From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/media/webaudio/AudioNodeExternalInputTrack.h | 46 ++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 dom/media/webaudio/AudioNodeExternalInputTrack.h (limited to 'dom/media/webaudio/AudioNodeExternalInputTrack.h') diff --git a/dom/media/webaudio/AudioNodeExternalInputTrack.h b/dom/media/webaudio/AudioNodeExternalInputTrack.h new file mode 100644 index 0000000000..f273fee696 --- /dev/null +++ b/dom/media/webaudio/AudioNodeExternalInputTrack.h @@ -0,0 +1,46 @@ +/* -*- 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_AUDIONODEEXTERNALINPUTTRACK_H_ +#define MOZILLA_AUDIONODEEXTERNALINPUTTRACK_H_ + +#include "MediaTrackGraph.h" +#include "AudioNodeTrack.h" +#include "mozilla/Atomics.h" + +namespace mozilla { + +class AbstractThread; + +/** + * This is a MediaTrack implementation that acts for a Web Audio node but + * unlike other AudioNodeTracks, supports any kind of MediaTrack as an + * input --- handling any number of audio tracks and handling blocking of + * the input MediaTrack. + */ +class AudioNodeExternalInputTrack final : public AudioNodeTrack { + public: + static already_AddRefed Create( + MediaTrackGraph* aGraph, AudioNodeEngine* aEngine); + + protected: + AudioNodeExternalInputTrack(AudioNodeEngine* aEngine, TrackRate aSampleRate); + ~AudioNodeExternalInputTrack(); + + 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_AUDIONODEEXTERNALINPUTTRACK_H_ */ -- cgit v1.2.3