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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 "sherlock/sherlock.h"
#include "sherlock/sound.h"
#include "common/config-manager.h"
#include "audio/audiostream.h"
#include "common/algorithm.h"
#include "audio/mixer.h"
#include "audio/decoders/raw.h"
namespace Sherlock {
Sound::Sound(SherlockEngine *vm, Audio::Mixer *mixer) : _vm(vm), _mixer(mixer) {
_digitized = false;
_music = false;
_voices = 0;
_diskSoundPlaying = false;
_soundPlaying = false;
_soundIsOn = &_soundPlaying;
_curPriority = 0;
_soundOn = true;
_musicOn = true;
_speechOn = true;
if (!_vm->_interactiveFl)
_vm->_res->addToCache("TITLE.SND");
else {
_vm->_res->addToCache("MUSIC.LIB");
_vm->_res->addToCache("SND.SND");
if (!_vm->getIsDemo()) {
_vm->_res->addToCache("TITLE.SND");
_vm->_res->addToCache("EPILOGUE.SND");
}
}
}
/**
* Saves sound-related settings
*/
void Sound::syncSoundSettings() {
_digitized = !ConfMan.getBool("mute");
_music = !ConfMan.getBool("mute") && !ConfMan.getBool("music_mute");
_voices = !ConfMan.getBool("mute") && !ConfMan.getBool("speech_mute") ? 1 : 0;
}
void Sound::loadSound(const Common::String &name, int priority) {
// No implementation required in ScummVM
warning("loadSound");
}
static int8 creativeADPCM_ScaleMap[64] = {
0, 1, 2, 3, 4, 5, 6, 7, 0, -1, -2, -3, -4, -5, -6, -7,
1, 3, 5, 7, 9, 11, 13, 15, -1, -3, -5, -7, -9, -11, -13, -15,
2, 6, 10, 14, 18, 22, 26, 30, -2, -6, -10, -14, -18, -22, -26, -30,
4, 12, 20, 28, 36, 44, 52, 60, -4, -12, -20, -28, -36, -44, -52, -60
};
static uint8 creativeADPCM_AdjustMap[64] = {
0, 0, 0, 0, 0, 16, 16, 16,
0, 0, 0, 0, 0, 16, 16, 16,
240, 0, 0, 0, 0, 16, 16, 16,
240, 0, 0, 0, 0, 16, 16, 16,
240, 0, 0, 0, 0, 16, 16, 16,
240, 0, 0, 0, 0, 16, 16, 16,
240, 0, 0, 0, 0, 0, 0, 0,
240, 0, 0, 0, 0, 0, 0, 0
};
byte Sound::decodeSample(byte sample, byte &reference, int16 &scale) {
int16 samp = sample + scale;
int16 ref = 0;
// clip bad ADPCM-4 sample
CLIP<int16>(samp, 0, 63);
ref = reference + creativeADPCM_ScaleMap[samp];
if (ref > 0xff) {
reference = 0xff;
} else {
if (ref < 0x00) {
reference = 0;
} else {
reference = (uint8)(ref & 0xff);
}
}
scale = (scale + creativeADPCM_AdjustMap[samp]) & 0xff;
return reference;
}
bool Sound::playSound(const Common::String &name, WaitType waitType, int priority) {
stopSound();
Common::String filename = name;
if (!filename.contains('.'))
filename += ".SND";
Common::SeekableReadStream *stream = _vm->_res->load(filename);
if (!stream)
error("Unable to find sound file '%s'", filename.c_str());
stream->skip(2);
int size = stream->readUint32BE();
int rate = stream->readUint16BE();
byte *data = (byte *)malloc(size);
byte *ptr = data;
stream->read(ptr, size);
assert(size > 2);
byte *decoded = (byte *)malloc((size - 1) * 2);
// Holmes uses Creative ADPCM 4-bit data
int counter = 0;
byte reference = ptr[0];
int16 scale = 0;
for(int i = 1; i < size; i++) {
decoded[counter++] = decodeSample((ptr[i]>>4)&0x0f, reference, scale);
decoded[counter++] = decodeSample((ptr[i]>>0)&0x0f, reference, scale);
}
free(data);
#if 0
// Debug : used to dump files
Common::DumpFile outFile;
outFile.open(filename);
outFile.write(decoded, (size - 2) * 2);
outFile.flush();
outFile.close();
#endif
Audio::AudioStream *audioStream = Audio::makeRawStream(decoded, (size - 2) * 2, rate, Audio::FLAG_UNSIGNED, DisposeAfterUse::YES);
_mixer->playStream(Audio::Mixer::kPlainSoundType, &_effectsHandle, audioStream, -1, Audio::Mixer::kMaxChannelVolume);
_soundPlaying = true;
_curPriority = priority;
if (waitType == WAIT_RETURN_IMMEDIATELY) {
_diskSoundPlaying = true;
return true;
}
bool retval = true;
do {
_vm->_events->pollEvents();
g_system->delayMillis(10);
if ((waitType == WAIT_KBD_OR_FINISH) && _vm->_events->kbHit()) {
retval = false;
break;
}
} while (!_vm->shouldQuit() && _mixer->isSoundHandleActive(_effectsHandle));
_soundPlaying = false;
_mixer->stopHandle(_effectsHandle);
return retval;
}
void Sound::playLoadedSound(int bufNum, WaitType waitType) {
if (_mixer->isSoundHandleActive(_effectsHandle) && (_curPriority > _vm->_scene->_sounds[bufNum]._priority))
return;
stopSound();
playSound(_vm->_scene->_sounds[bufNum]._name, waitType, _vm->_scene->_sounds[bufNum]._priority);
return;
}
void Sound::freeLoadedSounds() {
// As sounds are played with DisposeAfterUse::YES, stopping the sounds also
// frees them
stopSound();
}
void Sound::stopSound() {
_mixer->stopHandle(_effectsHandle);
}
void Sound::playMusic(const Common::String &name) {
// TODO
warning("Sound::playMusic %s", name.c_str());
Common::SeekableReadStream *stream = _vm->_res->load(name, "MUSIC.LIB");
byte *data = new byte[stream->size()];
byte *ptr = data;
stream->read(ptr, stream->size());
Common::DumpFile outFile;
outFile.open(name + ".RAW");
outFile.write(data, stream->size());
outFile.flush();
outFile.close();
delete[] data;
stopMusic();
startSong();
}
void Sound::stopMusic() {
// TODO
warning("TODO: Sound::stopMusic");
}
int Sound::loadSong(int songNumber) {
// TODO
warning("TODO: Sound::loadSong");
return 0;
}
void Sound::startSong() {
// TODO
warning("TODO: Sound::startSong");
}
void Sound::freeSong() {
// TODO
warning("TODO: Sound::freeSong");
}
void Sound::stopSndFuncPtr(int v1, int v2) {
// TODO
warning("TODO: Sound::stopSndFuncPtr");
}
void Sound::waitTimerRoland(uint time) {
// TODO
warning("TODO: Sound::waitTimerRoland");
}
void Sound::freeDigiSound() {
delete[] _digiBuf;
_digiBuf = nullptr;
_diskSoundPlaying = false;
_soundPlaying = false;
}
} // End of namespace Sherlock
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