scummvm/engines/dgds/sound_raw.cpp
2025-03-02 08:02:31 +11:00

92 lines
2.9 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "audio/mixer.h"
#include "audio/audiostream.h"
#include "audio/decoders/raw.h"
#include "dgds/dgds.h"
#include "dgds/sound_raw.h"
#include "dgds/includes.h"
namespace Dgds {
SoundRaw::SoundRaw(ResourceManager *resourceMan, Decompressor *decompressor) : _decompressor(decompressor), _resourceMan(resourceMan) {
}
void SoundRaw::load(const Common::String &filename) {
Common::SeekableReadStream *fileStream = _resourceMan->getResource(filename);
if (!fileStream)
error("SoundRaw::load: Couldn't get raw resource '%s'", filename.c_str());
_filename = filename;
_data.clear();
DgdsChunkReader chunk(fileStream);
while (chunk.readNextHeader(EX_RAW, filename)) {
chunk.readContent(_decompressor);
Common::SeekableReadStream *stream = chunk.getContent();
if (chunk.isSection(ID_RAW)) {
loadFromStream(stream, chunk.getSize());
break;
}
}
if (_data.empty())
warning("SoundRaw::load: Didn't load any data from '%s'", filename.c_str());
}
SoundRaw::~SoundRaw() {
stop();
}
void SoundRaw::loadFromStream(Common::SeekableReadStream *stream, int size) {
_data.resize(size);
stream->read(_data.data(), size);
}
void SoundRaw::play() {
debug(10, "SoundRaw: Play %d bytes from %s", _data.size(), _filename.c_str());
Audio::Mixer *mixer = DgdsEngine::getInstance()->_mixer;
Audio::AudioStream *input = Audio::makeRawStream(_data.data(), _data.size(),
11025, Audio::FLAG_UNSIGNED, DisposeAfterUse::NO);
mixer->playStream(Audio::Mixer::kSFXSoundType, &_handle, input, -1, 255, 0, DisposeAfterUse::YES);
}
void SoundRaw::stop() {
Audio::Mixer *mixer = DgdsEngine::getInstance()->_mixer;
mixer->stopHandle(_handle);
}
bool SoundRaw::isPlaying() const {
Audio::Mixer *mixer = DgdsEngine::getInstance()->_mixer;
return mixer->isSoundHandleActive(_handle);
}
uint32 SoundRaw::playedOffset() const {
if (!isPlaying())
return 0xFFFFFFFF;
Audio::Mixer *mixer = DgdsEngine::getInstance()->_mixer;
uint32 msecs = mixer->getSoundElapsedTime(_handle);
return (msecs * 11025) / 1000;
}
} // end namespace Dgds