L2_HEVC_SPS_FLAG_PCM_ENABLED`` > - - 0x00000010 > - - > - * - ``V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED`` > - - 0x00000020 > - - > - * - ``V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT`` > - - 0x00000040 > - - > - * - ``V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED`` > - - 0x00000080 > - - > - * - ``V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED`` > - - 0x00000100 > - - > - > -.. raw:: latex > - > - \normalsize > - > -``V4L2_CID_STATELESS_HEVC_PPS (struct)`` > - Specifies the Picture Parameter Set fields (as extracted from the > - bitstream) for the associated HEVC slice data. > - These bitstream parameters are defined according to :ref:`hevc`. > - They are described in section 7.4.3.3 "Picture parameter set RBSP > - semantics" of the specification. > - > -.. c:type:: v4l2_ctrl_hevc_pps > - > -.. tabularcolumns:: |p{1.2cm}|p{8.6cm}|p{7.5cm}| > - > -.. cssclass:: longtable > - > -.. flat-table:: struct v4l2_ctrl_hevc_pps > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - __u8 > - - ``pic_parameter_set_id`` > - - Identifies the PPS for reference by other syntax elements. > - * - __u8 > - - ``num_extra_slice_header_bits`` > - - Specifies the number of extra slice header bits that are present > - in the slice header RBSP for coded pictures referring to the PPS. > - * - __u8 > - - ``num_ref_idx_l0_default_active_minus1`` > - - This value plus 1 specifies the inferred value of num_ref_idx_l0_active_minus1 > - * - __u8 > - - ``num_ref_idx_l1_default_active_minus1`` > - - This value plus 1 specifies the inferred value of num_ref_idx_l1_active_minus1 > - * - __s8 > - - ``init_qp_minus26`` > - - This value plus 26 specifies the initial value of SliceQp Y for each slice > - referring to the PPS. > - * - __u8 > - - ``diff_cu_qp_delta_depth`` > - - Specifies the difference between the luma coding tree block size > - and the minimum luma coding block size of coding units that > - convey cu_qp_delta_abs and cu_qp_delta_sign_flag. > - * - __s8 > - - ``pps_cb_qp_offset`` > - - Specify the offsets to the luma quantization parameter Cb. > - * - __s8 > - - ``pps_cr_qp_offset`` > - - Specify the offsets to the luma quantization parameter Cr. > - * - __u8 > - - ``num_tile_columns_minus1`` > - - This value plus 1 specifies the number of tile columns partitioning the picture. > - * - __u8 > - - ``num_tile_rows_minus1`` > - - This value plus 1 specifies the number of tile rows partitioning the picture. > - * - __u8 > - - ``column_width_minus1[20]`` > - - Plus 1 specifies the width of each tile column in units of > - coding tree blocks. > - * - __u8 > - - ``row_height_minus1[22]`` > - - This value plus 1 specifies the height of each tile row in units of coding > - tree blocks. > - * - __s8 > - - ``pps_beta_offset_div2`` > - - Specify the default deblocking parameter offsets for beta divided by 2. > - * - __s8 > - - ``pps_tc_offset_div2`` > - - Specify the default deblocking parameter offsets for tC divided by 2. > - * - __u8 > - - ``log2_parallel_merge_level_minus2`` > - - Plus 2 specifies the value of the variable Log2ParMrgLevel. > - * - __u8 > - - ``padding[4]`` > - - Applications and drivers must set this to zero. > - * - __u64 > - - ``flags`` > - - See :ref:`Picture Parameter Set Flags <hevc_pps_flags>` > - > -.. _hevc_pps_flags: > - > -``Picture Parameter Set Flags`` > - > -.. raw:: latex > - > - \small > - > -.. flat-table:: > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED`` > - - 0x00000001 > - - > - * - ``V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT`` > - - 0x00000002 > - - > - * - ``V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED`` > - - 0x00000004 > - - > - * - ``V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT`` > - - 0x00000008 > - - > - * - ``V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED`` > - - 0x00000010 > - - > - * - ``V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED`` > - - 0x00000020 > - - > - * - ``V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED`` > - - 0x00000040 > - - > - * - ``V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT`` > - - 0x00000080 > - - > - * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED`` > - - 0x00000100 > - - > - * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED`` > - - 0x00000200 > - - > - * - ``V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED`` > - - 0x00000400 > - - > - * - ``V4L2_HEVC_PPS_FLAG_TILES_ENABLED`` > - - 0x00000800 > - - > - * - ``V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED`` > - - 0x00001000 > - - > - * - ``V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED`` > - - 0x00002000 > - - > - * - ``V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED`` > - - 0x00004000 > - - > - * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED`` > - - 0x00008000 > - - > - * - ``V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER`` > - - 0x00010000 > - - > - * - ``V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT`` > - - 0x00020000 > - - > - * - ``V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT`` > - - 0x00040000 > - - > - * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT`` > - - 0x00080000 > - - Specifies the presence of deblocking filter control syntax elements in > - the PPS > - * - ``V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING`` > - - 0x00100000 > - - Specifies that tile column boundaries and likewise tile row boundaries > - are distributed uniformly across the picture > - > -.. raw:: latex > - > - \normalsize > - > -``V4L2_CID_STATELESS_HEVC_SLICE_PARAMS (struct)`` > - Specifies various slice-specific parameters, especially from the NAL unit > - header, general slice segment header and weighted prediction parameter > - parts of the bitstream. > - These bitstream parameters are defined according to :ref:`hevc`. > - They are described in section 7.4.7 "General slice segment header > - semantics" of the specification. > - This control is a dynamically sized 1-dimensional array, > - V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it. > - > -.. c:type:: v4l2_ctrl_hevc_slice_params > - > -.. raw:: latex > - > - \scriptsize > - > -.. tabularcolumns:: |p{5.4cm}|p{6.8cm}|p{5.1cm}| > - > -.. cssclass:: longtable > - > -.. flat-table:: struct v4l2_ctrl_hevc_slice_params > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - __u32 > - - ``bit_size`` > - - Size (in bits) of the current slice data. > - * - __u32 > - - ``data_byte_offset`` > - - Offset (in bytes) to the video data in the current slice data. > - * - __u32 > - - ``num_entry_point_offsets`` > - - Specifies the number of entry point offset syntax elements in the slice header. > - * - __u8 > - - ``nal_unit_type`` > - - Specifies the coding type of the slice (B, P or I). > - * - __u8 > - - ``nuh_temporal_id_plus1`` > - - This value minus 1 specifies a temporal identifier for the NAL unit. > - * - __u8 > - - ``slice_type`` > - - > - (V4L2_HEVC_SLICE_TYPE_I, V4L2_HEVC_SLICE_TYPE_P or > - V4L2_HEVC_SLICE_TYPE_B). > - * - __u8 > - - ``colour_plane_id`` > - - Specifies the colour plane associated with the current slice. > - * - __s32 > - - ``slice_pic_order_cnt`` > - - Specifies the picture order count. > - * - __u8 > - - ``num_ref_idx_l0_active_minus1`` > - - This value plus 1 specifies the maximum reference index for > - reference picture list 0 that may be used to decode the slice. > - * - __u8 > - - ``num_ref_idx_l1_active_minus1`` > - - This value plus 1 specifies the maximum reference index for > - reference picture list 1 that may be used to decode the slice. > - * - __u8 > - - ``collocated_ref_idx`` > - - Specifies the reference index of the collocated picture used for > - temporal motion vector prediction. > - * - __u8 > - - ``five_minus_max_num_merge_cand`` > - - Specifies the maximum number of merging motion vector prediction > - candidates supported in the slice subtracted from 5. > - * - __s8 > - - ``slice_qp_delta`` > - - Specifies the initial value of QpY to be used for the coding blocks in the slice. > - * - __s8 > - - ``slice_cb_qp_offset`` > - - Specifies a difference to be added to the value of pps_cb_qp_offset. > - * - __s8 > - - ``slice_cr_qp_offset`` > - - Specifies a difference to be added to the value of pps_cr_qp_offset. > - * - __s8 > - - ``slice_act_y_qp_offset`` > - - screen content extension parameters > - * - __s8 > - - ``slice_act_cb_qp_offset`` > - - screen content extension parameters > - * - __s8 > - - ``slice_act_cr_qp_offset`` > - - screen content extension parameters > - * - __s8 > - - ``slice_beta_offset_div2`` > - - Specify the deblocking parameter offsets for beta divided by 2. > - * - __s8 > - - ``slice_tc_offset_div2`` > - - Specify the deblocking parameter offsets for tC divided by 2. > - * - __u8 > - - ``pic_struct`` > - - Indicates whether a picture should be displayed as a frame or as one or more fields. > - * - __u32 > - - ``slice_segment_addr`` > - - Specifies the address of the first coding tree block in the slice segment. > - * - __u8 > - - ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - The list of L0 reference elements as indices in the DPB. > - * - __u8 > - - ``ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - The list of L1 reference elements as indices in the DPB. > - * - __u16 > - - ``short_term_ref_pic_set_size`` > - - Specifies the size, in bits, of the short-term reference picture set, described as st_ref_pic_set() > - in the specification, included in the slice header or SPS (section 7.3.6.1). > - * - __u16 > - - ``long_term_ref_pic_set_size`` > - - Specifies the size, in bits, of the long-term reference picture set include in the slice header > - or SPS. It is the number of bits in the conditional block if(long_term_ref_pics_present_flag) > - in section 7.3.6.1 of the specification. > - * - __u8 > - - ``padding`` > - - Applications and drivers must set this to zero. > - * - struct :c:type:`v4l2_hevc_pred_weight_table` > - - ``pred_weight_table`` > - - The prediction weight coefficients for inter-picture prediction. > - * - __u64 > - - ``flags`` > - - See :ref:`Slice Parameters Flags <hevc_slice_params_flags>` > - > -.. raw:: latex > - > - \normalsize > - > -.. _hevc_slice_params_flags: > - > -``Slice Parameters Flags`` > - > -.. raw:: latex > - > - \scriptsize > - > -.. flat-table:: > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA`` > - - 0x00000001 > - - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA`` > - - 0x00000002 > - - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED`` > - - 0x00000004 > - - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO`` > - - 0x00000008 > - - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT`` > - - 0x00000010 > - - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0`` > - - 0x00000020 > - - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV`` > - - 0x00000040 > - - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED`` > - - 0x00000080 > - - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED`` > - - 0x00000100 > - - > - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT`` > - - 0x00000200 > - - > - > -.. raw:: latex > - > - \normalsize > - > -``V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (integer)`` > - Specifies entry point offsets in bytes. > - This control is a dynamically sized array. The number of entry point > - offsets is reported by the ``elems`` field. > - This bitstream parameter is defined according to :ref:`hevc`. > - They are described in section 7.4.7.1 "General slice segment header > - semantics" of the specification. > - > -``V4L2_CID_STATELESS_HEVC_SCALING_MATRIX (struct)`` > - Specifies the HEVC scaling matrix parameters used for the scaling process > - for transform coefficients. > - These matrix and parameters are defined according to :ref:`hevc`. > - They are described in section 7.4.5 "Scaling list data semantics" of > - the specification. > - > -.. c:type:: v4l2_ctrl_hevc_scaling_matrix > - > -.. raw:: latex > - > - \scriptsize > - > -.. tabularcolumns:: |p{5.4cm}|p{6.8cm}|p{5.1cm}| > - > -.. cssclass:: longtable > - > -.. flat-table:: struct v4l2_ctrl_hevc_scaling_matrix > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - __u8 > - - ``scaling_list_4x4[6][16]`` > - - Scaling list is used for the scaling process for transform > - coefficients. The values on each scaling list are expected > - in raster scan order. > - * - __u8 > - - ``scaling_list_8x8[6][64]`` > - - Scaling list is used for the scaling process for transform > - coefficients. The values on each scaling list are expected > - in raster scan order. > - * - __u8 > - - ``scaling_list_16x16[6][64]`` > - - Scaling list is used for the scaling process for transform > - coefficients. The values on each scaling list are expected > - in raster scan order. > - * - __u8 > - - ``scaling_list_32x32[2][64]`` > - - Scaling list is used for the scaling process for transform > - coefficients. The values on each scaling list are expected > - in raster scan order. > - * - __u8 > - - ``scaling_list_dc_coef_16x16[6]`` > - - Scaling list is used for the scaling process for transform > - coefficients. The values on each scaling list are expected > - in raster scan order. > - * - __u8 > - - ``scaling_list_dc_coef_32x32[2]`` > - - Scaling list is used for the scaling process for transform > - coefficients. The values on each scaling list are expected > - in raster scan order. > - > -.. raw:: latex > - > - \normalsize > - > -.. c:type:: v4l2_hevc_dpb_entry > - > -.. raw:: latex > - > - \small > - > -.. tabularcolumns:: |p{1.0cm}|p{4.2cm}|p{12.1cm}| > - > -.. flat-table:: struct v4l2_hevc_dpb_entry > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - __u64 > - - ``timestamp`` > - - Timestamp of the V4L2 capture buffer to use as reference, used > - with B-coded and P-coded frames. The timestamp refers to the > - ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the > - :c:func:`v4l2_timeval_to_ns()` function to convert the struct > - :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64. > - * - __u8 > - - ``flags`` > - - Long term flag for the reference frame > - (V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE). The flag is set as > - described in the ITU HEVC specification chapter "8.3.2 Decoding > - process for reference picture set". > - * - __u8 > - - ``field_pic`` > - - Whether the reference is a field picture or a frame. > - See :ref:`HEVC dpb field pic Flags <hevc_dpb_field_pic_flags>` > - * - __s32 > - - ``pic_order_cnt_val`` > - - The picture order count of the current picture. > - * - __u8 > - - ``padding[2]`` > - - Applications and drivers must set this to zero. > - > -.. raw:: latex > - > - \normalsize > - > -.. _hevc_dpb_field_pic_flags: > - > -``HEVC dpb field pic Flags`` > - > -.. raw:: latex > - > - \scriptsize > - > -.. flat-table:: > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME`` > - - 0 > - - (progressive) Frame > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD`` > - - 1 > - - Top field > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD`` > - - 2 > - - Bottom field > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM`` > - - 3 > - - Top field, bottom field, in that order > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP`` > - - 4 > - - Bottom field, top field, in that order > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP`` > - - 5 > - - Top field, bottom field, top field repeated, in that order > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM`` > - - 6 > - - Bottom field, top field, bottom field repeated, in that order > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING`` > - - 7 > - - Frame doubling > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING`` > - - 8 > - - Frame tripling > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM`` > - - 9 > - - Top field paired with previous bottom field in output order > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP`` > - - 10 > - - Bottom field paired with previous top field in output order > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM`` > - - 11 > - - Top field paired with next bottom field in output order > - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP`` > - - 12 > - - Bottom field paired with next top field in output order > - > -.. c:type:: v4l2_hevc_pred_weight_table > - > -.. raw:: latex > - > - \footnotesize > - > -.. tabularcolumns:: |p{0.8cm}|p{10.6cm}|p{5.9cm}| > - > -.. flat-table:: struct v4l2_hevc_pred_weight_table > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - __s8 > - - ``delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - The difference of the weighting factor applied to the luma > - prediction value for list 0. > - * - __s8 > - - ``luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - The additive offset applied to the luma prediction value for list 0. > - * - __s8 > - - ``delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` > - - The difference of the weighting factor applied to the chroma > - prediction value for list 0. > - * - __s8 > - - ``chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` > - - The difference of the additive offset applied to the chroma > - prediction values for list 0. > - * - __s8 > - - ``delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - The difference of the weighting factor applied to the luma > - prediction value for list 1. > - * - __s8 > - - ``luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - The additive offset applied to the luma prediction value for list 1. > - * - __s8 > - - ``delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` > - - The difference of the weighting factor applied to the chroma > - prediction value for list 1. > - * - __s8 > - - ``chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` > - - The difference of the additive offset applied to the chroma > - prediction values for list 1. > - * - __u8 > - - ``luma_log2_weight_denom`` > - - The base 2 logarithm of the denominator for all luma weighting > - factors. > - * - __s8 > - - ``delta_chroma_log2_weight_denom`` > - - The difference of the base 2 logarithm of the denominator for > - all chroma weighting factors. > - * - __u8 > - - ``padding[6]`` > - - Applications and drivers must set this to zero. > - > -.. raw:: latex > - > - \normalsize > - > -``V4L2_CID_STATELESS_HEVC_DECODE_MODE (enum)`` > - Specifies the decoding mode to use. Currently exposes slice-based and > - frame-based decoding but new modes might be added later on. > - This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE > - pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE > - are required to set this control in order to specify the decoding mode > - that is expected for the buffer. > - Drivers may expose a single or multiple decoding modes, depending > - on what they can support. > - > - .. note:: > - > - This menu control is not yet part of the public kernel API and > - it is expected to change. > - > -.. c:type:: v4l2_stateless_hevc_decode_mode > - > -.. raw:: latex > - > - \small > - > -.. tabularcolumns:: |p{9.4cm}|p{0.6cm}|p{7.3cm}| > - > -.. flat-table:: > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - ``V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED`` > - - 0 > - - Decoding is done at the slice granularity. > - The OUTPUT buffer must contain a single slice. > - * - ``V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED`` > - - 1 > - - Decoding is done at the frame granularity. > - The OUTPUT buffer must contain all slices needed to decode the > - frame. The OUTPUT buffer must also contain both fields. > - > -.. raw:: latex > - > - \normalsize > - > -``V4L2_CID_STATELESS_HEVC_START_CODE (enum)`` > - Specifies the HEVC slice start code expected for each slice. > - This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE > - pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE > - are required to set this control in order to specify the start code > - that is expected for the buffer. > - Drivers may expose a single or multiple start codes, depending > - on what they can support. > - > - .. note:: > - > - This menu control is not yet part of the public kernel API and > - it is expected to change. > - > -.. c:type:: v4l2_stateless_hevc_start_code > - > -.. tabularcolumns:: |p{9.2cm}|p{0.6cm}|p{7.5cm}| > - > -.. flat-table:: > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - ``V4L2_STATELESS_HEVC_START_CODE_NONE`` > - - 0 > - - Selecting this value specifies that HEVC slices are passed > - to the driver without any start code. The bitstream data should be > - according to :ref:`hevc` 7.3.1.1 General NAL unit syntax, hence > - contains emulation prevention bytes when required. > - * - ``V4L2_STATELESS_HEVC_START_CODE_ANNEX_B`` > - - 1 > - - Selecting this value specifies that HEVC slices are expected > - to be prefixed by Annex B start codes. According to :ref:`hevc` > - valid start codes can be 3-bytes 0x000001 or 4-bytes 0x00000001. > - > -``V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID (integer)`` > - Specifies a priority identifier for the NAL unit, which will be applied to > - the base layer. By default this value is set to 0 for the base layer, > - and the next layer will have the priority ID assigned as 1, 2, 3 and so on. > - The video encoder can't decide the priority id to be applied to a layer, > - so this has to come from client. > - This is applicable to H264 and valid Range is from 0 to 63. > - Source Rec. ITU-T H.264 (06/2019); G.7.4.1.1, G.8.8.1. > - > -``V4L2_CID_MPEG_VIDEO_LTR_COUNT (integer)`` > - Specifies the maximum number of Long Term Reference (LTR) frames at any > - given time that the encoder can keep. > - This is applicable to the H264 and HEVC encoders. > - > -``V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (integer)`` > - After setting this control the frame that will be queued next > - will be marked as a Long Term Reference (LTR) frame > - and given this LTR index which ranges from 0 to LTR_COUNT-1. > - This is applicable to the H264 and HEVC encoders. > - Source Rec. ITU-T H.264 (06/2019); Table 7.9 > - > -``V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (bitmask)`` > - Specifies the Long Term Reference (LTR) frame(s) to be used for > - encoding the next frame queued after setting this control. > - This provides a bitmask which consists of bits [0, LTR_COUNT-1]. > - This is applicable to the H264 and HEVC encoders. > - > -``V4L2_CID_STATELESS_HEVC_DECODE_PARAMS (struct)`` > - Specifies various decode parameters, especially the references picture order > - count (POC) for all the lists (short, long, before, current, after) and the > - number of entries for each of them. > - These parameters are defined according to :ref:`hevc`. > - They are described in section 8.3 "Slice decoding process" of the > - specification. > - > -.. c:type:: v4l2_ctrl_hevc_decode_params > - > -.. cssclass:: longtable > - > -.. flat-table:: struct v4l2_ctrl_hevc_decode_params > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - __s32 > - - ``pic_order_cnt_val`` > - - PicOrderCntVal as described in section 8.3.1 "Decoding process > - for picture order count" of the specification. > - * - __u16 > - - ``short_term_ref_pic_set_size`` > - - Specifies the size, in bits, of the short-term reference picture set, of the first slice > - described as st_ref_pic_set() in the specification, included in the slice header > - or SPS (section 7.3.6.1). > - * - __u16 > - - ``long_term_ref_pic_set_size`` > - - Specifies the size, in bits, of the long-term reference picture set, of the first slice > - included in the slice header or SPS. It is the number of bits in the conditional block > - if(long_term_ref_pics_present_flag) in section 7.3.6.1 of the specification. > - * - __u8 > - - ``num_active_dpb_entries`` > - - The number of entries in ``dpb``. > - * - __u8 > - - ``num_poc_st_curr_before`` > - - The number of reference pictures in the short-term set that come before > - the current frame. > - * - __u8 > - - ``num_poc_st_curr_after`` > - - The number of reference pictures in the short-term set that come after > - the current frame. > - * - __u8 > - - ``num_poc_lt_curr`` > - - The number of reference pictures in the long-term set. > - * - __u8 > - - ``poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - PocStCurrBefore as described in section 8.3.2 "Decoding process for reference > - picture set": provides the index of the short term before references in DPB array. > - * - __u8 > - - ``poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - PocStCurrAfter as described in section 8.3.2 "Decoding process for reference > - picture set": provides the index of the short term after references in DPB array. > - * - __u8 > - - ``poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - PocLtCurr as described in section 8.3.2 "Decoding process for reference > - picture set": provides the index of the long term references in DPB array. > - * - struct :c:type:`v4l2_hevc_dpb_entry` > - - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` > - - The decoded picture buffer, for meta-data about reference frames. > - * - __u64 > - - ``flags`` > - - See :ref:`Decode Parameters Flags <hevc_decode_params_flags>` > - > -.. _hevc_decode_params_flags: > - > -``Decode Parameters Flags`` > - > -.. cssclass:: longtable > - > -.. flat-table:: > - :header-rows: 0 > - :stub-columns: 0 > - :widths: 1 1 2 > - > - * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC`` > - - 0x00000001 > - - > - * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC`` > - - 0x00000002 > - - > - * - ``V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR`` > - - 0x00000004 > - - > diff --git a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst > index c352d91a73d8..506dd3c98884 100644 > --- a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst > +++ b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst > @@ -212,7 +212,7 @@ Compressed Formats > ``V4L2_CID_MPEG_VIDEO_HEVC_SPS``, > ``V4L2_CID_MPEG_VIDEO_HEVC_PPS``, and > ``V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS``. > - See the :ref:`associated Codec Control IDs <v4l2-mpeg-hevc>`. > + See the :ref:`associated Codec Control IDs <v4l2-codec-stateless-hevc>`. > Buffers associated with this pixel format must contain the appropriate > number of macroblocks to decode a full corresponding frame. > * .. _V4L2-PIX-FMT-FWHT: > diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst > index 29971a45a2d4..892cfeb8b988 100644 > --- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst > +++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst > @@ -249,6 +249,26 @@ still cause this situation. > - ``p_hdr10_mastering`` > - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_mastering_display`. Valid if this control is > of type ``V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY``. > + * - struct :c:type:`v4l2_ctrl_hevc_sps` * > + - ``p_hevc_sps`` > + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_sps`. Valid if this > + control is of type ``V4L2_CTRL_TYPE_HEVC_SPS``. > + * - struct :c:type:`v4l2_ctrl_hevc_pps` * > + - ``p_hevc_pps`` > + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_pps`. Valid if this > + control is of type ``V4L2_CTRL_TYPE_HEVC_PPS``. > + * - struct :c:type:`v4l2_ctrl_hevc_slice_params` * > + - ``p_hevc_slice_params`` > + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_slice_params`. Valid if this > + control is of type ``V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS``. > + * - struct :c:type:`v4l2_ctrl_hevc_scaling_matrix` * > + - ``p_hevc_scaling_matrix`` > + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_scaling_matrix`. Valid if this > + control is of type ``V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX``. > + * - struct :c:type:`v4l2_ctrl_hevc_decode_params` * > + - ``p_hevc_decode_params`` > + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_decode_params`. Valid if this > + control is of type ``V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS``. > * - void * > - ``ptr`` > - A pointer to a compound type which can be an N-dimensional array > diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h > deleted file mode 100644 > index c89029b3c5da..000000000000 > --- a/include/media/hevc-ctrls.h > +++ /dev/null > @@ -1,474 +0,0 @@ > -/* SPDX-License-Identifier: GPL-2.0 */ > -/* > - * These are the HEVC state controls for use with stateless HEVC > - * codec drivers. > - * > - * It turns out that these structs are not stable yet and will undergo > - * more changes. So keep them private until they are stable and ready to > - * become part of the official public API. > - */ > - > -#ifndef _HEVC_CTRLS_H_ > -#define _HEVC_CTRLS_H_ > - > -#include <linux/videodev2.h> > - > -#define V4L2_CID_STATELESS_HEVC_SPS (V4L2_CID_CODEC_BASE + 1008) > -#define V4L2_CID_STATELESS_HEVC_PPS (V4L2_CID_CODEC_BASE + 1009) > -#define V4L2_CID_STATELESS_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_BASE + 1010) > -#define V4L2_CID_STATELESS_HEVC_SCALING_MATRIX (V4L2_CID_CODEC_BASE + 1011) > -#define V4L2_CID_STATELESS_HEVC_DECODE_PARAMS (V4L2_CID_CODEC_BASE + 1012) > -#define V4L2_CID_STATELESS_HEVC_DECODE_MODE (V4L2_CID_CODEC_BASE + 1015) > -#define V4L2_CID_STATELESS_HEVC_START_CODE (V4L2_CID_CODEC_BASE + 1016) > -#define V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (V4L2_CID_CODEC_BASE + 1017) > - > -enum v4l2_stateless_hevc_decode_mode { > - V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED, > - V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED, > -}; > - > -enum v4l2_stateless_hevc_start_code { > - V4L2_STATELESS_HEVC_START_CODE_NONE, > - V4L2_STATELESS_HEVC_START_CODE_ANNEX_B, > -}; > - > -#define V4L2_HEVC_SLICE_TYPE_B 0 > -#define V4L2_HEVC_SLICE_TYPE_P 1 > -#define V4L2_HEVC_SLICE_TYPE_I 2 > - > -#define V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE (1ULL << 0) > -#define V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED (1ULL << 1) > -#define V4L2_HEVC_SPS_FLAG_AMP_ENABLED (1ULL << 2) > -#define V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET (1ULL << 3) > -#define V4L2_HEVC_SPS_FLAG_PCM_ENABLED (1ULL << 4) > -#define V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED (1ULL << 5) > -#define V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT (1ULL << 6) > -#define V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED (1ULL << 7) > -#define V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED (1ULL << 8) > - > -/** > - * struct v4l2_ctrl_hevc_sps - ITU-T Rec. H.265: Sequence parameter set > - * > - * @video_parameter_set_id: specifies the value of the > - * vps_video_parameter_set_id of the active VPS > - * @seq_parameter_set_id: provides an identifier for the SPS for > - * reference by other syntax elements > - * @pic_width_in_luma_samples: specifies the width of each decoded picture > - * in units of luma samples > - * @pic_height_in_luma_samples: specifies the height of each decoded picture > - * in units of luma samples > - * @bit_depth_luma_minus8: this value plus 8 specifies the bit depth of the > - * samples of the luma array > - * @bit_depth_chroma_minus8: this value plus 8 specifies the bit depth of the > - * samples of the chroma arrays > - * @log2_max_pic_order_cnt_lsb_minus4: this value plus 4 specifies the value > - * of the variable MaxPicOrderCntLsb > - * @sps_max_dec_pic_buffering_minus1: this value plus 1 specifies the maximum > - * required size of the decoded picture > - * buffer for the codec video sequence > - * @sps_max_num_reorder_pics: indicates the maximum allowed number of pictures > - * @sps_max_latency_increase_plus1: not equal to 0 is used to compute the > - * value of SpsMaxLatencyPictures array > - * @log2_min_luma_coding_block_size_minus3: this value plus 3 specifies the > - * minimum luma coding block size > - * @log2_diff_max_min_luma_coding_block_size: specifies the difference between > - * the maximum and minimum luma > - * coding block size > - * @log2_min_luma_transform_block_size_minus2: this value plus 2 specifies the > - * minimum luma transform block size > - * @log2_diff_max_min_luma_transform_block_size: specifies the difference between > - * the maximum and minimum luma > - * transform block size > - * @max_transform_hierarchy_depth_inter: specifies the maximum hierarchy > - * depth for transform units of > - * coding units coded in inter > - * prediction mode > - * @max_transform_hierarchy_depth_intra: specifies the maximum hierarchy > - * depth for transform units of > - * coding units coded in intra > - * prediction mode > - * @pcm_sample_bit_depth_luma_minus1: this value plus 1 specifies the number of > - * bits used to represent each of PCM sample > - * values of the luma component > - * @pcm_sample_bit_depth_chroma_minus1: this value plus 1 specifies the number > - * of bits used to represent each of PCM > - * sample values of the chroma components > - * @log2_min_pcm_luma_coding_block_size_minus3: this value plus 3 specifies the > - * minimum size of coding blocks > - * @log2_diff_max_min_pcm_luma_coding_block_size: specifies the difference between > - * the maximum and minimum size of > - * coding blocks > - * @num_short_term_ref_pic_sets: specifies the number of st_ref_pic_set() > - * syntax structures included in the SPS > - * @num_long_term_ref_pics_sps: specifies the number of candidate long-term > - * reference pictures that are specified in the SPS > - * @chroma_format_idc: specifies the chroma sampling > - * @sps_max_sub_layers_minus1: this value plus 1 specifies the maximum number > - * of temporal sub-layers > - * @reserved: padding field. Should be zeroed by applications. > - * @flags: see V4L2_HEVC_SPS_FLAG_{} > - */ > -struct v4l2_ctrl_hevc_sps { > - __u8 video_parameter_set_id; > - __u8 seq_parameter_set_id; > - __u16 pic_width_in_luma_samples; > - __u16 pic_height_in_luma_samples; > - __u8 bit_depth_luma_minus8; > - __u8 bit_depth_chroma_minus8; > - __u8 log2_max_pic_order_cnt_lsb_minus4; > - __u8 sps_max_dec_pic_buffering_minus1; > - __u8 sps_max_num_reorder_pics; > - __u8 sps_max_latency_increase_plus1; > - __u8 log2_min_luma_coding_block_size_minus3; > - __u8 log2_diff_max_min_luma_coding_block_size; > - __u8 log2_min_luma_transform_block_size_minus2; > - __u8 log2_diff_max_min_luma_transform_block_size; > - __u8 max_transform_hierarchy_depth_inter; > - __u8 max_transform_hierarchy_depth_intra; > - __u8 pcm_sample_bit_depth_luma_minus1; > - __u8 pcm_sample_bit_depth_chroma_minus1; > - __u8 log2_min_pcm_luma_coding_block_size_minus3; > - __u8 log2_diff_max_min_pcm_luma_coding_block_size; > - __u8 num_short_term_ref_pic_sets; > - __u8 num_long_term_ref_pics_sps; > - __u8 chroma_format_idc; > - __u8 sps_max_sub_layers_minus1; > - > - __u8 reserved[6]; > - __u64 flags; > -}; > - > -#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED (1ULL << 0) > -#define V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT (1ULL << 1) > -#define V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED (1ULL << 2) > -#define V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT (1ULL << 3) > -#define V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED (1ULL << 4) > -#define V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED (1ULL << 5) > -#define V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED (1ULL << 6) > -#define V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT (1ULL << 7) > -#define V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED (1ULL << 8) > -#define V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED (1ULL << 9) > -#define V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED (1ULL << 10) > -#define V4L2_HEVC_PPS_FLAG_TILES_ENABLED (1ULL << 11) > -#define V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED (1ULL << 12) > -#define V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED (1ULL << 13) > -#define V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 14) > -#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED (1ULL << 15) > -#define V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER (1ULL << 16) > -#define V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT (1ULL << 17) > -#define V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT (1ULL << 18) > -#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT (1ULL << 19) > -#define V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING (1ULL << 20) > - > -/** > - * struct v4l2_ctrl_hevc_pps - ITU-T Rec. H.265: Picture parameter set > - * > - * @pic_parameter_set_id: identifies the PPS for reference by other > - * syntax elements > - * @num_extra_slice_header_bits: specifies the number of extra slice header > - * bits that are present in the slice header RBSP > - * for coded pictures referring to the PPS. > - * @num_ref_idx_l0_default_active_minus1: this value plus 1 specifies the inferred > - * value of num_ref_idx_l0_active_minus1 > - * @num_ref_idx_l1_default_active_minus1: this value plus 1 specifies the inferred > - * value of num_ref_idx_l1_active_minus1 > - * @init_qp_minus26: this value plus 26 specifies the initial value of SliceQp Y > - * for each slice referring to the PPS > - * @diff_cu_qp_delta_depth: specifies the difference between the luma coding > - * tree block size and the minimum luma coding block > - * size of coding units that convey cu_qp_delta_abs > - * and cu_qp_delta_sign_flag > - * @pps_cb_qp_offset: specify the offsets to the luma quantization parameter Cb > - * @pps_cr_qp_offset: specify the offsets to the luma quantization parameter Cr > - * @num_tile_columns_minus1: this value plus 1 specifies the number of tile columns > - * partitioning the picture > - * @num_tile_rows_minus1: this value plus 1 specifies the number of tile rows > - * partitioning the picture > - * @column_width_minus1: this value plus 1 specifies the width of each tile column > - * in units of coding tree blocks > - * @row_height_minus1: this value plus 1 specifies the height of each tile row in > - * units of coding tree blocks > - * @pps_beta_offset_div2: specify the default deblocking parameter offsets for > - * beta divided by 2 > - * @pps_tc_offset_div2: specify the default deblocking parameter offsets for tC > - * divided by 2 > - * @log2_parallel_merge_level_minus2: this value plus 2 specifies the value of > - * the variable Log2ParMrgLevel > - * @reserved: padding field. Should be zeroed by applications. > - * @flags: see V4L2_HEVC_PPS_FLAG_{} > - */ > -struct v4l2_ctrl_hevc_pps { > - __u8 pic_parameter_set_id; > - __u8 num_extra_slice_header_bits; > - __u8 num_ref_idx_l0_default_active_minus1; > - __u8 num_ref_idx_l1_default_active_minus1; > - __s8 init_qp_minus26; > - __u8 diff_cu_qp_delta_depth; > - __s8 pps_cb_qp_offset; > - __s8 pps_cr_qp_offset; > - __u8 num_tile_columns_minus1; > - __u8 num_tile_rows_minus1; > - __u8 column_width_minus1[20]; > - __u8 row_height_minus1[22]; > - __s8 pps_beta_offset_div2; > - __s8 pps_tc_offset_div2; > - __u8 log2_parallel_merge_level_minus2; > - __u8 reserved; > - __u64 flags; > -}; > - > -#define V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE 0x01 > - > -#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME 0 > -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD 1 > -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD 2 > -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM 3 > -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP 4 > -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP 5 > -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM 6 > -#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING 7 > -#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING 8 > -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM 9 > -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP 10 > -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM 11 > -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP 12 > - > -#define V4L2_HEVC_DPB_ENTRIES_NUM_MAX 16 > - > -/** > - * struct v4l2_hevc_dpb_entry - HEVC decoded picture buffer entry > - * > - * @timestamp: timestamp of the V4L2 capture buffer to use as reference. > - * @flags: long term flag for the reference frame > - * @field_pic: whether the reference is a field picture or a frame. > - * @reserved: padding field. Should be zeroed by applications. > - * @pic_order_cnt_val: the picture order count of the reference. > - */ > -struct v4l2_hevc_dpb_entry { > - __u64 timestamp; > - __u8 flags; > - __u8 field_pic; > - __u16 reserved; > - __s32 pic_order_cnt_val; > -}; > - > -/** > - * struct v4l2_hevc_pred_weight_table - HEVC weighted prediction parameters > - * > - * @delta_luma_weight_l0: the difference of the weighting factor applied > - * to the luma prediction value for list 0 > - * @luma_offset_l0: the additive offset applied to the luma prediction value > - * for list 0 > - * @delta_chroma_weight_l0: the difference of the weighting factor applied > - * to the chroma prediction values for list 0 > - * @chroma_offset_l0: the difference of the additive offset applied to > - * the chroma prediction values for list 0 > - * @delta_luma_weight_l1: the difference of the weighting factor applied > - * to the luma prediction value for list 1 > - * @luma_offset_l1: the additive offset applied to the luma prediction value > - * for list 1 > - * @delta_chroma_weight_l1: the difference of the weighting factor applied > - * to the chroma prediction values for list 1 > - * @chroma_offset_l1: the difference of the additive offset applied to > - * the chroma prediction values for list 1 > - * @luma_log2_weight_denom: the base 2 logarithm of the denominator for > - * all luma weighting factors > - * @delta_chroma_log2_weight_denom: the difference of the base 2 logarithm > - * of the denominator for all chroma > - * weighting factors > - */ > -struct v4l2_hevc_pred_weight_table { > - __s8 delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __s8 luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __s8 delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; > - __s8 chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; > - > - __s8 delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __s8 luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __s8 delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; > - __s8 chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; > - > - __u8 luma_log2_weight_denom; > - __s8 delta_chroma_log2_weight_denom; > -}; > - > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA (1ULL << 0) > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA (1ULL << 1) > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED (1ULL << 2) > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO (1ULL << 3) > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT (1ULL << 4) > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0 (1ULL << 5) > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV (1ULL << 6) > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED (1ULL << 7) > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 8) > -#define V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT (1ULL << 9) > - > -/** > - * struct v4l2_ctrl_hevc_slice_params - HEVC slice parameters > - * > - * This control is a dynamically sized 1-dimensional array, > - * V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it. > - * > - * @bit_size: size (in bits) of the current slice data > - * @data_byte_offset: offset (in bytes) to the video data in the current slice data > - * @num_entry_point_offsets: specifies the number of entry point offset syntax > - * elements in the slice header. > - * @nal_unit_type: specifies the coding type of the slice (B, P or I) > - * @nuh_temporal_id_plus1: minus 1 specifies a temporal identifier for the NAL unit > - * @slice_type: see V4L2_HEVC_SLICE_TYPE_{} > - * @colour_plane_id: specifies the colour plane associated with the current slice > - * @slice_pic_order_cnt: specifies the picture order count > - * @num_ref_idx_l0_active_minus1: this value plus 1 specifies the maximum reference > - * index for reference picture list 0 that may be > - * used to decode the slice > - * @num_ref_idx_l1_active_minus1: this value plus 1 specifies the maximum reference > - * index for reference picture list 1 that may be > - * used to decode the slice > - * @collocated_ref_idx: specifies the reference index of the collocated picture used > - * for temporal motion vector prediction > - * @five_minus_max_num_merge_cand: specifies the maximum number of merging > - * motion vector prediction candidates supported in > - * the slice subtracted from 5 > - * @slice_qp_delta: specifies the initial value of QpY to be used for the coding > - * blocks in the slice > - * @slice_cb_qp_offset: specifies a difference to be added to the value of pps_cb_qp_offset > - * @slice_cr_qp_offset: specifies a difference to be added to the value of pps_cr_qp_offset > - * @slice_act_y_qp_offset: screen content extension parameters > - * @slice_act_cb_qp_offset: screen content extension parameters > - * @slice_act_cr_qp_offset: screen content extension parameters > - * @slice_beta_offset_div2: specify the deblocking parameter offsets for beta divided by 2 > - * @slice_tc_offset_div2: specify the deblocking parameter offsets for tC divided by 2 > - * @pic_struct: indicates whether a picture should be displayed as a frame or as one or > - * more fields > - * @reserved0: padding field. Should be zeroed by applications. > - * @slice_segment_addr: specifies the address of the first coding tree block in > - * the slice segment > - * @ref_idx_l0: the list of L0 reference elements as indices in the DPB > - * @ref_idx_l1: the list of L1 reference elements as indices in the DPB > - * @short_term_ref_pic_set_size: specifies the size of short-term reference > - * pictures included in the SPS > - * @long_term_ref_pic_set_size: specifies the size of long-term reference > - * picture include in the SPS > - * @pred_weight_table: the prediction weight coefficients for inter-picture > - * prediction > - * @reserved1: padding field. Should be zeroed by applications. > - * @flags: see V4L2_HEVC_SLICE_PARAMS_FLAG_{} > - */ > -struct v4l2_ctrl_hevc_slice_params { > - __u32 bit_size; > - __u32 data_byte_offset; > - __u32 num_entry_point_offsets; > - /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */ > - __u8 nal_unit_type; > - __u8 nuh_temporal_id_plus1; > - > - /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ > - __u8 slice_type; > - __u8 colour_plane_id; > - __s32 slice_pic_order_cnt; > - __u8 num_ref_idx_l0_active_minus1; > - __u8 num_ref_idx_l1_active_minus1; > - __u8 collocated_ref_idx; > - __u8 five_minus_max_num_merge_cand; > - __s8 slice_qp_delta; > - __s8 slice_cb_qp_offset; > - __s8 slice_cr_qp_offset; > - __s8 slice_act_y_qp_offset; > - __s8 slice_act_cb_qp_offset; > - __s8 slice_act_cr_qp_offset; > - __s8 slice_beta_offset_div2; > - __s8 slice_tc_offset_div2; > - > - /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */ > - __u8 pic_struct; > - > - __u8 reserved0[3]; > - /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ > - __u32 slice_segment_addr; > - __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __u16 short_term_ref_pic_set_size; > - __u16 long_term_ref_pic_set_size; > - > - /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ > - struct v4l2_hevc_pred_weight_table pred_weight_table; > - > - __u8 reserved1[2]; > - __u64 flags; > -}; > - > -#define V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC 0x1 > -#define V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC 0x2 > -#define V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR 0x4 > - > -/** > - * struct v4l2_ctrl_hevc_decode_params - HEVC decode parameters > - * > - * @pic_order_cnt_val: picture order count > - * @short_term_ref_pic_set_size: specifies the size of short-term reference > - * pictures set included in the SPS of the first slice > - * @long_term_ref_pic_set_size: specifies the size of long-term reference > - * pictures set include in the SPS of the first slice > - * @num_active_dpb_entries: the number of entries in dpb > - * @num_poc_st_curr_before: the number of reference pictures in the short-term > - * set that come before the current frame > - * @num_poc_st_curr_after: the number of reference pictures in the short-term > - * set that come after the current frame > - * @num_poc_lt_curr: the number of reference pictures in the long-term set > - * @poc_st_curr_before: provides the index of the short term before references > - * in DPB array > - * @poc_st_curr_after: provides the index of the short term after references > - * in DPB array > - * @poc_lt_curr: provides the index of the long term references in DPB array > - * @reserved: padding field. Should be zeroed by applications. > - * @dpb: the decoded picture buffer, for meta-data about reference frames > - * @flags: see V4L2_HEVC_DECODE_PARAM_FLAG_{} > - */ > -struct v4l2_ctrl_hevc_decode_params { > - __s32 pic_order_cnt_val; > - __u16 short_term_ref_pic_set_size; > - __u16 long_term_ref_pic_set_size; > - __u8 num_active_dpb_entries; > - __u8 num_poc_st_curr_before; > - __u8 num_poc_st_curr_after; > - __u8 num_poc_lt_curr; > - __u8 poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __u8 poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __u8 poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __u8 reserved[4]; > - struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > - __u64 flags; > -}; > - > -/** > - * struct v4l2_ctrl_hevc_scaling_matrix - HEVC scaling lists parameters > - * > - * @scaling_list_4x4: scaling list is used for the scaling process for > - * transform coefficients. The values on each scaling > - * list are expected in raster scan order > - * @scaling_list_8x8: scaling list is used for the scaling process for > - * transform coefficients. The values on each scaling > - * list are expected in raster scan order > - * @scaling_list_16x16: scaling list is used for the scaling process for > - * transform coefficients. The values on each scaling > - * list are expected in raster scan order > - * @scaling_list_32x32: scaling list is used for the scaling process for > - * transform coefficients. The values on each scaling > - * list are expected in raster scan order > - * @scaling_list_dc_coef_16x16: scaling list is used for the scaling process > - * for transform coefficients. The values on each > - * scaling list are expected in raster scan order. > - * @scaling_list_dc_coef_32x32: scaling list is used for the scaling process > - * for transform coefficients. The values on each > - * scaling list are expected in raster scan order. > - */ > -struct v4l2_ctrl_hevc_scaling_matrix { > - __u8 scaling_list_4x4[6][16]; > - __u8 scaling_list_8x8[6][64]; > - __u8 scaling_list_16x16[6][64]; > - __u8 scaling_list_32x32[2][64]; > - __u8 scaling_list_dc_coef_16x16[6]; > - __u8 scaling_list_dc_coef_32x32[2]; > -}; > - > -#endif > diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h > index f4105de8a8d2..00828a4f9404 100644 > --- a/include/media/v4l2-ctrls.h > +++ b/include/media/v4l2-ctrls.h > @@ -13,12 +13,6 @@ > #include <linux/videodev2.h> > #include <media/media-request.h> > > -/* > - * Include the stateless codec compound control definitions. > - * This will move to the public headers once this API is fully stable. > - */ > -#include <media/hevc-ctrls.h> > - > /* forward references */ > struct file; > struct poll_table_struct; > diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h > index dfff69ed88f7..5f46bf4a570c 100644 > --- a/include/uapi/linux/v4l2-controls.h > +++ b/include/uapi/linux/v4l2-controls.h > @@ -1997,6 +1997,465 @@ struct v4l2_ctrl_mpeg2_quantisation { > __u8 chroma_non_intra_quantiser_matrix[64]; > }; > > +#define V4L2_CID_STATELESS_HEVC_SPS (V4L2_CID_CODEC_STATELESS_BASE + 400) > +#define V4L2_CID_STATELESS_HEVC_PPS (V4L2_CID_CODEC_STATELESS_BASE + 401) > +#define V4L2_CID_STATELESS_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_STATELESS_BASE + 402) > +#define V4L2_CID_STATELESS_HEVC_SCALING_MATRIX (V4L2_CID_CODEC_STATELESS_BASE + 403) > +#define V4L2_CID_STATELESS_HEVC_DECODE_PARAMS (V4L2_CID_CODEC_STATELESS_BASE + 404) > +#define V4L2_CID_STATELESS_HEVC_DECODE_MODE (V4L2_CID_CODEC_STATELESS_BASE + 405) > +#define V4L2_CID_STATELESS_HEVC_START_CODE (V4L2_CID_CODEC_STATELESS_BASE + 406) > +#define V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (V4L2_CID_CODEC_STATELESS_BASE + 407) > + > +enum v4l2_stateless_hevc_decode_mode { > + V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED, > + V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED, > +}; > + > +enum v4l2_stateless_hevc_start_code { > + V4L2_STATELESS_HEVC_START_CODE_NONE, > + V4L2_STATELESS_HEVC_START_CODE_ANNEX_B, > +}; > + > +#define V4L2_HEVC_SLICE_TYPE_B 0 > +#define V4L2_HEVC_SLICE_TYPE_P 1 > +#define V4L2_HEVC_SLICE_TYPE_I 2 > + > +#define V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE (1ULL << 0) > +#define V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED (1ULL << 1) > +#define V4L2_HEVC_SPS_FLAG_AMP_ENABLED (1ULL << 2) > +#define V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET (1ULL << 3) > +#define V4L2_HEVC_SPS_FLAG_PCM_ENABLED (1ULL << 4) > +#define V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED (1ULL << 5) > +#define V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT (1ULL << 6) > +#define V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED (1ULL << 7) > +#define V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED (1ULL << 8) > + > +/** > + * struct v4l2_ctrl_hevc_sps - ITU-T Rec. H.265: Sequence parameter set > + * > + * @video_parameter_set_id: specifies the value of the > + * vps_video_parameter_set_id of the active VPS > + * @seq_parameter_set_id: provides an identifier for the SPS for > + * reference by other syntax elements > + * @pic_width_in_luma_samples: specifies the width of each decoded picture > + * in units of luma samples > + * @pic_height_in_luma_samples: specifies the height of each decoded picture > + * in units of luma samples > + * @bit_depth_luma_minus8: this value plus 8specifies the bit depth of the > + * samples of the luma array > + * @bit_depth_chroma_minus8: this value plus 8 specifies the bit depth of the > + * samples of the chroma arrays > + * @log2_max_pic_order_cnt_lsb_minus4: this value plus 4 specifies the value of > + * the variable MaxPicOrderCntLsb > + * @sps_max_dec_pic_buffering_minus1: this value plus 1 specifies the maximum > + * required size of the decoded picture > + * buffer for the codec video sequence > + * @sps_max_num_reorder_pics: indicates the maximum allowed number of pictures > + * @sps_max_latency_increase_plus1: not equal to 0 is used to compute the > + * value of SpsMaxLatencyPictures array > + * @log2_min_luma_coding_block_size_minus3: plus 3 specifies the minimum > + * luma coding block size > + * @log2_diff_max_min_luma_coding_block_size: specifies the difference between > + * the maximum and minimum luma > + * coding block size > + * @log2_min_luma_transform_block_size_minus2: plus 2 specifies the minimum luma > + * transform block size > + * @log2_diff_max_min_luma_transform_block_size: specifies the difference between > + * the maximum and minimum luma > + * transform block size > + * @max_transform_hierarchy_depth_inter: specifies the maximum hierarchy > + * depth for transform units of > + * coding units coded in inter > + * prediction mode > + * @max_transform_hierarchy_depth_intra: specifies the maximum hierarchy > + * depth for transform units of > + * coding units coded in intra > + * prediction mode > + * @pcm_sample_bit_depth_luma_minus1: this value plus 1 specifies the number of > + * bits used to represent each of PCM sample > + * values of the luma component > + * @pcm_sample_bit_depth_chroma_minus1: this value plus 1 specifies the number > + * of bits used to represent each of PCM > + * sample values of the chroma components > + * @log2_min_pcm_luma_coding_block_size_minus3: this value plus 3 specifies the > + * minimum size of coding blocks > + * @log2_diff_max_min_pcm_luma_coding_block_size: specifies the difference between > + * the maximum and minimum size of > + * coding blocks > + * @num_short_term_ref_pic_sets: specifies the number of st_ref_pic_set() > + * syntax structures included in the SPS > + * @num_long_term_ref_pics_sps: specifies the number of candidate long-term > + * reference pictures that are specified in the SPS > + * @chroma_format_idc: specifies the chroma sampling > + * @sps_max_sub_layers_minus1: this value plus 1 specifies the maximum number > + * of temporal sub-layers > + * @reserved: padding field. Should be zeroed by applications. > + * @flags: see V4L2_HEVC_SPS_FLAG_{} > + */ > +struct v4l2_ctrl_hevc_sps { > + __u8 video_parameter_set_id; > + __u8 seq_parameter_set_id; > + __u16 pic_width_in_luma_samples; > + __u16 pic_height_in_luma_samples; > + __u8 bit_depth_luma_minus8; > + __u8 bit_depth_chroma_minus8; > + __u8 log2_max_pic_order_cnt_lsb_minus4; > + __u8 sps_max_dec_pic_buffering_minus1; > + __u8 sps_max_num_reorder_pics; > + __u8 sps_max_latency_increase_plus1; > + __u8 log2_min_luma_coding_block_size_minus3; > + __u8 log2_diff_max_min_luma_coding_block_size; > + __u8 log2_min_luma_transform_block_size_minus2; > + __u8 log2_diff_max_min_luma_transform_block_size; > + __u8 max_transform_hierarchy_depth_inter; > + __u8 max_transform_hierarchy_depth_intra; > + __u8 pcm_sample_bit_depth_luma_minus1; > + __u8 pcm_sample_bit_depth_chroma_minus1; > + __u8 log2_min_pcm_luma_coding_block_size_minus3; > + __u8 log2_diff_max_min_pcm_luma_coding_block_size; > + __u8 num_short_term_ref_pic_sets; > + __u8 num_long_term_ref_pics_sps; > + __u8 chroma_format_idc; > + __u8 sps_max_sub_layers_minus1; > + > + __u8 reserved[6]; > + __u64 flags; > +}; > + > +#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED (1ULL << 0) > +#define V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT (1ULL << 1) > +#define V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED (1ULL << 2) > +#define V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT (1ULL << 3) > +#define V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED (1ULL << 4) > +#define V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED (1ULL << 5) > +#define V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED (1ULL << 6) > +#define V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT (1ULL << 7) > +#define V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED (1ULL << 8) > +#define V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED (1ULL << 9) > +#define V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED (1ULL << 10) > +#define V4L2_HEVC_PPS_FLAG_TILES_ENABLED (1ULL << 11) > +#define V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED (1ULL << 12) > +#define V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED (1ULL << 13) > +#define V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 14) > +#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED (1ULL << 15) > +#define V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER (1ULL << 16) > +#define V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT (1ULL << 17) > +#define V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT (1ULL << 18) > +#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT (1ULL << 19) > +#define V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING (1ULL << 20) > + > +/** > + * struct v4l2_ctrl_hevc_pps - ITU-T Rec. H.265: Picture parameter set > + * > + * @pic_parameter_set_id: identifies the PPS for reference by other > + * syntax elements > + * @num_extra_slice_header_bits: specifies the number of extra slice header > + * bits that are present in the slice header RBSP > + * for coded pictures referring to the PPS. > + * @num_ref_idx_l0_default_active_minus1: this value plus 1 specifies the > + * inferred value of num_ref_idx_l0_active_minus1 > + * @num_ref_idx_l1_default_active_minus1: this value plus 1 specifies the > + * inferred value of num_ref_idx_l1_active_minus1 > + * @init_qp_minus26: this value plus 26 specifies the initial value of SliceQp Y for > + * each slice referring to the PPS > + * @diff_cu_qp_delta_depth: specifies the difference between the luma coding > + * tree block size and the minimum luma coding block > + * size of coding units that convey cu_qp_delta_abs > + * and cu_qp_delta_sign_flag > + * @pps_cb_qp_offset: specify the offsets to the luma quantization parameter Cb > + * @pps_cr_qp_offset: specify the offsets to the luma quantization parameter Cr > + * @num_tile_columns_minus1: this value plus 1 specifies the number of tile columns > + * partitioning the picture > + * @num_tile_rows_minus1: this value plus 1 specifies the number of tile rows partitioning > + * the picture > + * @column_width_minus1: this value plus 1 specifies the width of the each tile column in > + * units of coding tree blocks > + * @row_height_minus1: this value plus 1 specifies the height of the each tile row in > + * units of coding tree blocks > + * @pps_beta_offset_div2: specify the default deblocking parameter offsets for > + * beta divided by 2 > + * @pps_tc_offset_div2: specify the default deblocking parameter offsets for tC > + * divided by 2 > + * @log2_parallel_merge_level_minus2: this value plus 2 specifies the value of > + * the variable Log2ParMrgLevel > + * @reserved: padding field. Should be zeroed by applications. > + * @flags: see V4L2_HEVC_PPS_FLAG_{} > + */ > +struct v4l2_ctrl_hevc_pps { > + __u8 pic_parameter_set_id; > + __u8 num_extra_slice_header_bits; > + __u8 num_ref_idx_l0_default_active_minus1; > + __u8 num_ref_idx_l1_default_active_minus1; > + __s8 init_qp_minus26; > + __u8 diff_cu_qp_delta_depth; > + __s8 pps_cb_qp_offset; > + __s8 pps_cr_qp_offset; > + __u8 num_tile_columns_minus1; > + __u8 num_tile_rows_minus1; > + __u8 column_width_minus1[20]; > + __u8 row_height_minus1[22]; > + __s8 pps_beta_offset_div2; > + __s8 pps_tc_offset_div2; > + __u8 log2_parallel_merge_level_minus2; > + __u8 reserved; > + __u64 flags; > +}; > + > +#define V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE 0x01 > + > +#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME 0 > +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD 1 > +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD 2 > +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM 3 > +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP 4 > +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP 5 > +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM 6 > +#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING 7 > +#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING 8 > +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM 9 > +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP 10 > +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM 11 > +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP 12 > + > +#define V4L2_HEVC_DPB_ENTRIES_NUM_MAX 16 > + > +/** > + * struct v4l2_hevc_dpb_entry - HEVC decoded picture buffer entry > + * > + * @timestamp: timestamp of the V4L2 capture buffer to use as reference. > + * @flags: long term flag for the reference frame > + * @field_pic: whether the reference is a field picture or a frame. > + * @reserved: padding field. Should be zeroed by applications. > + * @pic_order_cnt_val: the picture order count of the current picture. > + */ > +struct v4l2_hevc_dpb_entry { > + __u64 timestamp; > + __u8 flags; > + __u8 field_pic; > + __u16 reserved; > + __s32 pic_order_cnt_val; > +}; > + > +/** > + * struct v4l2_hevc_pred_weight_table - HEVC weighted prediction parameters > + * > + * @delta_luma_weight_l0: the difference of the weighting factor applied > + * to the luma prediction value for list 0 > + * @luma_offset_l0: the additive offset applied to the luma prediction value > + * for list 0 > + * @delta_chroma_weight_l0: the difference of the weighting factor applied > + * to the chroma prediction values for list 0 > + * @chroma_offset_l0: the difference of the additive offset applied to > + * the chroma prediction values for list 0 > + * @delta_luma_weight_l1: the difference of the weighting factor applied > + * to the luma prediction value for list 1 > + * @luma_offset_l1: the additive offset applied to the luma prediction value > + * for list 1 > + * @delta_chroma_weight_l1: the difference of the weighting factor applied > + * to the chroma prediction values for list 1 > + * @chroma_offset_l1: the difference of the additive offset applied to > + * the chroma prediction values for list 1 > + * @luma_log2_weight_denom: the base 2 logarithm of the denominator for > + * all luma weighting factors > + * @delta_chroma_log2_weight_denom: the difference of the base 2 logarithm > + * of the denominator for all chroma > + * weighting factors > + */ > +struct v4l2_hevc_pred_weight_table { > + __s8 delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __s8 luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __s8 delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; > + __s8 chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; > + > + __s8 delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __s8 luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __s8 delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; > + __s8 chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; > + > + __u8 luma_log2_weight_denom; > + __s8 delta_chroma_log2_weight_denom; > +}; > + > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA (1ULL << 0) > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA (1ULL << 1) > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED (1ULL << 2) > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO (1ULL << 3) > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT (1ULL << 4) > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0 (1ULL << 5) > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV (1ULL << 6) > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED (1ULL << 7) > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 8) > +#define V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT (1ULL << 9) > + > +/** > + * struct v4l2_ctrl_hevc_slice_params - HEVC slice parameters > + * > + * This control is a dynamically sized 1-dimensional array, > + * V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it. > + * > + * @bit_size: size (in bits) of the current slice data > + * @data_byte_offset: offset (in bytes) to the video data in the current slice data > + * @num_entry_point_offsets: specifies the number of entry point offset syntax > + * elements in the slice header. > + * @nal_unit_type: specifies the coding type of the slice (B, P or I) > + * @nuh_temporal_id_plus1: minus 1 specifies a temporal identifier for the NAL unit > + * @slice_type: see V4L2_HEVC_SLICE_TYPE_{} > + * @colour_plane_id: specifies the colour plane associated with the current slice > + * @slice_pic_order_cnt: specifies the picture order count > + * @num_ref_idx_l0_active_minus1: this value plus 1 specifies the maximum > + * reference index for reference picture list 0 > + * that may be used to decode the slice > + * @num_ref_idx_l1_active_minus1: this value plus 1 specifies the maximum > + * reference index for reference picture list 1 > + * that may be used to decode the slice > + * @collocated_ref_idx: specifies the reference index of the collocated picture used > + * for temporal motion vector prediction > + * @five_minus_max_num_merge_cand: specifies the maximum number of merging > + * motion vector prediction candidates supported