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113 lines
2.8 KiB
C++
113 lines
2.8 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 ULTIMA8_AUDIO_AUDIOCHANNEL_H
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#define ULTIMA8_AUDIO_AUDIOCHANNEL_H
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#include "audio/mixer.h"
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namespace Ultima {
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namespace Ultima8 {
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class AudioSample;
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class AudioChannel {
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private:
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// We have:
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// 1x decompressor size
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// 2x frame size
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Common::Array<byte> _playData;
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Audio::SoundHandle _soundHandle;
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Audio::Mixer *_mixer;
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uint32 _decompressorSize; // Persistent data for the decompressor
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uint32 _frameSize; //
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int32 _loop;
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AudioSample *_sample;
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// Info for sampling
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uint32 _frameEvenOdd; // which buffer is 'frame0'
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int _lVol, _rVol; // 0-256
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uint32 _pitchShift; // AudioProcess::PITCH_SHIFT_NONE = no shift
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int _priority; // anything.
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bool _paused; // true/false
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private:
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/**
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* Decompresses the next frame of sample data
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*/
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void decompressNextFrame();
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public:
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AudioChannel(Audio::Mixer *mixer, uint32 sampleRate, bool stereo);
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~AudioChannel(void);
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void stop();
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void playSample(AudioSample *sample, int loop, int priority, bool paused,
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bool isSpeech, uint32 pitchShift, int lvol, int rvol);
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void playMusicStream(Audio::AudioStream *stream);
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bool isPlaying();
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void setPitchShift(int pitchShift) {
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_pitchShift = pitchShift;
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}
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uint32 getPitchShift() const {
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return _pitchShift;
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}
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void setLoop(int loop) {
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_loop = loop;
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}
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int32 getLoop() const {
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return _loop;
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}
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void setVolume(int lvol, int rvol) {
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_lVol = lvol;
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_rVol = rvol;
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_mixer->setChannelVolume(_soundHandle, (rvol + lvol) / 2);
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_mixer->setChannelBalance(_soundHandle, (rvol - lvol) / 2);
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}
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void getVolume(int &lvol, int &rvol) const {
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lvol = _lVol;
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rvol = _rVol;
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}
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void setPriority(int priority) {
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_priority = priority;
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}
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int getPriority() const {
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return _priority;
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}
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void setPaused(bool paused);
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bool isPaused() const {
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return _paused;
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}
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};
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} // End of namespace Ultima8
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} // End of namespace Ultima
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#endif
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