X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fav1.h;h=6c0e32485bf3b77fa272042264de59803e2b80f0;hb=b7d89963f00bd82f5cf230d7a7c865126fffc5fb;hp=c989b69974cd07669330c551b0d9aeada33d6a89;hpb=14fe81b3a88dfe4dbac12e8715f9a3f05b5ef1bf;p=ffmpeg

diff --git a/libavcodec/av1.h b/libavcodec/av1.h
index c989b69974c..6c0e32485bf 100644
--- a/libavcodec/av1.h
+++ b/libavcodec/av1.h
@@ -39,4 +39,125 @@ typedef enum {
     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,
+};
+
 #endif /* AVCODEC_AV1_H */