scummvm/engines/cryo/sound.h

#pragma once

#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "audio/decoders/raw.h"

namespace Cryo {

class CSoundChannel {
private:
	Audio::Mixer *_mixer;
	Audio::QueuingAudioStream *_audioStream;
	Audio::SoundHandle _soundHandle;
	unsigned int _sampleRate;
	bool _stereo;

public:
	CSoundChannel(Audio::Mixer *mixer, unsigned int sampleRate, bool stereo);
	~CSoundChannel();

	// Queue a new buffer, cancel any previously queued buffers if playNow is set
	void queueBuffer(byte *buffer, unsigned int size, bool playNow = false);

	// Stop playing and purge play queue
	void stop();

	// How many buffers in queue (including currently playing one)
	unsigned int numQueued();

	// Volume control
	int _volumeLeft, _volumeRight;
	unsigned int getVolume();
	void setVolume(unsigned int volumeLeft, unsigned int volumeRight);
	void setVolumeLeft(unsigned int volume);
	void setVolumeRight(unsigned int volume);

private:
	void applyVolumeChange();
};

}