AudioTrackPrivateMediaStreamCocoa.h [plain text]
#pragma once
#if ENABLE(VIDEO_TRACK) && ENABLE(MEDIA_STREAM)
#include "AudioTrackPrivateMediaStream.h"
#include <AudioToolbox/AudioToolbox.h>
#include <CoreAudio/CoreAudioTypes.h>
namespace WebCore {
class AudioSampleDataSource;
class AudioSampleBufferList;
class CAAudioStreamDescription;
class AudioTrackPrivateMediaStreamCocoa final : public AudioTrackPrivateMediaStream, private RealtimeMediaSource::Observer {
WTF_MAKE_NONCOPYABLE(AudioTrackPrivateMediaStreamCocoa)
public:
static RefPtr<AudioTrackPrivateMediaStreamCocoa> create(MediaStreamTrackPrivate& streamTrack)
{
return adoptRef(*new AudioTrackPrivateMediaStreamCocoa(streamTrack));
}
void play();
void pause();
bool isPlaying() { return m_isPlaying; }
void setVolume(float);
float volume() const { return m_volume; }
void setMuted(bool muted) { m_muted = muted; }
bool muted() const { return m_muted; }
private:
AudioTrackPrivateMediaStreamCocoa(MediaStreamTrackPrivate&);
~AudioTrackPrivateMediaStreamCocoa();
void sourceStopped() final;
void audioSamplesAvailable(const MediaTime&, const PlatformAudioData&, const AudioStreamDescription&, size_t) final;
static OSStatus inputProc(void*, AudioUnitRenderActionFlags*, const AudioTimeStamp*, UInt32 inBusNumber, UInt32 numberOfFrames, AudioBufferList*);
OSStatus render(UInt32 sampleCount, AudioBufferList&, UInt32 inBusNumber, const AudioTimeStamp&, AudioUnitRenderActionFlags&);
AudioComponentInstance createAudioUnit(CAAudioStreamDescription&);
void cleanup();
void zeroBufferList(AudioBufferList&, size_t);
void playInternal();
#if !RELEASE_LOG_DISABLED
const char* logClassName() const final { return "AudioTrackPrivateMediaStreamCocoa"; }
#endif
AudioComponentInstance m_remoteIOUnit { nullptr };
std::unique_ptr<CAAudioStreamDescription> m_inputDescription;
std::unique_ptr<CAAudioStreamDescription> m_outputDescription;
RefPtr<AudioSampleDataSource> m_dataSource;
float m_volume { 1 };
bool m_isPlaying { false };
bool m_autoPlay { false };
bool m_muted { false };
};
}
#endif // ENABLE(VIDEO_TRACK) && ENABLE(MEDIA_STREAM)