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