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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/decoders/wave.h"
#include "common/memstream.h"
#include "titanic/sound/wave_file.h"
#include "titanic/sound/sound_manager.h"
#include "titanic/support/simple_file.h"
namespace Titanic {
CWaveFile::CWaveFile() : _soundManager(nullptr), _stream(nullptr),
_soundType(Audio::Mixer::kPlainSoundType) {
setup();
}
CWaveFile::CWaveFile(QSoundManager *owner) : _soundManager(owner), _stream(nullptr),
_soundType(Audio::Mixer::kPlainSoundType) {
setup();
}
void CWaveFile::setup() {
_loadMode = LOADMODE_SCUMMVM;
_field4 = 0;
_field14 = 1;
_dataSize = 0;
_audioBuffer = nullptr;
_disposeAudioBuffer = DisposeAfterUse::NO;
_channel = -1;
}
CWaveFile::~CWaveFile() {
if (_stream) {
_soundManager->soundFreed(_soundHandle);
delete _stream;
}
if (_disposeAudioBuffer == DisposeAfterUse::YES && _audioBuffer)
delete _audioBuffer;
}
uint CWaveFile::getDurationTicks() const {
if (!_stream)
return 0;
// FIXME: The original uses acmStreamSize to calculate
// a desired size. Since I have no idea how the system API
// method works, for now I'm using a simple ratio of a
// sample output to input value
uint dataSize = _dataSize - 0x46;
double newSize = (double)dataSize * (1475712.0 / 199836.0);
return (uint)(newSize * 1000.0 / _stream->getRate());
}
bool CWaveFile::loadSound(const CString &name) {
assert(!_stream);
StdCWadFile file;
if (!file.open(name))
return false;
Common::SeekableReadStream *stream = file.readStream();
_dataSize = stream->size();
_stream = Audio::makeWAVStream(stream->readStream(_dataSize), DisposeAfterUse::YES);
_soundType = Audio::Mixer::kSFXSoundType;
return true;
}
bool CWaveFile::loadSpeech(CDialogueFile *dialogueFile, int speechIndex) {
DialogueResource *res = dialogueFile->openWaveEntry(speechIndex);
if (!res)
return false;
byte *data = (byte *)malloc(res->_size);
dialogueFile->read(res, data, res->_size);
_dataSize = res->_size;
_stream = Audio::makeWAVStream(new Common::MemoryReadStream(data, _dataSize, DisposeAfterUse::YES),
DisposeAfterUse::YES);
_soundType = Audio::Mixer::kSpeechSoundType;
return true;
}
bool CWaveFile::loadMusic(const CString &name) {
assert(!_stream);
StdCWadFile file;
if (!file.open(name))
return false;
Common::SeekableReadStream *stream = file.readStream();
_dataSize = stream->size();
_stream = Audio::makeWAVStream(stream->readStream(_dataSize), DisposeAfterUse::YES);
_soundType = Audio::Mixer::kMusicSoundType;
return true;
}
bool CWaveFile::loadMusic(CAudioBuffer *buffer, DisposeAfterUse::Flag disposeAfterUse) {
_audioBuffer = buffer;
_disposeAudioBuffer = disposeAfterUse;
_loadMode = LOADMODE_AUDIO_BUFFER;
_field14 = 0;
return true;
}
uint CWaveFile::getFrequency() const {
return _stream->getRate();
}
void CWaveFile::reset() {
_stream->rewind();
}
const byte *CWaveFile::lock() {
switch (_loadMode) {
case LOADMODE_AUDIO_BUFFER:
// TODO: At this point, locking returning a pointer to a buffer
// into a QSound wave mixer, for pushing out
error("TODO: Handle pushing data to sound");
default:
return nullptr;
}
}
void CWaveFile::unlock(const byte *ptr) {
// No implementation needed in ScummVM
}
} // End of namespace Titanic z
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