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Committed patch #2100962 - "Saga engine reduced memory usage"

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svn-id: r34458
This commit is contained in:
Filippos Karapetis 2008-09-09 07:05:47 +00:00
parent 814e27fe40
commit 726e7e7ef9
1 changed files with 37 additions and 24 deletions
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61
engines/saga/sndres.cpp
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@ -169,7 +169,6 @@ void SndRes::playVoice(uint32 resourceId) {
}
bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buffer, bool onlyHeader) {
byte *soundResource;
Audio::AudioStream *voxStream;
size_t soundResourceLength;
bool result = false;
@ -180,13 +179,13 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
byte flags;
size_t voxSize;
const GameSoundInfo *soundInfo;
Common::File* file;
if (resourceId == (uint32)-1) {
return false;
}
if (_vm->getGameType() == GType_IHNM && _vm->isMacResources()) {
Common::File soundFile;
char soundFileName[40];
int dirIndex = resourceId / 64;
@ -199,15 +198,23 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
} else {
sprintf(soundFileName, "SFX/SFX%d/SFX%03x", dirIndex, resourceId);
}
soundFile.open(soundFileName);
soundResourceLength = soundFile.size();
soundResource = new byte[soundResourceLength];
soundFile.read(soundResource, soundResourceLength);
soundFile.close();
file = new Common::File();
file->open(soundFileName);
soundResourceLength = file->size();
} else {
_vm->_resource->loadResource(context, resourceId, soundResource, soundResourceLength);
ResourceData* resourceData = _vm->_resource->getResourceData(context, resourceId);
file = context->getFile(resourceData);
file->seek(resourceData->offset);
soundResourceLength = resourceData->size;
}
Common::SeekableReadStream& readS = *file;
if ((context->fileType & GAME_VOICEFILE) != 0) {
soundInfo = _vm->getVoiceInfo();
} else {
@ -220,16 +227,20 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
context->table[resourceId].fillSoundPatch(soundInfo);
}
MemoryReadStream readS(soundResource, soundResourceLength);
resourceType = soundInfo->resourceType;
if (soundResourceLength >= 8) {
if (!memcmp(soundResource, "Creative", 8)) {
byte header[8];
readS.read(&header, 8);
readS.seek(readS.pos() - 8);
if (!memcmp(header, "Creative", 8)) {
resourceType = kSoundVOC;
} else if (!memcmp(soundResource, "RIFF", 4) != 0) {
} else if (!memcmp(header, "RIFF", 4) != 0) {
resourceType = kSoundWAV;
} else if (!memcmp(soundResource, "FORM", 4) != 0) {
} else if (!memcmp(header, "FORM", 4) != 0) {
resourceType = kSoundAIFF;
}
@ -244,11 +255,11 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
uncompressedSound = true;
if ((_vm->getFeatures() & GF_COMPRESSED_SOUNDS) && !uncompressedSound) {
if (soundResource[0] == char(0)) {
if (header[0] == char(0)) {
resourceType = kSoundMP3;
} else if (soundResource[0] == char(1)) {
} else if (header[0] == char(1)) {
resourceType = kSoundOGG;
} else if (soundResource[0] == char(2)) {
} else if (header[0] == char(2)) {
resourceType = kSoundFLAC;
}
}
@ -268,9 +279,9 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
buffer.stereo = false;
if (onlyHeader) {
buffer.buffer = NULL;
free(soundResource);
} else {
buffer.buffer = soundResource;
buffer.buffer = (byte *) malloc(soundResourceLength);
readS.read(buffer.buffer, soundResourceLength);
}
result = true;
break;
@ -284,9 +295,10 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
buffer.buffer = NULL;
} else {
buffer.buffer = (byte *)malloc(buffer.size);
memcpy(buffer.buffer, soundResource + 36, buffer.size);
readS.seek(readS.pos() + 36);
readS.read(buffer.buffer, buffer.size);
}
free(soundResource);
result = true;
break;
case kSoundVOX:
@ -297,7 +309,6 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
buffer.size = soundResourceLength * 4;
if (onlyHeader) {
buffer.buffer = NULL;
free(soundResource);
} else {
voxStream = Audio::makeADPCMStream(&readS, false, soundResourceLength, Audio::kADPCMOki);
buffer.buffer = (byte *)malloc(buffer.size);
@ -325,7 +336,6 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
}
result = true;
}
free(soundResource);
break;
case kSoundWAV:
if (Audio::loadWAVFromStream(readS, size, rate, flags)) {
@ -342,7 +352,6 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
}
result = true;
}
free(soundResource);
break;
case kSoundAIFF:
if (Audio::loadAIFFFromStream(readS, size, rate, flags)) {
@ -359,7 +368,6 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
}
result = true;
}
free(soundResource);
break;
case kSoundMP3:
case kSoundOGG:
@ -382,12 +390,17 @@ bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buff
buffer.buffer = NULL;
result = true;
free(soundResource);
break;
default:
error("SndRes::load Unknown sound type");
}
if (_vm->getGameType() == GType_IHNM && _vm->isMacResources()) {
delete file;
}
// In ITE CD De some voices are absent and contain just 5 bytes header
// Round it to even number so soundmanager will not crash.
// See bug #1256701