зеркало из https://github.com/mozilla/gecko-dev.git
1385 строки
45 KiB
C++
1385 строки
45 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MediaDecoder.h"
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#include "DOMMediaStream.h"
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#include "DecoderBenchmark.h"
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#include "ImageContainer.h"
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#include "Layers.h"
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#include "MediaDecoderStateMachine.h"
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#include "MediaFormatReader.h"
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#include "MediaResource.h"
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#include "MediaShutdownManager.h"
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#include "VideoFrameContainer.h"
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#include "VideoUtils.h"
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#include "mozilla/AbstractThread.h"
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#include "mozilla/dom/DOMTypes.h"
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#include "mozilla/FloatingPoint.h"
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#include "mozilla/MathAlgorithms.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/StaticPrefs_media.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/Telemetry.h"
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#include "Visibility.h"
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#include "mozilla/Unused.h"
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#include "nsComponentManagerUtils.h"
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#include "nsContentUtils.h"
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#include "nsError.h"
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#include "nsIMemoryReporter.h"
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#include "nsIObserver.h"
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#include "nsPrintfCString.h"
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#include "nsTArray.h"
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#include <algorithm>
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#include <limits>
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using namespace mozilla::dom;
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using namespace mozilla::layers;
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using namespace mozilla::media;
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namespace mozilla {
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// avoid redefined macro in unified build
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#undef LOG
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#undef DUMP
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LazyLogModule gMediaDecoderLog("MediaDecoder");
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#define LOG(x, ...) \
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DDMOZ_LOG(gMediaDecoderLog, LogLevel::Debug, x, ##__VA_ARGS__)
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#define DUMP(x, ...) printf_stderr(x "\n", ##__VA_ARGS__)
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#define NS_DispatchToMainThread(...) CompileError_UseAbstractMainThreadInstead
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static const char* ToPlayStateStr(MediaDecoder::PlayState aState) {
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switch (aState) {
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case MediaDecoder::PLAY_STATE_START:
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return "START";
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case MediaDecoder::PLAY_STATE_LOADING:
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return "LOADING";
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case MediaDecoder::PLAY_STATE_PAUSED:
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return "PAUSED";
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case MediaDecoder::PLAY_STATE_PLAYING:
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return "PLAYING";
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case MediaDecoder::PLAY_STATE_ENDED:
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return "ENDED";
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case MediaDecoder::PLAY_STATE_SHUTDOWN:
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return "SHUTDOWN";
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default:
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MOZ_ASSERT_UNREACHABLE("Invalid playState.");
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}
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return "UNKNOWN";
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}
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class MediaMemoryTracker : public nsIMemoryReporter {
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virtual ~MediaMemoryTracker();
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIMEMORYREPORTER
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MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf);
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MediaMemoryTracker();
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void InitMemoryReporter();
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static StaticRefPtr<MediaMemoryTracker> sUniqueInstance;
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static MediaMemoryTracker* UniqueInstance() {
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if (!sUniqueInstance) {
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sUniqueInstance = new MediaMemoryTracker();
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sUniqueInstance->InitMemoryReporter();
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}
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return sUniqueInstance;
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}
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typedef nsTArray<MediaDecoder*> DecodersArray;
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static DecodersArray& Decoders() { return UniqueInstance()->mDecoders; }
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DecodersArray mDecoders;
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public:
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static void AddMediaDecoder(MediaDecoder* aDecoder) {
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Decoders().AppendElement(aDecoder);
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}
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static void RemoveMediaDecoder(MediaDecoder* aDecoder) {
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DecodersArray& decoders = Decoders();
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decoders.RemoveElement(aDecoder);
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if (decoders.IsEmpty()) {
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sUniqueInstance = nullptr;
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}
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}
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static RefPtr<MediaMemoryPromise> GetSizes() {
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MOZ_ASSERT(NS_IsMainThread());
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DecodersArray& decoders = Decoders();
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// if we don't have any decoder, we can bail
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if (decoders.IsEmpty()) {
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// and release the instance that was created by calling Decoders()
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sUniqueInstance = nullptr;
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return MediaMemoryPromise::CreateAndResolve(MediaMemoryInfo(), __func__);
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}
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RefPtr<MediaDecoder::ResourceSizes> resourceSizes =
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new MediaDecoder::ResourceSizes(MediaMemoryTracker::MallocSizeOf);
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size_t videoSize = 0;
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size_t audioSize = 0;
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for (auto&& decoder : decoders) {
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videoSize += decoder->SizeOfVideoQueue();
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audioSize += decoder->SizeOfAudioQueue();
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decoder->AddSizeOfResources(resourceSizes);
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}
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return resourceSizes->Promise()->Then(
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SystemGroup::AbstractMainThreadFor(TaskCategory::Performance), __func__,
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[videoSize, audioSize](size_t resourceSize) {
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return MediaMemoryPromise::CreateAndResolve(
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MediaMemoryInfo(videoSize, audioSize, resourceSize), __func__);
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},
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[](size_t) {
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return MediaMemoryPromise::CreateAndReject(NS_ERROR_FAILURE,
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__func__);
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});
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}
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};
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// When media is looping back to the head position, the spec [1] mentions that
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// MediaElement should dispatch `seeking` first, `timeupdate`, and `seeked` in
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// the end. This guard should be created before we fire `timeupdate` so that it
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// can ensure the event order.
