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authorTony Puccinelli2010-06-05 01:05:19 +0000
committerTony Puccinelli2010-06-05 01:05:19 +0000
commit95e56f2052956e80a6319b2916a8f899340effaf (patch)
treef9525eb32e05f1a4746233fe3daf254d07cb83ab /graphics/video/smk_decoder.cpp
parent28e28a2fea9f6adf4967463024c609e6a01ac5b0 (diff)
parent3a5fe4ca002a85f7c4549c8d36203553553c53f9 (diff)
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merged trunk into branch and corrected __PS2__ to __PLAYSTATION2__ in a couple files
svn-id: r49435
Diffstat (limited to 'graphics/video/smk_decoder.cpp')
-rw-r--r--graphics/video/smk_decoder.cpp34
1 files changed, 25 insertions, 9 deletions
diff --git a/graphics/video/smk_decoder.cpp b/graphics/video/smk_decoder.cpp
index 68fac32aae..3f200b5971 100644
--- a/graphics/video/smk_decoder.cpp
+++ b/graphics/video/smk_decoder.cpp
@@ -422,24 +422,36 @@ bool SmackerDecoder::load(Common::SeekableReadStream &stream) {
for (i = 0; i < 7; ++i) {
// AudioRate - Frequency and format information for each sound track, up to 7 audio tracks.
// The 32 constituent bits have the following meaning:
- // * bit 31 - data is compressed
+ // * bit 31 - indicates Huffman + DPCM compression
// * bit 30 - indicates that audio data is present for this track
// * bit 29 - 1 = 16-bit audio; 0 = 8-bit audio
// * bit 28 - 1 = stereo audio; 0 = mono audio
- // * bits 27-26 - if both set to zero - use v2 sound decompression
+ // * bit 27 - indicates Bink RDFT compression
+ // * bit 26 - indicates Bink DCT compression
// * bits 25-24 - unused
// * bits 23-0 - audio sample rate
uint32 audioInfo = _fileStream->readUint32LE();
- _header.audioInfo[i].isCompressed = audioInfo & 0x80000000;
_header.audioInfo[i].hasAudio = audioInfo & 0x40000000;
_header.audioInfo[i].is16Bits = audioInfo & 0x20000000;
_header.audioInfo[i].isStereo = audioInfo & 0x10000000;
- _header.audioInfo[i].hasV2Compression = !(audioInfo & 0x8000000) &&
- !(audioInfo & 0x4000000);
_header.audioInfo[i].sampleRate = audioInfo & 0xFFFFFF;
- if (_header.audioInfo[i].hasAudio && i == 0)
- _audioStream = Audio::makeQueuingAudioStream(_header.audioInfo[0].sampleRate, _header.audioInfo[0].isStereo);
+ if (audioInfo & 0x8000000)
+ _header.audioInfo[i].compression = kCompressionRDFT;
+ else if (audioInfo & 0x4000000)
+ _header.audioInfo[i].compression = kCompressionDCT;
+ else if (audioInfo & 0x80000000)
+ _header.audioInfo[i].compression = kCompressionDPCM;
+ else
+ _header.audioInfo[i].compression = kCompressionNone;
+
+ if (_header.audioInfo[i].hasAudio) {
+ if (_header.audioInfo[i].compression == kCompressionRDFT || _header.audioInfo[i].compression == kCompressionDCT)
+ warning("Unhandled Smacker v2 audio compression");
+
+ if (i == 0)
+ _audioStream = Audio::makeQueuingAudioStream(_header.audioInfo[0].sampleRate, _header.audioInfo[0].isStereo);
+ }
}
_header.dummy = _fileStream->readUint32LE();
@@ -528,7 +540,7 @@ Surface *SmackerDecoder::decodeNextFrame() {
chunkSize = _fileStream->readUint32LE();
chunkSize -= 4; // subtract the first 4 bytes (chunk size)
- if (_header.audioInfo[i].isCompressed) {
+ if (_header.audioInfo[i].compression != kCompressionNone) {
dataSizeUnpacked = _fileStream->readUint32LE();
chunkSize -= 4; // subtract the next 4 bytes (unpacked data size)
} else {
@@ -541,7 +553,11 @@ Surface *SmackerDecoder::decodeNextFrame() {
_fileStream->read(soundBuffer, chunkSize);
- if (_header.audioInfo[i].isCompressed) {
+ if (_header.audioInfo[i].compression == kCompressionRDFT || _header.audioInfo[i].compression == kCompressionDCT) {
+ // TODO: Compressed audio (Bink RDFT/DCT encoded)
+ free(soundBuffer);
+ continue;
+ } else if (_header.audioInfo[i].compression == kCompressionDPCM) {
// Compressed audio (Huffman DPCM encoded)
queueCompressedBuffer(soundBuffer, chunkSize, dataSizeUnpacked, i);
free(soundBuffer);