Commit ca24fef0 authored by Benjamin Gaignard's avatar Benjamin Gaignard Committed by Mauro Carvalho Chehab
Browse files

media: uapi: move HEVC stateless controls out of staging 



HEVC uAPI is used by 2 mainline drivers (Hantro, Cedrus)
and at least 2 out-of-tree drivers (rkvdec, RPi).
The uAPI has been reviewed so it is time to make it 'public' by
un-staging it.

Signed-off-by: default avatarBenjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: default avatarEzequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: default avatarNicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent e7060d9a

Documentation/userspace-api/media/v4l/ext-ctrls-codec-stateless.rst

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Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst

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Documentation/userspace-api/media/v4l/pixfmt-compressed.rst

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@@ -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:

Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst

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@@ -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

include/media/hevc-ctrls.h

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/* SPDX-License-Identifier: GPL-2.0 */

/*

 * These are the HEVC state controls for use with stateless HEVC

 * codec drivers.

 *

 * It turns out that these structs are not stable yet and will undergo

 * more changes. So keep them private until they are stable and ready to

 * become part of the official public API.

 */



#ifndef _HEVC_CTRLS_H_

#define _HEVC_CTRLS_H_



#include <linux/videodev2.h>



#define V4L2_CID_STATELESS_HEVC_SPS		(V4L2_CID_CODEC_BASE + 1008)

#define V4L2_CID_STATELESS_HEVC_PPS		(V4L2_CID_CODEC_BASE + 1009)

#define V4L2_CID_STATELESS_HEVC_SLICE_PARAMS	(V4L2_CID_CODEC_BASE + 1010)

#define V4L2_CID_STATELESS_HEVC_SCALING_MATRIX	(V4L2_CID_CODEC_BASE + 1011)

#define V4L2_CID_STATELESS_HEVC_DECODE_PARAMS	(V4L2_CID_CODEC_BASE + 1012)

#define V4L2_CID_STATELESS_HEVC_DECODE_MODE	(V4L2_CID_CODEC_BASE + 1015)

#define V4L2_CID_STATELESS_HEVC_START_CODE	(V4L2_CID_CODEC_BASE + 1016)

#define V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (V4L2_CID_CODEC_BASE + 1017)



enum v4l2_stateless_hevc_decode_mode {

	V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED,

	V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED,

};



enum v4l2_stateless_hevc_start_code {

	V4L2_STATELESS_HEVC_START_CODE_NONE,

	V4L2_STATELESS_HEVC_START_CODE_ANNEX_B,

};



#define V4L2_HEVC_SLICE_TYPE_B	0

#define V4L2_HEVC_SLICE_TYPE_P	1

#define V4L2_HEVC_SLICE_TYPE_I	2



#define V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE		(1ULL << 0)

#define V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED			(1ULL << 1)

#define V4L2_HEVC_SPS_FLAG_AMP_ENABLED				(1ULL << 2)

#define V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET		(1ULL << 3)

#define V4L2_HEVC_SPS_FLAG_PCM_ENABLED				(1ULL << 4)

#define V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED		(1ULL << 5)

#define V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT		(1ULL << 6)

#define V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED		(1ULL << 7)

#define V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED	(1ULL << 8)