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// [1]
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// https://html.spec.whatwg.org/multipage/media.html#playing-the-media-resource:attr-media-loop-2
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// https://html.spec.whatwg.org/multipage/media.html#seeking:dom-media-seek
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class MOZ_RAII SeekEventsGuard {
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public:
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explicit SeekEventsGuard(MediaDecoderOwner* aOwner, bool aIsLoopingBack)
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: mOwner(aOwner), mIsLoopingBack(aIsLoopingBack) {
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MOZ_ASSERT(mOwner);
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if (mIsLoopingBack) {
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mOwner->SeekStarted();
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}
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}
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~SeekEventsGuard() {
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MOZ_ASSERT(mOwner);
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if (mIsLoopingBack) {
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mOwner->SeekCompleted();
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}
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}
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private:
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MediaDecoderOwner* mOwner;
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bool mIsLoopingBack;
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};
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StaticRefPtr<MediaMemoryTracker> MediaMemoryTracker::sUniqueInstance;
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RefPtr<MediaMemoryPromise> GetMediaMemorySizes() {
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return MediaMemoryTracker::GetSizes();
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}
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LazyLogModule gMediaTimerLog("MediaTimer");
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constexpr TimeUnit MediaDecoder::DEFAULT_NEXT_FRAME_AVAILABLE_BUFFERED;
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void MediaDecoder::InitStatics() {
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MOZ_ASSERT(NS_IsMainThread());
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// Eagerly init gMediaDecoderLog to work around bug 1415441.
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MOZ_LOG(gMediaDecoderLog, LogLevel::Info, ("MediaDecoder::InitStatics"));
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}
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NS_IMPL_ISUPPORTS(MediaMemoryTracker, nsIMemoryReporter)
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void MediaDecoder::NotifyOwnerActivityChanged(bool aIsDocumentVisible,
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Visibility aElementVisibility,
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bool aIsElementInTree) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
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AbstractThread::AutoEnter context(AbstractMainThread());
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SetElementVisibility(aIsDocumentVisible, aElementVisibility,
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aIsElementInTree);
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NotifyCompositor();
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}
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void MediaDecoder::Pause() {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
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AbstractThread::AutoEnter context(AbstractMainThread());
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if (mPlayState == PLAY_STATE_LOADING || IsEnded()) {
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mNextState = PLAY_STATE_PAUSED;
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return;
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}
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ChangeState(PLAY_STATE_PAUSED);
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}
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void MediaDecoder::SetVolume(double aVolume) {
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MOZ_ASSERT(NS_IsMainThread());
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AbstractThread::AutoEnter context(AbstractMainThread());
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mVolume = aVolume;
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}
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RefPtr<GenericPromise> MediaDecoder::SetSink(AudioDeviceInfo* aSink) {
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MOZ_ASSERT(NS_IsMainThread());
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AbstractThread::AutoEnter context(AbstractMainThread());
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return GetStateMachine()->InvokeSetSink(aSink);
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}
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void MediaDecoder::AddOutputStream(DOMMediaStream* aStream,
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SharedDummyTrack* aDummyStream) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mDecoderStateMachine, "Must be called after Load().");
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AbstractThread::AutoEnter context(AbstractMainThread());
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mDecoderStateMachine->EnsureOutputStreamManager(aDummyStream);
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if (mInfo) {
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mDecoderStateMachine->EnsureOutputStreamManagerHasTracks(*mInfo);
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}
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mDecoderStateMachine->AddOutputStream(aStream);
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}
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void MediaDecoder::RemoveOutputStream(DOMMediaStream* aStream) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mDecoderStateMachine, "Must be called after Load().");
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AbstractThread::AutoEnter context(AbstractMainThread());
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mDecoderStateMachine->RemoveOutputStream(aStream);
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}
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void MediaDecoder::SetOutputStreamPrincipal(nsIPrincipal* aPrincipal) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mDecoderStateMachine, "Must be called after Load().");
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AbstractThread::AutoEnter context(AbstractMainThread());
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mDecoderStateMachine->SetOutputStreamPrincipal(aPrincipal);
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}
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double MediaDecoder::GetDuration() {
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MOZ_ASSERT(NS_IsMainThread());
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AbstractThread::AutoEnter context(AbstractMainThread());
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return mDuration;
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}
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bool MediaDecoder::IsInfinite() const {
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MOZ_ASSERT(NS_IsMainThread());
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AbstractThread::AutoEnter context(AbstractMainThread());
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return mozilla::IsInfinite<double>(mDuration);
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}
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#define INIT_MIRROR(name, val) \
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name(mOwner->AbstractMainThread(), val, "MediaDecoder::" #name " (Mirror)")
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#define INIT_CANONICAL(name, val) \
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name(mOwner->AbstractMainThread(), val, "MediaDecoder::" #name " (Canonical)")
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MediaDecoder::MediaDecoder(MediaDecoderInit& aInit)
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: mWatchManager(this, aInit.mOwner->AbstractMainThread()),
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mLogicalPosition(0.0),
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mDuration(std::numeric_limits<double>::quiet_NaN()),
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mOwner(aInit.mOwner),