in > + * the slice subtracted from 5 > + * @slice_qp_delta: specifies the initial value of QpY to be used for the coding > + * blocks in the slice > + * @slice_cb_qp_offset: specifies a difference to be added to the value of pps_cb_qp_offset > + * @slice_cr_qp_offset: specifies a difference to be added to the value of pps_cr_qp_offset > + * @slice_act_y_qp_offset: screen content extension parameters > + * @slice_act_cb_qp_offset: screen content extension parameters > + * @slice_act_cr_qp_offset: screen content extension parameters > + * @slice_beta_offset_div2: specify the deblocking parameter offsets for beta divided by 2 > + * @slice_tc_offset_div2: specify the deblocking parameter offsets for tC divided by 2 > + * @pic_struct: indicates whether a picture should be displayed as a frame or as one or > + * more fields > + * @reserved0: padding field. Should be zeroed by applications. > + * @slice_segment_addr: specifies the address of the first coding tree block in > + * the slice segment > + * @ref_idx_l0: the list of L0 reference elements as indices in the DPB > + * @ref_idx_l1: the list of L1 reference elements as indices in the DPB > + * @short_term_ref_pic_set_size: specifies the size of short-term reference > + * pictures set included in the SPS > + * @long_term_ref_pic_set_size: specifies the size of long-term reference > + * pictures set include in the SPS > + * @pred_weight_table: the prediction weight coefficients for inter-picture > + * prediction > + * @reserved1: padding field. Should be zeroed by applications. > + * @flags: see V4L2_HEVC_SLICE_PARAMS_FLAG_{} > + */ > +struct v4l2_ctrl_hevc_slice_params { > + __u32 bit_size; > + __u32 data_byte_offset; > + __u32 num_entry_point_offsets; > + > + /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */ > + __u8 nal_unit_type; > + __u8 nuh_temporal_id_plus1; > + > + /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ > + __u8 slice_type; > + __u8 colour_plane_id; > + __s32 slice_pic_order_cnt; > + __u8 num_ref_idx_l0_active_minus1; > + __u8 num_ref_idx_l1_active_minus1; > + __u8 collocated_ref_idx; > + __u8 five_minus_max_num_merge_cand; > + __s8 slice_qp_delta; > + __s8 slice_cb_qp_offset; > + __s8 slice_cr_qp_offset; > + __s8 slice_act_y_qp_offset; > + __s8 slice_act_cb_qp_offset; > + __s8 slice_act_cr_qp_offset; > + __s8 slice_beta_offset_div2; > + __s8 slice_tc_offset_div2; > + > + /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */ > + __u8 pic_struct; > + > + __u8 reserved0[3]; > + /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ > + __u32 slice_segment_addr; > + __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __u16 short_term_ref_pic_set_size; > + __u16 long_term_ref_pic_set_size; > + > + /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ > + struct v4l2_hevc_pred_weight_table pred_weight_table; > + > + __u8 reserved1[2]; > + __u64 flags; > +}; > + > +#define V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC 0x1 > +#define V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC 0x2 > +#define V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR 0x4 > + > +/** > + * struct v4l2_ctrl_hevc_decode_params - HEVC decode parameters > + * > + * @pic_order_cnt_val: picture order count > + * @short_term_ref_pic_set_size: specifies the size of short-term reference > + * pictures set included in the SPS of the first slice > + * @long_term_ref_pic_set_size: specifies the size of long-term reference > + * pictures set include in the SPS of the first slice > + * @num_active_dpb_entries: the number of entries in dpb > + * @num_poc_st_curr_before: the number of reference pictures in the short-term > + * set that come before the current frame > + * @num_poc_st_curr_after: the number of reference pictures in the short-term > + * set that come after the current frame > + * @num_poc_lt_curr: the number of reference pictures in the long-term set > + * @poc_st_curr_before: provides the index of the short term before references > + * in DPB array > + * @poc_st_curr_after: provides the index of the short term after references > + * in DPB array > + * @poc_lt_curr: provides the index of the long term references in DPB array > + * @reserved: padding field. Should be zeroed by applications. > + * @dpb: the decoded picture buffer, for meta-data about reference frames > + * @flags: see V4L2_HEVC_DECODE_PARAM_FLAG_{} > + */ > +struct v4l2_ctrl_hevc_decode_params { > + __s32 pic_order_cnt_val; > + __u16 short_term_ref_pic_set_size; > + __u16 long_term_ref_pic_set_size; > + __u8 num_active_dpb_entries; > + __u8 num_poc_st_curr_before; > + __u8 num_poc_st_curr_after; > + __u8 num_poc_lt_curr; > + __u8 poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __u8 poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __u8 poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __u8 reserved[4]; > + struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; > + __u64 flags; > +}; > + > +/** > + * struct v4l2_ctrl_hevc_scaling_matrix - HEVC scaling lists parameters > + * > + * @scaling_list_4x4: scaling list is used for the scaling process for > + * transform coefficients. The values on each scaling > + * list are expected in raster scan order > + * @scaling_list_8x8: scaling list is used for the scaling process for > + * transform coefficients. The values on each scaling > + * list are expected in raster scan order > + * @scaling_list_16x16: scaling list is used for the scaling process for > + * transform coefficients. The values on each scaling > + * list are expected in raster scan order > + * @scaling_list_32x32: scaling list is used for the scaling process for > + * transform coefficients. The values on each scaling > + * list are expected in raster scan order > + * @scaling_list_dc_coef_16x16: scaling list is used for the scaling process > + * for transform coefficients. The values on each > + * scaling list are expected in raster scan order. > + * @scaling_list_dc_coef_32x32: scaling list is used for the scaling process > + * for transform coefficients. The values on each > + * scaling list are expected in raster scan order. > + */ > +struct v4l2_ctrl_hevc_scaling_matrix { > + __u8 scaling_list_4x4[6][16]; > + __u8 scaling_list_8x8[6][64]; > + __u8 scaling_list_16x16[6][64]; > + __u8 scaling_list_32x32[2][64]; > + __u8 scaling_list_dc_coef_16x16[6]; > + __u8 scaling_list_dc_coef_32x32[2]; > +}; > + > #define V4L2_CID_COLORIMETRY_CLASS_BASE (V4L2_CTRL_CLASS_COLORIMETRY | 0x900) > #define V4L2_CID_COLORIMETRY_CLASS (V4L2_CTRL_CLASS_COLORIMETRY | 1) > > diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h > index e0d19a6b5bc7..5a73b92ffe4d 100644 > --- a/include/uapi/linux/videodev2.h > +++ b/include/uapi/linux/videodev2.h > @@ -1769,6 +1769,11 @@ struct v4l2_ext_control { > struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; > struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs; > struct v4l2_ctrl_vp9_frame __user *p_vp9_frame; > + struct v4l2_ctrl_hevc_sps __user *p_hevc_sps; > + struct v4l2_ctrl_hevc_pps __user *p_hevc_pps; > + struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params; > + struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix; > + struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params; > void __user *ptr; > }; > } __attribute__ ((packed)); > -- > 2.32.0 >
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst index bee73065e993..38bb6339ff17 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst @@ -2048,3 +2048,900 @@ This structure contains all loop filter related parameters. See sections - 0x2 - When set, the bitstream contains additional syntax elements that specify which mode and reference frame deltas are to be updated. + +.. _v4l2-codec-stateless-hevc: + +``V4L2_CID_STATELESS_HEVC_SPS (struct)`` + Specifies the Sequence Parameter Set fields (as extracted from the + bitstream) for the associated HEVC slice data. + These bitstream parameters are defined according to :ref:`hevc`. + They are described in section 7.4.3.2 "Sequence parameter set RBSP + semantics" of the specification. + +.. c:type:: v4l2_ctrl_hevc_sps + +.. raw:: latex + + \small + +.. tabularcolumns:: |p{1.2cm}|p{9.2cm}|p{6.9cm}| + +.. cssclass:: longtable + +.. flat-table:: struct v4l2_ctrl_hevc_sps + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __u8 + - ``video_parameter_set_id`` + - Specifies the value of the vps_video_parameter_set_id of the active VPS + as described in section "7.4.3.2.1 General sequence parameter set RBSP semantics" + of H.265 specifications. + * - __u8 + - ``seq_parameter_set_id`` + - Provides an identifier for the SPS for reference by other syntax elements + as described in section "7.4.3.2.1 General sequence parameter set RBSP semantics" + of H.265 specifications. + * - __u16 + - ``pic_width_in_luma_samples`` + - Specifies the width of each decoded picture in units of luma samples. + * - __u16 + - ``pic_height_in_luma_samples`` + - Specifies the height of each decoded picture in units of luma samples. + * - __u8 + - ``bit_depth_luma_minus8`` + - This value plus 8 specifies the bit depth of the samples of the luma array. + * - __u8 + - ``bit_depth_chroma_minus8`` + - This value plus 8 specifies the bit depth of the samples of the chroma arrays. + * - __u8 + - ``log2_max_pic_order_cnt_lsb_minus4`` + - Specifies the value of the variable MaxPicOrderCntLsb. + * - __u8 + - ``sps_max_dec_pic_buffering_minus1`` + - This value plus 1 specifies the maximum required size of the decoded picture buffer for + the coded video sequence (CVS). + * - __u8 + - ``sps_max_num_reorder_pics`` + - Indicates the maximum allowed number of pictures. + * - __u8 + - ``sps_max_latency_increase_plus1`` + - Used to signal MaxLatencyPictures, which indicates the maximum number of + pictures that can precede any picture in output order and follow that + picture in decoding order. + * - __u8 + - ``log2_min_luma_coding_block_size_minus3`` + - This value plus 3 specifies the minimum luma coding block size. + * - __u8 + - ``log2_diff_max_min_luma_coding_block_size`` + - Specifies the difference between the maximum and minimum luma coding block size. + * - __u8 + - ``log2_min_luma_transform_block_size_minus2`` + - This value plus 2 specifies the minimum luma transform block size. + * - __u8 + - ``log2_diff_max_min_luma_transform_block_size`` + - Specifies the difference between the maximum and minimum luma transform block size. + * - __u8 + - ``max_transform_hierarchy_depth_inter`` + - Specifies the maximum hierarchy depth for transform units of coding units coded + in inter prediction mode. + * - __u8 + - ``max_transform_hierarchy_depth_intra`` + - Specifies the maximum hierarchy depth for transform units of coding units coded in + intra prediction mode. + * - __u8 + - ``pcm_sample_bit_depth_luma_minus1`` + - This value plus 1 specifies the number of bits used to represent each of PCM sample values of the + luma component. + * - __u8 + - ``pcm_sample_bit_depth_chroma_minus1`` + - Specifies the number of bits used to represent each of PCM sample values of + the chroma components. + * - __u8 + - ``log2_min_pcm_luma_coding_block_size_minus3`` + - Plus 3 specifies the minimum size of coding blocks. + * - __u8 + - ``log2_diff_max_min_pcm_luma_coding_block_size`` + - Specifies the difference between the maximum and minimum size of coding blocks. + * - __u8 + - ``num_short_term_ref_pic_sets`` + - Specifies the number of st_ref_pic_set() syntax structures included in the SPS. + * - __u8 + - ``num_long_term_ref_pics_sps`` + - Specifies the number of candidate long-term reference pictures that are + specified in the SPS. + * - __u8 + - ``chroma_format_idc`` + - Specifies the chroma sampling. + * - __u8 + - ``sps_max_sub_layers_minus1`` + - This value plus 1 specifies the maximum number of temporal sub-layers. + * - __u64 + - ``flags`` + - See :ref:`Sequence Parameter Set Flags <hevc_sps_flags>` + +.. raw:: latex + + \normalsize + +.. _hevc_sps_flags: + +``Sequence Parameter Set Flags`` + +.. raw:: latex + + \small + +.. cssclass:: longtable + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE`` + - 0x00000001 + - + * - ``V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED`` + - 0x00000002 + - + * - ``V4L2_HEVC_SPS_FLAG_AMP_ENABLED`` + - 0x00000004 + - + * - ``V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET`` + - 0x00000008 + - + * - ``V4L2_HEVC_SPS_FLAG_PCM_ENABLED`` + - 0x00000010 + - + * - ``V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED`` + - 0x00000020 + - + * - ``V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT`` + - 0x00000040 + - + * - ``V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED`` + - 0x00000080 + - + * - ``V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED`` + - 0x00000100 + - + +.. raw:: latex + + \normalsize + +``V4L2_CID_STATELESS_HEVC_PPS (struct)`` + Specifies the Picture Parameter Set fields (as extracted from the + bitstream) for the associated HEVC slice data. + These bitstream parameters are defined according to :ref:`hevc`. + They are described in section 7.4.3.3 "Picture parameter set RBSP + semantics" of the specification. + +.. c:type:: v4l2_ctrl_hevc_pps + +.. tabularcolumns:: |p{1.2cm}|p{8.6cm}|p{7.5cm}| + +.. cssclass:: longtable + +.. flat-table:: struct v4l2_ctrl_hevc_pps + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __u8 + - ``pic_parameter_set_id`` + - Identifies the PPS for reference by other syntax elements. + * - __u8 + - ``num_extra_slice_header_bits`` + - Specifies the number of extra slice header bits that are present + in the slice header RBSP for coded pictures referring to the PPS. + * - __u8 + - ``num_ref_idx_l0_default_active_minus1`` + - This value plus 1 specifies the inferred value of num_ref_idx_l0_active_minus1 + * - __u8 + - ``num_ref_idx_l1_default_active_minus1`` + - This value plus 1 specifies the inferred value of num_ref_idx_l1_active_minus1 + * - __s8 + - ``init_qp_minus26`` + - This value plus 26 specifies the initial value of SliceQp Y for each slice + referring to the PPS. + * - __u8 + - ``diff_cu_qp_delta_depth`` + - Specifies the difference between the luma coding tree block size + and the minimum luma coding block size of coding units that + convey cu_qp_delta_abs and cu_qp_delta_sign_flag. + * - __s8 + - ``pps_cb_qp_offset`` + - Specify the offsets to the luma quantization parameter Cb. + * - __s8 + - ``pps_cr_qp_offset`` + - Specify the offsets to the luma quantization parameter Cr. + * - __u8 + - ``num_tile_columns_minus1`` + - This value plus 1 specifies the number of tile columns partitioning the picture. + * - __u8 + - ``num_tile_rows_minus1`` + - This value plus 1 specifies the number of tile rows partitioning the picture. + * - __u8 + - ``column_width_minus1[20]`` + - This value plus 1 specifies the width of the i-th tile column in units of + coding tree blocks. + * - __u8 + - ``row_height_minus1[22]`` + - This value plus 1 specifies the height of the i-th tile row in units of coding + tree blocks. + * - __s8 + - ``pps_beta_offset_div2`` + - Specify the default deblocking parameter offsets for beta divided by 2. + * - __s8 + - ``pps_tc_offset_div2`` + - Specify the default deblocking parameter offsets for tC divided by 2. + * - __u8 + - ``log2_parallel_merge_level_minus2`` + - This value plus 2 specifies the value of the variable Log2ParMrgLevel. + * - __u8 + - ``padding[4]`` + - Applications and drivers must set this to zero. + * - __u64 + - ``flags`` + - See :ref:`Picture Parameter Set Flags <hevc_pps_flags>` + +.. _hevc_pps_flags: + +``Picture Parameter Set Flags`` + +.. raw:: latex + + \small + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED`` + - 0x00000001 + - + * - ``V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT`` + - 0x00000002 + - + * - ``V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED`` + - 0x00000004 + - + * - ``V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT`` + - 0x00000008 + - + * - ``V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED`` + - 0x00000010 + - + * - ``V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED`` + - 0x00000020 + - + * - ``V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED`` + - 0x00000040 + - + * - ``V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT`` + - 0x00000080 + - + * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED`` + - 0x00000100 + - + * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED`` + - 0x00000200 + - + * - ``V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED`` + - 0x00000400 + - + * - ``V4L2_HEVC_PPS_FLAG_TILES_ENABLED`` + - 0x00000800 + - + * - ``V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED`` + - 0x00001000 + - + * - ``V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED`` + - 0x00002000 + - + * - ``V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED`` + - 0x00004000 + - + * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED`` + - 0x00008000 + - + * - ``V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER`` + - 0x00010000 + - + * - ``V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT`` + - 0x00020000 + - + * - ``V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT`` + - 0x00040000 + - + * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT`` + - 0x00080000 + - Specifies the presence of deblocking filter control syntax elements in + the PPS + * - ``V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING`` + - 0x00100000 + - Specifies that tile column boundaries and likewise tile row boundaries + are distributed uniformly across the picture + +.. raw:: latex + + \normalsize + +``V4L2_CID_STATELESS_HEVC_SLICE_PARAMS (struct)`` + Specifies various slice-specific parameters, especially from the NAL unit + header, general slice segment header and weighted prediction parameter + parts of the bitstream. + These bitstream parameters are defined according to :ref:`hevc`. + They are described in section 7.4.7 "General slice segment header + semantics" of the specification. + This control is a dynamically sized 1-dimensional array, + V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it. + +.. c:type:: v4l2_ctrl_hevc_slice_params + +.. raw:: latex + + \scriptsize + +.. tabularcolumns:: |p{5.4cm}|p{6.8cm}|p{5.1cm}| + +.. cssclass:: longtable + +.. flat-table:: struct v4l2_ctrl_hevc_slice_params + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __u32 + - ``bit_size`` + - Size (in bits) of the current slice data. + * - __u32 + - ``data_byte_offset`` + - Offset (in byte) to the video data in the current slice data. + * - __u32 + - ``num_entry_point_offsets`` + - Specifies the number of entry point offset syntax elements in the slice header. + * - __u8 + - ``nal_unit_type`` + - Specifies the coding type of the slice (B, P or I). + * - __u8 + - ``nuh_temporal_id_plus1`` + - Minus 1 specifies a temporal identifier for the NAL unit. + * - __u8 + - ``slice_type`` + - + (V4L2_HEVC_SLICE_TYPE_I, V4L2_HEVC_SLICE_TYPE_P or + V4L2_HEVC_SLICE_TYPE_B). + * - __u8 + - ``colour_plane_id`` + - Specifies the colour plane associated with the current slice. + * - __s32 + - ``slice_pic_order_cnt`` + - Specifies the picture order count. + * - __u8 + - ``num_ref_idx_l0_active_minus1`` + - This value plus 1 specifies the maximum reference index for reference picture list 0 + that may be used to decode the slice. + * - __u8 + - ``num_ref_idx_l1_active_minus1`` + - This value plus 1 specifies the maximum reference index for reference picture list 1 + that may be used to decode the slice. + * - __u8 + - ``collocated_ref_idx`` + - Specifies the reference index of the collocated picture used for + temporal motion vector prediction. + * - __u8 + - ``five_minus_max_num_merge_cand`` + - Specifies the maximum number of merging motion vector prediction + candidates supported in the slice subtracted from 5. + * - __s8 + - ``slice_qp_delta`` + - Specifies the initial value of QpY to be used for the coding blocks in the slice. + * - __s8 + - ``slice_cb_qp_offset`` + - Specifies a difference to be added to the value of pps_cb_qp_offset. + * - __s8 + - ``slice_cr_qp_offset`` + - Specifies a difference to be added to the value of pps_cr_qp_offset. + * - __s8 + - ``slice_act_y_qp_offset`` + - Specifies the offset to the luma of quantization parameter qP derived in section 8.6.2 + * - __s8 + - ``slice_act_cb_qp_offset`` + - Specifies the offset to the cb of quantization parameter qP derived in section 8.6.2 + * - __s8 + - ``slice_act_cr_qp_offset`` + - Specifies the offset to the cr of quantization parameter qP derived in section 8.6.2 + * - __s8 + - ``slice_beta_offset_div2`` + - Specify the deblocking parameter offsets for beta divided by 2. + * - __s8 + - ``slice_tc_offset_div2`` + - Specify the deblocking parameter offsets for tC divided by 2. + * - __u8 + - ``pic_struct`` + - Indicates whether a picture should be displayed as a frame or as one or more fields. + * - __u32 + - ``slice_segment_addr`` + - Specifies the address of the first coding tree block in the slice segment. + * - __u8 + - ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - The list of L0 reference elements as indices in the DPB. + * - __u8 + - ``ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - The list of L1 reference elements as indices in the DPB. + * - __u16 + - ``short_term_ref_pic_set_size`` + - Specifies the size, in bits, of the short-term reference picture set, described as st_ref_pic_set() + in the specification, included in the slice header or SPS (section 7.3.6.1). + * - __u16 + - ``long_term_ref_pic_set_size`` + - Specifies the size, in bits, of the long-term reference picture set include in the slice header + or SPS. It is the number of bits in the conditional block if(long_term_ref_pics_present_flag) + in section 7.3.6.1 of the specification. + * - __u8 + - ``padding`` + - Applications and drivers must set this to zero. + * - struct :c:type:`v4l2_hevc_pred_weight_table` + - ``pred_weight_table`` + - The prediction weight coefficients for inter-picture prediction. + * - __u64 + - ``flags`` + - See :ref:`Slice Parameters Flags <hevc_slice_params_flags>` + +.. raw:: latex + + \normalsize + +.. _hevc_slice_params_flags: + +``Slice Parameters Flags`` + +.. raw:: latex + + \scriptsize + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA`` + - 0x00000001 + - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA`` + - 0x00000002 + - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED`` + - 0x00000004 + - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO`` + - 0x00000008 + - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT`` + - 