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https://github.com/scummvm/scummvm.git
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95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "vcruise/audio_player.h"
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namespace VCruise {
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AudioPlayer::AudioPlayer(Audio::Mixer *mixer, const Common::SharedPtr<Audio::AudioStream> &baseStream, Audio::Mixer::SoundType soundType)
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: _exhausted(false), _isPlaying(false), _mixer(mixer), _baseStream(baseStream), _soundType(soundType) {
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}
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AudioPlayer::~AudioPlayer() {
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stop();
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}
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int AudioPlayer::readBuffer(int16 *buffer, const int numSamplesTimesChannelCount) {
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Common::StackLock lock(_mutex);
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int samplesRead = 0;
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if (_exhausted)
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return 0;
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samplesRead = _baseStream->readBuffer(buffer, numSamplesTimesChannelCount);
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if (samplesRead != numSamplesTimesChannelCount)
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_exhausted = true;
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return samplesRead;
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}
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bool AudioPlayer::isStereo() const {
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return _baseStream->isStereo();
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}
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int AudioPlayer::getRate() const {
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return _baseStream->getRate();
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}
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bool AudioPlayer::endOfData() const {
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return _exhausted;
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}
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void AudioPlayer::play(byte volume, int8 balance) {
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if (!_isPlaying) {
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_isPlaying = true;
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_exhausted = false;
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_mixer->playStream(_soundType, &_handle, this, -1, volume, balance, DisposeAfterUse::NO);
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}
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}
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void AudioPlayer::setVolume(byte volume) {
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_mixer->setChannelVolume(_handle, volume);
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}
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void AudioPlayer::setBalance(int8 balance) {
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_mixer->setChannelBalance(_handle, balance);
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}
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void AudioPlayer::setVolumeAndBalance(byte volume, int8 balance) {
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if (_isPlaying) {
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Common::StackLock lock(_mixer->mutex());
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_mixer->setChannelVolume(_handle, volume);
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_mixer->setChannelBalance(_handle, balance);
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}
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}
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void AudioPlayer::stop() {
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if (_isPlaying) {
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_mixer->stopHandle(_handle);
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_isPlaying = false;
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}
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_exhausted = true;
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}
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} // End of namespace VCruise
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