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mAbstractMainThread(aInit.mOwner->AbstractMainThread()),
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mFrameStats(new FrameStatistics()),
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mDecoderBenchmark(new DecoderBenchmark()),
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mVideoFrameContainer(aInit.mOwner->GetVideoFrameContainer()),
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mMinimizePreroll(aInit.mMinimizePreroll),
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mFiredMetadataLoaded(false),
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mIsDocumentVisible(false),
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mElementVisibility(Visibility::Untracked),
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mIsElementInTree(false),
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mForcedHidden(false),
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mHasSuspendTaint(aInit.mHasSuspendTaint),
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mIsCloningVisually(false),
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mPlaybackRate(aInit.mPlaybackRate),
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mLogicallySeeking(false, "MediaDecoder::mLogicallySeeking"),
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INIT_MIRROR(mBuffered, TimeIntervals()),
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INIT_MIRROR(mCurrentPosition, TimeUnit::Zero()),
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INIT_MIRROR(mStateMachineDuration, NullableTimeUnit()),
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INIT_MIRROR(mIsAudioDataAudible, false),
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INIT_CANONICAL(mVolume, aInit.mVolume),
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INIT_CANONICAL(mPreservesPitch, aInit.mPreservesPitch),
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INIT_CANONICAL(mLooping, aInit.mLooping),
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INIT_CANONICAL(mPlayState, PLAY_STATE_LOADING),
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mSameOriginMedia(false),
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mVideoDecodingOberver(
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new BackgroundVideoDecodingPermissionObserver(this)),
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mIsBackgroundVideoDecodingAllowed(false),
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mTelemetryReported(false),
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mContainerType(aInit.mContainerType) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_ASSERT(mAbstractMainThread);
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MediaMemoryTracker::AddMediaDecoder(this);
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//
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// Initialize watchers.
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//
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// mDuration
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mWatchManager.Watch(mStateMachineDuration, &MediaDecoder::DurationChanged);
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// readyState
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mWatchManager.Watch(mPlayState, &MediaDecoder::UpdateReadyState);
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// ReadyState computation depends on MediaDecoder::CanPlayThrough, which
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// depends on the download rate.
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mWatchManager.Watch(mBuffered, &MediaDecoder::UpdateReadyState);
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// mLogicalPosition
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mWatchManager.Watch(mCurrentPosition, &MediaDecoder::UpdateLogicalPosition);
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mWatchManager.Watch(mPlayState, &MediaDecoder::UpdateLogicalPosition);
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mWatchManager.Watch(mLogicallySeeking, &MediaDecoder::UpdateLogicalPosition);
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mWatchManager.Watch(mIsAudioDataAudible,
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&MediaDecoder::NotifyAudibleStateChanged);
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mVideoDecodingOberver->RegisterEvent();
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}
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#undef INIT_MIRROR
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#undef INIT_CANONICAL
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void MediaDecoder::Shutdown() {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
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AbstractThread::AutoEnter context(AbstractMainThread());
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// Unwatch all watch targets to prevent further notifications.
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mWatchManager.Shutdown();
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DiscardOngoingSeekIfExists();
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// This changes the decoder state to SHUTDOWN and does other things
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// necessary to unblock the state machine thread if it's blocked, so
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// the asynchronous shutdown in nsDestroyStateMachine won't deadlock.
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if (mDecoderStateMachine) {
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mTimedMetadataListener.Disconnect();
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mMetadataLoadedListener.Disconnect();
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mFirstFrameLoadedListener.Disconnect();
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mOnPlaybackEvent.Disconnect();
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mOnPlaybackErrorEvent.Disconnect();
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mOnDecoderDoctorEvent.Disconnect();
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mOnMediaNotSeekable.Disconnect();
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mOnEncrypted.Disconnect();
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mOnWaitingForKey.Disconnect();
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mOnDecodeWarning.Disconnect();
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mOnNextFrameStatus.Disconnect();
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mOnStoreDecoderBenchmark.Disconnect();
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mDecoderStateMachine->BeginShutdown()->Then(
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mAbstractMainThread, __func__, this, &MediaDecoder::FinishShutdown,
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&MediaDecoder::FinishShutdown);
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} else {
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// Ensure we always unregister asynchronously in order not to disrupt
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// the hashtable iterating in MediaShutdownManager::Shutdown().
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RefPtr<MediaDecoder> self = this;
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nsCOMPtr<nsIRunnable> r =
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NS_NewRunnableFunction("MediaDecoder::Shutdown", [self]() {
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self->mVideoFrameContainer = nullptr;
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MediaShutdownManager::Instance().Unregister(self);
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});
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mAbstractMainThread->Dispatch(r.forget());
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}
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// Ask the owner to remove its audio/video tracks.
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GetOwner()->RemoveMediaTracks();
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ChangeState(PLAY_STATE_SHUTDOWN);
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mVideoDecodingOberver->UnregisterEvent();
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mVideoDecodingOberver = nullptr;
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mOwner = nullptr;
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}
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void MediaDecoder::NotifyXPCOMShutdown() {
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MOZ_ASSERT(NS_IsMainThread());
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// NotifyXPCOMShutdown will clear its reference to mDecoder. So we must ensure
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// that this MediaDecoder stays alive until completion.
