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Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0492-media-v4l-Add-definitions-for-HEVC-stateless-decodin.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0492-media-v4l-Add-definitions-for-HEVC-stateless-decodin.patch | 1093 |
1 files changed, 1093 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0492-media-v4l-Add-definitions-for-HEVC-stateless-decodin.patch b/target/linux/bcm27xx/patches-5.4/950-0492-media-v4l-Add-definitions-for-HEVC-stateless-decodin.patch new file mode 100644 index 0000000000..0fe0f8cea4 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0492-media-v4l-Add-definitions-for-HEVC-stateless-decodin.patch @@ -0,0 +1,1093 @@ +From 5f6c08984a6578201fe3a2394ccb0d3a30fdf027 Mon Sep 17 00:00:00 2001 +From: Paul Kocialkowski <paul.kocialkowski@bootlin.com> +Date: Tue, 22 Oct 2019 12:26:52 -0300 +Subject: [PATCH] media: v4l: Add definitions for HEVC stateless + decoding + +This introduces the required definitions for HEVC decoding support with +stateless VPUs. The controls associated to the HEVC slice format provide +the required meta-data for decoding slices extracted from the bitstream. + +They are not exported to the public V4L2 API since reworking this API +will likely be needed for covering various use-cases and new hardware. + +Multi-slice decoding is exposed as a valid decoding mode to match current +H.264 support but it is not yet implemented. + +The interface comes with the following limitations: +* No custom quantization matrices (scaling lists); +* Support for a single temporal layer only; +* No slice entry point offsets support; +* No conformance window support; +* No VUI parameters support; +* No support for SPS extensions: range, multilayer, 3d, scc, 4 bits; +* No support for PPS extensions: range, multilayer, 3d, scc, 4 bits. + +Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> +[hverkuil-cisco@xs4all.nl: use 1ULL in flags defines in hevc-ctrls.h] +Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> +Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> +--- + Documentation/media/uapi/v4l/biblio.rst | 9 + + .../media/uapi/v4l/ext-ctrls-codec.rst | 553 +++++++++++++++++- + .../media/uapi/v4l/vidioc-queryctrl.rst | 18 + + .../media/videodev2.h.rst.exceptions | 3 + + drivers/media/v4l2-core/v4l2-ctrls.c | 109 +++- + drivers/media/v4l2-core/v4l2-ioctl.c | 1 + + include/media/hevc-ctrls.h | 212 +++++++ + include/media/v4l2-ctrls.h | 7 + + 8 files changed, 908 insertions(+), 4 deletions(-) + create mode 100644 include/media/hevc-ctrls.h + +--- a/Documentation/media/uapi/v4l/biblio.rst ++++ b/Documentation/media/uapi/v4l/biblio.rst +@@ -131,6 +131,15 @@ ITU-T Rec. H.264 Specification (04/2017 + + :author: International Telecommunication Union (http://www.itu.ch) + ++.. _hevc: ++ ++ITU H.265/HEVC ++============== ++ ++:title: ITU-T Rec. H.265 | ISO/IEC 23008-2 "High Efficiency Video Coding" ++ ++:author: International Telecommunication Union (http://www.itu.ch), International Organisation for Standardisation (http://www.iso.ch) ++ + .. _jfif: + + JFIF +--- a/Documentation/media/uapi/v4l/ext-ctrls-codec.rst ++++ b/Documentation/media/uapi/v4l/ext-ctrls-codec.rst +@@ -1983,9 +1983,9 @@ enum v4l2_mpeg_video_h264_hierarchical_c + - ``reference_ts`` + - 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. ++ ``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. + * - __u16 + - ``frame_num`` + - +@@ -3693,3 +3693,550 @@ enum v4l2_mpeg_video_hevc_size_of_length + 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_MPEG_VIDEO_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 ++ ++.. cssclass:: longtable ++ ++.. flat-table:: struct v4l2_ctrl_hevc_sps ++ :header-rows: 0 ++ :stub-columns: 0 ++ :widths: 1 1 2 ++ ++ * - __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`` ++ - ++ * - __u64 ++ - ``flags`` ++ - See :ref:`Sequence Parameter Set Flags <hevc_sps_flags>` ++ ++.. _hevc_sps_flags: ++ ++``Sequence Parameter Set Flags`` ++ ++.. 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 ++ - ++ ++``V4L2_CID_MPEG_VIDEO_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 ++ ++.. cssclass:: longtable ++ ++.. flat-table:: struct v4l2_ctrl_hevc_pps ++ :header-rows: 0 ++ :stub-columns: 0 ++ :widths: 1 1 2 ++ ++ * - __u8 ++ - ``num_extra_slice_header_bits`` ++ - ++ * - __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[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`` ++ ++.. cssclass:: longtable ++ ++.. flat-table:: ++ :header-rows: 0 ++ :stub-columns: 0 ++ :widths: 1 1 2 ++ ++ * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT`` ++ - 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_CID_MPEG_VIDEO_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. ++ ++.. c:type:: v4l2_ctrl_hevc_slice_params ++ ++.. 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_bit_offset`` ++ - Offset (in bits) to the video data in the current slice data. ++ * - __u8 ++ - ``nal_unit_type`` ++ - ++ * - __u8 ++ - ``nuh_temporal_id_plus1`` ++ - ++ * - __u8 ++ - ``slice_type`` ++ - ++ (V4L2_HEVC_SLICE_TYPE_I, V4L2_HEVC_SLICE_TYPE_P or ++ V4L2_HEVC_SLICE_TYPE_B). ++ * - __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`` ++ - ++ * - __u8 ++ - ``pic_struct`` ++ - ++ * - __u8 ++ - ``num_active_dpb_entries`` ++ - The number of entries in ``dpb``. ++ * - __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. ++ * - __u8 ++ - ``num_rps_poc_st_curr_before`` ++ - The number of reference pictures in the short-term set that come before ++ the current frame. ++ * - __u8 ++ - ``num_rps_poc_st_curr_after`` ++ - The number of reference pictures in the short-term set that come after ++ the current frame. ++ * - __u8 ++ - ``num_rps_poc_lt_curr`` ++ - The number of reference pictures in the long-term set. ++ * - __u8 ++ - ``padding[7]`` ++ - Applications and drivers must set this to zero. ++ * - struct :c:type:`v4l2_hevc_dpb_entry` ++ - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]`` ++ - The decoded picture buffer, for meta-data about reference frames. ++ * - 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>` ++ ++.. _hevc_slice_params_flags: ++ ++``Slice Parameters Flags`` ++ ++.. cssclass:: longtable ++ ++.. 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 ++ - ++ ++.. c:type:: v4l2_hevc_dpb_entry ++ ++.. cssclass:: longtable ++ ++.. 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 ++ - ``rps`` ++ - The reference set for the reference frame ++ (V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_BEFORE, ++ V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_AFTER or ++ V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR) ++ * - __u8 ++ - ``field_pic`` ++ - Whether the reference is a field picture or a frame. ++ * - __u16 ++ - ``pic_order_cnt[2]`` ++ - The picture order count of the reference. Only the first element of the ++ array is used for frame pictures, while the first element identifies the ++ top