| Message ID | 20210715151223.656453-2-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add scaling lists support for HEVC | expand |
Dne četrtek, 15. julij 2021 ob 17:12:22 CEST je Benjamin Gaignard napisal(a): > HEVC scaling lists are used for the scaling process for transform > coefficients. > V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED has to set when they are > encoded in the bitstream. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> > --- > .../media/v4l/ext-ctrls-codec.rst | 57 +++++++++++++++++++ > .../media/v4l/vidioc-queryctrl.rst | 6 ++ > drivers/media/v4l2-core/v4l2-ctrls-core.c | 6 ++ > drivers/media/v4l2-core/v4l2-ctrls-defs.c | 4 ++ > include/media/hevc-ctrls.h | 11 ++++ > 5 files changed, 84 insertions(+) LGTM, this is dependency for Cedrus patches I sent some time ago. Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com> Best regards, Jernej
On Thu, 2021-07-15 at 17:12 +0200, Benjamin Gaignard wrote: > HEVC scaling lists are used for the scaling process for transform > coefficients. > V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED has to set when they are > encoded in the bitstream. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> The HEVC control structs have some holes that we should fix soon, but the scaling matrix struct looks good, so I think we can merge this one. Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com> Thanks, Ezequiel > --- > .../media/v4l/ext-ctrls-codec.rst | 57 +++++++++++++++++++ > .../media/v4l/vidioc-queryctrl.rst | 6 ++ > drivers/media/v4l2-core/v4l2-ctrls-core.c | 6 ++ > drivers/media/v4l2-core/v4l2-ctrls-defs.c | 4 ++ > include/media/hevc-ctrls.h | 11 ++++ > 5 files changed, 84 insertions(+) > > diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > index dc096a5562cd..ab3bda79b440 100644 > --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > @@ -3071,6 +3071,63 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - > > \normalsize > > +``V4L2_CID_MPEG_VIDEO_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 > diff --git a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst > index f9ecf6276129..2f491c17dd5d 100644 > --- a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst > +++ b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst > @@ -495,6 +495,12 @@ See also the examples in :ref:`control`. > - n/a > - A struct :c:type:`v4l2_ctrl_hevc_slice_params`, containing HEVC > slice parameters for stateless video decoders. > + * - ``V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX`` > + - n/a > + - n/a > + - n/a > + - A struct :c:type:`v4l2_ctrl_hevc_scaling_matrix`, containing HEVC > + scaling matrix for stateless video decoders. > * - ``V4L2_CTRL_TYPE_VP8_FRAME`` > - n/a > - n/a > diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c > index c4b5082849b6..70adfc1b9c81 100644 > --- a/drivers/media/v4l2-core/v4l2-ctrls-core.c > +++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c > @@ -687,6 +687,9 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, > > break; > > + case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX: > + break; > + > case V4L2_CTRL_TYPE_AREA: > area = p; > if (!area->width || !area->height) > @@ -1240,6 +1243,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, > case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS: > elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params); > break; > + case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX: > + elem_size = sizeof(struct v4l2_ctrl_hevc_scaling_matrix); > + break; > case V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS: > elem_size = sizeof(struct v4l2_ctrl_hevc_decode_params); > break; > diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c > index b6344bbf1e00..cb29c2a7fabe 100644 > --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c > +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c > @@ -996,6 +996,7 @@ const char *v4l2_ctrl_get_name(u32 id) > case V4L2_CID_MPEG_VIDEO_HEVC_SPS: return "HEVC Sequence Parameter Set"; > case V4L2_CID_MPEG_VIDEO_HEVC_PPS: return "HEVC Picture Parameter Set"; > case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: return "HEVC Slice Parameters"; > + case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX: return "HEVC Scaling Matrix"; > case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS: return "HEVC Decode Parameters"; > case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: return "HEVC Decode Mode"; > case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: return "HEVC Start Code"; > @@ -1488,6 +1489,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, > case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: > *type = V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS; > break; > + case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX: > + *type = V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX; > + break; > case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS: > *type = V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS; > break; > diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h > index 781371bff2ad..ef63bc205756 100644 > --- a/include/media/hevc-ctrls.h > +++ b/include/media/hevc-ctrls.h > @@ -19,6 +19,7 @@ > #define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_CODEC_BASE + 1008) > #define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_CODEC_BASE + 1009) > #define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_BASE + 1010) > +#define V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX (V4L2_CID_CODEC_BASE + 1011) > #define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS (V4L2_CID_CODEC_BASE + 1012) > #define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_CODEC_BASE + 1015) > #define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_CODEC_BASE + 1016) > @@ -27,6 +28,7 @@ > #define V4L2_CTRL_TYPE_HEVC_SPS 0x0120 > #define V4L2_CTRL_TYPE_HEVC_PPS 0x0121 > #define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122 > +#define V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX 0x0123 > #define V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS 0x0124 > > enum v4l2_mpeg_video_hevc_decode_mode { > @@ -225,6 +227,15 @@ struct v4l2_ctrl_hevc_decode_params { > __u64 flags; > }; > > +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]; > +}; > + > /* MPEG-class control IDs specific to the Hantro driver as defined by V4L2 */ > #define V4L2_CID_CODEC_HANTRO_BASE (V4L2_CTRL_CLASS_CODEC | 0x1200) > /*