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RefPtr<MediaDecoder> kungFuDeathGrip = this;
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if (auto owner = GetOwner()) {
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owner->NotifyXPCOMShutdown();
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} else if (!IsShutdown()) {
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Shutdown();
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}
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MOZ_DIAGNOSTIC_ASSERT(IsShutdown());
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}
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MediaDecoder::~MediaDecoder() {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_DIAGNOSTIC_ASSERT(IsShutdown());
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MediaMemoryTracker::RemoveMediaDecoder(this);
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}
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void MediaDecoder::OnPlaybackEvent(MediaPlaybackEvent&& aEvent) {
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switch (aEvent.mType) {
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case MediaPlaybackEvent::PlaybackEnded:
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PlaybackEnded();
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break;
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case MediaPlaybackEvent::SeekStarted:
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SeekingStarted();
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break;
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case MediaPlaybackEvent::Invalidate:
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Invalidate();
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break;
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case MediaPlaybackEvent::EnterVideoSuspend:
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GetOwner()->DispatchAsyncEvent(NS_LITERAL_STRING("mozentervideosuspend"));
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mIsVideoDecodingSuspended = true;
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break;
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case MediaPlaybackEvent::ExitVideoSuspend:
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GetOwner()->DispatchAsyncEvent(NS_LITERAL_STRING("mozexitvideosuspend"));
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mIsVideoDecodingSuspended = false;
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break;
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case MediaPlaybackEvent::StartVideoSuspendTimer:
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GetOwner()->DispatchAsyncEvent(
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NS_LITERAL_STRING("mozstartvideosuspendtimer"));
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break;
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case MediaPlaybackEvent::CancelVideoSuspendTimer:
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GetOwner()->DispatchAsyncEvent(
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NS_LITERAL_STRING("mozcancelvideosuspendtimer"));
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break;
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case MediaPlaybackEvent::VideoOnlySeekBegin:
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GetOwner()->DispatchAsyncEvent(
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NS_LITERAL_STRING("mozvideoonlyseekbegin"));
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break;
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case MediaPlaybackEvent::VideoOnlySeekCompleted:
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GetOwner()->DispatchAsyncEvent(
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NS_LITERAL_STRING("mozvideoonlyseekcompleted"));
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break;
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default:
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break;
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}
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}
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bool MediaDecoder::IsVideoDecodingSuspended() const {
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return mIsVideoDecodingSuspended;
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}
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void MediaDecoder::OnPlaybackErrorEvent(const MediaResult& aError) {
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DecodeError(aError);
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}
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void MediaDecoder::OnDecoderDoctorEvent(DecoderDoctorEvent aEvent) {
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MOZ_ASSERT(NS_IsMainThread());
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// OnDecoderDoctorEvent is disconnected at shutdown time.
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MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
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Document* doc = GetOwner()->GetDocument();
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if (!doc) {
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return;
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}
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DecoderDoctorDiagnostics diags;
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diags.StoreEvent(doc, aEvent, __func__);
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}
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static const char* NextFrameStatusToStr(
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MediaDecoderOwner::NextFrameStatus aStatus) {
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switch (aStatus) {
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case MediaDecoderOwner::NEXT_FRAME_AVAILABLE:
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return "NEXT_FRAME_AVAILABLE";
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case MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE:
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return "NEXT_FRAME_UNAVAILABLE";
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case MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE_BUFFERING:
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return "NEXT_FRAME_UNAVAILABLE_BUFFERING";
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case MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE_SEEKING:
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return "NEXT_FRAME_UNAVAILABLE_SEEKING";
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case MediaDecoderOwner::NEXT_FRAME_UNINITIALIZED:
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return "NEXT_FRAME_UNINITIALIZED";
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}
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return "UNKNOWN";
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}
