| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * AV1 common definitions |
| */ |
| |
| #ifndef AVCODEC_AV1_H |
| #define AVCODEC_AV1_H |
| |
| // OBU types (section 6.2.2). |
| typedef enum { |
| // 0 reserved. |
| AV1_OBU_SEQUENCE_HEADER = 1, |
| AV1_OBU_TEMPORAL_DELIMITER = 2, |
| AV1_OBU_FRAME_HEADER = 3, |
| AV1_OBU_TILE_GROUP = 4, |
| AV1_OBU_METADATA = 5, |
| AV1_OBU_FRAME = 6, |
| AV1_OBU_REDUNDANT_FRAME_HEADER = 7, |
| AV1_OBU_TILE_LIST = 8, |
| // 9-14 reserved. |
| AV1_OBU_PADDING = 15, |
| } AV1_OBU_Type; |
| |
| // Metadata types (section 6.7.1). |
| enum { |
| AV1_METADATA_TYPE_HDR_CLL = 1, |
| AV1_METADATA_TYPE_HDR_MDCV = 2, |
| AV1_METADATA_TYPE_SCALABILITY = 3, |
| AV1_METADATA_TYPE_ITUT_T35 = 4, |
| AV1_METADATA_TYPE_TIMECODE = 5, |
| }; |
| |
| // Frame types (section 6.8.2). |
| enum { |
| AV1_FRAME_KEY = 0, |
| AV1_FRAME_INTER = 1, |
| AV1_FRAME_INTRA_ONLY = 2, |
| AV1_FRAME_SWITCH = 3, |
| }; |
| |
| // Reference frames (section 6.10.24). |
| enum { |
| AV1_REF_FRAME_INTRA = 0, |
| AV1_REF_FRAME_LAST = 1, |
| AV1_REF_FRAME_LAST2 = 2, |
| AV1_REF_FRAME_LAST3 = 3, |
| AV1_REF_FRAME_GOLDEN = 4, |
| AV1_REF_FRAME_BWDREF = 5, |
| AV1_REF_FRAME_ALTREF2 = 6, |
| AV1_REF_FRAME_ALTREF = 7, |
| }; |
| |
| // Constants (section 3). |
| enum { |
| AV1_MAX_OPERATING_POINTS = 32, |
| |
| AV1_MAX_SB_SIZE = 128, |
| AV1_MI_SIZE = 4, |
| |
| AV1_MAX_TILE_WIDTH = 4096, |
| AV1_MAX_TILE_AREA = 4096 * 2304, |
| AV1_MAX_TILE_ROWS = 64, |
| AV1_MAX_TILE_COLS = 64, |
| |
| AV1_NUM_REF_FRAMES = 8, |
| AV1_REFS_PER_FRAME = 7, |
| AV1_TOTAL_REFS_PER_FRAME = 8, |
| AV1_PRIMARY_REF_NONE = 7, |
| |
| AV1_MAX_SEGMENTS = 8, |
| AV1_SEG_LVL_MAX = 8, |
| |
| AV1_SEG_LVL_ALT_Q = 0, |
| AV1_SEG_LVL_ALT_LF_Y_V = 1, |
| AV1_SEG_LVL_REF_FRAME = 5, |
| AV1_SEG_LVL_SKIP = 6, |
| AV1_SEG_LVL_GLOBAL_MV = 7, |
| |
| AV1_SELECT_SCREEN_CONTENT_TOOLS = 2, |
| AV1_SELECT_INTEGER_MV = 2, |
| |
| AV1_SUPERRES_NUM = 8, |
| AV1_SUPERRES_DENOM_MIN = 9, |
| |
| AV1_INTERPOLATION_FILTER_SWITCHABLE = 4, |
| |
| AV1_GM_ABS_ALPHA_BITS = 12, |
| AV1_GM_ALPHA_PREC_BITS = 15, |
| AV1_GM_ABS_TRANS_ONLY_BITS = 9, |
| AV1_GM_TRANS_ONLY_PREC_BITS = 3, |
| AV1_GM_ABS_TRANS_BITS = 12, |
| AV1_GM_TRANS_PREC_BITS = 6, |
| AV1_WARPEDMODEL_PREC_BITS = 16, |
| |
| AV1_WARP_MODEL_IDENTITY = 0, |
| AV1_WARP_MODEL_TRANSLATION = 1, |
| AV1_WARP_MODEL_ROTZOOM = 2, |
| AV1_WARP_MODEL_AFFINE = 3, |
| }; |
| |
| |
| // The main colour configuration information uses the same ISO/IEC 23001-8 |
| // (H.273) enums as FFmpeg does, so separate definitions are not required. |
| |
| // Chroma sample position. |
| enum { |
| AV1_CSP_UNKNOWN = 0, |
| AV1_CSP_VERTICAL = 1, // -> AVCHROMA_LOC_LEFT. |
| AV1_CSP_COLOCATED = 2, // -> AVCHROMA_LOC_TOPLEFT. |
| }; |
| |
| // Scalability modes (section 6.7.5) |
| enum { |
| AV1_SCALABILITY_L1T2 = 0, |
| AV1_SCALABILITY_L1T3 = 1, |
| AV1_SCALABILITY_L2T1 = 2, |
| AV1_SCALABILITY_L2T2 = 3, |
| AV1_SCALABILITY_L2T3 = 4, |
| AV1_SCALABILITY_S2T1 = 5, |
| AV1_SCALABILITY_S2T2 = 6, |
| AV1_SCALABILITY_S2T3 = 7, |
| AV1_SCALABILITY_L2T1h = 8, |
| AV1_SCALABILITY_L2T2h = 9, |
| AV1_SCALABILITY_L2T3h = 10, |
| AV1_SCALABILITY_S2T1h = 11, |
| AV1_SCALABILITY_S2T2h = 12, |
| AV1_SCALABILITY_S2T3h = 13, |
| AV1_SCALABILITY_SS = 14, |
| AV1_SCALABILITY_L3T1 = 15, |
| AV1_SCALABILITY_L3T2 = 16, |
| AV1_SCALABILITY_L3T3 = 17, |
| AV1_SCALABILITY_S3T1 = 18, |
| AV1_SCALABILITY_S3T2 = 19, |
| AV1_SCALABILITY_S3T3 = 20, |
| AV1_SCALABILITY_L3T2_KEY = 21, |
| AV1_SCALABILITY_L3T3_KEY = 22, |
| AV1_SCALABILITY_L4T5_KEY = 23, |
| AV1_SCALABILITY_L4T7_KEY = 24, |
| AV1_SCALABILITY_L3T2_KEY_SHIFT = 25, |
| AV1_SCALABILITY_L3T3_KEY_SHIFT = 26, |
| AV1_SCALABILITY_L4T5_KEY_SHIFT = 27, |
| AV1_SCALABILITY_L4T7_KEY_SHIFT = 28, |
| }; |
| |
| // Frame Restoration types (section 6.10.15) |
| enum { |
| AV1_RESTORE_NONE = 0, |
| AV1_RESTORE_WIENER = 1, |
| AV1_RESTORE_SGRPROJ = 2, |
| AV1_RESTORE_SWITCHABLE = 3, |
| }; |
| |
| #endif /* AVCODEC_AV1_H */ |