зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
2.8 KiB
C++
91 строка
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "VideoStreamTrack.h"
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#include "MediaTrackGraph.h"
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#include "MediaTrackListener.h"
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#include "nsContentUtils.h"
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#include "nsGlobalWindowInner.h"
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#include "VideoOutput.h"
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namespace mozilla {
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namespace dom {
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VideoStreamTrack::VideoStreamTrack(nsPIDOMWindowInner* aWindow,
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mozilla::MediaTrack* aInputTrack,
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MediaStreamTrackSource* aSource,
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MediaStreamTrackState aReadyState,
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bool aMuted,
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const MediaTrackConstraints& aConstraints)
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: MediaStreamTrack(aWindow, aInputTrack, aSource, aReadyState, aMuted,
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aConstraints) {}
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void VideoStreamTrack::Destroy() {
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mVideoOutputs.Clear();
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MediaStreamTrack::Destroy();
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}
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void VideoStreamTrack::AddVideoOutput(VideoFrameContainer* aSink) {
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if (Ended()) {
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return;
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}
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auto output = MakeRefPtr<VideoOutput>(
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aSink, nsGlobalWindowInner::Cast(GetParentObject())
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->AbstractMainThreadFor(TaskCategory::Other));
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AddVideoOutput(output);
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}
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void VideoStreamTrack::AddVideoOutput(VideoOutput* aOutput) {
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if (Ended()) {
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return;
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}
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for (const auto& output : mVideoOutputs) {
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if (output == aOutput) {
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MOZ_ASSERT_UNREACHABLE("A VideoOutput was already added");
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return;
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}
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}
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mVideoOutputs.AppendElement(aOutput);
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AddDirectListener(aOutput);
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AddListener(aOutput);
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}
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void VideoStreamTrack::RemoveVideoOutput(VideoFrameContainer* aSink) {
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for (const auto& output : mVideoOutputs.Clone()) {
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if (output->mVideoFrameContainer == aSink) {
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mVideoOutputs.RemoveElement(output);
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RemoveDirectListener(output);
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RemoveListener(output);
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}
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}
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}
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void VideoStreamTrack::RemoveVideoOutput(VideoOutput* aOutput) {
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for (const auto& output : mVideoOutputs.Clone()) {
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if (output == aOutput) {
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mVideoOutputs.RemoveElement(aOutput);
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RemoveDirectListener(aOutput);
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RemoveListener(aOutput);
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}
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}
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}
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void VideoStreamTrack::GetLabel(nsAString& aLabel, CallerType aCallerType) {
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if (nsContentUtils::ResistFingerprinting(aCallerType)) {
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aLabel.AssignLiteral("Internal Camera");
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return;
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}
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MediaStreamTrack::GetLabel(aLabel, aCallerType);
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}
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already_AddRefed<MediaStreamTrack> VideoStreamTrack::CloneInternal() {
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return do_AddRef(new VideoStreamTrack(mWindow, mInputTrack, mSource,
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ReadyState(), Muted(), mConstraints));
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}
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} // namespace dom
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} // namespace mozilla
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