1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * These are the HEVC state controls for use with stateless HEVC 4 * codec drivers. 5 * 6 * It turns out that these structs are not stable yet and will undergo 7 * more changes. So keep them private until they are stable and ready to 8 * become part of the official public API. 9 */ 10 11#ifndef _HEVC_CTRLS_H_ 12#define _HEVC_CTRLS_H_ 13 14#include <linux/videodev2.h> 15 16/* The pixel format isn't stable at the moment and will likely be renamed. */ 17#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ 18 19#define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_CODEC_BASE + 1008) 20#define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_CODEC_BASE + 1009) 21#define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_BASE + 1010) 22#define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS (V4L2_CID_CODEC_BASE + 1012) 23#define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_CODEC_BASE + 1015) 24#define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_CODEC_BASE + 1016) 25 26/* enum v4l2_ctrl_type type values */ 27#define V4L2_CTRL_TYPE_HEVC_SPS 0x0120 28#define V4L2_CTRL_TYPE_HEVC_PPS 0x0121 29#define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122 30#define V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS 0x0124 31 32enum v4l2_mpeg_video_hevc_decode_mode { 33 V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED, 34 V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED, 35}; 36 37enum v4l2_mpeg_video_hevc_start_code { 38 V4L2_MPEG_VIDEO_HEVC_START_CODE_NONE, 39 V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B, 40}; 41 42#define V4L2_HEVC_SLICE_TYPE_B 0 43#define V4L2_HEVC_SLICE_TYPE_P 1 44#define V4L2_HEVC_SLICE_TYPE_I 2 45 46#define V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE (1ULL << 0) 47#define V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED (1ULL << 1) 48#define V4L2_HEVC_SPS_FLAG_AMP_ENABLED (1ULL << 2) 49#define V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET (1ULL << 3) 50#define V4L2_HEVC_SPS_FLAG_PCM_ENABLED (1ULL << 4) 51#define V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED (1ULL << 5) 52#define V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT (1ULL << 6) 53#define V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED (1ULL << 7) 54#define V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED (1ULL << 8) 55 56/* The controls are not stable at the moment and will likely be reworked. */ 57struct v4l2_ctrl_hevc_sps { 58 /* ISO/IEC 23008-2, ITU-T Rec. H.265: Sequence parameter set */ 59 __u16 pic_width_in_luma_samples; 60 __u16 pic_height_in_luma_samples; 61 __u8 bit_depth_luma_minus8; 62 __u8 bit_depth_chroma_minus8; 63 __u8 log2_max_pic_order_cnt_lsb_minus4; 64 __u8 sps_max_dec_pic_buffering_minus1; 65 __u8 sps_max_num_reorder_pics; 66 __u8 sps_max_latency_increase_plus1; 67 __u8 log2_min_luma_coding_block_size_minus3; 68 __u8 log2_diff_max_min_luma_coding_block_size; 69 __u8 log2_min_luma_transform_block_size_minus2; 70 __u8 log2_diff_max_min_luma_transform_block_size; 71 __u8 max_transform_hierarchy_depth_inter; 72 __u8 max_transform_hierarchy_depth_intra; 73 __u8 pcm_sample_bit_depth_luma_minus1; 74 __u8 pcm_sample_bit_depth_chroma_minus1; 75 __u8 log2_min_pcm_luma_coding_block_size_minus3; 76 __u8 log2_diff_max_min_pcm_luma_coding_block_size; 77 __u8 num_short_term_ref_pic_sets; 78 __u8 num_long_term_ref_pics_sps; 79 __u8 chroma_format_idc; 80 __u8 sps_max_sub_layers_minus1; 81 82 __u64 flags; 83}; 84 85#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED (1ULL << 0) 86#define V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT (1ULL << 1) 87#define V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED (1ULL << 2) 88#define V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT (1ULL << 3) 89#define V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED (1ULL << 4) 90#define V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED (1ULL << 5) 91#define V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED (1ULL << 6) 92#define V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT (1ULL << 7) 93#define V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED (1ULL << 8) 94#define V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED (1ULL << 9) 95#define V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED (1ULL << 10) 96#define V4L2_HEVC_PPS_FLAG_TILES_ENABLED (1ULL << 11) 97#define V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED (1ULL << 12) 98#define V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED (1ULL << 13) 99#define V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 14) 100#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED (1ULL << 15) 101#define V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER (1ULL << 16) 102#define V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT (1ULL << 17) 103#define V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT (1ULL << 18) 104#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT (1ULL << 19) 105#define V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING (1ULL << 