/**

 * struct v4l2_ctrl_hevc_sps - ITU-T Rec. H.265: Sequence parameter set

 *

 * @video_parameter_set_id: specifies the value of the

 *			    vps_video_parameter_set_id of the active VPS

 * @seq_parameter_set_id: provides an identifier for the SPS for

 *			  reference by other syntax elements

 * @pic_width_in_luma_samples: specifies the width of each decoded picture

 *			       in units of luma samples

 * @pic_height_in_luma_samples: specifies the height of each decoded picture

 *				in units of luma samples

 * @bit_depth_luma_minus8: this value plus 8 specifies the bit depth of the

 *                         samples of the luma array

 * @bit_depth_chroma_minus8: this value plus 8 specifies the bit depth of the

 *                           samples of the chroma arrays

 * @log2_max_pic_order_cnt_lsb_minus4: this value plus 4 specifies the value

 *                                     of the variable MaxPicOrderCntLsb

 * @sps_max_dec_pic_buffering_minus1: this value plus 1 specifies the maximum

 *                                    required size of the decoded picture

 *                                    buffer for the codec video sequence

 * @sps_max_num_reorder_pics: indicates the maximum allowed number of pictures

 * @sps_max_latency_increase_plus1: not equal to 0 is used to compute the

 *				    value of SpsMaxLatencyPictures array

 * @log2_min_luma_coding_block_size_minus3: this value plus 3 specifies the

 *                                          minimum luma coding block size

 * @log2_diff_max_min_luma_coding_block_size: specifies the difference between

 *					      the maximum and minimum luma

 *					      coding block size

 * @log2_min_luma_transform_block_size_minus2: this value plus 2 specifies the

 *                                             minimum luma transform block size

 * @log2_diff_max_min_luma_transform_block_size: specifies the difference between

 *						 the maximum and minimum luma

 *						 transform block size

 * @max_transform_hierarchy_depth_inter: specifies the maximum hierarchy

 *					 depth for transform units of

 *					 coding units coded in inter

 *					 prediction mode

 * @max_transform_hierarchy_depth_intra: specifies the maximum hierarchy

 *					 depth for transform units of

 *					 coding units coded in intra

 *					 prediction mode

 * @pcm_sample_bit_depth_luma_minus1: this value plus 1 specifies the number of

 *                                    bits used to represent each of PCM sample

 *                                    values of the luma component

 * @pcm_sample_bit_depth_chroma_minus1: this value plus 1 specifies the number

 *                                      of bits used to represent each of PCM

 *                                      sample values of the chroma components

 * @log2_min_pcm_luma_coding_block_size_minus3: this value plus 3 specifies the

 *                                              minimum size of coding blocks

 * @log2_diff_max_min_pcm_luma_coding_block_size: specifies the difference between

 *						  the maximum and minimum size of

 *						  coding blocks

 * @num_short_term_ref_pic_sets: specifies the number of st_ref_pic_set()

 *				 syntax structures included in the SPS

 * @num_long_term_ref_pics_sps:	specifies the number of candidate long-term

 *				reference pictures that are specified in the SPS

 * @chroma_format_idc: specifies the chroma sampling

 * @sps_max_sub_layers_minus1: this value plus 1 specifies the maximum number

 *                             of temporal sub-layers

 * @reserved: padding field. Should be zeroed by applications.

 * @flags: see V4L2_HEVC_SPS_FLAG_{}

 */

struct v4l2_ctrl_hevc_sps {

	__u8	video_parameter_set_id;

	__u8	seq_parameter_set_id;

	__u16	pic_width_in_luma_samples;

	__u16	pic_height_in_luma_samples;

	__u8	bit_depth_luma_minus8;

	__u8	bit_depth_chroma_minus8;

	__u8	log2_max_pic_order_cnt_lsb_minus4;

	__u8	sps_max_dec_pic_buffering_minus1;

	__u8	sps_max_num_reorder_pics;

	__u8	sps_max_latency_increase_plus1;

	__u8	log2_min_luma_coding_block_size_minus3;

	__u8	log2_diff_max_min_luma_coding_block_size;

	__u8	log2_min_luma_transform_block_size_minus2;

	__u8	log2_diff_max_min_luma_transform_block_size;

	__u8	max_transform_hierarchy_depth_inter;

	__u8	max_transform_hierarchy_depth_intra;

	__u8	pcm_sample_bit_depth_luma_minus1;

	__u8	pcm_sample_bit_depth_chroma_minus1;

	__u8	log2_min_pcm_luma_coding_block_size_minus3;

	__u8	log2_diff_max_min_pcm_luma_coding_block_size;

	__u8	num_short_term_ref_pic_sets;

	__u8	num_long_term_ref_pics_sps;

	__u8	chroma_format_idc;

	__u8	sps_max_sub_layers_minus1;



	__u8	reserved[6];

	__u64	flags;

};



#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED	(1ULL << 0)

#define V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT			(1ULL << 1)

#define V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED		(1ULL << 2)

#define V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT			(1ULL << 3)

#define V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED		(1ULL << 4)

#define V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED		(1ULL << 5)

#define V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED			(1ULL << 6)

#define V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT	(1ULL << 7)

#define V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED			(1ULL << 8)

#define V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED			(1ULL << 9)

#define V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED		(1ULL << 10)

#define V4L2_HEVC_PPS_FLAG_TILES_ENABLED			(1ULL << 11)

#define V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED		(1ULL << 12)

#define V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED	(1ULL << 13)

#define V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 14)

#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED	(1ULL << 15)

#define V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER	(1ULL << 16)

#define V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT		(1ULL << 17)

#define V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT (1ULL << 18)

#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT	(1ULL << 19)

#define V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING			(1ULL << 20)



/**

 * struct v4l2_ctrl_hevc_pps - ITU-T Rec. H.265: Picture parameter set

 *

 * @pic_parameter_set_id: identifies the PPS for reference by other

 *			  syntax elements

 * @num_extra_slice_header_bits: specifies the number of extra slice header

 *				 bits that are present in the slice header RBSP

 *				 for coded pictures referring to the PPS.

