1*b2055c35SXin Li // Copyright 2015 Google Inc. All Rights Reserved. 2*b2055c35SXin Li // 3*b2055c35SXin Li // Use of this source code is governed by a BSD-style license 4*b2055c35SXin Li // that can be found in the COPYING file in the root of the source 5*b2055c35SXin Li // tree. An additional intellectual property rights grant can be found 6*b2055c35SXin Li // in the file PATENTS. All contributing project authors may 7*b2055c35SXin Li // be found in the AUTHORS file in the root of the source tree. 8*b2055c35SXin Li // ----------------------------------------------------------------------------- 9*b2055c35SXin Li // 10*b2055c35SXin Li // Definitions and macros common to encoding and decoding 11*b2055c35SXin Li // 12*b2055c35SXin Li // Author: Skal ([email protected]) 13*b2055c35SXin Li 14*b2055c35SXin Li #ifndef WEBP_DEC_COMMON_DEC_H_ 15*b2055c35SXin Li #define WEBP_DEC_COMMON_DEC_H_ 16*b2055c35SXin Li 17*b2055c35SXin Li // intra prediction modes 18*b2055c35SXin Li enum { B_DC_PRED = 0, // 4x4 modes 19*b2055c35SXin Li B_TM_PRED = 1, 20*b2055c35SXin Li B_VE_PRED = 2, 21*b2055c35SXin Li B_HE_PRED = 3, 22*b2055c35SXin Li B_RD_PRED = 4, 23*b2055c35SXin Li B_VR_PRED = 5, 24*b2055c35SXin Li B_LD_PRED = 6, 25*b2055c35SXin Li B_VL_PRED = 7, 26*b2055c35SXin Li B_HD_PRED = 8, 27*b2055c35SXin Li B_HU_PRED = 9, 28*b2055c35SXin Li NUM_BMODES = B_HU_PRED + 1 - B_DC_PRED, // = 10 29*b2055c35SXin Li 30*b2055c35SXin Li // Luma16 or UV modes 31*b2055c35SXin Li DC_PRED = B_DC_PRED, V_PRED = B_VE_PRED, 32*b2055c35SXin Li H_PRED = B_HE_PRED, TM_PRED = B_TM_PRED, 33*b2055c35SXin Li B_PRED = NUM_BMODES, // refined I4x4 mode 34*b2055c35SXin Li NUM_PRED_MODES = 4, 35*b2055c35SXin Li 36*b2055c35SXin Li // special modes 37*b2055c35SXin Li B_DC_PRED_NOTOP = 4, 38*b2055c35SXin Li B_DC_PRED_NOLEFT = 5, 39*b2055c35SXin Li B_DC_PRED_NOTOPLEFT = 6, 40*b2055c35SXin Li NUM_B_DC_MODES = 7 }; 41*b2055c35SXin Li 42*b2055c35SXin Li enum { MB_FEATURE_TREE_PROBS = 3, 43*b2055c35SXin Li NUM_MB_SEGMENTS = 4, 44*b2055c35SXin Li NUM_REF_LF_DELTAS = 4, 45*b2055c35SXin Li NUM_MODE_LF_DELTAS = 4, // I4x4, ZERO, *, SPLIT 46*b2055c35SXin Li MAX_NUM_PARTITIONS = 8, 47*b2055c35SXin Li // Probabilities 48*b2055c35SXin Li NUM_TYPES = 4, // 0: i16-AC, 1: i16-DC, 2:chroma-AC, 3:i4-AC 49*b2055c35SXin Li NUM_BANDS = 8, 50*b2055c35SXin Li NUM_CTX = 3, 51*b2055c35SXin Li NUM_PROBAS = 11 52*b2055c35SXin Li }; 53*b2055c35SXin Li 54*b2055c35SXin Li #endif // WEBP_DEC_COMMON_DEC_H_ 55