field and the second the bottom field in field-coded pictures. ++ * - __u8 ++ - ``padding[2]`` ++ - Applications and drivers must set this to zero. ++ ++.. c:type:: v4l2_hevc_pred_weight_table ++ ++.. cssclass:: longtable ++ ++.. flat-table:: struct v4l2_hevc_pred_weight_table ++ :header-rows: 0 ++ :stub-columns: 0 ++ :widths: 1 1 2 ++ ++ * - __u8 ++ - ``luma_log2_weight_denom`` ++ - ++ * - __s8 ++ - ``delta_chroma_log2_weight_denom`` ++ - ++ * - __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 ++ - ``padding[6]`` ++ - Applications and drivers must set this to zero. ++ ++``V4L2_CID_MPEG_VIDEO_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_mpeg_video_hevc_decode_mode ++ ++.. cssclass:: longtable ++ ++.. flat-table:: ++ :header-rows: 0 ++ :stub-columns: 0 ++ :widths: 1 1 2 ++ ++ * - ``V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED`` ++ - 0 ++ - Decoding is done at the slice granularity. ++ The OUTPUT buffer must contain a single slice. ++ * - ``V4L2_MPEG_VIDEO_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. ++ ++``V4L2_CID_MPEG_VIDEO_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_mpeg_video_hevc_start_code ++ ++.. cssclass:: longtable ++ ++.. flat-table:: ++ :header-rows: 0 ++ :stub-columns: 0 ++ :widths: 1 1 2 ++ ++ * - ``V4L2_MPEG_VIDEO_HEVC_START_CODE_NONE`` ++ - 0 ++ - Selecting this value specifies that HEVC slices are passed ++ to the driver without any start code. ++ * - ``V4L2_MPEG_VIDEO_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. +--- a/Documentation/media/uapi/v4l/vidioc-queryctrl.rst ++++ b/Documentation/media/uapi/v4l/vidioc-queryctrl.rst +@@ -479,6 +479,24 @@ See also the examples in :ref:`control`. + - n/a + - A struct :c:type:`v4l2_ctrl_h264_decode_params`, containing H264 + decode parameters for stateless video decoders. ++ * - ``V4L2_CTRL_TYPE_HEVC_SPS`` ++ - n/a ++ - n/a ++ - n/a ++ - A struct :c:type:`v4l2_ctrl_hevc_sps`, containing HEVC Sequence ++ Parameter Set for stateless video decoders. ++ * - ``V4L2_CTRL_TYPE_HEVC_PPS`` ++ - n/a ++ - n/a ++ - n/a ++ - A struct :c:type:`v4l2_ctrl_hevc_pps`, containing HEVC Picture ++ Parameter Set for stateless video decoders. ++ * - ``V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS`` ++ - n/a ++ - n/a ++ - n/a ++ - A struct :c:type:`v4l2_ctrl_hevc_slice_params`, containing HEVC ++ slice parameters for stateless video decoders. + + .. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| + +--- a/Documentation/media/videodev2.h.rst.exceptions ++++ b/Documentation/media/videodev2.h.rst.exceptions +@@ -141,6 +141,9 @@ replace symbol V4L2_CTRL_TYPE_H264_PPS : + replace symbol V4L2_CTRL_TYPE_H264_SCALING_MATRIX :c:type:`v4l2_ctrl_type` + replace symbol V4L2_CTRL_TYPE_H264_SLICE_PARAMS :c:type:`v4l2_ctrl_type` + replace symbol V4L2_CTRL_TYPE_H264_DECODE_PARAMS :c:type:`v4l2_ctrl_type` ++replace symbol V4L2_CTRL_TYPE_HEVC_SPS :c:type:`v4l2_ctrl_type` ++replace symbol V4L2_CTRL_TYPE_HEVC_PPS :c:type:`v4l2_ctrl_type` ++replace symbol V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS :c:type:`v4l2_ctrl_type` + replace symbol V4L2_CTRL_TYPE_AREA :c:type:`v4l2_ctrl_type` + + # V4L2 capability defines +--- a/drivers/media/v4l2-core/v4l2-ctrls.c ++++ b/drivers/media/v4l2-core/v4l2-ctrls.c +@@ -567,6 +567,16 @@ const char * const *v4l2_ctrl_get_menu(u + "Disabled at slice boundary", + "NULL", + }; ++ static const char * const hevc_decode_mode[] = { ++ "Slice-Based", ++ "Frame-Based", ++ NULL, ++ }; ++ static