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void MediaDecoder::OnNextFrameStatus(
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MediaDecoderOwner::NextFrameStatus aStatus) {
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MOZ_ASSERT(NS_IsMainThread());
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MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
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if (mNextFrameStatus != aStatus) {
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LOG("Changed mNextFrameStatus to %s", NextFrameStatusToStr(aStatus));
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mNextFrameStatus = aStatus;
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UpdateReadyState();
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}
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}
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|
|
void MediaDecoder::OnStoreDecoderBenchmark(const VideoInfo& aInfo) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
int32_t videoFrameRate = aInfo.GetFrameRate().ref();
|
|
|
|
if (mFrameStats && videoFrameRate) {
|
|
DecoderBenchmarkInfo benchmarkInfo{
|
|
aInfo.mMimeType,
|
|
aInfo.mDisplay.width,
|
|
aInfo.mDisplay.height,
|
|
videoFrameRate,
|
|
BitDepthForColorDepth(aInfo.mColorDepth),
|
|
};
|
|
|
|
LOG("Store benchmark: Video width=%d, height=%d, frameRate=%d, content "
|
|
"type = %s\n",
|
|
benchmarkInfo.mWidth, benchmarkInfo.mHeight, benchmarkInfo.mFrameRate,
|
|
benchmarkInfo.mContentType.BeginReading());
|
|
|
|
mDecoderBenchmark->Store(benchmarkInfo, mFrameStats);
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::FinishShutdown() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
SetStateMachine(nullptr);
|
|
mVideoFrameContainer = nullptr;
|
|
MediaShutdownManager::Instance().Unregister(this);
|
|
}
|
|
|
|
nsresult MediaDecoder::InitializeStateMachine() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
NS_ASSERTION(mDecoderStateMachine, "Cannot initialize null state machine!");
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
|
|
nsresult rv = mDecoderStateMachine->Init(this);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// If some parameters got set before the state machine got created,
|
|
// set them now
|
|
SetStateMachineParameters();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void MediaDecoder::SetStateMachineParameters() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
if (mPlaybackRate != 1 && mPlaybackRate != 0) {
|
|
mDecoderStateMachine->DispatchSetPlaybackRate(mPlaybackRate);
|
|
}
|
|
mTimedMetadataListener = mDecoderStateMachine->TimedMetadataEvent().Connect(
|
|
mAbstractMainThread, this, &MediaDecoder::OnMetadataUpdate);
|
|
mMetadataLoadedListener = mDecoderStateMachine->MetadataLoadedEvent().Connect(
|
|
mAbstractMainThread, this, &MediaDecoder::MetadataLoaded);
|
|
mFirstFrameLoadedListener =
|
|
mDecoderStateMachine->FirstFrameLoadedEvent().Connect(
|
|
mAbstractMainThread, this, &MediaDecoder::FirstFrameLoaded);
|
|
|
|
mOnPlaybackEvent = mDecoderStateMachine->OnPlaybackEvent().Connect(
|
|
mAbstractMainThread, this, &MediaDecoder::OnPlaybackEvent);
|
|
mOnPlaybackErrorEvent = mDecoderStateMachine->OnPlaybackErrorEvent().Connect(
|
|
mAbstractMainThread, this, &MediaDecoder::OnPlaybackErrorEvent);
|
|
mOnDecoderDoctorEvent = mDecoderStateMachine->OnDecoderDoctorEvent().Connect(
|
|
mAbstractMainThread, this, &MediaDecoder::OnDecoderDoctorEvent);
|
|
mOnMediaNotSeekable = mDecoderStateMachine->OnMediaNotSeekable().Connect(
|
|
mAbstractMainThread, this, &MediaDecoder::OnMediaNotSeekable);
|
|
mOnNextFrameStatus = mDecoderStateMachine->OnNextFrameStatus().Connect(
|
|
mAbstractMainThread, this, &MediaDecoder::OnNextFrameStatus);
|
|
mOnStoreDecoderBenchmark = mReader->OnStoreDecoderBenchmark().Connect(
|
|
mAbstractMainThread, this, &MediaDecoder::OnStoreDecoderBenchmark);
|
|
|
|
mOnEncrypted = mReader->OnEncrypted().Connect(
|
|
mAbstractMainThread, GetOwner(), &MediaDecoderOwner::DispatchEncrypted);
|
|
mOnWaitingForKey = mReader->OnWaitingForKey().Connect(
|
|
mAbstractMainThread, GetOwner(), &MediaDecoderOwner::NotifyWaitingForKey);
|
|
mOnDecodeWarning = mReader->OnDecodeWarning().Connect(
|
|
mAbstractMainThread, GetOwner(), &MediaDecoderOwner::DecodeWarning);
|
|
}
|
|
|
|
void MediaDecoder::Play() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
NS_ASSERTION(mDecoderStateMachine != nullptr, "Should have state machine.");
|
|
if (mPlaybackRate == 0) {
|
|
return;
|
|
}
|
|
|
|
if (IsEnded()) {
|
|
Seek(0, SeekTarget::PrevSyncPoint);
|
|
return;
|
|
} else if (mPlayState == PLAY_STATE_LOADING) {
|
|
mNextState = PLAY_STATE_PLAYING;
|
|
return;
|
|
}
|
|
|
|
ChangeState(PLAY_STATE_PLAYING);
|
|
}
|
|
|
|
void MediaDecoder::Seek(double aTime, SeekTarget::Type aSeekType) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
MOZ_ASSERT(aTime >= 0.0, "Cannot seek to a negative value.");
|
|
|
|
auto time = TimeUnit::FromSeconds(aTime);
|
|
|
|
mLogicalPosition = aTime;
|
|
|
|
mLogicallySeeking = true;
|
|
SeekTarget target = SeekTarget(time, aSeekType);
|
|
CallSeek(target);
|
|
|
|
if (mPlayState == PLAY_STATE_ENDED) {
|
|
ChangeState(GetOwner()->GetPaused() ? PLAY_STATE_PAUSED
|
|
: PLAY_STATE_PLAYING);
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::DiscardOngoingSeekIfExists() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
mSeekRequest.DisconnectIfExists();
|
|
}
|
|
|
|
void MediaDecoder::CallSeek(const SeekTarget& aTarget) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
DiscardOngoingSeekIfExists();
|
|
|
|
mDecoderStateMachine->InvokeSeek(aTarget)
|
|
->Then(mAbstractMainThread, __func__, this, &MediaDecoder::OnSeekResolved,
|
|
&MediaDecoder::OnSeekRejected)
|
|
->Track(mSeekRequest);
|
|
}
|
|
|
|
double MediaDecoder::GetCurrentTime() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
return mLogicalPosition;
|
|
}
|
|
|
|
void MediaDecoder::OnMetadataUpdate(TimedMetadata&& aMetadata) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
GetOwner()->RemoveMediaTracks();
|
|
MetadataLoaded(MakeUnique<MediaInfo>(*aMetadata.mInfo),
|
|
UniquePtr<MetadataTags>(std::move(aMetadata.mTags)),
|
|
MediaDecoderEventVisibility::Observable);
|
|
FirstFrameLoaded(std::move(aMetadata.mInfo),
|
|
MediaDecoderEventVisibility::Observable);
|
|
}
|
|
|
|
void MediaDecoder::MetadataLoaded(
|
|
UniquePtr<MediaInfo> aInfo, UniquePtr<MetadataTags> aTags,
|
|
MediaDecoderEventVisibility aEventVisibility) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
|
|
LOG("MetadataLoaded, channels=%u rate=%u hasAudio=%d hasVideo=%d",
|
|
aInfo->mAudio.mChannels, aInfo->mAudio.mRate, aInfo->HasAudio(),
|
|
aInfo->HasVideo());
|
|
|
|
mMediaSeekable = aInfo->mMediaSeekable;
|
|
mMediaSeekableOnlyInBufferedRanges =
|
|
aInfo->mMediaSeekableOnlyInBufferedRanges;
|
|
mInfo = aInfo.release();
|
|
GetOwner()->ConstructMediaTracks(mInfo);
|
|
mDecoderStateMachine->EnsureOutputStreamManagerHasTracks(*mInfo);
|
|
|
|
// Make sure the element and the frame (if any) are told about
|
|
// our new size.