 * @num_ref_idx_l0_default_active_minus1: this value plus 1 specifies the inferred

 *                                        value of num_ref_idx_l0_active_minus1

 * @num_ref_idx_l1_default_active_minus1: this value plus 1 specifies the inferred

 *                                        value of num_ref_idx_l1_active_minus1

 * @init_qp_minus26: this value plus 26 specifies the initial value of SliceQp Y

 *                   for each slice referring to the PPS

 * @diff_cu_qp_delta_depth: specifies the difference between the luma coding

 *			    tree block size and the minimum luma coding block

 *			    size of coding units that convey cu_qp_delta_abs

 *			    and cu_qp_delta_sign_flag

 * @pps_cb_qp_offset: specify the offsets to the luma quantization parameter Cb

 * @pps_cr_qp_offset: specify the offsets to the luma quantization parameter Cr

 * @num_tile_columns_minus1: this value plus 1 specifies the number of tile columns

 *			     partitioning the picture

 * @num_tile_rows_minus1: this value plus 1 specifies the number of tile rows

 *                        partitioning the picture

 * @column_width_minus1: this value plus 1 specifies the width of each tile column

 *                       in units of coding tree blocks

 * @row_height_minus1: this value plus 1 specifies the height of each tile row in

 *		       units of coding tree blocks

 * @pps_beta_offset_div2: specify the default deblocking parameter offsets for

 *			  beta divided by 2

 * @pps_tc_offset_div2: specify the default deblocking parameter offsets for tC

 *			divided by 2

 * @log2_parallel_merge_level_minus2: this value plus 2 specifies the value of

 *                                    the variable Log2ParMrgLevel

 * @reserved: padding field. Should be zeroed by applications.

 * @flags: see V4L2_HEVC_PPS_FLAG_{}

 */

struct v4l2_ctrl_hevc_pps {

	__u8	pic_parameter_set_id;

	__u8	num_extra_slice_header_bits;

	__u8	num_ref_idx_l0_default_active_minus1;

	__u8	num_ref_idx_l1_default_active_minus1;

	__s8	init_qp_minus26;

	__u8	diff_cu_qp_delta_depth;

	__s8	pps_cb_qp_offset;

	__s8	pps_cr_qp_offset;

	__u8	num_tile_columns_minus1;

	__u8	num_tile_rows_minus1;

	__u8	column_width_minus1[20];

	__u8	row_height_minus1[22];

	__s8	pps_beta_offset_div2;

	__s8	pps_tc_offset_div2;

	__u8	log2_parallel_merge_level_minus2;

	__u8	reserved;

	__u64	flags;

};



#define V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE	0x01



#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME				0

#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_FIELD			1

#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_FIELD			2

#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM			3

#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP			4

#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_BOTTOM_TOP			5

#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM		6

#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING			7

#define V4L2_HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING			8

#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM	9

#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP	10

#define V4L2_HEVC_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM		11

#define V4L2_HEVC_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP		12



#define V4L2_HEVC_DPB_ENTRIES_NUM_MAX		16



/**

 * struct v4l2_hevc_dpb_entry - HEVC decoded picture buffer entry

 *

 * @timestamp: timestamp of the V4L2 capture buffer to use as reference.

 * @flags: long term flag for the reference frame

 * @field_pic: whether the reference is a field picture or a frame.

 * @reserved: padding field. Should be zeroed by applications.

 * @pic_order_cnt_val: the picture order count of the reference.

 */

struct v4l2_hevc_dpb_entry {

	__u64	timestamp;

	__u8	flags;

	__u8	field_pic;

	__u16	reserved;

	__s32	pic_order_cnt_val;

};



