scummvm/engines/chewy/sound.cpp

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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 "audio/audiostream.h"
#include "audio/mixer.h"
#include "audio/decoders/raw.h"
#include "common/system.h"
#include "chewy/resource.h"
#include "chewy/sound.h"
namespace Chewy {
Sound::Sound(Audio::Mixer *mixer) {
_mixer = mixer;
_speechRes = new SoundResource("speech.tvp");
_soundRes = new SoundResource("details.tap");
}
Sound::~Sound() {
delete _soundRes;
delete _speechRes;
}
void Sound::playSound(int num, bool loop, uint channel) {
SoundChunk *sound = _soundRes->getSound(num);
byte *data = (byte *)malloc(sound->size);
memcpy(data, sound->data, sound->size);
playSound(data, sound->size, loop, channel);
delete[] sound->data;
delete sound;
}
void Sound::playSound(byte *data, uint32 size, bool loop, uint channel, DisposeAfterUse::Flag dispose) {
Audio::AudioStream *stream = Audio::makeLoopingAudioStream(
Audio::makeRawStream(data,
size, 22050, Audio::FLAG_UNSIGNED,
dispose),
loop ? 0 : 1);
_mixer->playStream(Audio::Mixer::kSFXSoundType, &_soundHandle[channel], stream);
}
void Sound::pauseSound(uint channel) {
assert(channel < MAX_SOUND_EFFECTS);
_mixer->pauseHandle(_soundHandle[channel], true);
}
void Sound::resumeSound(uint channel) {
assert(channel < MAX_SOUND_EFFECTS);
_mixer->pauseHandle(_soundHandle[channel], false);
}
void Sound::stopSound(uint channel) {
assert(channel < MAX_SOUND_EFFECTS);
_mixer->stopHandle(_soundHandle[channel]);
}
bool Sound::isSoundActive(uint channel) {
assert(channel < MAX_SOUND_EFFECTS);
return _mixer->isSoundHandleActive(_soundHandle[channel]);
}
void Sound::setSoundVolume(uint volume) {
_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, volume);
}
void Sound::setSoundChannelVolume(uint channel, uint volume) {
assert(channel < MAX_SOUND_EFFECTS);
_mixer->setChannelVolume(_soundHandle[channel], volume);
}
void Sound::setSoundChannelBalance(uint channel, uint balance) {
assert(channel < MAX_SOUND_EFFECTS);
_mixer->setChannelBalance(_soundHandle[channel], balance);
}
void Sound::playMusic(int num, bool loop) {
uint32 musicNum = _soundRes->getChunkCount() - 1 - num;
Chunk *chunk = _soundRes->getChunk(musicNum);
byte *data = _soundRes->getChunkData(musicNum);
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playMusic(data, chunk->size, loop);
delete[] data;
delete chunk;
}
void Sound::playMusic(byte *data, uint32 size, bool loop, DisposeAfterUse::Flag dispose) {
byte *modData = nullptr;
uint32 modSize;
// TODO: TMF music files are similar to MOD files. With the following
// incorrect implementation, the PCM parts of these files can be played
warning("The current music playing implementation is wrong");
modSize = size;
modData = (byte *)malloc(modSize);
memcpy(modData, data, size);
//convertTMFToMod(data, size, modData, modSize);
Audio::AudioStream *stream = Audio::makeLoopingAudioStream(
Audio::makeRawStream(modData,
modSize, 22050, Audio::FLAG_UNSIGNED,
dispose),
loop ? 0 : 1);
_mixer->playStream(Audio::Mixer::kMusicSoundType, &_musicHandle, stream);
}
void Sound::pauseMusic() {
_mixer->pauseHandle(_musicHandle, true);
