| /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ |
| /* |
| * These are the HEVC state controls for use with stateless HEVC |
| * codec drivers. |
| * |
| * This is the final stable version, as found in Linux Kernel v6.0-rc1. |
| * The controls are up-to-date as of commit ca24fef0f2c8, the last |
| * commit to touch the HEVC stateless controls before the v6.0-rc1. |
| * |
| * The definitions are kept in this separate file instead of merged into |
| * `include/uapi/linux/videodev2.h` and `include/uapi/linux/v4l2-controls.h` |
| * to avoid possible conflicts with the other HEVC header files. A separate |
| * file also provides an easier migration path for components using these |
| * definitions. |
| */ |
| |
| #ifndef __LINUX_MEDIA_HEVC_CTRLS_H |
| #define __LINUX_MEDIA_HEVC_CTRLS_H |
| |
| #include <linux/videodev2.h> |
| |
| #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ |
| |
| #define V4L2_CTRL_TYPE_HEVC_SPS 0x0270 |
| #define V4L2_CTRL_TYPE_HEVC_PPS 0x0271 |
| #define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0272 |
| #define V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX 0x0273 |
| #define V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS 0x0274 |
| |
| #define V4L2_CTRL_CLASS_CODEC_STATELESS 0x00a40000 /* Stateless codecs controls */ |
| |
| /* Stateless CODECs controls */ |
| #define V4L2_CID_CODEC_STATELESS_BASE (V4L2_CTRL_CLASS_CODEC_STATELESS | 0x900) |
| #define V4L2_CID_CODEC_STATELESS_CLASS (V4L2_CTRL_CLASS_CODEC_STATELESS | 1) |
| |
| /* Stateless HEVC controls */ |
| #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: this value plus 8specifies 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: 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: 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 the each tile column in |
| * units of coding tree blocks |
| * @row_height_minus1: this value plus 1 specifies the height of the 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 current picture. |
| */ |
| 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 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 |
| * @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 |
