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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2005 The ScummVM project
*
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
// Sound resource management class
#include "saga/saga.h"
#include "saga/rscfile.h"
#include "saga/sndres.h"
#include "saga/sound.h"
#include "saga/stream.h"
#include "common/file.h"
#include "sound/voc.h"
#include "sound/wave.h"
#include "sound/adpcm.h"
#include "sound/audiostream.h"
namespace Saga {
SndRes::SndRes(SagaEngine *vm) : _vm(vm) {
/* Load sound module resource file contexts */
_sfxContext = _vm->_resource->getContext(GAME_SOUNDFILE);
if (_sfxContext == NULL) {
error("SndRes::SndRes resource context not found");
}
_voiceContext = _vm->_resource->getContext(GAME_VOICEFILE);
if (_voiceContext == NULL) {
error("SndRes::SndRes resource context not found");
}
// Grab sound resource information for the current game
_soundInfo = *_vm->getSoundInfo();
}
void SndRes::playSound(uint32 resourceId, int volume, bool loop) {
SoundBuffer buffer;
debug(4, "SndRes::playSound %i", resourceId);
if (!load(_sfxContext, resourceId, buffer, false)) {
warning("Failed to load sound");
return;
}
_vm->_sound->playSound(buffer, volume, loop);
}
void SndRes::playVoice(uint32 resourceId) {
SoundBuffer buffer;
debug(4, "SndRes::playVoice %i", resourceId);
if (!load(_voiceContext, resourceId, buffer, false)) {
warning("Failed to load voice");
return;
}
_vm->_sound->playVoice(buffer);
}
bool SndRes::load(ResourceContext *context, uint32 resourceId, SoundBuffer &buffer, bool onlyHeader) {
byte *soundResource;
AudioStream *voxStream;
size_t soundResourceLength;
bool result = false;
GameSoundTypes resourceType;
byte *data;
int rate;
int size;
byte flags;
bool voxPcm;
size_t voxSize;
if (resourceId == (int32)-1) {
return false;
}
_vm->_resource->loadResource(context, resourceId, soundResource, soundResourceLength);
MemoryReadStream readS(soundResource, soundResourceLength);
//TODO: check soundResource header - game may have GAME_SOUND_PCM, but patch file can be GAME_SOUND_VOC
resourceType = _soundInfo.resourceType;
if (soundResourceLength >= 8) {
if (!memcmp(&soundResource, "Creative", 8)) {
resourceType = GAME_SOUND_VOC;
} else if (!memcmp(soundResource, "RIFF", 4) != 0) {
resourceType = GAME_SOUND_WAV;
}
}
switch (resourceType) {
case GAME_SOUND_PCM:
buffer.frequency = _soundInfo.frequency;
buffer.isSigned = true;
voxPcm = (_vm->getFeatures() & GF_VOX_VOICES);
if (voxPcm) {
if (_vm->getGameType() == GType_ITE) {
//.iaf is not vox
if (_vm->_resource->getResourceData(context, resourceId)->patchFile != NULL) {
voxPcm = false;
}
}
}
if (voxPcm) {
buffer.sampleBits = 16;
buffer.stereo = false;
buffer.size = soundResourceLength * 4;
if (onlyHeader) {
buffer.buffer = NULL;
free(soundResource);
} else {
voxStream = makeADPCMStream(readS, soundResourceLength, kADPCMOki);
buffer.buffer = (byte *)malloc(buffer.size);
voxSize = voxStream->readBuffer((int16*)buffer.buffer, soundResourceLength * 2);
if (voxSize != soundResourceLength * 2) {
error("SndRes::load() wrong VOX output size");
}
delete voxStream;
}
} else {
buffer.sampleBits = _soundInfo.sampleBits;
buffer.size = soundResourceLength;
buffer.stereo = _soundInfo.stereo;
if (onlyHeader) {
buffer.buffer = NULL;
free(soundResource);
} else {
buffer.buffer = soundResource;
}
}
result = true;
break;
case GAME_SOUND_VOC:
data = loadVOCFromStream(readS, size, rate);
if (data) {
buffer.frequency = rate;
buffer.sampleBits = 8;
buffer.stereo = false;
buffer.isSigned = false;
buffer.size = size;
if (onlyHeader) {
buffer.buffer = NULL;
free(data);
} else {
buffer.buffer = data;
}
result = true;
}
free(soundResource);
break;
case GAME_SOUND_WAV:
if (loadWAVFromStream(readS, size, rate, flags)) {
buffer.frequency = rate;
buffer.sampleBits = 16;
buffer.stereo = ((flags & Audio::Mixer::FLAG_STEREO) != 0);
buffer.isSigned = true;
buffer.size = size;
if (onlyHeader) {
buffer.buffer = NULL;
} else {
buffer.buffer = (byte *)malloc(size);
readS.read(buffer.buffer, size);
}
result = true;
}
free(soundResource);
break;
default:
error("SndRes::load Unknown sound type");
}
return result;
}
int SndRes::getVoiceLength(uint32 resourceId) {
bool voiceFile = false;
double msDouble;
SoundBuffer buffer;
if (!load(_voiceContext, resourceId, buffer, true)) {
return -1;
}
msDouble = (double)buffer.size;
if (buffer.sampleBits == 16) {
msDouble /= 2.0;
}
if (buffer.stereo) {
msDouble /= 2.0;
}
msDouble = msDouble / buffer.frequency * 1000.0;
return (int)msDouble;
}
} // End of namespace Saga
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