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authorMax Horn2011-04-13 12:48:37 +0200
committerMax Horn2011-04-13 12:48:58 +0200
commit8f70e089ac721176fb543b88f00b4c97ac945b14 (patch)
tree1cbe9fbb18b78d05f19ecf8eb9b77b481490c47d /video
parent1759209b3b89b0edacaa79383ea54f850f22235b (diff)
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VIDEO: Use shared ADPCM data tables in VMDDecoder
Diffstat (limited to 'video')
-rw-r--r--video/coktel_decoder.cpp27
-rw-r--r--video/coktel_decoder.h2
2 files changed, 4 insertions, 25 deletions
diff --git a/video/coktel_decoder.cpp b/video/coktel_decoder.cpp
index a755d18bb0..0ab12e91cc 100644
--- a/video/coktel_decoder.cpp
+++ b/video/coktel_decoder.cpp
@@ -34,6 +34,7 @@
#include "audio/audiostream.h"
#include "audio/decoders/raw.h"
+#include "audio/decoders/adpcm_intern.h"
#include "common/memstream.h"
static const uint32 kVideoCodecIndeo3 = MKTAG('i','v','3','2');
@@ -1516,26 +1517,6 @@ const uint16 VMDDecoder::_tableDPCM[128] = {
0x0F00, 0x1000, 0x1400, 0x1800, 0x1C00, 0x2000, 0x3000, 0x4000
};
-const int32 VMDDecoder::_tableADPCM[] = {
- 7, 8, 9, 10, 11, 12, 13, 14,
- 16, 17, 19, 21, 23, 25, 28, 31,
- 34, 37, 41, 45, 50, 55, 60, 66,
- 73, 80, 88, 97, 107, 118, 130, 143,
- 157, 173, 190, 209, 230, 253, 279, 307,
- 337, 371, 408, 449, 494, 544, 598, 658,
- 724, 796, 876, 963, 1060, 1166, 1282, 1411,
- 1552, 1707, 1878, 2066, 2272, 2499, 2749, 3024,
- 3327, 3660, 4026, 4428, 4871, 5358, 5894, 6484,
- 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
- 15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794,
- 32767, 0
-};
-
-const int32 VMDDecoder::_tableADPCMStep[] = {
- -1, -1, -1, -1, 2, 4, 6, 8,
- -1, -1, -1, -1, 2, 4, 6, 8
-};
-
VMDDecoder::VMDDecoder(Audio::Mixer *mixer, Audio::Mixer::SoundType soundType) : CoktelDecoder(mixer, soundType),
_stream(0), _version(0), _flags(0), _frameInfoOffset(0), _partsPerFrame(0), _frames(0),
_soundFlags(0), _soundFreq(0), _soundSliceSize(0), _soundSlicesCount(0),
@@ -2617,7 +2598,7 @@ byte *VMDDecoder::deADPCM(const byte *data, uint32 &size, int32 init, int32 inde
index = CLIP<int32>(index, 0, 88);
- int32 predictor = _tableADPCM[index];
+ int32 predictor = Audio::Ima_ADPCMStream::_imaTable[index];
uint32 dataByte = 0;
bool newByte = true;
@@ -2634,7 +2615,7 @@ byte *VMDDecoder::deADPCM(const byte *data, uint32 &size, int32 init, int32 inde
newByte = !newByte;
- index += _tableADPCMStep[code];
+ index += Audio::ADPCMStream::_stepAdjustTable[code];
index = CLIP<int32>(index, 0, 88);
int32 value = predictor / 8;
@@ -2653,7 +2634,7 @@ byte *VMDDecoder::deADPCM(const byte *data, uint32 &size, int32 init, int32 inde
init = CLIP<int32>(init, -32768, 32767);
- predictor = _tableADPCM[index];
+ predictor = Audio::Ima_ADPCMStream::_imaTable[index];
*out++ = TO_BE_16(init);
}
diff --git a/video/coktel_decoder.h b/video/coktel_decoder.h
index 9c8263be9d..e83e1d29ed 100644
--- a/video/coktel_decoder.h
+++ b/video/coktel_decoder.h
@@ -431,8 +431,6 @@ private:
// Tables for the audio decompressors
static const uint16 _tableDPCM[128];
- static const int32 _tableADPCM[];
- static const int32 _tableADPCMStep[];
Common::SeekableReadStream *_stream;