0x00000010 + - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0`` + - 0x00000020 + - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV`` + - 0x00000040 + - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED`` + - 0x00000080 + - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED`` + - 0x00000100 + - + * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT`` + - 0x00000200 + - + +.. raw:: latex + + \normalsize + +``V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (integer)`` + Specifies entry point offsets in bytes. + This control is a dynamically sized array. The number of entry point + offsets is reported by the ``elems`` field. + This bitstream parameter is defined according to :ref:`hevc`. + They are described in section 7.4.7.1 "General slice segment header + semantics" of the specification. + +``V4L2_CID_STATELESS_HEVC_SCALING_MATRIX (struct)`` + Specifies the HEVC scaling matrix parameters used for the scaling process + for transform coefficients. + These matrix and parameters are defined according to :ref:`hevc`. + They are described in section 7.4.5 "Scaling list data semantics" of + the specification. + +.. c:type:: v4l2_ctrl_hevc_scaling_matrix + +.. raw:: latex + + \scriptsize + +.. tabularcolumns:: |p{5.4cm}|p{6.8cm}|p{5.1cm}| + +.. cssclass:: longtable + +.. flat-table:: struct v4l2_ctrl_hevc_scaling_matrix + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __u8 + - ``scaling_list_4x4[6][16]`` + - Scaling list is used for the scaling process for transform + coefficients. The values on each scaling list are expected + in raster scan order. + * - __u8 + - ``scaling_list_8x8[6][64]`` + - Scaling list is used for the scaling process for transform + coefficients. The values on each scaling list are expected + in raster scan order. + * - __u8 + - ``scaling_list_16x16[6][64]`` + - Scaling list is used for the scaling process for transform + coefficients. The values on each scaling list are expected + in raster scan order. + * - __u8 + - ``scaling_list_32x32[2][64]`` + - Scaling list is used for the scaling process for transform + coefficients. The values on each scaling list are expected + in raster scan order. + * - __u8 + - ``scaling_list_dc_coef_16x16[6]`` + - Scaling list is used for the scaling process for transform + coefficients. The values on each scaling list are expected + in raster scan order. + * - __u8 + - ``scaling_list_dc_coef_32x32[2]`` + - Scaling list is used for the scaling process for transform + coefficients. The values on each scaling list are expected + in raster scan order. + +.. raw:: latex + + \normalsize + +.. c:type:: v4l2_hevc_dpb_entry + +.. raw:: latex + + \small + +.. tabularcolumns:: |p{1.0cm}|p{4.2cm}|p{12.1cm}| + +.. flat-table:: struct v4l2_hevc_dpb_entry + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __u64 + - ``timestamp`` + - Timestamp of the V4L2 capture buffer to use as reference, used + with B-coded and P-coded frames. The timestamp refers to the + ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the + :c:func:`v4l2_timeval_to_ns()` function to convert the struct + :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64. + * - __u8 + - ``flags`` + - Long term flag for the reference frame + (V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE). The flag is set as + described in the ITU HEVC specification chapter "8.3.2 Decoding + process for reference picture set". + * - __u8 + - ``field_pic`` + - Whether the reference is a field picture or a frame. + See :ref:`HEVC dpb field pic Flags <hevc_dpb_field_pic_flags>` + * - __s32 + - ``pic_order_cnt_val`` + - The picture order count of the current picture. + * - __u8 + - ``padding[2]`` + - Applications and drivers must set this to zero. + +.. raw:: latex + + \normalsize + +.. _hevc_dpb_field_pic_flags: + +``HEVC dpb field pic Flags`` + +.. raw:: latex + + \scriptsize + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME`` + - 0 + - (progressive) Frame + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD`` + - 1 + - Top field + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD`` + - 2 + - Bottom field + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM`` + - 3 + - Top field, bottom field, in that order + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP`` + - 4 + - Bottom field, top field, in that order + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP`` + - 5 + - Top field, bottom field, top field repeated, in that order + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM`` + - 6 + - Bottom field, top field, bottom field repeated, in that order + * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING`` + - 7 + - Frame doubling + * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING`` + - 8 + - Frame tripling + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM`` + - 9 + - Top field paired with previous bottom field in output order + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP`` + - 10 + - Bottom field paired with previous top field in output order + * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM`` + - 11 + - Top field paired with next bottom field in output order + * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP`` + - 12 + - Bottom field paired with next top field in output order + +.. c:type:: v4l2_hevc_pred_weight_table + +.. raw:: latex + + \footnotesize + +.. tabularcolumns:: |p{0.8cm}|p{10.6cm}|p{5.9cm}| + +.. flat-table:: struct v4l2_hevc_pred_weight_table + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __s8 + - ``delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - The difference of the weighting factor applied to the luma + prediction value for list 0. + * - __s8 + - ``luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - The additive offset applied to the luma prediction value for list 0. + * - __s8 + - ``delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` + - The difference of the weighting factor applied to the chroma + prediction value for list 0. + * - __s8 + - ``chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` + - The difference of the additive offset applied to the chroma + prediction values for list 0. + * - __s8 + - ``delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - The difference of the weighting factor applied to the luma + prediction value for list 1. + * - __s8 + - ``luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - The additive offset applied to the luma prediction value for list 1. + * - __s8 + - ``delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` + - The difference of the weighting factor applied to the chroma + prediction value for list 1. + * - __s8 + - ``chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` + - The difference of the additive offset applied to the chroma + prediction values for list 1. + * - __u8 + - ``luma_log2_weight_denom`` + - The base 2 logarithm of the denominator for all luma weighting + factors. + * - __s8 + - ``delta_chroma_log2_weight_denom`` + - The difference of the base 2 logarithm of the denominator for + all chroma weighting factors. + * - __u8 + - ``padding[6]`` + - Applications and drivers must set this to zero. + +.. raw:: latex + + \normalsize + +``V4L2_CID_STATELESS_HEVC_DECODE_MODE (enum)`` + Specifies the decoding mode to use. Currently exposes slice-based and + frame-based decoding but new modes might be added later on. + This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE + pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE + are required to set this control in order to specify the decoding mode + that is expected for the buffer. + Drivers may expose a single or multiple decoding modes, depending + on what they can support. + +.. c:type:: v4l2_stateless_hevc_decode_mode + +.. raw:: latex + + \small + +.. tabularcolumns:: |p{9.4cm}|p{0.6cm}|p{7.3cm}| + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED`` + - 0 + - Decoding is done at the slice granularity. + The OUTPUT buffer must contain a single slice. + * - ``V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED`` + - 1 + - Decoding is done at the frame granularity. + The OUTPUT buffer must contain all slices needed to decode the + frame. + +.. raw:: latex + + \normalsize + +``V4L2_CID_STATELESS_HEVC_START_CODE (enum)`` + Specifies the HEVC slice start code expected for each slice. + This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE + pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE + are required to set this control in order to specify the start code + that is expected for the buffer. + Drivers may expose a single or multiple start codes, depending + on what they can support. + +.. c:type:: v4l2_stateless_hevc_start_code + +.. tabularcolumns:: |p{9.2cm}|p{0.6cm}|p{7.5cm}| + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_STATELESS_HEVC_START_CODE_NONE`` + - 0 + - Selecting this value specifies that HEVC slices are passed + to the driver without any start code. The bitstream data should be + according to :ref:`hevc` 7.3.1.1 General NAL unit syntax, hence + contains emulation prevention bytes when required. + * - ``V4L2_STATELESS_HEVC_START_CODE_ANNEX_B`` + - 1 + - Selecting this value specifies that HEVC slices are expected + to be prefixed by Annex B start codes. According to :ref:`hevc` + valid start codes can be 3-bytes 0x000001 or 4-bytes 0x00000001. + +.. raw:: latex + + \normalsize + +``V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID (integer)`` + Specifies a priority identifier for the NAL unit, which will be applied to + the base layer. By default this value is set to 0 for the base layer, + and the next layer will have the priority ID assigned as 1, 2, 3 and so on. + The video encoder can't decide the priority id to be applied to a layer, + so this has to come from client. + This is applicable to H264 and valid Range is from 0 to 63. + Source Rec. ITU-T H.264 (06/2019); G.7.4.1.1, G.8.8.1. + +``V4L2_CID_MPEG_VIDEO_LTR_COUNT (integer)`` + Specifies the maximum number of Long Term Reference (LTR) frames at any + given time that the encoder can keep. + This is applicable to the H264 and HEVC encoders. + +``V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (integer)`` + After setting this control the frame that will be queued next + will be marked as a Long Term Reference (LTR) frame + and given this LTR index which ranges from 0 to LTR_COUNT-1. + This is applicable to the H264 and HEVC encoders. + Source Rec. ITU-T H.264 (06/2019); Table 7.9 + +``V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (bitmask)`` + Specifies the Long Term Reference (LTR) frame(s) to be used for + encoding the next frame queued after setting this control. + This provides a bitmask which consists of bits [0, LTR_COUNT-1]. + This is applicable to the H264 and HEVC encoders. + +``V4L2_CID_STATELESS_HEVC_DECODE_PARAMS (struct)`` + Specifies various decode parameters, especially the references picture order + count (POC) for all the lists (short, long, before, current, after) and the + number of entries for each of them. + These parameters are defined according to :ref:`hevc`. + They are described in section 8.3 "Slice decoding process" of the + specification. + +.. c:type:: v4l2_ctrl_hevc_decode_params + +.. cssclass:: longtable + +.. flat-table:: struct v4l2_ctrl_hevc_decode_params + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __s32 + - ``pic_order_cnt_val`` + - PicOrderCntVal as described in section 8.3.1 "Decoding process + for picture order count" of the specification. + * - __u16 + - ``short_term_ref_pic_set_size`` + - Specifies the size, in bits, of the short-term reference picture set, of the first slice + described as st_ref_pic_set() in the specification, included in the slice header + or SPS (section 7.3.6.1). + * - __u16 + - ``long_term_ref_pic_set_size`` + - Specifies the size, in bits, of the long-term reference picture set, of the first slice + included in the slice header or SPS. It is the number of bits in the conditional block + if(long_term_ref_pics_present_flag) in section 7.3.6.1 of the specification. + * - __u8 + - ``num_active_dpb_entries`` + - The number of entries in ``dpb``. + * - __u8 + - ``num_poc_st_curr_before`` + - The number of reference pictures in the short-term set that come before + the current frame. + * - __u8 + - ``num_poc_st_curr_after`` + - The number of reference pictures in the short-term set that come after + the current frame. + * - __u8 + - ``num_poc_lt_curr`` + - The number of reference pictures in the long-term set. + * - __u8 + - ``poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - PocStCurrBefore as described in section 8.3.2 "Decoding process for reference + picture set": provides the index of the short term before references in DPB array. + * - __u8 + - ``poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - PocStCurrAfter as described in section 8.3.2 "Decoding process for reference + picture set": provides the index of the short term after references in DPB array. + * - __u8 + - ``poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - PocLtCurr as described in section 8.3.2 "Decoding process for reference + picture set": provides the index of the long term references in DPB array. + * - struct :c:type:`v4l2_hevc_dpb_entry` + - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` + - The decoded picture buffer, for meta-data about reference frames. + * - __u64 + - ``flags`` + - See :ref:`Decode Parameters Flags <hevc_decode_params_flags>` + +.. _hevc_decode_params_flags: + +``Decode Parameters Flags`` + +.. cssclass:: longtable + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC`` + - 0x00000001 + - + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC`` + - 0x00000002 + - + * - ``V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR`` + - 0x00000004 + - diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index af5cb4e4ef73..2a165ae063fb 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -2658,904 +2658,3 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - Indicates whether to generate SPS and PPS at every IDR. Setting it to 0 disables generating SPS and PPS at every IDR. Setting it to one enables generating SPS and PPS at every IDR. - -.. _v4l2-mpeg-hevc: - -``V4L2_CID_STATELESS_HEVC_SPS (struct)`` - Specifies the Sequence Parameter Set fields (as extracted from the - bitstream) for the associated HEVC slice data. - These bitstream parameters are defined according to :ref:`hevc`. - They are described in section 7.4.3.2 "Sequence parameter set RBSP - semantics" of the specification. - -.. c:type:: v4l2_ctrl_hevc_sps - -.. raw:: latex - - \small - -.. tabularcolumns:: |p{1.2cm}|p{9.2cm}|p{6.9cm}| - -.. cssclass:: longtable - -.. flat-table:: struct v4l2_ctrl_hevc_sps - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __u8 - - ``video_parameter_set_id`` - - Specifies the value of the vps_video_parameter_set_id of the active VPS - as described in section "7.4.3.2.1 General sequence parameter set RBSP semantics" - of H.265 specifications. - * - __u8 - - ``seq_parameter_set_id`` - - Provides an identifier for the SPS for reference by other syntax elements - as described in section "7.4.3.2.1 General sequence parameter set RBSP semantics" - of H.265 specifications. - * - __u16 - - ``pic_width_in_luma_samples`` - - Specifies the width of each decoded picture in units of luma samples. - * - __u16 - - ``pic_height_in_luma_samples`` - - Specifies the height of each decoded picture in units of luma samples. - * - __u8 - - ``bit_depth_luma_minus8`` - - This value plus 8 specifies the bit depth of the samples of the luma array. - * - __u8 - - ``bit_depth_chroma_minus8`` - - This value plus 8 specifies the bit depth of the samples of the chroma arrays. - * - __u8 - - ``log2_max_pic_order_cnt_lsb_minus4`` - - This value plus 4 specifies the value of the variable MaxPicOrderCntLsb. - * - __u8 - - ``sps_max_dec_pic_buffering_minus1`` - - This value plus 1 specifies the maximum required size of the decoded picture buffer for - the codec video sequence. - * - __u8 - - ``sps_max_num_reorder_pics`` - - Indicates the maximum allowed number of pictures. - * - __u8 - - ``sps_max_latency_increase_plus1`` - - Not equal to 0 is used to compute the value of SpsMaxLatencyPictures array. - * - __u8 - - ``log2_min_luma_coding_block_size_minus3`` - - This value plus 3 specifies the minimum luma coding block size. - * - __u8 - - ``log2_diff_max_min_luma_coding_block_size`` - - Specifies the difference between the maximum and minimum luma coding block size. - * - __u8 - - ``log2_min_luma_transform_block_size_minus2`` - - This value plus 2 specifies the minimum luma transform block size. - * - __u8 - - ``log2_diff_max_min_luma_transform_block_size`` - - Specifies the difference between the maximum and minimum luma transform block size. - * - __u8 - - ``max_transform_hierarchy_depth_inter`` - - Specifies the maximum hierarchy depth for transform units of coding units coded - in inter prediction mode. - * - __u8 - - ``max_transform_hierarchy_depth_intra`` - - Specifies the maximum hierarchy depth for transform units of coding units coded in - intra prediction mode. - * - __u8 - - ``pcm_sample_bit_depth_luma_minus1`` - - This value plus 1 specifies the number of bits used to represent each of PCM sample - values of the luma component. - * - __u8 - - ``pcm_sample_bit_depth_chroma_minus1`` - - This value plus 1 specifies the number of bits used to represent each of PCM sample - values of the chroma components. - * - __u8 - - ``log2_min_pcm_luma_coding_block_size_minus3`` - - This value plus 3 specifies the minimum size of coding blocks. - * - __u8 - - ``log2_diff_max_min_pcm_luma_coding_block_size`` - - Specifies the difference between the maximum and minimum size of coding blocks. - * - __u8 - - ``num_short_term_ref_pic_sets`` - - Specifies the number of st_ref_pic_set() syntax structures included in the SPS. - * - __u8 - - ``num_long_term_ref_pics_sps`` - - Specifies the number of candidate long-term reference pictures that are - specified in the SPS. - * - __u8 - - ``chroma_format_idc`` - - Specifies the chroma sampling. - * - __u8 - - ``sps_max_sub_layers_minus1`` - - This value plus 1 specifies the maximum number of temporal sub-layers. - * - __u64 - - ``flags`` - - See :ref:`Sequence Parameter Set Flags <hevc_sps_flags>` - -.. raw:: latex - - \normalsize - -.. _hevc_sps_flags: - -``Sequence Parameter Set Flags`` - -.. raw:: latex - - \small - -.. cssclass:: longtable - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - ``V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE`` - - 0x00000001 - - - * - ``V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED`` - - 0x00000002 - - - * - ``V4L2_HEVC_SPS_FLAG_AMP_ENABLED`` - - 0x00000004 - - - * - ``V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET`` - - 0x00000008 - - - * - ``V4L2_HEVC_SPS_FLAG_PCM_ENABLED`` - - 0x00000010 - - - * - ``V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED`` - - 0x00000020 - - - * - ``V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT`` - - 0x00000040 - - - * - ``V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED`` - - 0x00000080 - - - * - ``V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED`` - - 0x00000100 - - - -.. raw:: latex - - \normalsize - -``V4L2_CID_STATELESS_HEVC_PPS (struct)`` - Specifies the Picture Parameter Set fields (as extracted from the - bitstream) for the associated HEVC slice data. - These bitstream parameters are defined according to :ref:`hevc`. - They are described in section 7.4.3.3 "Picture parameter set RBSP - semantics" of the specification. - -.. c:type:: v4l2_ctrl_hevc_pps - -.. tabularcolumns:: |p{1.2cm}|p{8.6cm}|p{7.5cm}| - -.. cssclass:: longtable - -.. flat-table:: struct v4l2_ctrl_hevc_pps - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __u8 - - ``pic_parameter_set_id`` - - Identifies the PPS for reference by other syntax elements. - * - __u8 - - ``num_extra_slice_header_bits`` - - Specifies the number of extra slice header bits that are present - in the slice header RBSP for coded pictures referring to the PPS. - * - __u8 - - ``num_ref_idx_l0_default_active_minus1`` - - This value plus 1 specifies the inferred value of num_ref_idx_l0_active_minus1 - * - __u8 - - ``num_ref_idx_l1_default_active_minus1`` - - This value plus 1 specifies the inferred value of num_ref_idx_l1_active_minus1 - * - __s8 - - ``init_qp_minus26`` - - This value plus 26 specifies the initial value of SliceQp Y for each slice - referring to the PPS. - * - __u8 - - ``diff_cu_qp_delta_depth`` - - Specifies the difference between the luma coding tree block size - and the minimum luma coding block size of coding units that - convey cu_qp_delta_abs and cu_qp_delta_sign_flag. - * - __s8 - - ``pps_cb_qp_offset`` - - Specify the offsets to the luma quantization parameter Cb. - * - __s8 - - ``pps_cr_qp_offset`` - - Specify the offsets to the luma quantization parameter Cr. - * - __u8 - - ``num_tile_columns_minus1`` - - This value plus 1 specifies the number of tile columns partitioning the picture. - * - __u8 - - ``num_tile_rows_minus1`` - - This value plus 1 specifies the number of tile rows partitioning the picture. - * - __u8 - - ``column_width_minus1[20]`` - - Plus 1 specifies the width of each tile column in units of - coding tree blocks. - * - __u8 - - ``row_height_minus1[22]`` - - This value plus 1 specifies the height of each tile row in units of coding - tree blocks. - * - __s8 - - ``pps_beta_offset_div2`` - - Specify the default deblocking parameter offsets for beta divided by 2. - * - __s8 - - ``pps_tc_offset_div2`` - - Specify the default deblocking parameter offsets for tC divided by 2. - * - __u8 - - ``log2_parallel_merge_level_minus2`` - - Plus 2 specifies the value of the variable Log2ParMrgLevel. - * - __u8 - - ``padding[4]`` - - Applications and drivers must set this to zero. - * - __u64 - - ``flags`` - - See :ref:`Picture Parameter Set Flags <hevc_pps_flags>` - -.. _hevc_pps_flags: - -``Picture Parameter Set Flags`` - -.. raw:: latex - - \small - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED`` - - 0x00000001 - - - * - ``V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT`` - - 0x00000002 - - - * - ``V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED`` - - 0x00000004 - - - * - ``V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT`` - - 0x00000008 - - - * - ``V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED`` - - 0x00000010 - - - * - ``V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED`` - - 