/**

 * struct v4l2_hevc_pred_weight_table - HEVC weighted prediction parameters

 *

 * @delta_luma_weight_l0: the difference of the weighting factor applied

 *			  to the luma prediction value for list 0

 * @luma_offset_l0: the additive offset applied to the luma prediction value

 *		    for list 0

 * @delta_chroma_weight_l0: the difference of the weighting factor applied

 *			    to the chroma prediction values for list 0

 * @chroma_offset_l0: the difference of the additive offset applied to

 *		      the chroma prediction values for list 0

 * @delta_luma_weight_l1: the difference of the weighting factor applied

 *			  to the luma prediction value for list 1

 * @luma_offset_l1: the additive offset applied to the luma prediction value

 *		    for list 1

 * @delta_chroma_weight_l1: the difference of the weighting factor applied

 *			    to the chroma prediction values for list 1

 * @chroma_offset_l1: the difference of the additive offset applied to

 *		      the chroma prediction values for list 1

 * @luma_log2_weight_denom: the base 2 logarithm of the denominator for

 *			    all luma weighting factors

 * @delta_chroma_log2_weight_denom: the difference of the base 2 logarithm

 *				    of the denominator for all chroma

 *				    weighting factors

 */

struct v4l2_hevc_pred_weight_table {

	__s8	delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__s8	luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__s8	delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2];

	__s8	chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2];



	__s8	delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__s8	luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__s8	delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2];

	__s8	chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2];



	__u8	luma_log2_weight_denom;

	__s8	delta_chroma_log2_weight_denom;

};



#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA		(1ULL << 0)

#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA		(1ULL << 1)

#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED	(1ULL << 2)

#define V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO			(1ULL << 3)

#define V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT			(1ULL << 4)

#define V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0		(1ULL << 5)

#define V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV		(1ULL << 6)

#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED (1ULL << 7)

#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 8)

#define V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT	(1ULL << 9)



/**

 * struct v4l2_ctrl_hevc_slice_params - HEVC slice parameters

 *

 * This control is a dynamically sized 1-dimensional array,

 * V4L2_CTRL_FLAG_DYNAMIC_ARRAY flag must be set when using it.

 *

 * @bit_size: size (in bits) of the current slice data

 * @data_byte_offset: offset (in bytes) to the video data in the current slice data

 * @num_entry_point_offsets: specifies the number of entry point offset syntax

 *			     elements in the slice header.

 * @nal_unit_type: specifies the coding type of the slice (B, P or I)

 * @nuh_temporal_id_plus1: minus 1 specifies a temporal identifier for the NAL unit

 * @slice_type: see V4L2_HEVC_SLICE_TYPE_{}

 * @colour_plane_id: specifies the colour plane associated with the current slice

 * @slice_pic_order_cnt: specifies the picture order count

 * @num_ref_idx_l0_active_minus1: this value plus 1 specifies the maximum reference

 *                                index for reference picture list 0 that may be

 *                                used to decode the slice

 * @num_ref_idx_l1_active_minus1: this value plus 1 specifies the maximum reference

 *                                index for reference picture list 1 that may be

 *                                used to decode the slice

 * @collocated_ref_idx: specifies the reference index of the collocated picture used

 *			for temporal motion vector prediction

 * @five_minus_max_num_merge_cand: specifies the maximum number of merging

 *				   motion vector prediction candidates supported in

 *				   the slice subtracted from 5

 * @slice_qp_delta: specifies the initial value of QpY to be used for the coding

 *		    blocks in the slice

 * @slice_cb_qp_offset: specifies a difference to be added to the value of pps_cb_qp_offset

 * @slice_cr_qp_offset: specifies a difference to be added to the value of pps_cr_qp_offset

 * @slice_act_y_qp_offset: screen content extension parameters

 * @slice_act_cb_qp_offset: screen content extension parameters

 * @slice_act_cr_qp_offset: screen content extension parameters

 * @slice_beta_offset_div2: specify the deblocking parameter offsets for beta divided by 2

 * @slice_tc_offset_div2: specify the deblocking parameter offsets for tC divided by 2

 * @pic_struct: indicates whether a picture should be displayed as a frame or as one or

 *		more fields

 * @reserved0: padding field. Should be zeroed by applications.

 * @slice_segment_addr: specifies the address of the first coding tree block in

 *			the slice segment

 * @ref_idx_l0: the list of L0 reference elements as indices in the DPB

 * @ref_idx_l1: the list of L1 reference elements as indices in the DPB

 * @short_term_ref_pic_set_size: specifies the size of short-term reference

 *				 pictures included in the SPS

 * @long_term_ref_pic_set_size: specifies the size of long-term reference

 *				picture include in the SPS

 * @pred_weight_table: the prediction weight coefficients for inter-picture

 *		       prediction

 * @reserved1: padding field. Should be zeroed by applications.