|
|
if (aEventVisibility != MediaDecoderEventVisibility::Suppressed) {
|
|
mFiredMetadataLoaded = true;
|
|
GetOwner()->MetadataLoaded(mInfo, std::move(aTags));
|
|
}
|
|
// Invalidate() will end up calling GetOwner()->UpdateMediaSize with the last
|
|
// dimensions retrieved from the video frame container. The video frame
|
|
// container contains more up to date dimensions than aInfo.
|
|
// So we call Invalidate() after calling GetOwner()->MetadataLoaded to ensure
|
|
// the media element has the latest dimensions.
|
|
Invalidate();
|
|
|
|
EnsureTelemetryReported();
|
|
}
|
|
|
|
void MediaDecoder::EnsureTelemetryReported() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
|
|
if (mTelemetryReported || !mInfo) {
|
|
// Note: sometimes we get multiple MetadataLoaded calls (for example
|
|
// for chained ogg). So we ensure we don't report duplicate results for
|
|
// these resources.
|
|
return;
|
|
}
|
|
|
|
nsTArray<nsCString> codecs;
|
|
if (mInfo->HasAudio() &&
|
|
!mInfo->mAudio.GetAsAudioInfo()->mMimeType.IsEmpty()) {
|
|
codecs.AppendElement(mInfo->mAudio.GetAsAudioInfo()->mMimeType);
|
|
}
|
|
if (mInfo->HasVideo() &&
|
|
!mInfo->mVideo.GetAsVideoInfo()->mMimeType.IsEmpty()) {
|
|
codecs.AppendElement(mInfo->mVideo.GetAsVideoInfo()->mMimeType);
|
|
}
|
|
if (codecs.IsEmpty()) {
|
|
codecs.AppendElement(nsPrintfCString(
|
|
"resource; %s", ContainerType().OriginalString().Data()));
|
|
}
|
|
for (const nsCString& codec : codecs) {
|
|
LOG("Telemetry MEDIA_CODEC_USED= '%s'", codec.get());
|
|
Telemetry::Accumulate(Telemetry::HistogramID::MEDIA_CODEC_USED, codec);
|
|
}
|
|
|
|
mTelemetryReported = true;
|
|
}
|
|
|
|
const char* MediaDecoder::PlayStateStr() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
return ToPlayStateStr(mPlayState);
|
|
}
|
|
|
|
void MediaDecoder::FirstFrameLoaded(
|
|
nsAutoPtr<MediaInfo> aInfo, MediaDecoderEventVisibility aEventVisibility) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
|
|
LOG("FirstFrameLoaded, channels=%u rate=%u hasAudio=%d hasVideo=%d "
|
|
"mPlayState=%s transportSeekable=%d",
|
|
aInfo->mAudio.mChannels, aInfo->mAudio.mRate, aInfo->HasAudio(),
|
|
aInfo->HasVideo(), PlayStateStr(), IsTransportSeekable());
|
|
|
|
mInfo = aInfo.forget();
|
|
|
|
Invalidate();
|
|
|
|
// The element can run javascript via events
|
|
// before reaching here, so only change the
|
|
// state if we're still set to the original
|
|
// loading state.
|
|
if (mPlayState == PLAY_STATE_LOADING) {
|
|
ChangeState(mNextState);
|
|
}
|
|
|
|
// GetOwner()->FirstFrameLoaded() might call us back. Put it at the bottom of
|
|
// this function to avoid unexpected shutdown from reentrant calls.