}
void Sound::resumeMusic() {
_mixer->pauseHandle(_musicHandle, false);
}
void Sound::stopMusic() {
_mixer->stopHandle(_musicHandle);
}
bool Sound::isMusicActive() {
return _mixer->isSoundHandleActive(_musicHandle);
}
void Sound::setMusicVolume(uint volume) {
_mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, volume);
}
void Sound::playSpeech(int num) {
SoundChunk *sound = _speechRes->getSound(num);
byte *data = (byte *)malloc(sound->size);
memcpy(data, sound->data, sound->size);
Audio::AudioStream *stream = Audio::makeLoopingAudioStream(
Audio::makeRawStream(data,
sound->size, 22050, Audio::FLAG_UNSIGNED,
DisposeAfterUse::YES),
1);
_mixer->playStream(Audio::Mixer::kSpeechSoundType, &_speechHandle, stream);
delete[] sound->data;
delete sound;
}
void Sound::pauseSpeech() {
_mixer->pauseHandle(_speechHandle, true);
}
void Sound::resumeSpeech() {
_mixer->pauseHandle(_speechHandle, false);
}
void Sound::stopSpeech() {
_mixer->stopHandle(_speechHandle);
}
bool Sound::isSpeechActive() {
return _mixer->isSoundHandleActive(_speechHandle);
}
void Sound::setSpeechVolume(uint volume) {
_mixer->setVolumeForSoundType(Audio::Mixer::kSpeechSoundType, volume);
}
void Sound::stopAll() {
_mixer->stopAll();
}
void Sound::convertTMFToMod(byte *tmfData, uint32 tmfSize, byte *modData, uint32 &modSize) {
// Convert the TMF stream back to a regular Protracker MOD stream
const int maxInstruments = 31;
// Extra bytes needed: 20 bytes song name, 31 * 22 instrument names, 4 magic bytes "M.K."
modSize = tmfSize + 20 + maxInstruments * 22 + 4;
modData = (byte *)malloc(modSize);
byte *tmfPtr = tmfData;
byte *modPtr = modData;
const byte songName[20] = {
'S', 'C', 'U', 'M', 'M',
'V', 'M', ' ', 'M', 'O',
'D', 'U', 'L', 'E', '\0',
'\0', '\0', '\0', '\0', '\0'
};
const byte instrumentName[22] = {
'S', 'C', 'U', 'M', 'M',
'V', 'M', ' ', 'I', 'N',
'S', 'T', 'R', 'U', 'M',
'E', 'N', 'T', '\0', '\0',
'\0', '\0'
};
if (READ_BE_UINT32(tmfPtr) != MKTAG('T', 'M', 'F', '\0'))
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error("Corrupt TMF resource");
tmfPtr += 4;
memcpy(modPtr, songName, 20);
modPtr += 20;
byte fineTune, instVolume;
uint16 repeatPoint, repeatLength, sampleLength;
for (int i = 0; i < maxInstruments; i++) {
fineTune = *tmfPtr++;
instVolume = *tmfPtr++;
repeatPoint = READ_BE_UINT16(tmfPtr); tmfPtr += 2;
repeatLength = READ_BE_UINT16(tmfPtr); tmfPtr += 2;
sampleLength = READ_BE_UINT16(tmfPtr); tmfPtr += 2;
// Instrument name
memcpy(modPtr, instrumentName, 18); modPtr += 18;
*modPtr++ = ' ';
*modPtr++ = i / 10;
*modPtr++ = i % 10;
*modPtr++ = '\0';
WRITE_BE_UINT16(modPtr, sampleLength / 2); modPtr += 2;
*modPtr++ = fineTune;
*modPtr++ = instVolume;
WRITE_BE_UINT16(modPtr, repeatPoint / 2); modPtr += 2;
WRITE_BE_UINT16(modPtr, repeatLength / 2); modPtr += 2;
}
*modPtr++ = *tmfPtr++; // song length
*modPtr++ = *tmfPtr++; // undef
memcpy(modPtr, tmfPtr, 128);
modPtr += 128;
tmfPtr += 128;
WRITE_BE_UINT32(modPtr, MKTAG('M', '.', 'K', '.')); modPtr += 4;
// TODO: 31 bytes instrument positions
// TODO: notes
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free(modData);
}
} // End of namespace Chewy