20) 106 107struct v4l2_ctrl_hevc_pps { 108 /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture parameter set */ 109 __u8 num_extra_slice_header_bits; 110 __u8 num_ref_idx_l0_default_active_minus1; 111 __u8 num_ref_idx_l1_default_active_minus1; 112 __s8 init_qp_minus26; 113 __u8 diff_cu_qp_delta_depth; 114 __s8 pps_cb_qp_offset; 115 __s8 pps_cr_qp_offset; 116 __u8 num_tile_columns_minus1; 117 __u8 num_tile_rows_minus1; 118 __u8 column_width_minus1[20]; 119 __u8 row_height_minus1[22]; 120 __s8 pps_beta_offset_div2; 121 __s8 pps_tc_offset_div2; 122 __u8 log2_parallel_merge_level_minus2; 123 124 __u8 padding[4]; 125 __u64 flags; 126}; 127 128#define V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_BEFORE 0x01 129#define V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_AFTER 0x02 130#define V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR 0x03 131 132#define V4L2_HEVC_DPB_ENTRIES_NUM_MAX 16 133 134struct v4l2_hevc_dpb_entry { 135 __u64 timestamp; 136 __u8 rps; 137 __u8 field_pic; 138 __u16 pic_order_cnt[2]; 139 __u8 padding[2]; 140}; 141 142struct v4l2_hevc_pred_weight_table { 143 __s8 delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 144 __s8 luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 145 __s8 delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; 146 __s8 chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; 147 148 __s8 delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 149 __s8 luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 150 __s8 delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; 151 __s8 chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]; 152 153 __u8 padding[6]; 154 155 __u8 luma_log2_weight_denom; 156 __s8 delta_chroma_log2_weight_denom; 157}; 158 159#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA (1ULL << 0) 160#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA (1ULL << 1) 161#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED (1ULL << 2) 162#define V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO (1ULL << 3) 163#define V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT (1ULL << 4) 164#define V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0 (1ULL << 5) 165#define V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV (1ULL << 6) 166#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED (1ULL << 7) 167#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 8) 168#define V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT (1ULL << 9) 169 170struct v4l2_ctrl_hevc_slice_params { 171 __u32 bit_size; 172 __u32 data_bit_offset; 173 174 /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */ 175 __u8 nal_unit_type; 176 __u8 nuh_temporal_id_plus1; 177 178 /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ 179 __u8 slice_type; 180 __u8 colour_plane_id; 181 __u16 slice_pic_order_cnt; 182 __u8 num_ref_idx_l0_active_minus1; 183 __u8 num_ref_idx_l1_active_minus1; 184 __u8 collocated_ref_idx; 185 __u8 five_minus_max_num_merge_cand; 186 __s8 slice_qp_delta; 187 __s8 slice_cb_qp_offset; 188 __s8 slice_cr_qp_offset; 189 __s8 slice_act_y_qp_offset; 190 __s8 slice_act_cb_qp_offset; 191 __s8 slice_act_cr_qp_offset; 192 __s8 slice_beta_offset_div2; 193 __s8 slice_tc_offset_div2; 194 195 /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */ 196 __u8 pic_struct; 197 198 /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ 199 __u32 slice_segment_addr; 200 __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 201 __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 202 203 __u8 padding; 204 205 /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */ 206 struct v4l2_hevc_pred_weight_table pred_weight_table; 207 208 __u64 flags; 209}; 210 211#define V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC 0x1 212#define V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC 0x2 213#define V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR 0x4 214 215struct v4l2_ctrl_hevc_decode_params { 216 __s32 pic_order_cnt_val; 217 __u8 num_active_dpb_entries; 218 struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 219 __u8 num_poc_st_curr_before; 220 __u8 num_poc_st_curr_after; 221 __u8 num_poc_lt_curr; 222 __u8 poc_st_curr_before[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 223 __u8 poc_st_curr_after[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 224 __u8 poc_lt_curr[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]; 225 __u64 flags; 226}; 227 228/* MPEG-class control IDs specific to the Hantro driver as defined by V4L2 */ 229#define V4L2_CID_CODEC_HANTRO_BASE (V4L2_CTRL_CLASS_CODEC | 0x1200) 230/* 231 * V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP - 232 * the number of data (in bits) to skip in the 233 * slice segment header. 234 * If non-IDR, the bits to be skipped go from syntax element "pic_output_flag" 235 * to before syntax element "slice_temporal_mvp_enabled_flag". 236 * If IDR, the skipped bits are just "pic_output_flag" 237 * (separate_colour_plane_flag is not supported). 238 */ 239#define V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP (V4L2_CID_CODEC_HANTRO_BASE + 0) 240 241#endif 242