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/*
* Copyright (C) 2015-2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(MEDIA_STREAM)
#include "AudioTrackPrivate.h"
#include "MediaStreamTrackPrivate.h"
#include <wtf/CheckedRef.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class AudioMediaStreamTrackRenderer;
class AudioTrackPrivateMediaStream final
: public AudioTrackPrivate
, public MediaStreamTrackPrivateObserver
, private RealtimeMediaSource::AudioSampleObserver
, public CanMakeCheckedPtr<AudioTrackPrivateMediaStream> {
WTF_MAKE_TZONE_ALLOCATED(AudioTrackPrivateMediaStream);
WTF_MAKE_NONCOPYABLE(AudioTrackPrivateMediaStream)
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(AudioTrackPrivateMediaStream);
public:
static Ref<AudioTrackPrivateMediaStream> create(MediaStreamTrackPrivate& streamTrack)
{
return adoptRef(*new AudioTrackPrivateMediaStream(streamTrack));
}
~AudioTrackPrivateMediaStream();
void setTrackIndex(int index) { m_index = index; }
void setAudioOutputDevice(const String&);
void ref() const final { AudioTrackPrivate::ref(); }
void deref() const final { AudioTrackPrivate::deref(); }
MediaStreamTrackPrivate& streamTrack() { return m_streamTrack.get(); }
Ref<MediaStreamTrackPrivate> protectedStreamTrack() { return m_streamTrack; }
void clear();
void play();
void pause();
bool isPlaying() const { return m_isPlaying; }
bool shouldPlay() const { return m_shouldPlay; }
void setVolume(float);
float volume() const;
void setMuted(bool);
bool muted() const { return m_muted; }
#if !RELEASE_LOG_DISABLED
ASCIILiteral logClassName() const final { return "AudioTrackPrivateMediaStream"_s; }
#endif
private:
explicit AudioTrackPrivateMediaStream(MediaStreamTrackPrivate&);
// CheckedPtr interface
uint32_t checkedPtrCount() const final { return CanMakeCheckedPtr::checkedPtrCount(); }
uint32_t checkedPtrCountWithoutThreadCheck() const final { return CanMakeCheckedPtr::checkedPtrCountWithoutThreadCheck(); }
void incrementCheckedPtrCount() const final { CanMakeCheckedPtr::incrementCheckedPtrCount(); }
void decrementCheckedPtrCount() const final { CanMakeCheckedPtr::decrementCheckedPtrCount(); }
void setDidBeginCheckedPtrDeletion() final { CanMakeCheckedPtr::setDidBeginCheckedPtrDeletion(); }
static RefPtr<AudioMediaStreamTrackRenderer> createRenderer(AudioTrackPrivateMediaStream&);
// AudioTrackPrivate
Kind kind() const final { return Kind::Main; }
std::optional<String> trackUID() const { return m_streamTrack->id(); }
String label() const final { return m_streamTrack->label(); }
int trackIndex() const final { return m_index; }
bool isBackedByMediaStreamTrack() const final { return true; }
// MediaStreamTrackPrivateObserver
void trackEnded(MediaStreamTrackPrivate&) final;
void trackMutedChanged(MediaStreamTrackPrivate&) final;
void trackEnabledChanged(MediaStreamTrackPrivate&) final;
void trackSettingsChanged(MediaStreamTrackPrivate&) final { }
// RealtimeMediaSource::AudioSampleObserver
void audioSamplesAvailable(const MediaTime&, const PlatformAudioData&, const AudioStreamDescription&, size_t) final;
void startRenderer();
void stopRenderer();
void updateRenderer();
void createNewRenderer();
// Main thread writable members
bool m_isPlaying { false };
bool m_shouldPlay { false };
bool m_muted { false };
bool m_isCleared { false };
const Ref<MediaStreamTrackPrivate> m_streamTrack;
const Ref<RealtimeMediaSource> m_audioSource;
int m_index { 0 };
// Audio thread members
RefPtr<AudioMediaStreamTrackRenderer> m_renderer;
};
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::AudioTrackPrivateMediaStream)
static bool isType(const WebCore::AudioTrackPrivate& track) { return track.isBackedByMediaStreamTrack(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(MEDIA_STREAM)
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