| Message ID | 20220407152940.738159-18-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Move HEVC stateless controls out of staging | expand |
Hey Benjamin, On 07.04.2022 17:29, 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 reviewed so it is time to make it 'public' by s/has reviewed/has been reviewed/ >un-staging it. I was unable to apply this patch and had to make some changes, I reply to this message with my version. Greetings, Sebastian > >Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> >--- > .../media/v4l/ext-ctrls-codec-stateless.rst | 882 +++++++++++++++++ > .../media/v4l/ext-ctrls-codec.rst | 888 ------------------ > .../media/v4l/pixfmt-compressed.rst | 2 +- > .../media/v4l/vidioc-g-ext-ctrls.rst | 20 + > include/media/hevc-ctrls.h | 465 --------- > include/media/v4l2-ctrls.h | 6 - > include/uapi/linux/v4l2-controls.h | 448 +++++++++ > include/uapi/linux/videodev2.h | 5 + > 8 files changed, 1356 insertions(+), 1360 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 6541e4c32b26..31560af6a797 100644 >--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst >+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst >@@ -2042,3 +2042,885 @@ 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 descibed 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 descibed 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`` >+ - Specifies the bit depth of the samples of the luma array. >+ * - __u8 >+ - ``bit_depth_chroma_minus8`` >+ - 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`` >+ - Plus 1 specifies the maximum required size of the decoded picture buffer for >+ the CVS >+ * - __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[i]. >+ * - __u8 >+ - ``log2_min_luma_coding_block_size_minus3`` >+ - 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`` >+ - 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`` >+ - 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`` >+ - 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`` >+ - Specifies the inferred value of num_ref_idx_l0_active_minus1 >+ * - __u8 >+ - ``num_ref_idx_l1_default_active_minus1`` >+ - Specifies the inferred value of num_ref_idx_l1_active_minus1 >+ * - __s8 >+ - ``init_qp_minus26`` >+ - 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`` >+ - Plus 1 specifies the number of tile columns partitioning the picture. >+ * - __u8 >+ - ``num_tile_rows_minus1`` >+ - Plus 1 specifies the number of tile rows partitioning the picture. >+ * - __u8 >+ - ``column_width_minus1[20]`` >+ - Plus 1 specifies the width of the i-th tile column in units of >+ coding tree blocks. >+ * - __u8 >+ - ``row_height_minus1[22]`` >+ - 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`` >+ - 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. >+ * - __u16 >+ - ``slice_pic_order_cnt`` >+ - Specifies the picture order count. >+ * - __u8 >+ - ``num_ref_idx_l0_active_minus1`` >+ - 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`` >+ - 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 of short-term reference pictures set included in the SPS. >+ * - __u16 >+ - ``long_term_ref_pic_set_size`` >+ - Specifies the size of long-term reference pictures set include in the SPS. >+ * - __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. >+ * - __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 48b3f533bc17..25d6a79dd04b 100644 >--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst >+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst >@@ -2636,891 +2636,3 @@ 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 descibed 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 descibed 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`` >- - Specifies the bit depth of the samples of the luma array. >- * - __u8 >- - ``bit_depth_chroma_minus8`` >- - 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`` >- - Plus 1 specifies the maximum required size of the decoded picture buffer for >- the CVS >- * - __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[i]. >- * - __u8 >- - ``log2_min_luma_coding_block_size_minus3`` >- - 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`` >- - 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`` >- - 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`` >- - 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`` >- - Specifies the inferred value of num_ref_idx_l0_active_minus1 >- * - __u8 >- - ``num_ref_idx_l1_default_active_minus1`` >- - Specifies the inferred value of num_ref_idx_l1_active_minus1 >- * - __s8 >- - ``init_qp_minus26`` >- - 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`` >- - Plus 1 specifies the number of tile columns partitioning the picture. >- * - __u8 >- - ``num_tile_rows_minus1`` >- - Plus 1 specifies the number of tile rows partitioning the picture. >- * - __u8 >- - ``column_width_minus1[20]`` >- - Plus 1 specifies the width of the i-th tile column in units of >- coding tree blocks. >- * - __u8 >- - ``row_height_minus1[22]`` >- - 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`` >- - 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`` >- - 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. >- * - __u16 >- - ``slice_pic_order_cnt`` >- - Specifies the picture order count. >- * - __u8 >- - ``num_ref_idx_l0_active_minus1`` >- - 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`` >- - 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 of short-term reference pictures set included in the SPS. >- * - __u16 >- - ``long_term_ref_pic_set_size`` >- - Specifies the size of long-term reference pictures set include in the SPS. >- * - __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. >- * - __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 1834072c0a43..000000000000 >--- a/include/media/hevc-ctrls.h >+++ /dev/null >@@ -1,465 +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: specifies the bit depth of the samples of the >- * luma array >- * @bit_depth_chroma_minus8: specifies the bit depth of the samples of the >- * chroma arrays >- * @log2_max_pic_order_cnt_lsb_minus4: specifies the value of the variable >- * MaxPicOrderCntLsb >- * @sps_max_dec_pic_buffering_minus1: plus 1 specifies the maximum required >- * size of the decoded picture buffer for >- * the CVS >- * @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[i] >- * @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: specifies the number of bits used to >- * represent each of PCM sample values of the >- * luma component >- * @pcm_sample_bit_depth_chroma_minus1: 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: 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: speciefies 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: plus 1 specifies the maximum number of temporal >- * sub-layers >- * @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 padding[6]; >- __u64 flags; >- __u8 reserved[24]; >-}; >- >-#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: specifies the inferred value of >- * num_ref_idx_l0_active_minus1 >- * @num_ref_idx_l1_default_active_minus1: specifies the inferred value of >- * num_ref_idx_l1_active_minus1 >- * @init_qp_minus26: 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: plus 1 specifies the number of tile columns >- * partitioning the picture >- * @num_tile_rows_minus1: plus 1 specifies the number of tile rows partitioning >- * the picture >- * @column_width_minus1: plus 1 specifies the width of the i-th tile column in >- * units of coding tree blocks >- * @row_height_minus1: plus 1 specifies the height of the i-th 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: plus 2 specifies the value of the variable >- * Log2ParMrgLevel >- * @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 padding[9]; >- >- __u64 flags; >- __u8 reserved[56]; >-}; >- >-#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. >- * @pic_order_cnt_val: the picture order count of the reference. >- */ >-struct v4l2_hevc_dpb_entry { >- __u64 timestamp; >- __u8 flags; >- __u8 field_pic; >- __s32 pic_order_cnt_val; >- __u8 padding[2]; >-}; >- >-/** >- * 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) >- >-/** >- * 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: specifies the maximum reference index for >- * reference picture list 0 that may be used to decode >- * the slice >- * @num_ref_idx_l1_active_minus1: 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 >- * @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 >- * @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; >- __u16 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 reserved; >- /* 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[6]; >- __u64 flags; >- __u8 padding[40]; >-}; >- >-#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 >- * @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 >- * @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; >- __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]; >- 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 17c6df3e9c0b..d3521ae2296b 100644 >--- a/include/uapi/linux/v4l2-controls.h >+++ b/include/uapi/linux/v4l2-controls.h >@@ -1997,6 +1997,454 @@ 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: specifies the bit depth of the samples of the >+ * luma array >+ * @bit_depth_chroma_minus8: specifies the bit depth of the samples of the >+ * chroma arrays >+ * @log2_max_pic_order_cnt_lsb_minus4: specifies the value of the variable >+ * MaxPicOrderCntLsb >+ * @sps_max_dec_pic_buffering_minus1: plus 1 specifies the maximum required >+ * size of the decoded picture buffer for >+ * the CVS >+ * @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[i] >+ * @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: specifies the number of bits used to >+ * represent each of PCM sample values of the >+ * luma component >+ * @pcm_sample_bit_depth_chroma_minus1: 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: 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: plus 1 specifies the maximum number of temporal >+ * sub-layers >+ * @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 padding[6]; >+ __u64 flags; >+ __u8 reserved[24]; >+}; >+ >+#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: specifies the inferred value of >+ * num_ref_idx_l0_active_minus1 >+ * @num_ref_idx_l1_default_active_minus1: specifies the inferred value of >+ * num_ref_idx_l1_active_minus1 >+ * @init_qp_minus26: 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: plus 1 specifies the number of tile columns >+ * partitioning the picture >+ * @num_tile_rows_minus1: plus 1 specifies the number of tile rows partitioning >+ * the picture >+ * @column_width_minus1: plus 1 specifies the width of the i-th tile column in >+ * units of coding tree blocks >+ * @row_height_minus1: plus 1 specifies the height of the i-th 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: plus 2 specifies the value of the variable >+ * Log2ParMrgLevel >+ * @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 padding[9]; >+ >+ __u64 flags; >+ __u8 reserved[56]; >+}; >+ >+#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. >+ * @pic_order_cnt_val: the picture order count of the current picture. >+ */ >+struct v4l2_hevc_dpb_entry { >+ __u64 timestamp; >+ __u8 flags; >+ __u8 field_pic; >+ __s32 pic_order_cnt_val; >+ __u8 padding[2]; >+}; >+ >+/** >+ * 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) >+ >+/** >+ * 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: specifies the maximum reference index for reference >+ * picture list 0 that may be used to decode the slice >+ * @num_ref_idx_l1_active_minus1: 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 >+ * @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 >+ * @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; >+ __u16 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 reserved; >+ /* 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[6]; >+ __u64 flags; >+ __u8 padding[40]; >+}; >+ >+#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 >+ * @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 >+ * @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; >+ __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]; >+ 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 939775b145af..4c09969e7112 100644 >--- a/include/uapi/linux/videodev2.h >+++ b/include/uapi/linux/videodev2.h >@@ -1765,6 +1765,11 @@ 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 6541e4c32b26..31560af6a797 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst @@ -2042,3 +2042,885 @@ 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 descibed 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 descibed 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`` + - Specifies the bit depth of the samples of the luma array. + * - __u8 + - ``bit_depth_chroma_minus8`` + - 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`` + - Plus 1 specifies the maximum required size of the decoded picture buffer for + the CVS + * - __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[i]. + * - __u8 + - ``log2_min_luma_coding_block_size_minus3`` + - 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`` + - 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`` + - 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`` + - 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`` + - Specifies the inferred value of num_ref_idx_l0_active_minus1 + * - __u8 + - ``num_ref_idx_l1_default_active_minus1`` + - Specifies the inferred value of num_ref_idx_l1_active_minus1 + * - __s8 + - ``init_qp_minus26`` + - 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`` + - Plus 1 specifies the number of tile columns partitioning the picture. + * - __u8 + - ``num_tile_rows_minus1`` + - Plus 1 specifies the number of tile rows partitioning the picture. + * - __u8 + - ``column_width_minus1[20]`` + - Plus 1 specifies the width of the i-th tile column in units of + coding tree blocks. + * - __u8 + - ``row_height_minus1[22]`` + - 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`` + - 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. + * - __u16 + - ``slice_pic_order_cnt`` + - Specifies the picture order count. + * - __u8 + - ``num_ref_idx_l0_active_minus1`` + - 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`` + - 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 of short-term reference pictures set included in the SPS. + * - __u16 + - ``long_term_ref_pic_set_size`` + - Specifies the size of long-term reference pictures set include in the SPS. + * - __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. + * - __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 48b3f533bc17..25d6a79dd04b 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -2636,891 +2636,3 @@ 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 descibed 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 descibed 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`` - - Specifies the bit depth of the samples of the luma array. - * - __u8 - - ``bit_depth_chroma_minus8`` - - 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`` - - Plus 1 specifies the maximum required size of the decoded picture buffer for - the CVS - * - __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[i]. - * - __u8 - - ``log2_min_luma_coding_block_size_minus3`` - - 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`` - - 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`` - - 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`` - - 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`` - - Specifies the inferred value of num_ref_idx_l0_active_minus1 - * - __u8 - - ``num_ref_idx_l1_default_active_minus1`` - - Specifies the inferred value of num_ref_idx_l1_active_minus1 - * - __s8 - - ``init_qp_minus26`` - - 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`` - - Plus 1 specifies the number of tile columns partitioning the picture. - * - __u8 - - ``num_tile_rows_minus1`` - - Plus 1 specifies the number of tile rows partitioning the picture. - * - __u8 - - ``column_width_minus1[20]`` - - Plus 1 specifies the width of the i-th tile column in units of - coding tree blocks. - * - __u8 - - ``row_height_minus1[22]`` - - 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`` - - 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`` - - 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. - * - __u16 - - ``slice_pic_order_cnt`` - - Specifies the picture order count. - * - __u8 - - ``num_ref_idx_l0_active_minus1`` - - 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`` - - 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 of short-term reference pictures set included in the SPS. - * - __u16 - - ``long_term_ref_pic_set_size`` - - Specifies the size of long-term reference pictures set include in the SPS. - * - __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. - * - __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 1834072c0a43..000000000000 --- a/include/media/hevc-ctrls.h +++ /dev/null @@ -1,465 +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: specifies the bit depth of the samples of the - * luma array - * @bit_depth_chroma_minus8: specifies the bit depth of the samples of the - * chroma arrays - * @log2_max_pic_order_cnt_lsb_minus4: specifies the value of the variable - * MaxPicOrderCntLsb - * @sps_max_dec_pic_buffering_minus1: plus 1 specifies the maximum required - * size of the decoded picture buffer for - * the CVS - * @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[i] - * @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: specifies the number of bits used to - * represent each of PCM sample values of the - * luma component - * @pcm_sample_bit_depth_chroma_minus1: 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: 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: speciefies 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: plus 1 specifies the maximum number of temporal - * sub-layers - * @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 padding[6]; - __u64 flags; - __u8 reserved[24]; -}; - -#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: