| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20220408134801.tiqmbhmsyerah7kh@basti-XPS-13-9310>
Date: Fri, 8 Apr 2022 15:48:01 +0200
From: Sebastian Fricke <sebastian.fricke@...labora.com>
To: Benjamin Gaignard <benjamin.gaignard@...labora.com>
Cc: mchehab@...nel.org, hverkuil@...all.nl,
ezequiel@...guardiasur.com.ar, p.zabel@...gutronix.de,
gregkh@...uxfoundation.org, mripard@...nel.org,
paul.kocialkowski@...tlin.com, wens@...e.org,
jernej.skrabec@...il.com, samuel@...lland.org,
nicolas.dufresne@...labora.com, linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
linux-staging@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH v5 17/17] media: uapi: move HEVC stateless controls out
of staging
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@...labora.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
>
Powered by blists - more mailing lists