const char * const hevc_start_code[] = { ++ "No Start Code", ++ "Annex B Start Code", ++ NULL, ++ }; + + switch (id) { + case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: +@@ -688,7 +698,10 @@ const char * const *v4l2_ctrl_get_menu(u + return hevc_tier; + case V4L2_CID_MPEG_VIDEO_HEVC_LOOP_FILTER_MODE: + return hevc_loop_filter_mode; +- ++ case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: ++ return hevc_decode_mode; ++ case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: ++ return hevc_start_code; + default: + return NULL; + } +@@ -958,6 +971,11 @@ const char *v4l2_ctrl_get_name(u32 id) + case V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD: return "HEVC Size of Length Field"; + case V4L2_CID_MPEG_VIDEO_REF_NUMBER_FOR_PFRAMES: return "Reference Frames for a P-Frame"; + case V4L2_CID_MPEG_VIDEO_PREPEND_SPSPPS_TO_IDR: return "Prepend SPS and PPS to IDR"; ++ 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_DECODE_MODE: return "HEVC Decode Mode"; ++ case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: return "HEVC Start Code"; + + /* CAMERA controls */ + /* Keep the order of the 'case's the same as in v4l2-controls.h! */ +@@ -1267,6 +1285,8 @@ void v4l2_ctrl_fill(u32 id, const char * + case V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD: + case V4L2_CID_MPEG_VIDEO_HEVC_TIER: + case V4L2_CID_MPEG_VIDEO_HEVC_LOOP_FILTER_MODE: ++ case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: ++ case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: + *type = V4L2_CTRL_TYPE_MENU; + break; + case V4L2_CID_LINK_FREQ: +@@ -1377,6 +1397,15 @@ void v4l2_ctrl_fill(u32 id, const char * + case V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER: + *type = V4L2_CTRL_TYPE_VP8_FRAME_HEADER; + break; ++ case V4L2_CID_MPEG_VIDEO_HEVC_SPS: ++ *type = V4L2_CTRL_TYPE_HEVC_SPS; ++ break; ++ case V4L2_CID_MPEG_VIDEO_HEVC_PPS: ++ *type = V4L2_CTRL_TYPE_HEVC_PPS; ++ break; ++ case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: ++ *type = V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS; ++ break; + case V4L2_CID_UNIT_CELL_SIZE: + *type = V4L2_CTRL_TYPE_AREA; + *flags |= V4L2_CTRL_FLAG_READ_ONLY; +@@ -1678,8 +1707,12 @@ static int std_validate_compound(const s + { + struct v4l2_ctrl_mpeg2_slice_params *p_mpeg2_slice_params; + struct v4l2_ctrl_vp8_frame_header *p_vp8_frame_header; ++ struct v4l2_ctrl_hevc_sps *p_hevc_sps; ++ struct v4l2_ctrl_hevc_pps *p_hevc_pps; ++ struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params; + struct v4l2_area *area; + void *p = ptr.p + idx * ctrl->elem_size; ++ unsigned int i; + + switch ((u32)ctrl->type) { + case V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS: +@@ -1755,11 +1788,76 @@ static int std_validate_compound(const s + zero_padding(p_vp8_frame_header->entropy_header); + zero_padding(p_vp8_frame_header->coder_state); + break; ++ ++ case V4L2_CTRL_TYPE_HEVC_SPS: ++ p_hevc_sps = p; ++ ++ if (!(p_hevc_sps->flags & V4L2_HEVC_SPS_FLAG_PCM_ENABLED)) { ++ p_hevc_sps->pcm_sample_bit_depth_luma_minus1 = 0; ++ p_hevc_sps->pcm_sample_bit_depth_chroma_minus1 = 0; ++ p_hevc_sps->log2_min_pcm_luma_coding_block_size_minus3 = 0; ++ p_hevc_sps->log2_diff_max_min_pcm_luma_coding_block_size = 0; ++ } ++ ++ if (!(p_hevc_sps->flags & ++ V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT)) ++ p_hevc_sps->num_long_term_ref_pics_sps = 0; ++ break; ++ ++ case V4L2_CTRL_TYPE_HEVC_PPS: ++ p_hevc_pps = p; ++ ++ if (!