 * @flags: see V4L2_HEVC_SLICE_PARAMS_FLAG_{}

 */

struct v4l2_ctrl_hevc_slice_params {

	__u32	bit_size;

	__u32	data_byte_offset;

	__u32	num_entry_point_offsets;

	/* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */

	__u8	nal_unit_type;

	__u8	nuh_temporal_id_plus1;



	/* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */

	__u8	slice_type;

	__u8	colour_plane_id;

	__s32	slice_pic_order_cnt;

	__u8	num_ref_idx_l0_active_minus1;

	__u8	num_ref_idx_l1_active_minus1;

	__u8	collocated_ref_idx;

	__u8	five_minus_max_num_merge_cand;

	__s8	slice_qp_delta;

	__s8	slice_cb_qp_offset;

	__s8	slice_cr_qp_offset;

	__s8	slice_act_y_qp_offset;

	__s8	slice_act_cb_qp_offset;

	__s8	slice_act_cr_qp_offset;

	__s8	slice_beta_offset_div2;

	__s8	slice_tc_offset_div2;



	/* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */

	__u8	pic_struct;



	__u8	reserved0[3];

	/* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */

	__u32	slice_segment_addr;

	__u8	ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__u8	ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__u16	short_term_ref_pic_set_size;

	__u16	long_term_ref_pic_set_size;



	/* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */

	struct v4l2_hevc_pred_weight_table pred_weight_table;



	__u8	reserved1[2];

	__u64	flags;

};



#define V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC		0x1

#define V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC		0x2

#define V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR  0x4



/**

 * struct v4l2_ctrl_hevc_decode_params - HEVC decode parameters

 *

 * @pic_order_cnt_val: picture order count

 * @short_term_ref_pic_set_size: specifies the size of short-term reference

 *				 pictures set included in the SPS of the first slice

 * @long_term_ref_pic_set_size: specifies the size of long-term reference

 *				pictures set include in the SPS of the first slice

 * @num_active_dpb_entries: the number of entries in dpb

 * @num_poc_st_curr_before: the number of reference pictures in the short-term

 *			    set that come before the current frame

 * @num_poc_st_curr_after: the number of reference pictures in the short-term

 *			   set that come after the current frame

 * @num_poc_lt_curr: the number of reference pictures in the long-term set

 * @poc_st_curr_before: provides the index of the short term before references

 *			in DPB array

 * @poc_st_curr_after: provides the index of the short term after references

 *		       in DPB array

 * @poc_lt_curr: provides the index of the long term references in DPB array

 * @reserved: padding field. Should be zeroed by applications.

 * @dpb: the decoded picture buffer, for meta-data about reference frames

 * @flags: see V4L2_HEVC_DECODE_PARAM_FLAG_{}

 */

struct v4l2_ctrl_hevc_decode_params {

	__s32	pic_order_cnt_val;

	__u16	short_term_ref_pic_set_size;

	__u16	long_term_ref_pic_set_size;

	__u8	num_active_dpb_entries;

	__u8	num_poc_st_curr_before;

	__u8	num_poc_st_curr_after;

	__u8	num_poc_lt_curr;

	__u8	poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__u8	poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__u8	poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__u8	reserved[4];

	struct	v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];

	__u64	flags;

};



/**

 * struct v4l2_ctrl_hevc_scaling_matrix - HEVC scaling lists parameters

 *

 * @scaling_list_4x4: scaling list is used for the scaling process for

 *		      transform coefficients. The values on each scaling

 *		      list are expected in raster scan order

 * @scaling_list_8x8: scaling list is used for the scaling process for

 *		      transform coefficients. The values on each scaling

 *		      list are expected in raster scan order

 * @scaling_list_16x16: scaling list is used for the scaling process for

 *			transform coefficients. The values on each scaling

 *			list are expected in raster scan order

 * @scaling_list_32x32:	scaling list is used for the scaling process for

 *			transform coefficients. The values on each scaling

 *			list are expected in raster scan order

 * @scaling_list_dc_coef_16x16: scaling list is used for the scaling process

 *				for transform coefficients. The values on each

 *				scaling list are expected in raster scan order.

 * @scaling_list_dc_coef_32x32:	scaling list is used for the scaling process

 *				for transform coefficients. The values on each

 *				scaling list are expected in raster scan order.

 */

struct v4l2_ctrl_hevc_scaling_matrix {

	__u8	scaling_list_4x4[6][16];

	__u8	scaling_list_8x8[6][64];

	__u8	scaling_list_16x16[6][64];

	__u8	scaling_list_32x32[2][64];

	__u8	scaling_list_dc_coef_16x16[6];

	__u8	scaling_list_dc_coef_32x32[2];

};



#endif