/* SPDX-License-Identifier: GPL-2.0 */ /* * These are the HEVC state controls for use with stateless HEVC * codec drivers. * * It turns out that these structs are not stable yet and will undergo * more changes. So keep them private until they are stable and ready to * become part of the official public API. */ #ifndef _HEVC_CTRLS_H_ #define _HEVC_CTRLS_H_ #include <linux/videodev2.h> /* The pixel format isn't stable at the moment and will likely be renamed. */ #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ #define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_CODEC_BASE + 1008) #define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_CODEC_BASE + 1009) #define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_BASE + 1010) #define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_CODEC_BASE + 1015) #define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_CODEC_BASE + 1016) /* enum v4l2_ctrl_type type values */ #define V4L2_CTRL_TYPE_HEVC_SPS 0x0120 #define V4L2_CTRL_TYPE_HEVC_PPS 0x0121 #define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122 enum v4l2_mpeg_video_hevc_decode_mode { V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED, V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED, }; enum v4l2_mpeg_video_hevc_start_code { V4L2_MPEG_VIDEO_HEVC_START_CODE_NONE, V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B, }; #define V4L2_HEVC_SLICE_TYPE_B 0 #define V4L2_HEVC_SLICE_TYPE_P 1 #define V4L2_HEVC_SLICE_TYPE_I 2 #define V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE (1ULL << 0) #define V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED (1ULL << 1) #define V4L2_HEVC_SPS_FLAG_AMP_ENABLED (1ULL << 2) #define V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET (1ULL << 3) #define V4L2_HEVC_SPS_FLAG_PCM_ENABLED (1ULL << 4) #define V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED (1ULL << 5) #define V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT (1ULL << 6) #define V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED (1ULL << 7) #define V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED (1ULL << 8) /* The controls are not stable at the moment and will likely be reworked. */ struct v4l2_ctrl_hevc_sps { /* ISO/IEC 23008-2, ITU-T Rec. H.265: Sequence parameter set */ __u16 pic_width_in_luma_samples; __u16 pic_height_in_luma_samples; __u8 bit_depth_luma_minus8; __u8 bit_depth_chroma_minus8; __u8 log2_max_pic_order_cnt_lsb_minus4; __u8 sps_max_dec_pic_buffering_minus1; __u8 sps_max_num_reorder_pics; __u8 sps_max_latency_increase_plus1; __u8 log2_min_luma_coding_block_size_minus3; __u8 log2_diff_max_min_luma_coding_block_size; __u8 log2_min_luma_transform_block_size_minus2; __u8 log2_diff_max_min_luma_transform_block_size; __u8 max_transform_hierarchy_depth_inter; __u8 max_transform_hierarchy_depth_intra; __u8 pcm_sample_bit_depth_luma_minus1; __u8 pcm_sample_bit_depth_chroma_minus1; __u8 log2_min_pcm_luma_coding_block_size_minus3; __u8 log2_diff_max_min_pcm_luma_coding_block_size; __u8 num_short_term_ref_pic_sets; __u8 num_long_term_ref_pics_sps; __u8 chroma_format_idc; __u8 padding; __u64 flags; }; #define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT (1ULL << 0) #define V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT (1ULL << 1) #define V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED (1ULL << 2) #define V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT (1ULL << 3) #define V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED (1ULL << 4) #define V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED (1ULL << 5) #define V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED (1ULL << 6) #define V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT (1ULL << 7) #define V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED (1ULL << 8) #define V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED (1ULL << 9) #define V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED (1ULL << 10) #define V4L2_HEVC_PPS_FLAG_TILES_ENABLED (1ULL << 11) #define V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED (1ULL << 12) #define V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED (1ULL << 13) #define V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 14) #define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED (1ULL << 15) #define V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER (1ULL << 16) #define V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT (1ULL << 17) #define V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT (1ULL << 18) struct v4l2_ctrl_hevc_pps { /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture parameter set */ __u8 num_extra_slice_header_bits; __s8 init_qp_minus26; __u8 diff_cu_qp_delta_depth; __s8 pps_cb_qp_offset; __s8 pps_cr_qp_offset; __u8 num_tile_columns_minus1; __u8 num_tile_rows_minus1; __u8 column_width_minus1[20]; __u8 row_height_minus1[22]; __s8 pps_beta_offset_div2; __s8 pps_tc_offset_div2; __u8 log2_parallel_merge_level_minus2; __u8 padding[4]; __u64 flags; }; #define V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_BEFORE 0x01 #define V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_AFTER 0x02 #define V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR 0x03 #define V4L2_HEVC_DPB_ENTRIES_NUM_MAX 16 struct v4l2_hevc_dpb_entry { __u64 timestamp; __u8 rps; __u8 field_pic; __u16 pic_order_cnt[2]; __u8 padding[2]; }; struct v4l2_hevc_pred_weight_table { __s8 delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __s8 luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __s8 delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; __s8 chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; __s8 delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __s8 luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __s8 delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; __s8 chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; __u8 padding[6]; __u8 luma_log2_weight_denom; __s8 delta_chroma_log2_weight_denom; }; #define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA (1ULL << 0) #define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA (1ULL << 1) #define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED (1ULL << 2) #define V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO (1ULL << 3) #define V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT (1ULL << 4) #define V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0 (1ULL << 5) #define V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV (1ULL << 6) #define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED (1ULL << 7) #define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 8) struct v4l2_ctrl_hevc_slice_params { __u32 bit_size; __u32 data_bit_offset; /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */ __u8 nal_unit_type; __u8 nuh_temporal_id_plus1; /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ __u8 slice_type; __u8 colour_plane_id; __u16 slice_pic_order_cnt; __u8 num_ref_idx_l0_active_minus1; __u8 num_ref_idx_l1_active_minus1; __u8 collocated_ref_idx; __u8 five_minus_max_num_merge_cand; __s8 slice_qp_delta; __s8 slice_cb_qp_offset; __s8 slice_cr_qp_offset; __s8 slice_act_y_qp_offset; __s8 slice_act_cb_qp_offset; __s8 slice_act_cr_qp_offset; __s8 slice_beta_offset_div2; __s8 slice_tc_offset_div2; /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */ __u8 pic_struct; /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ __u8 num_active_dpb_entries; __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; __u8 num_rps_poc_st_curr_before; __u8 num_rps_poc_st_curr_after; __u8 num_rps_poc_lt_curr; __u8 padding; /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ struct v4l2_hevc_pred_weight_table pred_weight_table; __u64 flags; }; #endif