(p_hevc_pps->flags & ++ V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED)) ++ p_hevc_pps->diff_cu_qp_delta_depth = 0; ++ ++ if (!(p_hevc_pps->flags & V4L2_HEVC_PPS_FLAG_TILES_ENABLED)) { ++ p_hevc_pps->num_tile_columns_minus1 = 0; ++ p_hevc_pps->num_tile_rows_minus1 = 0; ++ memset(&p_hevc_pps->column_width_minus1, 0, ++ sizeof(p_hevc_pps->column_width_minus1)); ++ memset(&p_hevc_pps->row_height_minus1, 0, ++ sizeof(p_hevc_pps->row_height_minus1)); ++ ++ p_hevc_pps->flags &= ++ ~V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED; ++ } ++ ++ if (p_hevc_pps->flags & ++ V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER) { ++ p_hevc_pps->pps_beta_offset_div2 = 0; ++ p_hevc_pps->pps_tc_offset_div2 = 0; ++ } ++ ++ zero_padding(*p_hevc_pps); ++ break; ++ ++ case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS: ++ p_hevc_slice_params = p; ++ ++ if (p_hevc_slice_params->num_active_dpb_entries > ++ V4L2_HEVC_DPB_ENTRIES_NUM_MAX) ++ return -EINVAL; ++ ++ zero_padding(p_hevc_slice_params->pred_weight_table); ++ ++ for (i = 0; i < p_hevc_slice_params->num_active_dpb_entries; ++ i++) { ++ struct v4l2_hevc_dpb_entry *dpb_entry = ++ &p_hevc_slice_params->dpb[i]; ++ ++ zero_padding(*dpb_entry); ++ } ++ ++ zero_padding(*p_hevc_slice_params); ++ break; ++ + case V4L2_CTRL_TYPE_AREA: + area = p; + if (!area->width || !area->height) + return -EINVAL; + break; ++ + default: + return -EINVAL; + } +@@ -2433,6 +2531,15 @@ static struct v4l2_ctrl *v4l2_ctrl_new(s + case V4L2_CTRL_TYPE_VP8_FRAME_HEADER: + elem_size = sizeof(struct v4l2_ctrl_vp8_frame_header); + break; ++ case V4L2_CTRL_TYPE_HEVC_SPS: ++ elem_size = sizeof(struct v4l2_ctrl_hevc_sps); ++ break; ++ case V4L2_CTRL_TYPE_HEVC_PPS: ++ elem_size = sizeof(struct v4l2_ctrl_hevc_pps); ++ break; ++ case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS: ++ elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params); ++ break; + case V4L2_CTRL_TYPE_AREA: + elem_size = sizeof(struct v4l2_area); + break; +--- a/drivers/media/v4l2-core/v4l2-ioctl.c ++++ b/drivers/media/v4l2-core/v4l2-ioctl.c +@@ -1356,6 +1356,7 @@ static void v4l_fill_fmtdesc(struct v4l2 + case V4L2_PIX_FMT_VP8_FRAME: descr = "VP8 Frame"; break; + case V4L2_PIX_FMT_VP9: descr = "VP9"; break; + case V4L2_PIX_FMT_HEVC: descr = "HEVC"; break; /* aka H.265 */ ++ case V4L2_PIX_FMT_HEVC_SLICE: descr = "HEVC Parsed Slice Data"; break; + case V4L2_PIX_FMT_FWHT: descr = "FWHT"; break; /* used in vicodec */ + case V4L2_PIX_FMT_FWHT_STATELESS: descr = "FWHT Stateless"; break; /* used in vicodec */ + case V4L2_PIX_FMT_CPIA1: descr = "GSPCA CPiA YUV"; break; +--- /dev/null ++++ b/include/media/hevc-ctrls.h +@@ -0,0 +1,212 @@ ++/* 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> ++ ++/* The pixel format isn't stable at the moment and will likely be renamed. */ ++#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ ++ ++#define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_MPEG_BASE + 1008) ++#define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_MPEG_BASE + 1009) ++#define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_MPEG_BASE + 1010) ++#define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_MPEG_BASE + 1015) ++#define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_MPEG_BASE + 1016) ++ ++/* enum v4l2_ctrl_type type values */ ++#define V4L2_CTRL_TYPE_HEVC_SPS 0x0120 ++#define V4L2_CTRL_TYPE_HEVC_PPS 0x0121 ++#define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122 ++ ++enum