0x00000020 - - - * - ``V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED`` - - 0x00000040 - - - * - ``V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT`` - - 0x00000080 - - - * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED`` - - 0x00000100 - - - * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED`` - - 0x00000200 - - - * - ``V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED`` - - 0x00000400 - - - * - ``V4L2_HEVC_PPS_FLAG_TILES_ENABLED`` - - 0x00000800 - - - * - ``V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED`` - - 0x00001000 - - - * - ``V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED`` - - 0x00002000 - - - * - ``V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED`` - - 0x00004000 - - - * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED`` - - 0x00008000 - - - * - ``V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER`` - - 0x00010000 - - - * - ``V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT`` - - 0x00020000 - - - * - ``V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT`` - - 0x00040000 - - - * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT`` - - 0x00080000 - - Specifies the presence of deblocking filter control syntax elements in - the PPS - * - ``V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING`` - - 0x00100000 - - Specifies that tile column boundaries and likewise tile row boundaries - are distributed uniformly across the picture - -.. raw:: latex - - \normalsize - -``V4L2_CID_STATELESS_HEVC_SLICE_PARAMS (struct)`` - Specifies various slice-specific parameters, especially from the NAL unit - header, general slice segment header and weighted prediction parameter - parts of the bitstream. - These bitstream parameters are defined according to :ref:`hevc`. - They are described in section 7.4.7 "General slice segment header - semantics" of the specification. - This control is a dynamically sized 1-dimensional array, - V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it. - -.. c:type:: v4l2_ctrl_hevc_slice_params - -.. raw:: latex - - \scriptsize - -.. tabularcolumns:: |p{5.4cm}|p{6.8cm}|p{5.1cm}| - -.. cssclass:: longtable - -.. flat-table:: struct v4l2_ctrl_hevc_slice_params - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __u32 - - ``bit_size`` - - Size (in bits) of the current slice data. - * - __u32 - - ``data_byte_offset`` - - Offset (in bytes) to the video data in the current slice data. - * - __u32 - - ``num_entry_point_offsets`` - - Specifies the number of entry point offset syntax elements in the slice header. - * - __u8 - - ``nal_unit_type`` - - Specifies the coding type of the slice (B, P or I). - * - __u8 - - ``nuh_temporal_id_plus1`` - - This value minus 1 specifies a temporal identifier for the NAL unit. - * - __u8 - - ``slice_type`` - - - (V4L2_HEVC_SLICE_TYPE_I, V4L2_HEVC_SLICE_TYPE_P or - V4L2_HEVC_SLICE_TYPE_B). - * - __u8 - - ``colour_plane_id`` - - Specifies the colour plane associated with the current slice. - * - __s32 - - ``slice_pic_order_cnt`` - - Specifies the picture order count. - * - __u8 - - ``num_ref_idx_l0_active_minus1`` - - This value plus 1 specifies the maximum reference index for - reference picture list 0 that may be used to decode the slice. - * - __u8 - - ``num_ref_idx_l1_active_minus1`` - - This value plus 1 specifies the maximum reference index for - reference picture list 1 that may be used to decode the slice. - * - __u8 - - ``collocated_ref_idx`` - - Specifies the reference index of the collocated picture used for - temporal motion vector prediction. - * - __u8 - - ``five_minus_max_num_merge_cand`` - - Specifies the maximum number of merging motion vector prediction - candidates supported in the slice subtracted from 5. - * - __s8 - - ``slice_qp_delta`` - - Specifies the initial value of QpY to be used for the coding blocks in the slice. - * - __s8 - - ``slice_cb_qp_offset`` - - Specifies a difference to be added to the value of pps_cb_qp_offset. - * - __s8 - - ``slice_cr_qp_offset`` - - Specifies a difference to be added to the value of pps_cr_qp_offset. - * - __s8 - - ``slice_act_y_qp_offset`` - - screen content extension parameters - * - __s8 - - ``slice_act_cb_qp_offset`` - - screen content extension parameters - * - __s8 - - ``slice_act_cr_qp_offset`` - - screen content extension parameters - * - __s8 - - ``slice_beta_offset_div2`` - - Specify the deblocking parameter offsets for beta divided by 2. - * - __s8 - - ``slice_tc_offset_div2`` - - Specify the deblocking parameter offsets for tC divided by 2. - * - __u8 - - ``pic_struct`` - - Indicates whether a picture should be displayed as a frame or as one or more fields. - * - __u32 - - ``slice_segment_addr`` - - Specifies the address of the first coding tree block in the slice segment. - * - __u8 - - ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - The list of L0 reference elements as indices in the DPB. - * - __u8 - - ``ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - The list of L1 reference elements as indices in the DPB. - * - __u16 - - ``short_term_ref_pic_set_size`` - - Specifies the size, in bits, of the short-term reference picture set, described as st_ref_pic_set() - in the specification, included in the slice header or SPS (section 7.3.6.1). - * - __u16 - - ``long_term_ref_pic_set_size`` - - Specifies the size, in bits, of the long-term reference picture set include in the slice header - or SPS. It is the number of bits in the conditional block if(long_term_ref_pics_present_flag) - in section 7.3.6.1 of the specification. - * - __u8 - - ``padding`` - - Applications and drivers must set this to zero. - * - struct :c:type:`v4l2_hevc_pred_weight_table` - - ``pred_weight_table`` - - The prediction weight coefficients for inter-picture prediction. - * - __u64 - - ``flags`` - - See :ref:`Slice Parameters Flags <hevc_slice_params_flags>` - -.. raw:: latex - - \normalsize - -.. _hevc_slice_params_flags: - -``Slice Parameters Flags`` - -.. raw:: latex - - \scriptsize - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA`` - - 0x00000001 - - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA`` - - 0x00000002 - - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED`` - - 0x00000004 - - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO`` - - 0x00000008 - - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT`` - - 0x00000010 - - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0`` - - 0x00000020 - - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV`` - - 0x00000040 - - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED`` - - 0x00000080 - - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED`` - - 0x00000100 - - - * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT`` - - 0x00000200 - - - -.. raw:: latex - - \normalsize - -``V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (integer)`` - Specifies entry point offsets in bytes. - This control is a dynamically sized array. The number of entry point - offsets is reported by the ``elems`` field. - This bitstream parameter is defined according to :ref:`hevc`. - They are described in section 7.4.7.1 "General slice segment header - semantics" of the specification. - -``V4L2_CID_STATELESS_HEVC_SCALING_MATRIX (struct)`` - Specifies the HEVC scaling matrix parameters used for the scaling process - for transform coefficients. - These matrix and parameters are defined according to :ref:`hevc`. - They are described in section 7.4.5 "Scaling list data semantics" of - the specification. - -.. c:type:: v4l2_ctrl_hevc_scaling_matrix - -.. raw:: latex - - \scriptsize - -.. tabularcolumns:: |p{5.4cm}|p{6.8cm}|p{5.1cm}| - -.. cssclass:: longtable - -.. flat-table:: struct v4l2_ctrl_hevc_scaling_matrix - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __u8 - - ``scaling_list_4x4[6][16]`` - - Scaling list is used for the scaling process for transform - coefficients. The values on each scaling list are expected - in raster scan order. - * - __u8 - - ``scaling_list_8x8[6][64]`` - - Scaling list is used for the scaling process for transform - coefficients. The values on each scaling list are expected - in raster scan order. - * - __u8 - - ``scaling_list_16x16[6][64]`` - - Scaling list is used for the scaling process for transform - coefficients. The values on each scaling list are expected - in raster scan order. - * - __u8 - - ``scaling_list_32x32[2][64]`` - - Scaling list is used for the scaling process for transform - coefficients. The values on each scaling list are expected - in raster scan order. - * - __u8 - - ``scaling_list_dc_coef_16x16[6]`` - - Scaling list is used for the scaling process for transform - coefficients. The values on each scaling list are expected - in raster scan order. - * - __u8 - - ``scaling_list_dc_coef_32x32[2]`` - - Scaling list is used for the scaling process for transform - coefficients. The values on each scaling list are expected - in raster scan order. - -.. raw:: latex - - \normalsize - -.. c:type:: v4l2_hevc_dpb_entry - -.. raw:: latex - - \small - -.. tabularcolumns:: |p{1.0cm}|p{4.2cm}|p{12.1cm}| - -.. flat-table:: struct v4l2_hevc_dpb_entry - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __u64 - - ``timestamp`` - - Timestamp of the V4L2 capture buffer to use as reference, used - with B-coded and P-coded frames. The timestamp refers to the - ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the - :c:func:`v4l2_timeval_to_ns()` function to convert the struct - :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64. - * - __u8 - - ``flags`` - - Long term flag for the reference frame - (V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE). The flag is set as - described in the ITU HEVC specification chapter "8.3.2 Decoding - process for reference picture set". - * - __u8 - - ``field_pic`` - - Whether the reference is a field picture or a frame. - See :ref:`HEVC dpb field pic Flags <hevc_dpb_field_pic_flags>` - * - __s32 - - ``pic_order_cnt_val`` - - The picture order count of the current picture. - * - __u8 - - ``padding[2]`` - - Applications and drivers must set this to zero. - -.. raw:: latex - - \normalsize - -.. _hevc_dpb_field_pic_flags: - -``HEVC dpb field pic Flags`` - -.. raw:: latex - - \scriptsize - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME`` - - 0 - - (progressive) Frame - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD`` - - 1 - - Top field - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD`` - - 2 - - Bottom field - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM`` - - 3 - - Top field, bottom field, in that order - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP`` - - 4 - - Bottom field, top field, in that order - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP`` - - 5 - - Top field, bottom field, top field repeated, in that order - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM`` - - 6 - - Bottom field, top field, bottom field repeated, in that order - * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING`` - - 7 - - Frame doubling - * - ``V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING`` - - 8 - - Frame tripling - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM`` - - 9 - - Top field paired with previous bottom field in output order - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP`` - - 10 - - Bottom field paired with previous top field in output order - * - ``V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM`` - - 11 - - Top field paired with next bottom field in output order - * - ``V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP`` - - 12 - - Bottom field paired with next top field in output order - -.. c:type:: v4l2_hevc_pred_weight_table - -.. raw:: latex - - \footnotesize - -.. tabularcolumns:: |p{0.8cm}|p{10.6cm}|p{5.9cm}| - -.. flat-table:: struct v4l2_hevc_pred_weight_table - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __s8 - - ``delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - The difference of the weighting factor applied to the luma - prediction value for list 0. - * - __s8 - - ``luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - The additive offset applied to the luma prediction value for list 0. - * - __s8 - - ``delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` - - The difference of the weighting factor applied to the chroma - prediction value for list 0. - * - __s8 - - ``chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` - - The difference of the additive offset applied to the chroma - prediction values for list 0. - * - __s8 - - ``delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - The difference of the weighting factor applied to the luma - prediction value for list 1. - * - __s8 - - ``luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - The additive offset applied to the luma prediction value for list 1. - * - __s8 - - ``delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` - - The difference of the weighting factor applied to the chroma - prediction value for list 1. - * - __s8 - - ``chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]`` - - The difference of the additive offset applied to the chroma - prediction values for list 1. - * - __u8 - - ``luma_log2_weight_denom`` - - The base 2 logarithm of the denominator for all luma weighting - factors. - * - __s8 - - ``delta_chroma_log2_weight_denom`` - - The difference of the base 2 logarithm of the denominator for - all chroma weighting factors. - * - __u8 - - ``padding[6]`` - - Applications and drivers must set this to zero. - -.. raw:: latex - - \normalsize - -``V4L2_CID_STATELESS_HEVC_DECODE_MODE (enum)`` - Specifies the decoding mode to use. Currently exposes slice-based and - frame-based decoding but new modes might be added later on. - This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE - pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE - are required to set this control in order to specify the decoding mode - that is expected for the buffer. - Drivers may expose a single or multiple decoding modes, depending - on what they can support. - - .. note:: - - This menu control is not yet part of the public kernel API and - it is expected to change. - -.. c:type:: v4l2_stateless_hevc_decode_mode - -.. raw:: latex - - \small - -.. tabularcolumns:: |p{9.4cm}|p{0.6cm}|p{7.3cm}| - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - ``V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED`` - - 0 - - Decoding is done at the slice granularity. - The OUTPUT buffer must contain a single slice. - * - ``V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED`` - - 1 - - Decoding is done at the frame granularity. - The OUTPUT buffer must contain all slices needed to decode the - frame. The OUTPUT buffer must also contain both fields. - -.. raw:: latex - - \normalsize - -``V4L2_CID_STATELESS_HEVC_START_CODE (enum)`` - Specifies the HEVC slice start code expected for each slice. - This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE - pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE - are required to set this control in order to specify the start code - that is expected for the buffer. - Drivers may expose a single or multiple start codes, depending - on what they can support. - - .. note:: - - This menu control is not yet part of the public kernel API and - it is expected to change. - -.. c:type:: v4l2_stateless_hevc_start_code - -.. tabularcolumns:: |p{9.2cm}|p{0.6cm}|p{7.5cm}| - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - ``V4L2_STATELESS_HEVC_START_CODE_NONE`` - - 0 - - Selecting this value specifies that HEVC slices are passed - to the driver without any start code. The bitstream data should be - according to :ref:`hevc` 7.3.1.1 General NAL unit syntax, hence - contains emulation prevention bytes when required. - * - ``V4L2_STATELESS_HEVC_START_CODE_ANNEX_B`` - - 1 - - Selecting this value specifies that HEVC slices are expected - to be prefixed by Annex B start codes. According to :ref:`hevc` - valid start codes can be 3-bytes 0x000001 or 4-bytes 0x00000001. - -``V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID (integer)`` - Specifies a priority identifier for the NAL unit, which will be applied to - the base layer. By default this value is set to 0 for the base layer, - and the next layer will have the priority ID assigned as 1, 2, 3 and so on. - The video encoder can't decide the priority id to be applied to a layer, - so this has to come from client. - This is applicable to H264 and valid Range is from 0 to 63. - Source Rec. ITU-T H.264 (06/2019); G.7.4.1.1, G.8.8.1. - -``V4L2_CID_MPEG_VIDEO_LTR_COUNT (integer)`` - Specifies the maximum number of Long Term Reference (LTR) frames at any - given time that the encoder can keep. - This is applicable to the H264 and HEVC encoders. - -``V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (integer)`` - After setting this control the frame that will be queued next - will be marked as a Long Term Reference (LTR) frame - and given this LTR index which ranges from 0 to LTR_COUNT-1. - This is applicable to the H264 and HEVC encoders. - Source Rec. ITU-T H.264 (06/2019); Table 7.9 - -``V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (bitmask)`` - Specifies the Long Term Reference (LTR) frame(s) to be used for - encoding the next frame queued after setting this control. - This provides a bitmask which consists of bits [0, LTR_COUNT-1]. - This is applicable to the H264 and HEVC encoders. - -``V4L2_CID_STATELESS_HEVC_DECODE_PARAMS (struct)`` - Specifies various decode parameters, especially the references picture order - count (POC) for all the lists (short, long, before, current, after) and the - number of entries for each of them. - These parameters are defined according to :ref:`hevc`. - They are described in section 8.3 "Slice decoding process" of the - specification. - -.. c:type:: v4l2_ctrl_hevc_decode_params - -.. cssclass:: longtable - -.. flat-table:: struct v4l2_ctrl_hevc_decode_params - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - __s32 - - ``pic_order_cnt_val`` - - PicOrderCntVal as described in section 8.3.1 "Decoding process - for picture order count" of the specification. - * - __u16 - - ``short_term_ref_pic_set_size`` - - Specifies the size, in bits, of the short-term reference picture set, of the first slice - described as st_ref_pic_set() in the specification, included in the slice header - or SPS (section 7.3.6.1). - * - __u16 - - ``long_term_ref_pic_set_size`` - - Specifies the size, in bits, of the long-term reference picture set, of the first slice - included in the slice header or SPS. It is the number of bits in the conditional block - if(long_term_ref_pics_present_flag) in section 7.3.6.1 of the specification. - * - __u8 - - ``num_active_dpb_entries`` - - The number of entries in ``dpb``. - * - __u8 - - ``num_poc_st_curr_before`` - - The number of reference pictures in the short-term set that come before - the current frame. - * - __u8 - - ``num_poc_st_curr_after`` - - The number of reference pictures in the short-term set that come after - the current frame. - * - __u8 - - ``num_poc_lt_curr`` - - The number of reference pictures in the long-term set. - * - __u8 - - ``poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - PocStCurrBefore as described in section 8.3.2 "Decoding process for reference - picture set": provides the index of the short term before references in DPB array. - * - __u8 - - ``poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - PocStCurrAfter as described in section 8.3.2 "Decoding process for reference - picture set": provides the index of the short term after references in DPB array. - * - __u8 - - ``poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - PocLtCurr as described in section 8.3.2 "Decoding process for reference - picture set": provides the index of the long term references in DPB array. - * - struct :c:type:`v4l2_hevc_dpb_entry` - - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` - - The decoded picture buffer, for meta-data about reference frames. - * - __u64 - - ``flags`` - - See :ref:`Decode Parameters Flags <hevc_decode_params_flags>` - -.. _hevc_decode_params_flags: - -``Decode Parameters Flags`` - -.. cssclass:: longtable - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - :widths: 1 1 2 - - * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC`` - - 0x00000001 - - - * - ``V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC`` - - 0x00000002 - - - * - ``V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR`` - - 0x00000004 - - diff --git a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst index c352d91a73d8..506dd3c98884 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-compressed.rst @@ -212,7 +212,7 @@ Compressed Formats ``V4L2_CID_MPEG_VIDEO_HEVC_SPS``, ``V4L2_CID_MPEG_VIDEO_HEVC_PPS``, and ``V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS``. - See the :ref:`associated Codec Control IDs <v4l2-mpeg-hevc>`. + See the :ref:`associated Codec Control IDs <v4l2-codec-stateless-hevc>`. Buffers associated with this pixel format must contain the appropriate number of macroblocks to decode a full corresponding frame. * .. _V4L2-PIX-FMT-FWHT: diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst index 29971a45a2d4..892cfeb8b988 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst @@ -249,6 +249,26 @@ still cause this situation. - ``p_hdr10_mastering`` - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_mastering_display`. Valid if this control is of type ``V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY``. + * - struct :c:type:`v4l2_ctrl_hevc_sps` * + - ``p_hevc_sps`` + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_sps`. Valid if this + control is of type ``V4L2_CTRL_TYPE_HEVC_SPS``. + * - struct :c:type:`v4l2_ctrl_hevc_pps` * + - ``p_hevc_pps`` + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_pps`. Valid if this + control is of type ``V4L2_CTRL_TYPE_HEVC_PPS``. + * - struct :c:type:`v4l2_ctrl_hevc_slice_params` * + - ``p_hevc_slice_params`` + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_slice_params`. Valid if this + control is of type ``V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS``. + * - struct :c:type:`v4l2_ctrl_hevc_scaling_matrix` * + - ``p_hevc_scaling_matrix`` + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_scaling_matrix`. Valid if this + control is of type ``V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX``. + * - struct :c:type:`v4l2_ctrl_hevc_decode_params` * + - ``p_hevc_decode_params`` + - A pointer to a struct :c:type:`v4l2_ctrl_hevc_decode_params`. Valid if this + control is of type ``V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS``. * - void * - ``ptr`` - A pointer to a compound type which can be an N-dimensional array diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h deleted file mode 100644 index c89029b3c5da..000000000000 --- a/include/media/hevc-ctrls.h +++ /dev/null @@ -1,474 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * These are the HEVC state controls for use with stateless HEVC - * codec drivers. - * - * It turns out that these structs are not stable yet and will undergo - * more changes. So keep them private until they are stable and ready to - * become part of the official public API. - */ - -#ifndef _HEVC_CTRLS_H_ -#define _HEVC_CTRLS_H_ - -#include <linux/videodev2.h> - -#define V4L2_CID_STATELESS_HEVC_SPS (V4L2_CID_CODEC_BASE + 1008) -#define V4L2_CID_STATELESS_HEVC_PPS (V4L2_CID_CODEC_BASE + 1009) -#define V4L2_CID_STATELESS_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_BASE + 1010) -#define V4L2_CID_STATELESS_HEVC_SCALING_MATRIX (V4L2_CID_CODEC_BASE + 1011) -#define V4L2_CID_STATELESS_HEVC_DECODE_PARAMS (V4L2_CID_CODEC_BASE + 1012) -#define V4L2_CID_STATELESS_HEVC_DECODE_MODE (V4L2_CID_CODEC_BASE + 1015) -#define V4L2_CID_STATELESS_HEVC_START_CODE (V4L2_CID_CODEC_BASE + 1016) -#define V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (V4L2_CID_CODEC_BASE + 1017) - -enum v4l2_stateless_hevc_decode_mode { - V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED, - V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED, -}; - -enum v4l2_stateless_hevc_start_code { - V4L2_STATELESS_HEVC_START_CODE_NONE, - V4L2_STATELESS_HEVC_START_CODE_ANNEX_B, -}; - -#define V4L2_HEVC_SLICE_TYPE_B 0 -#define V4L2_HEVC_SLICE_TYPE_P 1 -#define V4L2_HEVC_SLICE_TYPE_I 2 - -#define V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE (1ULL << 0) -#define V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED (1ULL << 1) -#define V4L2_HEVC_SPS_FLAG_AMP_ENABLED (1ULL << 2) -#define V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET (1ULL << 3) -#define V4L2_HEVC_SPS_FLAG_PCM_ENABLED (1ULL << 4) -#define V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED (1ULL << 5) -#define V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT (1ULL << 6) -#define V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED (1ULL << 7) -#define V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED (1ULL << 8) - -/** - * struct v4l2_ctrl_hevc_sps - ITU-T Rec. H.265: Sequence parameter set - * - * @video_parameter_set_id: specifies the value of the - * vps_video_parameter_set_id of the active VPS - * @seq_parameter_set_id: provides an identifier for the SPS for - * reference by other syntax elements - * @pic_width_in_luma_samples: specifies the width of each decoded picture - * in units of luma samples - * @pic_height_in_luma_samples: specifies the height of each decoded picture - * in units of luma samples - * @bit_depth_luma_minus8: this value plus 8 specifies the bit depth of the - * samples of the luma array - * @bit_depth_chroma_minus8: this value plus 8 specifies the bit depth of the - * samples of the chroma arrays - * @log2_max_pic_order_cnt_lsb_minus4: this value plus 4 specifies the value - * of the variable MaxPicOrderCntLsb - * @sps_max_dec_pic_buffering_minus1: this value plus 1 specifies the maximum - * required size of the decoded picture - * buffer for the codec video sequence - * @sps_max_num_reorder_pics: indicates the maximum allowed number of pictures - * @sps_max_latency_increase_plus1: not equal to 0 is used to compute the - * value of SpsMaxLatencyPictures array - * @log2_min_luma_coding_block_size_minus3: this value plus 3 specifies the - * minimum luma coding block size - * @log2_diff_max_min_luma_coding_block_size: specifies the difference between - * the maximum and minimum luma - * coding block size - * @log2_min_luma_transform_block_size_minus2: this value plus 2 specifies the - * minimum luma transform block size - * @log2_diff_max_min_luma_transform_block_size: specifies the difference between - * the maximum and minimum luma - * transform block size - * @max_transform_hierarchy_depth_inter: specifies the maximum hierarchy - * depth for transform units of - * coding units coded in inter - * prediction mode - * @max_transform_hierarchy_depth_intra: specifies the maximum hierarchy - * depth for transform units of - * coding units coded in intra - * prediction mode - * @pcm_sample_bit_depth_luma_minus1: this value plus 1 specifies the number of - * bits used to represent each of PCM sample - * values of the luma component - * @pcm_sample_bit_depth_chroma_minus1: this value plus 1 specifies the number - * of bits used to represent each of PCM - * sample values of the chroma components - * @log2_min_pcm_luma_coding_block_size_minus3: this value plus 3 specifies the - * minimum size of coding blocks - * @log2_diff_max_min_pcm_luma_coding_block_size: specifies the difference between - * the maximum and minimum size of - * coding blocks - * @num_short_term_ref_pic_sets: specifies the number of st_ref_pic_set() - * syntax structures included in the SPS - * @num_long_term_ref_pics_sps: specifies the number of candidate long-term - * reference pictures that are specified in the SPS - * @chroma_format_idc: specifies the chroma sampling - * @sps_max_sub_layers_minus1: this value plus 1 specifies the maximum number - * of temporal sub-layers - * @reserved: padding field. Should be zeroed by applications. - * @flags: see V4L2_HEVC_SPS_FLAG_{} - */ -struct v4l2_ctrl_hevc_sps { - __u8 video_parameter_set_id; - __u8 seq_parameter_set_id; - __u16 pic_width_in_luma_samples; - __u16 pic_height_in_luma_samples; - __u8 bit_depth_luma_minus8; - __u8 bit_depth_chroma_minus8; - __u8 log2_max_pic_order_cnt_lsb_minus4; - __u8 sps_max_dec_pic_buffering_minus1; - __u8 sps_max_num_reorder_pics; - __u8 sps_max_latency_increase_plus1; - __u8 log2_min_luma_coding_block_size_minus3; - __u8 log2_diff_max_min_luma_coding_block_size; - __u8 log2_min_luma_transform_block_size_minus2; - __u8 log2_diff_max_min_luma_transform_block_size; - __u8 max_transform_hierarchy_depth_inter; - __u8 max_transform_hierarchy_depth_intra; - __u8 pcm_sample_bit_depth_luma_minus1; - __u8 pcm_sample_bit_depth_chroma_minus1; - __u8 log2_min_pcm_luma_coding_block_size_minus3; - __u8 log2_diff_max_min_pcm_luma_coding_block_size; - __u8 num_short_term_ref_pic_sets; - __u8 num_long_term_ref_pics_sps; - __u8 chroma_format_idc; - __u8 sps_max_sub_layers_minus1; - - __u8 reserved[6]; - __u64 flags; -}; - -#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED (1ULL << 0) -#define V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT (1ULL << 1) -#define V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED (1ULL << 2) -#define V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT (1ULL << 3) -#define V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED (1ULL << 4) -#define V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED (1ULL << 5) -#define V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED (1ULL << 6) -#define V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT (1ULL << 7) -#define V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED (1ULL << 8) -#define V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED (1ULL << 9) -#define V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED (1ULL << 10) -#define V4L2_HEVC_PPS_FLAG_TILES_ENABLED (1ULL << 11) -#define V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED (1ULL << 12) -#define V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED (1ULL << 13) -#define V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 14) -#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED (1ULL << 15) -#define V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER (1ULL << 16) -#define V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT (1ULL << 17) -#define V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT (1ULL << 18) -#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT (1ULL << 19) -#define V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING (1ULL << 20) - -/** - * struct v4l2_ctrl_hevc_pps - ITU-T Rec. H.265: Picture parameter set - * - * @pic_parameter_set_id: identifies the PPS for reference by other - * syntax elements - * @num_extra_slice_header_bits: specifies the number of extra slice header - * bits that are present in the slice header RBSP - * for coded pictures referring to the PPS. - * @num_ref_idx_l0_default_active_minus1: this value plus 1 specifies the inferred - * value of num_ref_idx_l0_active_minus1 - * @num_ref_idx_l1_default_active_minus1: this value plus 1 specifies the inferred - * value of num_ref_idx_l1_active_minus1 - * @init_qp_minus26: this value plus 26 specifies the initial value of SliceQp Y - * for each slice referring to the PPS - * @diff_cu_qp_delta_depth: specifies the difference between the luma coding - * tree block size and the minimum luma coding block - * size of coding units that convey cu_qp_delta_abs - * and cu_qp_delta_sign_flag - * @pps_cb_qp_offset: specify the offsets to the luma quantization parameter Cb - * @pps_cr_qp_offset: specify the offsets to the luma quantization parameter Cr - * @num_tile_columns_minus1: this value plus 1 specifies the number of tile columns - * partitioning the picture - * @num_tile_rows_minus1: this value plus 1 specifies the number of tile rows - * partitioning the picture - * @column_width_minus1: this value plus 1 specifies the width of each tile column - * in units of coding tree blocks - * @row_height_minus1: this value plus 1 specifies the height of each tile row in - * units of coding tree blocks - * @pps_beta_offset_div2: specify the default deblocking parameter offsets for - * beta divided by 2 - * @pps_tc_offset_div2: specify the default deblocking parameter offsets for tC - * divided by 2 - * @log2_parallel_merge_level_minus2: this value plus 2 specifies the value of - * the variable Log2ParMrgLevel - * @reserved: padding field. Should be zeroed by applications. - * @flags: see V4L2_HEVC_PPS_FLAG_{} - */ -struct v4l2_ctrl_hevc_pps { - __u8 pic_parameter_set_id; - __u8 num_extra_slice_header_bits; - __u8 num_ref_idx_l0_default_active_minus1; - __u8 num_ref_idx_l1_default_active_minus1; - __s8 init_qp_minus26; - __u8 diff_cu_qp_delta_depth; - __s8 pps_cb_qp_offset; - __s8 pps_cr_qp_offset; - __u8 num_tile_columns_minus1; - __u8 num_tile_rows_minus1; - __u8 column_width_minus1[20]; - __u8 row_height_minus1[22]; - __s8 pps_beta_offset_div2; - __s8 pps_tc_offset_div2; - __u8 log2_parallel_merge_level_minus2; - __u8 reserved; - __u64 flags; -}; - -#define V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE 0x01 - -#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME 0 -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD 1 -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD 2 -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM 3 -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP 4 -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP 5 -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM 6 -#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING 7 -#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING 8 -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM 9 -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP 10 -#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM 11 -#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP 12 - -#define V4L2_HEVC_DPB_ENTRIES_NUM_MAX 16 - -/** - * struct v4l2_hevc_dpb_entry - HEVC decoded picture buffer entry - * - * @timestamp: timestamp of the V4L2 capture buffer to use as reference. - * @flags: long term flag for the reference frame - * @field_pic: whether the reference is a field picture or a frame. - * @reserved: padding field. Should be zeroed by applications. - * @pic_order_cnt_val: the picture order count of the reference. - */ -struct v4l2_hevc_dpb_entry { - __u64 timestamp; - __u8 flags; - __u8 field_pic; - __u16 reserved; - __s32 pic_order_cnt_val; -}; - -/** - * struct v4l2_hevc_pred_weight_table - HEVC weighted prediction parameters - * - * @delta_luma_weight_l0: the difference of the weighting factor applied - * to the luma prediction value for list 0 - * @luma_offset_l0: the additive offset applied to the luma prediction value - * for list 0 - * @delta_chroma_weight_l0: the difference of the weighting factor applied - * to the chroma prediction values for list 0 - * @chroma_offset_l0: the difference of the additive offset applied to - * the chroma prediction values for list 0 - * @delta_luma_weight_l1: the difference of the weighting factor applied - * to the luma prediction value for list 1 - * @luma_offset_l1: the additive offset applied to the luma prediction value - * for list 1 - * @delta_chroma_weight_l1: the difference of the weighting factor applied - * to the chroma prediction values for list 1 - * @chroma_offset_l1: the difference of the additive offset applied to - * the chroma prediction values for list 1 - * @luma_log2_weight_denom: the base 2 logarithm of the denominator for - * all luma weighting factors - * @delta_chroma_log2_weight_denom: the difference of the base 2 logarithm - * of the denominator for all chroma - * weighting factors - */ -struct v4l2_hevc_pred_weight_table { - __s8 delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __s8 luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __s8 delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; - __s8 chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; - - __s8 delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __s8 luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __s8 delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; - __s8 chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; - - __u8 luma_log2_weight_denom; - __s8 delta_chroma_log2_weight_denom; -}; - -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA (1ULL << 0) -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA (1ULL << 1) -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED (1ULL << 2) -#define V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO (1ULL << 3) -#define V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT (1ULL << 4) -#define V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0 (1ULL << 5) -#define V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV (1ULL << 6) -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED (1ULL << 7) -#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 8) -#define V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT (1ULL << 9) - -/** - * struct v4l2_ctrl_hevc_slice_params - HEVC slice parameters - * - * This control is a dynamically sized 1-dimensional array, - * V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it. - * - * @bit_size: size (in bits) of the current slice data - * @data_byte_offset: offset (in bytes) to the video data in the current slice data - * @num_entry_point_offsets: specifies the number of entry point offset syntax - * elements in the slice header. - * @nal_unit_type: specifies the coding type of the slice (B, P or I) - * @nuh_temporal_id_plus1: minus 1 specifies a temporal identifier for the NAL unit - * @slice_type: see V4L2_HEVC_SLICE_TYPE_{} - * @colour_plane_id: specifies the colour plane associated with the current slice - * @slice_pic_order_cnt: specifies the picture order count - * @num_ref_idx_l0_active_minus1: this value plus 1 specifies the maximum reference - * index for reference picture list 0 that may be - * used to decode the slice - * @num_ref_idx_l1_active_minus1: this value plus 1 specifies the maximum reference - * index for reference picture list 1 that may be - * used to decode the slice - * @collocated_ref_idx: specifies the reference index of the collocated picture used - * for temporal motion vector prediction - * @five_minus_max_num_merge_cand: specifies the maximum number of merging - * motion vector prediction candidates supported in - * the slice subtracted from 5 - * @slice_qp_delta: specifies the initial value of QpY to be used for the coding - * blocks in the slice - * @slice_cb_qp_offset: specifies a difference to be added to the value of pps_cb_qp_offset - * @slice_cr_qp_offset: specifies a difference to be added to the value of pps_cr_qp_offset - * @slice_act_y_qp_offset: screen content extension parameters - * @slice_act_cb_qp_offset: screen content extension parameters - * @slice_act_cr_qp_offset: screen content extension parameters - * @slice_beta_offset_div2: specify the deblocking parameter offsets for beta divided by 2 - * @slice_tc_offset_div2: specify the deblocking parameter offsets for tC divided by 2 - * @pic_struct: indicates whether a picture should be displayed as a frame or as one or - * more fields - * @reserved0: padding field. Should be zeroed by applications. - * @slice_segment_addr: specifies the address of the first coding tree block in - * the slice segment - * @ref_idx_l0: the list of L0 reference elements as indices in the DPB - * @ref_idx_l1: the list of L1 reference elements as indices in the DPB - * @short_term_ref_pic_set_size: specifies the size of short-term reference - * pictures included in the SPS - * @long_term_ref_pic_set_size: specifies the size of long-term reference - * picture include in the SPS - * @pred_weight_table: the prediction weight coefficients for inter-picture - * prediction - * @reserved1: padding field. Should be zeroed by applications. - * @flags: see V4L2_HEVC_SLICE_PARAMS_FLAG_{} - */ -struct v4l2_ctrl_hevc_slice_params { - __u32 bit_size; - __u32 data_byte_offset; - __u32 num_entry_point_offsets; - /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */ - __u8 nal_unit_type; - __u8 nuh_temporal_id_plus1; - - /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ - __u8 slice_type; - __u8 colour_plane_id; - __s32 slice_pic_order_cnt; - __u8 num_ref_idx_l0_active_minus1; - __u8 num_ref_idx_l1_active_minus1; - __u8 collocated_ref_idx; - __u8 five_minus_max_num_merge_cand; - __s8 slice_qp_delta; - __s8 slice_cb_qp_offset; - __s8 slice_cr_qp_offset; - __s8 slice_act_y_qp_offset; - __s8 slice_act_cb_qp_offset; - __s8 slice_act_cr_qp_offset; - __s8 slice_beta_offset_div2; - __s8 slice_tc_offset_div2; - - /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */ - __u8 pic_struct; - - __u8 reserved0[3]; - /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ - __u32 slice_segment_addr; - __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __u16 short_term_ref_pic_set_size; - __u16 long_term_ref_pic_set_size; - - /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ - struct v4l2_hevc_pred_weight_table pred_weight_table; - - __u8 reserved1[2]; - __u64 flags; -}; - -#define V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC 0x1 -#define V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC 0x2 -#define V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR 0x4 - -/** - * struct v4l2_ctrl_hevc_decode_params - HEVC decode parameters - * - * @pic_order_cnt_val: picture order count - * @short_term_ref_pic_set_size: specifies the size of short-term reference - * pictures set included in the SPS of the first slice - * @long_term_ref_pic_set_size: specifies the size of long-term reference - * pictures set include in the SPS of the first slice - * @num_active_dpb_entries: the number of entries in dpb - * @num_poc_st_curr_before: the number of reference pictures in the short-term - * set that come before the current frame - * @num_poc_st_curr_after: the number of reference pictures in the short-term - * set that come after the current frame - * @num_poc_lt_curr: the number of reference pictures in the long-term set - * @poc_st_curr_before: provides the index of the short term before references - * in DPB array - * @poc_st_curr_after: provides the index of the short term after references - * in DPB array - * @poc_lt_curr: provides the index of the long term references in DPB array - * @reserved: padding field. Should be zeroed by applications. - * @dpb: the decoded picture buffer, for meta-data about reference frames - * @flags: see V4L2_HEVC_DECODE_PARAM_FLAG_{} - */ -struct v4l2_ctrl_hevc_decode_params { - __s32 pic_order_cnt_val; - __u16 short_term_ref_pic_set_size; - __u16 long_term_ref_pic_set_size; - __u8 num_active_dpb_entries; - __u8 num_poc_st_curr_before; - __u8 num_poc_st_curr_after; - __u8 num_poc_lt_curr; - __u8 poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __u8 poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __u8 poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __u8 reserved[4]; - struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; - __u64 flags; -}; - -/** - * struct v4l2_ctrl_hevc_scaling_matrix - HEVC scaling lists parameters - * - * @scaling_list_4x4: scaling list is used for the scaling process for - * transform coefficients. The values on each scaling - * list are expected in raster scan order - * @scaling_list_8x8: scaling list is used for the scaling process for - * transform coefficients. The values on each scaling - * list are expected in raster scan order - * @scaling_list_16x16: scaling list is used for the scaling process for - * transform coefficients. The values on each scaling - * list are expected in raster scan order - * @scaling_list_32x32: scaling list is used for the scaling process for - * transform coefficients. The values on each scaling - * list are expected in raster scan order - * @scaling_list_dc_coef_16x16: scaling list is used for the scaling process - * for transform coefficients. The values on each - * scaling list are expected in raster scan order. - * @scaling_list_dc_coef_32x32: scaling list is used for the scaling process - * for transform coefficients. The values on each - * scaling list are expected in raster scan order. - */ -struct v4l2_ctrl_hevc_scaling_matrix { - __u8 scaling_list_4x4[6][16]; - __u8 scaling_list_8x8[6][64]; - __u8 scaling_list_16x16[6][64]; - __u8 scaling_list_32x32[2][64]; - __u8 scaling_list_dc_coef_16x16[6]; - __u8 scaling_list_dc_coef_32x32[2]; -}; - -#endif diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h index f4105de8a8d2..00828a4f9404 100644 --- a/include/media/v4l2-ctrls.h +++ b/include/media/v4l2-ctrls.h @@ -13,12 +13,6 @@ #include <linux/videodev2.h> #include <media/media-request.h> -/* - * Include the stateless codec compound control definitions. - * This will move to the public headers once this API is fully