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/*
* Copyright (C) 2012, Google 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_MEDIA_STREAM_AUDIO_DESTINATION_NODE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_MEDIA_STREAM_AUDIO_DESTINATION_NODE_H_
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_source.h"
namespace blink {
class AudioContext;
class AudioNodeOptions;
class ExceptionState;
class MediaStreamAudioDestinationHandler;
// MediaStreamAudioDestinationNode is an AudioNode that represents an endpoint
// in the Web Audio graph and also functions as an audio stream source for
// MediaStream ecosystem. (e.g., WebRTC, MediaRecorder)
class MODULES_EXPORT MediaStreamAudioDestinationNode final
: public AudioNode,
public ActiveScriptWrappable<MediaStreamAudioDestinationNode> {
DEFINE_WRAPPERTYPEINFO();
USING_PRE_FINALIZER(MediaStreamAudioDestinationNode, Dispose);
public:
static MediaStreamAudioDestinationNode* Create(AudioContext&,
uint32_t number_of_channels,
ExceptionState&);
static MediaStreamAudioDestinationNode* Create(AudioContext*,
const AudioNodeOptions*,
ExceptionState&);
MediaStreamAudioDestinationNode(AudioContext&, uint32_t number_of_channels);
MediaStream* stream() const { return stream_.Get(); }
MediaStreamSource* source() const { return source_.Get(); }
bool HasPendingActivity() const final;
void Trace(Visitor*) const final;
void Dispose();
// InspectorHelperMixin
void ReportDidCreate() final;
void ReportWillBeDestroyed() final;
private:
MediaStreamAudioDestinationHandler& GetOwnHandler() const;
// https://chromium.googlesource.com/chromium/src/+/refs/heads/main/docs/media/capture/README.md#logs
void SendLogMessage(const char* const function_name, const String& message);
Member<MediaStreamSource> source_;
Member<MediaStream> stream_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_MEDIA_STREAM_AUDIO_DESTINATION_NODE_H_
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