|
|
if (aEventVisibility != MediaDecoderEventVisibility::Suppressed) {
|
|
GetOwner()->FirstFrameLoaded();
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::NetworkError(const MediaResult& aError) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
GetOwner()->NetworkError(aError);
|
|
}
|
|
|
|
void MediaDecoder::DecodeError(const MediaResult& aError) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
GetOwner()->DecodeError(aError);
|
|
}
|
|
|
|
void MediaDecoder::UpdateSameOriginStatus(bool aSameOrigin) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
mSameOriginMedia = aSameOrigin;
|
|
}
|
|
|
|
bool MediaDecoder::IsSeeking() const {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return mLogicallySeeking;
|
|
}
|
|
|
|
bool MediaDecoder::OwnerHasError() const {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
return GetOwner()->HasError();
|
|
}
|
|
|
|
bool MediaDecoder::IsEnded() const {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return mPlayState == PLAY_STATE_ENDED;
|
|
}
|
|
|
|
bool MediaDecoder::IsShutdown() const {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return mPlayState == PLAY_STATE_SHUTDOWN;
|
|
}
|
|
|
|
void MediaDecoder::PlaybackEnded() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
|
|
if (mLogicallySeeking || mPlayState == PLAY_STATE_LOADING ||
|
|
mPlayState == PLAY_STATE_ENDED) {
|
|
LOG("MediaDecoder::PlaybackEnded bailed out, "
|
|
"mLogicallySeeking=%d mPlayState=%s",
|
|
mLogicallySeeking.Ref(), ToPlayStateStr(mPlayState));
|
|
return;
|
|
}
|
|
|
|
LOG("MediaDecoder::PlaybackEnded");
|
|
|
|
ChangeState(PLAY_STATE_ENDED);
|
|
InvalidateWithFlags(VideoFrameContainer::INVALIDATE_FORCE);
|
|
GetOwner()->PlaybackEnded();
|
|
}
|
|
|
|
void MediaDecoder::NotifyPrincipalChanged() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
GetOwner()->NotifyDecoderPrincipalChanged();
|
|
}
|
|
|
|
void MediaDecoder::OnSeekResolved() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
mLogicallySeeking = false;
|
|
|
|
// Ensure logical position is updated after seek.
|
|
UpdateLogicalPositionInternal();
|
|
mSeekRequest.Complete();
|
|
|
|
GetOwner()->SeekCompleted();
|
|
}
|
|
|
|
void MediaDecoder::OnSeekRejected() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
mSeekRequest.Complete();
|
|
mLogicallySeeking = false;
|
|
|
|
GetOwner()->SeekAborted();
|
|
}
|
|
|
|
void MediaDecoder::SeekingStarted() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
GetOwner()->SeekStarted();
|
|
}
|
|
|
|
void MediaDecoder::ChangeState(PlayState aState) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!IsShutdown(), "SHUTDOWN is the final state.");
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
|
|
if (mNextState == aState) {
|
|
mNextState = PLAY_STATE_PAUSED;
|
|
}
|
|
|
|
if (mPlayState != aState) {
|
|
DDLOG(DDLogCategory::Property, "play_state", ToPlayStateStr(aState));
|
|
}
|
|
mPlayState = aState;
|
|
|
|
if (mPlayState == PLAY_STATE_PLAYING) {
|
|
GetOwner()->ConstructMediaTracks(mInfo);
|
|
} else if (IsEnded()) {
|
|
GetOwner()->RemoveMediaTracks();
|
|
}
|
|
}
|
|
|
|
bool MediaDecoder::IsLoopingBack(double aPrevPos, double aCurPos) const {
|
|
// If current position is early than previous position and we didn't do seek,
|
|
// that means we looped back to the start position.
|
|
return mLooping && !mSeekRequest.Exists() && aCurPos < aPrevPos;
|
|
}
|
|
|
|
void MediaDecoder::UpdateLogicalPositionInternal() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
|
|
double currentPosition = CurrentPosition().ToSeconds();
|
|
if (mPlayState == PLAY_STATE_ENDED) {
|
|
currentPosition = std::max(currentPosition, mDuration);
|
|
}
|
|
bool logicalPositionChanged = mLogicalPosition != currentPosition;
|
|
SeekEventsGuard guard(GetOwner(),
|
|
IsLoopingBack(mLogicalPosition, currentPosition));
|
|
mLogicalPosition = currentPosition;
|
|
DDLOG(DDLogCategory::Property, "currentTime", mLogicalPosition);
|
|
|
|
// Invalidate the frame so any video data is displayed.
|
|
// Do this before the timeupdate event so that if that
|
|
// event runs JavaScript that queries the media size, the
|
|
// frame has reflowed and the size updated beforehand.
|
|
Invalidate();
|
|
|
|
if (logicalPositionChanged) {
|
|
FireTimeUpdate();
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::DurationChanged() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
|
|
double oldDuration = mDuration;
|
|
|
|
// Use the explicit duration if we have one.
|
|
// Otherwise use the duration mirrored from MDSM.
|
|
if (mExplicitDuration.isSome()) {
|
|
mDuration = mExplicitDuration.ref();
|
|
} else if (mStateMachineDuration.Ref().isSome()) {
|
|
mDuration = mStateMachineDuration.Ref().ref().ToSeconds();
|
|
}
|
|
|
|
if (mDuration == oldDuration || IsNaN(mDuration)) {
|
|
return;
|
|
}
|
|
|
|
LOG("Duration changed to %f", mDuration);
|
|
|
|
// See https://www.w3.org/Bugs/Public/show_bug.cgi?id=28822 for a discussion
|
|
// of whether we should fire durationchange on explicit infinity.
