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/*
* Copyright (C) 2013 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. ``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
* 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 "RealtimeMediaSource.h"
#include <wtf/Lock.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
#if USE(GSTREAMER)
#include "GStreamerCommon.h"
#endif
namespace WebCore {
class AudioBus;
class PlatformAudioData;
class RealtimeMediaSourceCapabilities;
class MediaStreamAudioSource final : public RealtimeMediaSource, public ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr<MediaStreamAudioSource, WTF::DestructionThread::MainRunLoop> {
public:
static Ref<MediaStreamAudioSource> create(float sampleRate) { return adoptRef(*new MediaStreamAudioSource { sampleRate }); }
~MediaStreamAudioSource();
WTF_ABSTRACT_THREAD_SAFE_REF_COUNTED_AND_CAN_MAKE_WEAK_PTR_IMPL;
const RealtimeMediaSourceCapabilities& capabilities() final;
const RealtimeMediaSourceSettings& settings() final;
const String& deviceId() const { return m_deviceId; }
void setDeviceId(const String& deviceId) { m_deviceId = deviceId; }
void consumeAudio(AudioBus&, size_t numberOfFrames);
private:
explicit MediaStreamAudioSource(float sampleRate);
bool isCaptureSource() const final { return false; }
String m_deviceId;
RealtimeMediaSourceSettings m_currentSettings;
std::unique_ptr<PlatformAudioData> m_audioBuffer;
#if USE(AVFOUNDATION) || USE(GSTREAMER)
size_t m_numberOfFrames { 0 };
#endif
#if USE(GSTREAMER)
GstAudioInfo m_info;
GRefPtr<GstCaps> m_caps;
#endif
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
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