v4l2_mpeg_video_hevc_decode_mode { ++ V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED, ++ V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED, ++}; ++ ++enum v4l2_mpeg_video_hevc_start_code { ++ V4L2_MPEG_VIDEO_HEVC_START_CODE_NONE, ++ V4L2_MPEG_VIDEO_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) ++ ++/* The controls are not stable at the moment and will likely be reworked. */ ++struct v4l2_ctrl_hevc_sps { ++ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Sequence parameter set */ ++ __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 padding; ++ ++ __u64 flags; ++}; ++ ++#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT (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) ++ ++struct v4l2_ctrl_hevc_pps { ++ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture parameter set */ ++ __u8 num_extra_slice_header_bits; ++ __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[4]; ++ __u64 flags; ++}; ++ ++#define V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_BEFORE 0x01 ++#define V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_AFTER 0x02 ++#define V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR 0x03 ++ ++#define V4L2_HEVC_DPB_ENTRIES_NUM_MAX 16 ++ ++struct v4l2_hevc_dpb_entry { ++ __u64 timestamp; ++ __u8 rps; ++ __u8 field_pic; ++ __u16 pic_order_cnt[2]; ++ __u8 padding[2]; ++}; ++ ++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 padding[6]; ++ ++ __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) ++ ++struct v4l2_ctrl_hevc_slice_params { ++ __u32 bit_size; ++ __u32 data_bit_offset; ++ ++ /* 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; ++ ++ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ ++ __u8 num_active_dpb_entries; ++ __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; ++ __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; ++ ++ __u8 num_rps_poc_st_curr_before; ++ __u8 num_rps_poc_st_curr_after; ++ __u8 num_rps_poc_lt_curr; ++ ++ __u8 padding; ++ ++ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ ++ struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; ++ ++ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ ++ struct v4l2_hevc_pred_weight_table pred_weight_table; ++ ++ __u64 flags; ++}; ++ ++#endif +--- a/include/media/v4l2-ctrls.h ++++ b/include/media/v4l2-ctrls.h +@@ -21,6 +21,7 @@ + #include <media/fwht-ctrls.h> + #include <media/h264-ctrls.h> + #include <media/vp8-ctrls.h> ++#include <media/hevc-ctrls.h> + + /* forward references */ + struct file; +@@ -50,6 +51,9 @@ struct poll_table_struct; + * @p_h264_slice_params: Pointer to a struct v4l2_ctrl_h264_slice_params. + * @p_h264_decode_params: Pointer to a struct v4l2_ctrl_h264_decode_params. + * @p_vp8_frame_header: Pointer to a VP8 frame header structure. ++ * @p_hevc_sps: Pointer to an HEVC sequence parameter set structure. ++ * @p_hevc_pps: Pointer to an HEVC picture parameter set structure. ++ * @p_hevc_slice_params: Pointer to an HEVC slice parameters structure. + * @p_area: Pointer to an area. + * @p: Pointer to a compound value. + */ +@@ -69,6 +73,9 @@ union v4l2_ctrl_ptr { + struct v4l2_ctrl_h264_slice_params *p_h264_slice_params; + struct v4l2_ctrl_h264_decode_params *p_h264_decode_params; + struct v4l2_ctrl_vp8_frame_header *p_vp8_frame_header; ++ struct v4l2_ctrl_hevc_sps *p_hevc_sps; ++ struct v4l2_ctrl_hevc_pps *p_hevc_pps; ++ struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params; + struct v4l2_area *p_area; + void *p; + }; |