specifies the inferred value of - * num_ref_idx_l0_active_minus1 - * @num_ref_idx_l1_default_active_minus1: specifies the inferred value of - * num_ref_idx_l1_active_minus1 - * @init_qp_minus26: 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: plus 1 specifies the number of tile columns - * partitioning the picture - * @num_tile_rows_minus1: plus 1 specifies the number of tile rows partitioning - * the picture - * @column_width_minus1: plus 1 specifies the width of the i-th tile column in - * units of coding tree blocks - * @row_height_minus1: plus 1 specifies the height of the i-th 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: plus 2 specifies the value of the variable - * Log2ParMrgLevel - * @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 padding[9]; - - __u64 flags; - __u8 reserved[56]; -}; - -#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. - * @pic_order_cnt_val: the picture order count of the reference. - */ -struct v4l2_hevc_dpb_entry { - __u64 timestamp; - __u8 flags; - __u8 field_pic; - __s32 pic_order_cnt_val; - __u8 padding[2]; -}; - -/** - * 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) - -/** - * 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: specifies the maximum reference index for - * reference picture list 0 that may be used to decode - * the slice - * @num_ref_idx_l1_active_minus1: 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 - * @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 - * @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; - __u16 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 reserved; - /* 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[6]; - __u64 flags; - __u8 padding[40]; -}; - -#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 - * @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 - * @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; - __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]; - 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 17c6df3e9c0b..d3521ae2296b 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -1997,6 +1997,454 @@ 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: specifies the bit depth of the samples of the + * luma array + * @bit_depth_chroma_minus8: specifies the bit depth of the samples of the + * chroma arrays + * @log2_max_pic_order_cnt_lsb_minus4: specifies the value of the variable + * MaxPicOrderCntLsb + * @sps_max_dec_pic_buffering_minus1: plus 1 specifies the maximum required + * size of the decoded picture buffer for + * the CVS + * @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[i] + * @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: specifies the number of bits used to + * represent each of PCM sample values of the + * luma component + * @pcm_sample_bit_depth_chroma_minus1: 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: 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: plus 1 specifies the maximum number of temporal + * sub-layers + * @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 padding[6]; + __u64 flags; + __u8 reserved[24]; +}; + +#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: specifies the inferred value of + * num_ref_idx_l0_active_minus1 + * @num_ref_idx_l1_default_active_minus1: specifies the inferred value of + * num_ref_idx_l1_active_minus1 + * @init_qp_minus26: 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: plus 1 specifies the number of tile columns + * partitioning the picture + * @num_tile_rows_minus1: plus 1 specifies the number of tile rows partitioning + * the picture + * @column_width_minus1: plus 1 specifies the width of the i-th tile column in + * units of coding tree blocks + * @row_height_minus1: plus 1 specifies the height of the i-th 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: plus 2 specifies the value of the variable + * Log2ParMrgLevel + * @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 padding[9]; + + __u64 flags; + __u8 reserved[56]; +}; + +#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. + * @pic_order_cnt_val: the picture order count of the current picture. + */ +struct v4l2_hevc_dpb_entry { + __u64 timestamp; + __u8 flags; + __u8 field_pic; + __s32 pic_order_cnt_val; + __u8 padding[2]; +}; + +/** + * 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) + +/** + * 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: specifies the maximum reference index for reference + * picture list 0 that may be used to decode the slice + * @num_ref_idx_l1_active_minus1: 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 + * @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 + * @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; + __u16 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 reserved; + /* 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[6]; + __u64 flags; + __u8 padding[40]; +}; + +#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 + * @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 + * @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; + __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]; + 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 939775b145af..4c09969e7112 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -1765,6 +1765,11 @@ 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));
HEVC uAPI is used by 2 mainline drivers (Hantro, Cedrus) and at least 2 out-of-tree drivers (rkvdec, RPi). The uAPI has reviewed so it is time to make it 'public' by un-staging it. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> --- .../media/v4l/ext-ctrls-codec-stateless.rst | 882 +++++++++++++++++ .../media/v4l/ext-ctrls-codec.rst | 888 ------------------ .../media/v4l/pixfmt-compressed.rst | 2 +- .../media/v4l/vidioc-g-ext-ctrls.rst | 20 + include/media/hevc-ctrls.h | 465 --------- include/media/v4l2-ctrls.h | 6 - include/uapi/linux/v4l2-controls.h | 448 +++++++++ include/uapi/linux/videodev2.h | 5 + 8 files changed, 1356 insertions(+), 1360 deletions(-) delete mode 100644 include/media/hevc-ctrls.h