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https://github.com/libretro/scummvm.git
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69 lines
2.2 KiB
C++
69 lines
2.2 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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#ifndef MTROPOLIS_AUDIO_PLAYER_H
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#define MTROPOLIS_AUDIO_PLAYER_H
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#include "common/mutex.h"
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#include "audio/audiostream.h"
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#include "audio/mixer.h"
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namespace MTropolis {
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struct AudioMetadata;
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class CachedAudio;
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// Audio player, this does not support requeueing. If the sound exhausts, then you must create a
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// new audio player. In particular, since time is being tracked separately, if the loop status
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// changes when the timer thinks the sound should still be playing, but the sound has actually
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// exhausted, then the sound needs to be requeued.
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class AudioPlayer : public Audio::AudioStream {
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public:
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AudioPlayer(Audio::Mixer *mixer, byte volume, int8 balance, const Common::SharedPtr<AudioMetadata> &metadata, const Common::SharedPtr<CachedAudio> &audio, bool isLooping, size_t currentPos, size_t startPos, size_t endPos);
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~AudioPlayer();
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int readBuffer(int16 *buffer, const int numSamples) override;
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bool isStereo() const override;
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int getRate() const override;
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bool endOfData() const override;
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void sendToMixer(Audio::Mixer *mixer, byte volume, int8 balance);
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void stop();
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private:
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Common::Mutex _mutex;
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Common::SharedPtr<AudioMetadata> _metadata;
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Common::SharedPtr<CachedAudio> _audio;
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Audio::SoundHandle _handle;
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bool _isLooping;
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bool _exhausted;
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size_t _currentPos;
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size_t _startPos;
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size_t _endPos;
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Audio::Mixer *_mixer;
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};
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} // End of namespace MTropolis
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#endif
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