54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
// Copyright 2015 Google Inc. All Rights Reserved.
|
|
//
|
|
// Use of this source code is governed by a BSD-style license
|
|
// that can be found in the COPYING file in the root of the source
|
|
// tree. An additional intellectual property rights grant can be found
|
|
// in the file PATENTS. All contributing project authors may
|
|
// be found in the AUTHORS file in the root of the source tree.
|
|
// -----------------------------------------------------------------------------
|
|
//
|
|
// Definitions and macros common to encoding and decoding
|
|
//
|
|
// Author: Skal (pascal.massimino@gmail.com)
|
|
|
|
#ifndef WEBP_DEC_COMMON_H_
|
|
#define WEBP_DEC_COMMON_H_
|
|
|
|
// intra prediction modes
|
|
enum { B_DC_PRED = 0, // 4x4 modes
|
|
B_TM_PRED = 1,
|
|
B_VE_PRED = 2,
|
|
B_HE_PRED = 3,
|
|
B_RD_PRED = 4,
|
|
B_VR_PRED = 5,
|
|
B_LD_PRED = 6,
|
|
B_VL_PRED = 7,
|
|
B_HD_PRED = 8,
|
|
B_HU_PRED = 9,
|
|
NUM_BMODES = B_HU_PRED + 1 - B_DC_PRED, // = 10
|
|
|
|
// Luma16 or UV modes
|
|
DC_PRED = B_DC_PRED, V_PRED = B_VE_PRED,
|
|
H_PRED = B_HE_PRED, TM_PRED = B_TM_PRED,
|
|
B_PRED = NUM_BMODES, // refined I4x4 mode
|
|
NUM_PRED_MODES = 4,
|
|
|
|
// special modes
|
|
B_DC_PRED_NOTOP = 4,
|
|
B_DC_PRED_NOLEFT = 5,
|
|
B_DC_PRED_NOTOPLEFT = 6,
|
|
NUM_B_DC_MODES = 7 };
|
|
|
|
enum { MB_FEATURE_TREE_PROBS = 3,
|
|
NUM_MB_SEGMENTS = 4,
|
|
NUM_REF_LF_DELTAS = 4,
|
|
NUM_MODE_LF_DELTAS = 4, // I4x4, ZERO, *, SPLIT
|
|
MAX_NUM_PARTITIONS = 8,
|
|
// Probabilities
|
|
NUM_TYPES = 4, // 0: i16-AC, 1: i16-DC, 2:chroma-AC, 3:i4-AC
|
|
NUM_BANDS = 8,
|
|
NUM_CTX = 3,
|
|
NUM_PROBAS = 11
|
|
};
|
|
|
|
#endif // WEBP_DEC_COMMON_H_
|