| 
| enum   | AV1_OBU_Type {  
  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, 
 
  AV1_OBU_PADDING = 15
 
 } | 
|   | 
| 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
 
 } | 
|   | 
| enum   | { AV1_FRAME_KEY = 0, 
AV1_FRAME_INTER = 1, 
AV1_FRAME_INTRA_ONLY = 2, 
AV1_FRAME_SWITCH = 3
 } | 
|   | 
| 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
 
 } | 
|   | 
| 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
 
 } | 
|   | 
| enum   | { AV1_CSP_UNKNOWN = 0, 
AV1_CSP_VERTICAL = 1, 
AV1_CSP_COLOCATED = 2
 } | 
|   | 
| 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
 
 } | 
|   | 
AV1 common definitions 
Definition in file av1.h.