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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "mads/audio.h"
#include "mads/compression.h"
#include "common/stream.h"
#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "audio/decoders/raw.h"
namespace MADS {
AudioPlayer::AudioPlayer(Audio::Mixer *mixer, uint32 gameID) : _mixer(mixer), _gameID(gameID) {
setVolume(Audio::Mixer::kMaxChannelVolume);
setDefaultSoundGroup();
}
AudioPlayer::~AudioPlayer() {
_dsrEntries.clear();
}
bool AudioPlayer::isPlaying() const {
return _mixer->isSoundHandleActive(_handle);
}
void AudioPlayer::setVolume(int volume) {
_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, volume);
_mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, volume);
}
void AudioPlayer::setDefaultSoundGroup() {
switch (_gameID) {
case GType_RexNebular:
setSoundGroup("rex009.dsr");
break;
case GType_Dragonsphere:
setSoundGroup("drag009.dsr");
break;
case GType_Phantom:
setSoundGroup("phan009.dsr");
break;
default:
error("setDefaultSoundGroup: Unknown game");
}
}
void AudioPlayer::setSoundGroup(const Common::String &filename) {
_dsrEntries.clear();
_filename = filename;
_dsrFile.open(filename);
// Read header
uint16 entryCount = _dsrFile.readUint16LE();
for (uint16 i = 0; i < entryCount; i++) {
DSREntry newEntry;
newEntry.frequency = _dsrFile.readUint16LE();
newEntry.channels = _dsrFile.readUint32LE();
newEntry.compSize = _dsrFile.readUint32LE();
newEntry.uncompSize = _dsrFile.readUint32LE();
newEntry.offset = _dsrFile.readUint32LE();
_dsrEntries.push_back(newEntry);
}
_dsrFile.close();
}
void AudioPlayer::playSound(int soundIndex, bool loop) {
if (_dsrEntries.empty()) {
warning("DSR file not loaded, not playing sound");
return;
}
if (soundIndex < 0 || soundIndex > (int)_dsrEntries.size() - 1) {
warning("Invalid sound index: %i (max %i), not playing sound", soundIndex, _dsrEntries.size() - 1);
return;
}
// Get sound data
FabDecompressor fab;
int32 compSize = _dsrEntries[soundIndex].compSize;
int32 uncompSize = _dsrEntries[soundIndex].uncompSize;
int32 offset = _dsrEntries[soundIndex].offset;
int16 frequency = _dsrEntries[soundIndex].frequency;
byte *compData = new byte[compSize];
byte *buffer = new byte[uncompSize];
_dsrFile.open(_filename);
_dsrFile.seek(offset, SEEK_SET);
_dsrFile.read(compData, compSize);
_dsrFile.close();
fab.decompress(compData, compSize, buffer, uncompSize);
// Play sound
Audio::AudioStream *stream = Audio::makeLoopingAudioStream(
Audio::makeRawStream(buffer, uncompSize, frequency, Audio::FLAG_UNSIGNED),
loop ? 0 : 1);
_mixer->playStream(Audio::Mixer::kSFXSoundType, &_handle, stream, -1, Audio::Mixer::kMaxChannelVolume);
/*
// Dump the sound file
FILE *destFile = fopen("sound.raw", "wb");
fwrite(_dsrFile.dsrEntries[soundIndex]->data, _dsrFile.dsrEntries[soundIndex].uncompSize, 1, destFile);
fclose(destFile);
*/
}
} // End of namespace M4
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