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index dc096a5562cd..ab3bda79b440 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -3071,6 +3071,63 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - \normalsize +``V4L2_CID_MPEG_VIDEO_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 diff --git a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst index f9ecf6276129..2f491c17dd5d 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst @@ -495,6 +495,12 @@ See also the examples in :ref:`control`. - n/a - A struct :c:type:`v4l2_ctrl_hevc_slice_params`, containing HEVC slice parameters for stateless video decoders. + * - ``V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX`` + - n/a + - n/a + - n/a + - A struct :c:type:`v4l2_ctrl_hevc_scaling_matrix`, containing HEVC + scaling matrix for stateless video decoders. * - ``V4L2_CTRL_TYPE_VP8_FRAME`` - n/a - n/a diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c index c4b5082849b6..70adfc1b9c81 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-core.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c @@ -687,6 +687,9 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx, break; + case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX: + break; + case V4L2_CTRL_TYPE_AREA: area = p; if (!area->width || !area->height) @@ -1240,6 +1243,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS: elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params); break; + case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX: + elem_size = sizeof(struct v4l2_ctrl_hevc_scaling_matrix); + break; case V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS: elem_size = sizeof(struct v4l2_ctrl_hevc_decode_params); break; diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c index b6344bbf1e00..cb29c2a7fabe 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -996,6 +996,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_HEVC_SPS: return "HEVC Sequence Parameter Set"; case V4L2_CID_MPEG_VIDEO_HEVC_PPS: return "HEVC Picture Parameter Set"; case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: return "HEVC Slice Parameters"; + case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX: return "HEVC Scaling Matrix"; case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS: return "HEVC Decode Parameters"; case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: return "HEVC Decode Mode"; case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: return "HEVC Start Code"; @@ -1488,6 +1489,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: *type = V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS; break; + case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX: + *type = V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX; + break; case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS: *type = V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS; break; diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h index 781371bff2ad..ef63bc205756 100644 --- a/include/media/hevc-ctrls.h +++ b/include/media/hevc-ctrls.h @@ -19,6 +19,7 @@ #define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_CODEC_BASE + 1008) #define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_CODEC_BASE + 1009) #define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_BASE + 1010) +#define V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX (V4L2_CID_CODEC_BASE + 1011) #define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS (V4L2_CID_CODEC_BASE + 1012) #define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_CODEC_BASE + 1015) #define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_CODEC_BASE + 1016) @@ -27,6 +28,7 @@ #define V4L2_CTRL_TYPE_HEVC_SPS 0x0120 #define V4L2_CTRL_TYPE_HEVC_PPS 0x0121 #define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122 +#define V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX 0x0123 #define V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS 0x0124 enum v4l2_mpeg_video_hevc_decode_mode { @@ -225,6 +227,15 @@ struct v4l2_ctrl_hevc_decode_params { __u64 flags; }; +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]; +}; + /* MPEG-class control IDs specific to the Hantro driver as defined by V4L2 */ #define V4L2_CID_CODEC_HANTRO_BASE (V4L2_CTRL_CLASS_CODEC | 0x1200) /*
HEVC scaling lists are used for the scaling process for transform coefficients. V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED has to set when they are encoded in the bitstream. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> --- .../media/v4l/ext-ctrls-codec.rst | 57 +++++++++++++++++++ .../media/v4l/vidioc-queryctrl.rst | 6 ++ drivers/media/v4l2-core/v4l2-ctrls-core.c | 6 ++ drivers/media/v4l2-core/v4l2-ctrls-defs.c | 4 ++ include/media/hevc-ctrls.h | 11 ++++ 5 files changed, 84 insertions(+)