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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 "common/algorithm.h"
#include "audio/mixer.h"
#include "audio/audiostream.h"
#include "audio/decoders/raw.h"
#include "audio/decoders/wave.h"
#include "access/access.h"
#include "access/sound.h"
namespace Access {
SoundManager::SoundManager(AccessEngine *vm, Audio::Mixer *mixer) :
_vm(vm), _mixer(mixer) {
_music = nullptr;
_tempMusic = nullptr;
_musicRepeat = false;
_playingSound = false;
_isVoice = false;
}
SoundManager::~SoundManager() {
clearSounds();
delete _music;
delete _tempMusic;
}
void SoundManager::clearSounds() {
for (uint i = 0; i < _soundTable.size(); ++i)
delete _soundTable[i]._res;
_soundTable.clear();
}
void SoundManager::queueSound(int idx, int fileNum, int subfile) {
Resource *soundResource;
if (idx >= (int)_soundTable.size())
_soundTable.resize(idx + 1);
delete _soundTable[idx]._res;
soundResource = _vm->_files->loadFile(fileNum, subfile);
_soundTable[idx]._res = soundResource;
_soundTable[idx]._priority = 1;
}
Resource *SoundManager::loadSound(int fileNum, int subfile) {
return _vm->_files->loadFile(fileNum, subfile);
}
void SoundManager::playSound(int soundIndex) {
int priority = _soundTable[soundIndex]._priority;
playSound(_soundTable[soundIndex]._res, priority);
}
void SoundManager::playSound(Resource *res, int priority) {
byte *resourceData = res->data();
Audio::SoundHandle audioHandle;
Audio::RewindableAudioStream *audioStream = 0;
assert(res->_size >= 32);
if (READ_BE_UINT32(resourceData) == MKTAG('R','I','F','F')) {
// CD version uses WAVE-files
Common::SeekableReadStream *waveStream = new Common::MemoryReadStream(resourceData, res->_size, DisposeAfterUse::NO);
audioStream = Audio::makeWAVStream(waveStream, DisposeAfterUse::YES);
} else if (READ_BE_UINT32(resourceData) == MKTAG('S', 'T', 'E', 'V')) {
// sound files have a fixed header of 32 bytes in total
// header content:
// "STEVE" - fixed header
// byte - sample rate
// 01h mapped internally to 3Ch ??
// 02h mapped internally to 78h seems to be 11025Hz
// 03h mapped internally to B5h
// 04h mapped internally to F1h
// byte - unknown
// word - actual sample size (should be resource-size - 32)
byte internalSampleRate = resourceData[5];
int sampleSize = READ_LE_UINT16(resourceData + 7);
assert( (sampleSize + 32) == res->_size);
int sampleRate = 0;
switch (internalSampleRate) {
case 1: sampleRate = 16666; break; // 3Ch -> C4h time constant
case 2: sampleRate = 8334; break; // 78h -> 88h time constant
case 3: sampleRate = 5525; break; // B5h -> 4Bh time constant
case 4: sampleRate = 4150; break; // F1h -> 0Fh time constant
default:
error("Unexpected internal Sample Rate %d", internalSampleRate);
return;
}
audioStream = Audio::makeRawStream(resourceData + 32, sampleSize, sampleRate, 0);
} else
error("Unknown format");
audioHandle = Audio::SoundHandle();
_mixer->playStream(Audio::Mixer::kSFXSoundType, &audioHandle,
audioStream, -1, _mixer->kMaxChannelVolume, 0,
DisposeAfterUse::NO);
/*
Audio::QueuingAudioStream *audioStream = Audio::makeQueuingAudioStream(22050, false);
audioStream->queueBuffer(data, size, DisposeAfterUse::YES, 0);
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, audioStream, -1,
Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::YES, false);
*/
}
void SoundManager::loadSounds(Common::Array<RoomInfo::SoundIdent> &sounds) {
clearSounds();
for (uint i = 0; i < sounds.size(); ++i) {
Resource *sound = loadSound(sounds[i]._fileNum, sounds[i]._subfile);
_soundTable.push_back(SoundEntry(sound, sounds[i]._priority));
}
}
void SoundManager::midiPlay() {
// TODO
}
bool SoundManager::checkMidiDone() {
// TODO
return true;
}
void SoundManager::midiRepeat() {
// TODO
}
void SoundManager::stopSong() {
// TODO
}
void SoundManager::stopSound() {
// TODO: REALSTOPSND or BLASTSTOPSND or STOP_SOUNDG
}
void SoundManager::freeSounds() {
stopSound();
clearSounds();
}
void SoundManager::newMusic(int musicId, int mode) {
if (mode == 1) {
stopSong();
freeMusic();
_music = _tempMusic;
_tempMusic = nullptr;
_musicRepeat = true;
if (_music)
midiPlay();
} else {
_musicRepeat = (mode == 2);
_tempMusic = _music;
stopSong();
_music = loadSound(97, musicId);
}
}
void SoundManager::freeMusic() {
delete _music;
_music = nullptr;
}
} // End of namespace Access
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