stable. - */ -#include <media/hevc-ctrls.h> - /* forward references */ struct file; struct poll_table_struct; diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index dfff69ed88f7..5f46bf4a570c 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -1997,6 +1997,465 @@ struct v4l2_ctrl_mpeg2_quantisation { __u8 chroma_non_intra_quantiser_matrix[64]; }; +#define V4L2_CID_STATELESS_HEVC_SPS (V4L2_CID_CODEC_STATELESS_BASE + 400) +#define V4L2_CID_STATELESS_HEVC_PPS (V4L2_CID_CODEC_STATELESS_BASE + 401) +#define V4L2_CID_STATELESS_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_STATELESS_BASE + 402) +#define V4L2_CID_STATELESS_HEVC_SCALING_MATRIX (V4L2_CID_CODEC_STATELESS_BASE + 403) +#define V4L2_CID_STATELESS_HEVC_DECODE_PARAMS (V4L2_CID_CODEC_STATELESS_BASE + 404) +#define V4L2_CID_STATELESS_HEVC_DECODE_MODE (V4L2_CID_CODEC_STATELESS_BASE + 405) +#define V4L2_CID_STATELESS_HEVC_START_CODE (V4L2_CID_CODEC_STATELESS_BASE + 406) +#define V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (V4L2_CID_CODEC_STATELESS_BASE + 407) + +enum v4l2_stateless_hevc_decode_mode { + V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED, + V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED, +}; + +enum v4l2_stateless_hevc_start_code { + V4L2_STATELESS_HEVC_START_CODE_NONE, + V4L2_STATELESS_HEVC_START_CODE_ANNEX_B, +}; + +#define V4L2_HEVC_SLICE_TYPE_B 0 +#define V4L2_HEVC_SLICE_TYPE_P 1 +#define V4L2_HEVC_SLICE_TYPE_I 2 + +#define V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE (1ULL << 0) +#define V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED (1ULL << 1) +#define V4L2_HEVC_SPS_FLAG_AMP_ENABLED (1ULL << 2) +#define V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET (1ULL << 3) +#define V4L2_HEVC_SPS_FLAG_PCM_ENABLED (1ULL << 4) +#define V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED (1ULL << 5) +#define V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT (1ULL << 6) +#define V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED (1ULL << 7) +#define V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED (1ULL << 8) + +/** + * struct v4l2_ctrl_hevc_sps - ITU-T Rec. H.265: Sequence parameter set + * + * @video_parameter_set_id: specifies the value of the + * vps_video_parameter_set_id of the active VPS + * @seq_parameter_set_id: provides an identifier for the SPS for + * reference by other syntax elements + * @pic_width_in_luma_samples: specifies the width of each decoded picture + * in units of luma samples + * @pic_height_in_luma_samples: specifies the height of each decoded picture + * in units of luma samples + * @bit_depth_luma_minus8: this value plus 8specifies the bit depth of the + * samples of the luma array + * @bit_depth_chroma_minus8: this value plus 8 specifies the bit depth of the + * samples of the chroma arrays + * @log2_max_pic_order_cnt_lsb_minus4: this value plus 4 specifies the value of + * the variable MaxPicOrderCntLsb + * @sps_max_dec_pic_buffering_minus1: this value plus 1 specifies the maximum + * required size of the decoded picture + * buffer for the codec video sequence + * @sps_max_num_reorder_pics: indicates the maximum allowed number of pictures + * @sps_max_latency_increase_plus1: not equal to 0 is used to compute the + * value of SpsMaxLatencyPictures array + * @log2_min_luma_coding_block_size_minus3: plus 3 specifies the minimum + * luma coding block size + * @log2_diff_max_min_luma_coding_block_size: specifies the difference between + * the maximum and minimum luma + * coding block size + * @log2_min_luma_transform_block_size_minus2: plus 2 specifies the minimum luma + * transform block size + * @log2_diff_max_min_luma_transform_block_size: specifies the difference between + * the maximum and minimum luma + * transform block size + * @max_transform_hierarchy_depth_inter: specifies the maximum hierarchy + * depth for transform units of + * coding units coded in inter + * prediction mode + * @max_transform_hierarchy_depth_intra: specifies the maximum hierarchy + * depth for transform units of + * coding units coded in intra + * prediction mode + * @pcm_sample_bit_depth_luma_minus1: this value plus 1 specifies the number of + * bits used to represent each of PCM sample + * values of the luma component + * @pcm_sample_bit_depth_chroma_minus1: this value plus 1 specifies the number + * of bits used to represent each of PCM + * sample values of the chroma components + * @log2_min_pcm_luma_coding_block_size_minus3: this value plus 3 specifies the + * minimum size of coding blocks + * @log2_diff_max_min_pcm_luma_coding_block_size: specifies the difference between + * the maximum and minimum size of + * coding blocks + * @num_short_term_ref_pic_sets: specifies the number of st_ref_pic_set() + * syntax structures included in the SPS + * @num_long_term_ref_pics_sps: specifies the number of candidate long-term + * reference pictures that are specified in the SPS + * @chroma_format_idc: specifies the chroma sampling + * @sps_max_sub_layers_minus1: this value plus 1 specifies the maximum number + * of temporal sub-layers + * @reserved: padding field. Should be zeroed by applications. + * @flags: see V4L2_HEVC_SPS_FLAG_{} + */ +struct v4l2_ctrl_hevc_sps { + __u8 video_parameter_set_id; + __u8 seq_parameter_set_id; + __u16 pic_width_in_luma_samples; + __u16 pic_height_in_luma_samples; + __u8 bit_depth_luma_minus8; + __u8 bit_depth_chroma_minus8; + __u8 log2_max_pic_order_cnt_lsb_minus4; + __u8 sps_max_dec_pic_buffering_minus1; + __u8 sps_max_num_reorder_pics; + __u8 sps_max_latency_increase_plus1; + __u8 log2_min_luma_coding_block_size_minus3; + __u8 log2_diff_max_min_luma_coding_block_size; + __u8 log2_min_luma_transform_block_size_minus2; + __u8 log2_diff_max_min_luma_transform_block_size; + __u8 max_transform_hierarchy_depth_inter; + __u8 max_transform_hierarchy_depth_intra; + __u8 pcm_sample_bit_depth_luma_minus1; + __u8 pcm_sample_bit_depth_chroma_minus1; + __u8 log2_min_pcm_luma_coding_block_size_minus3; + __u8 log2_diff_max_min_pcm_luma_coding_block_size; + __u8 num_short_term_ref_pic_sets; + __u8 num_long_term_ref_pics_sps; + __u8 chroma_format_idc; + __u8 sps_max_sub_layers_minus1; + + __u8 reserved[6]; + __u64 flags; +}; + +#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED (1ULL << 0) +#define V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT (1ULL << 1) +#define V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED (1ULL << 2) +#define V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT (1ULL << 3) +#define V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED (1ULL << 4) +#define V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED (1ULL << 5) +#define V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED (1ULL << 6) +#define V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT (1ULL << 7) +#define V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED (1ULL << 8) +#define V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED (1ULL << 9) +#define V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED (1ULL << 10) +#define V4L2_HEVC_PPS_FLAG_TILES_ENABLED (1ULL << 11) +#define V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED (1ULL << 12) +#define V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED (1ULL << 13) +#define V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 14) +#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED (1ULL << 15) +#define V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER (1ULL << 16) +#define V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT (1ULL << 17) +#define V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT (1ULL << 18) +#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT (1ULL << 19) +#define V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING (1ULL << 20) + +/** + * struct v4l2_ctrl_hevc_pps - ITU-T Rec. H.265: Picture parameter set + * + * @pic_parameter_set_id: identifies the PPS for reference by other + * syntax elements + * @num_extra_slice_header_bits: specifies the number of extra slice header + * bits that are present in the slice header RBSP + * for coded pictures referring to the PPS. + * @num_ref_idx_l0_default_active_minus1: this value plus 1 specifies the + * inferred value of num_ref_idx_l0_active_minus1 + * @num_ref_idx_l1_default_active_minus1: this value plus 1 specifies the + * inferred value of num_ref_idx_l1_active_minus1 + * @init_qp_minus26: this value plus 26 specifies the initial value of SliceQp Y for + * each slice referring to the PPS + * @diff_cu_qp_delta_depth: specifies the difference between the luma coding + * tree block size and the minimum luma coding block + * size of coding units that convey cu_qp_delta_abs + * and cu_qp_delta_sign_flag + * @pps_cb_qp_offset: specify the offsets to the luma quantization parameter Cb + * @pps_cr_qp_offset: specify the offsets to the luma quantization parameter Cr + * @num_tile_columns_minus1: this value plus 1 specifies the number of tile columns + * partitioning the picture + * @num_tile_rows_minus1: this value plus 1 specifies the number of tile rows partitioning + * the picture + * @column_width_minus1: this value plus 1 specifies the width of the each tile column in + * units of coding tree blocks + * @row_height_minus1: this value plus 1 specifies the height of the each tile row in + * units of coding tree blocks + * @pps_beta_offset_div2: specify the default deblocking parameter offsets for + * beta divided by 2 + * @pps_tc_offset_div2: specify the default deblocking parameter offsets for tC + * divided by 2 + * @log2_parallel_merge_level_minus2: this value plus 2 specifies the value of + * the variable Log2ParMrgLevel + * @reserved: padding field. Should be zeroed by applications. + * @flags: see V4L2_HEVC_PPS_FLAG_{} + */ +struct v4l2_ctrl_hevc_pps { + __u8 pic_parameter_set_id; + __u8 num_extra_slice_header_bits; + __u8 num_ref_idx_l0_default_active_minus1; + __u8 num_ref_idx_l1_default_active_minus1; + __s8 init_qp_minus26; + __u8 diff_cu_qp_delta_depth; + __s8 pps_cb_qp_offset; + __s8 pps_cr_qp_offset; + __u8 num_tile_columns_minus1; + __u8 num_tile_rows_minus1; + __u8 column_width_minus1[20]; + __u8 row_height_minus1[22]; + __s8 pps_beta_offset_div2; + __s8 pps_tc_offset_div2; + __u8 log2_parallel_merge_level_minus2; + __u8 reserved; + __u64 flags; +}; + +#define V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE 0x01 + +#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME 0 +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD 1 +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD 2 +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM 3 +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP 4 +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP 5 +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM 6 +#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING 7 +#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING 8 +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM 9 +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP 10 +#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM 11 +#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP 12 + +#define V4L2_HEVC_DPB_ENTRIES_NUM_MAX 16 + +/** + * struct v4l2_hevc_dpb_entry - HEVC decoded picture buffer entry + * + * @timestamp: timestamp of the V4L2 capture buffer to use as reference. + * @flags: long term flag for the reference frame + * @field_pic: whether the reference is a field picture or a frame. + * @reserved: padding field. Should be zeroed by applications. + * @pic_order_cnt_val: the picture order count of the current picture. + */ +struct v4l2_hevc_dpb_entry { + __u64 timestamp; + __u8 flags; + __u8 field_pic; + __u16 reserved; + __s32 pic_order_cnt_val; +}; + +/** + * struct v4l2_hevc_pred_weight_table - HEVC weighted prediction parameters + * + * @delta_luma_weight_l0: the difference of the weighting factor applied + * to the luma prediction value for list 0 + * @luma_offset_l0: the additive offset applied to the luma prediction value + * for list 0 + * @delta_chroma_weight_l0: the difference of the weighting factor applied + * to the chroma prediction values for list 0 + * @chroma_offset_l0: the difference of the additive offset applied to + * the chroma prediction values for list 0 + * @delta_luma_weight_l1: the difference of the weighting factor applied + * to the luma prediction value for list 1 + * @luma_offset_l1: the additive offset applied to the luma prediction value + * for list 1 + * @delta_chroma_weight_l1: the difference of the weighting factor applied + * to the chroma prediction values for list 1 + * @chroma_offset_l1: the difference of the additive offset applied to + * the chroma prediction values for list 1 + * @luma_log2_weight_denom: the base 2 logarithm of the denominator for + * all luma weighting factors + * @delta_chroma_log2_weight_denom: the difference of the base 2 logarithm + * of the denominator for all chroma + * weighting factors + */ +struct v4l2_hevc_pred_weight_table { + __s8 delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __s8 luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __s8 delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; + __s8 chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; + + __s8 delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __s8 luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __s8 delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; + __s8 chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; + + __u8 luma_log2_weight_denom; + __s8 delta_chroma_log2_weight_denom; +}; + +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA (1ULL << 0) +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA (1ULL << 1) +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED (1ULL << 2) +#define V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO (1ULL << 3) +#define V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT (1ULL << 4) +#define V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0 (1ULL << 5) +#define V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV (1ULL << 6) +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED (1ULL << 7) +#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 8) +#define V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT (1ULL << 9) + +/** + * struct v4l2_ctrl_hevc_slice_params - HEVC slice parameters + * + * This control is a dynamically sized 1-dimensional array, + * V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it. + * + * @bit_size: size (in bits) of the current slice data + * @data_byte_offset: offset (in bytes) to the video data in the current slice data + * @num_entry_point_offsets: specifies the number of entry point offset syntax + * elements in the slice header. + * @nal_unit_type: specifies the coding type of the slice (B, P or I) + * @nuh_temporal_id_plus1: minus 1 specifies a temporal identifier for the NAL unit + * @slice_type: see V4L2_HEVC_SLICE_TYPE_{} + * @colour_plane_id: specifies the colour plane associated with the current slice + * @slice_pic_order_cnt: specifies the picture order count + * @num_ref_idx_l0_active_minus1: this value plus 1 specifies the maximum + * reference index for reference picture list 0 + * that may be used to decode the slice + * @num_ref_idx_l1_active_minus1: this value plus 1 specifies the maximum + * reference index for reference picture list 1 + * that may be used to decode the slice + * @collocated_ref_idx: specifies the reference index of the collocated picture used + * for temporal motion vector prediction + * @five_minus_max_num_merge_cand: specifies the maximum number of merging + * motion vector prediction candidates supported in + * the slice subtracted from 5 + * @slice_qp_delta: specifies the initial value of QpY to be used for the coding + * blocks in the slice + * @slice_cb_qp_offset: specifies a difference to be added to the value of pps_cb_qp_offset + * @slice_cr_qp_offset: specifies a difference to be added to the value of pps_cr_qp_offset + * @slice_act_y_qp_offset: screen content extension parameters + * @slice_act_cb_qp_offset: screen content extension parameters + * @slice_act_cr_qp_offset: screen content extension parameters + * @slice_beta_offset_div2: specify the deblocking parameter offsets for beta divided by 2 + * @slice_tc_offset_div2: specify the deblocking parameter offsets for tC divided by 2 + * @pic_struct: indicates whether a picture should be displayed as a frame or as one or + * more fields + * @reserved0: padding field. Should be zeroed by applications. + * @slice_segment_addr: specifies the address of the first coding tree block in + * the slice segment + * @ref_idx_l0: the list of L0 reference elements as indices in the DPB + * @ref_idx_l1: the list of L1 reference elements as indices in the DPB + * @short_term_ref_pic_set_size: specifies the size of short-term reference + * pictures set included in the SPS + * @long_term_ref_pic_set_size: specifies the size of long-term reference + * pictures set include in the SPS + * @pred_weight_table: the prediction weight coefficients for inter-picture + * prediction + * @reserved1: padding field. Should be zeroed by applications. + * @flags: see V4L2_HEVC_SLICE_PARAMS_FLAG_{} + */ +struct v4l2_ctrl_hevc_slice_params { + __u32 bit_size; + __u32 data_byte_offset; + __u32 num_entry_point_offsets; + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */ + __u8 nal_unit_type; + __u8 nuh_temporal_id_plus1; + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ + __u8 slice_type; + __u8 colour_plane_id; + __s32 slice_pic_order_cnt; + __u8 num_ref_idx_l0_active_minus1; + __u8 num_ref_idx_l1_active_minus1; + __u8 collocated_ref_idx; + __u8 five_minus_max_num_merge_cand; + __s8 slice_qp_delta; + __s8 slice_cb_qp_offset; + __s8 slice_cr_qp_offset; + __s8 slice_act_y_qp_offset; + __s8 slice_act_cb_qp_offset; + __s8 slice_act_cr_qp_offset; + __s8 slice_beta_offset_div2; + __s8 slice_tc_offset_div2; + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */ + __u8 pic_struct; + + __u8 reserved0[3]; + /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ + __u32 slice_segment_addr; + __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __u16 short_term_ref_pic_set_size; + __u16 long_term_ref_pic_set_size; + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ + struct v4l2_hevc_pred_weight_table pred_weight_table; + + __u8 reserved1[2]; + __u64 flags; +}; + +#define V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC 0x1 +#define V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC 0x2 +#define V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR 0x4 + +/** + * struct v4l2_ctrl_hevc_decode_params - HEVC decode parameters + * + * @pic_order_cnt_val: picture order count + * @short_term_ref_pic_set_size: specifies the size of short-term reference + * pictures set included in the SPS of the first slice + * @long_term_ref_pic_set_size: specifies the size of long-term reference + * pictures set include in the SPS of the first slice + * @num_active_dpb_entries: the number of entries in dpb + * @num_poc_st_curr_before: the number of reference pictures in the short-term + * set that come before the current frame + * @num_poc_st_curr_after: the number of reference pictures in the short-term + * set that come after the current frame + * @num_poc_lt_curr: the number of reference pictures in the long-term set + * @poc_st_curr_before: provides the index of the short term before references + * in DPB array + * @poc_st_curr_after: provides the index of the short term after references + * in DPB array + * @poc_lt_curr: provides the index of the long term references in DPB array + * @reserved: padding field. Should be zeroed by applications. + * @dpb: the decoded picture buffer, for meta-data about reference frames + * @flags: see V4L2_HEVC_DECODE_PARAM_FLAG_{} + */ +struct v4l2_ctrl_hevc_decode_params { + __s32 pic_order_cnt_val; + __u16 short_term_ref_pic_set_size; + __u16 long_term_ref_pic_set_size; + __u8 num_active_dpb_entries; + __u8 num_poc_st_curr_before; + __u8 num_poc_st_curr_after; + __u8 num_poc_lt_curr; + __u8 poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __u8 poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __u8 poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __u8 reserved[4]; + struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; + __u64 flags; +}; + +/** + * struct v4l2_ctrl_hevc_scaling_matrix - HEVC scaling lists parameters + * + * @scaling_list_4x4: scaling list is used for the scaling process for + * transform coefficients. The values on each scaling + * list are expected in raster scan order + * @scaling_list_8x8: scaling list is used for the scaling process for + * transform coefficients. The values on each scaling + * list are expected in raster scan order + * @scaling_list_16x16: scaling list is used for the scaling process for + * transform coefficients. The values on each scaling + * list are expected in raster scan order + * @scaling_list_32x32: scaling list is used for the scaling process for + * transform coefficients. The values on each scaling + * list are expected in raster scan order + * @scaling_list_dc_coef_16x16: scaling list is used for the scaling process + * for transform coefficients. The values on each + * scaling list are expected in raster scan order. + * @scaling_list_dc_coef_32x32: scaling list is used for the scaling process + * for transform coefficients. The values on each + * scaling list are expected in raster scan order. + */ +struct v4l2_ctrl_hevc_scaling_matrix { + __u8 scaling_list_4x4[6][16]; + __u8 scaling_list_8x8[6][64]; + __u8 scaling_list_16x16[6][64]; + __u8 scaling_list_32x32[2][64]; + __u8 scaling_list_dc_coef_16x16[6]; + __u8 scaling_list_dc_coef_32x32[2]; +}; + #define V4L2_CID_COLORIMETRY_CLASS_BASE (V4L2_CTRL_CLASS_COLORIMETRY | 0x900) #define V4L2_CID_COLORIMETRY_CLASS (V4L2_CTRL_CLASS_COLORIMETRY | 1) diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index e0d19a6b5bc7..5a73b92ffe4d 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -1769,6 +1769,11 @@ struct v4l2_ext_control { struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs; struct v4l2_ctrl_vp9_frame __user *p_vp9_frame; + struct v4l2_ctrl_hevc_sps __user *p_hevc_sps; + struct v4l2_ctrl_hevc_pps __user *p_hevc_pps; + struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params; + struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix; + struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params; void __user *ptr; }; } __attribute__ ((packed));