mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-27 04:05:32 +00:00
72d516ef01
MozReview-Commit-ID: 1KgE3uKu4CG --HG-- extra : rebase_source : 2ad950afe84675fb9bc4c449e53e7c0d52270175
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef MOZILLA_AUDIONODEEXTERNALINPUTSTREAM_H_
|
|
#define MOZILLA_AUDIONODEEXTERNALINPUTSTREAM_H_
|
|
|
|
#include "MediaStreamGraph.h"
|
|
#include "AudioNodeStream.h"
|
|
#include "mozilla/Atomics.h"
|
|
|
|
namespace mozilla {
|
|
|
|
class AbstractThread;
|
|
|
|
/**
|
|
* This is a MediaStream implementation that acts for a Web Audio node but
|
|
* unlike other AudioNodeStreams, supports any kind of MediaStream as an
|
|
* input --- handling any number of audio tracks and handling blocking of
|
|
* the input MediaStream.
|
|
*/
|
|
class AudioNodeExternalInputStream final : public AudioNodeStream
|
|
{
|
|
public:
|
|
static already_AddRefed<AudioNodeExternalInputStream>
|
|
Create(MediaStreamGraph* aGraph, AudioNodeEngine* aEngine, AbstractThread* aMainThread);
|
|
|
|
protected:
|
|
AudioNodeExternalInputStream(AudioNodeEngine* aEngine, TrackRate aSampleRate,
|
|
AbstractThread* aMainThread);
|
|
~AudioNodeExternalInputStream();
|
|
|
|
public:
|
|
void ProcessInput(GraphTime aFrom, GraphTime aTo, uint32_t aFlags) override;
|
|
|
|
private:
|
|
/**
|
|
* Determines if this is enabled or not. Disabled nodes produce silence.
|
|
* This node becomes disabled if the document principal does not subsume the
|
|
* DOMMediaStream principal.
|
|
*/
|
|
bool IsEnabled();
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif /* MOZILLA_AUDIONODESTREAM_H_ */
|