|
|
if (mFiredMetadataLoaded &&
|
|
(!mozilla::IsInfinite<double>(mDuration) || mExplicitDuration.isSome())) {
|
|
GetOwner()->DispatchAsyncEvent(NS_LITERAL_STRING("durationchange"));
|
|
}
|
|
|
|
if (CurrentPosition() > TimeUnit::FromSeconds(mDuration)) {
|
|
Seek(mDuration, SeekTarget::Accurate);
|
|
}
|
|
}
|
|
|
|
already_AddRefed<KnowsCompositor> MediaDecoder::GetCompositor() {
|
|
MediaDecoderOwner* owner = GetOwner();
|
|
Document* ownerDoc = owner ? owner->GetDocument() : nullptr;
|
|
RefPtr<LayerManager> layerManager =
|
|
ownerDoc ? nsContentUtils::LayerManagerForDocument(ownerDoc) : nullptr;
|
|
RefPtr<KnowsCompositor> knows =
|
|
layerManager ? layerManager->AsKnowsCompositor() : nullptr;
|
|
return knows ? knows->GetForMedia().forget() : nullptr;
|
|
}
|
|
|
|
void MediaDecoder::NotifyCompositor() {
|
|
RefPtr<KnowsCompositor> knowsCompositor = GetCompositor();
|
|
if (knowsCompositor) {
|
|
nsCOMPtr<nsIRunnable> r =
|
|
NewRunnableMethod<already_AddRefed<KnowsCompositor>&&>(
|
|
"MediaFormatReader::UpdateCompositor", mReader,
|
|
&MediaFormatReader::UpdateCompositor, knowsCompositor.forget());
|
|
Unused << mReader->OwnerThread()->Dispatch(r.forget());
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::SetElementVisibility(bool aIsDocumentVisible,
|
|
Visibility aElementVisibility,
|
|
bool aIsElementInTree) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
mIsDocumentVisible = aIsDocumentVisible;
|
|
mElementVisibility = aElementVisibility;
|
|
mIsElementInTree = aIsElementInTree;
|
|
UpdateVideoDecodeMode();
|
|
}
|
|
|
|
void MediaDecoder::SetForcedHidden(bool aForcedHidden) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
mForcedHidden = aForcedHidden;
|
|
UpdateVideoDecodeMode();
|
|
}
|
|
|
|
void MediaDecoder::SetSuspendTaint(bool aTainted) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
mHasSuspendTaint = aTainted;
|
|
UpdateVideoDecodeMode();
|
|
}
|
|
|
|
void MediaDecoder::UpdateVideoDecodeMode() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(mAbstractMainThread);
|
|
|
|
// The MDSM may yet be set.
|
|
if (!mDecoderStateMachine) {
|
|
LOG("UpdateVideoDecodeMode(), early return because we don't have MDSM.");
|
|
return;
|
|
}
|
|
|
|
// Seeking is required when leaving suspend mode.
|
|
if (!mMediaSeekable) {
|
|
LOG("UpdateVideoDecodeMode(), set Normal because the media is not "
|
|
"seekable");
|
|
mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Normal);
|
|
return;
|
|
}
|
|
|
|
// If mHasSuspendTaint is set, never suspend the video decoder.
|
|
if (mHasSuspendTaint) {
|
|
LOG("UpdateVideoDecodeMode(), set Normal because the element has been "
|
|
"tainted.");
|
|
mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Normal);
|
|
return;
|
|
}
|
|
|
|
// If mIsCloningVisually is set, never suspend the video decoder.
|
|
if (mIsCloningVisually) {
|
|
LOG("UpdateVideoDecodeMode(), set Normal because the element is cloning "
|
|
"itself visually to another video container.");
|
|
mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Normal);
|
|
return;
|
|
}
|
|
|
|
// Don't suspend elements that is not in tree.
|
|
if (!mIsElementInTree) {
|
|
LOG("UpdateVideoDecodeMode(), set Normal because the element is not in "
|
|
"tree.");
|
|
mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Normal);
|
|
return;
|
|
}
|
|
|
|
// If mForcedHidden is set, suspend the video decoder anyway.
|
|
if (mForcedHidden) {
|
|
LOG("UpdateVideoDecodeMode(), set Suspend because the element is forced to "
|
|
"be suspended.");
|
|
mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Suspend);
|
|
return;
|
|
}
|
|
|
|
// Resume decoding in the advance, even the element is in the background.
|
|
if (mIsBackgroundVideoDecodingAllowed) {
|
|
LOG("UpdateVideoDecodeMode(), set Normal because the tab is in background "
|
|
"and hovered.");
|
|
mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Normal);
|
|
return;
|
|
}
|
|
|
|
// If the element is in-tree with UNTRACKED visibility, that means the element
|
|
// is not close enough to the viewport so we have not start to update its
|
|
// visibility. In this case, it's equals to invisible.
|
|
if (mIsElementInTree && mElementVisibility == Visibility::Untracked) {
|
|
LOG("UpdateVideoDecodeMode(), set Suspend because element hasn't be "
|
|
"updated visibility state.");
|
|
mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Suspend);
|
|
return;
|
|
}
|
|
|
|
// Otherwise, depends on the owner's visibility state.
|
|
// A element is visible only if its document is visible and the element
|
|
// itself is visible.
|
|
if (mIsDocumentVisible &&
|
|
mElementVisibility == Visibility::ApproximatelyVisible) {
|
|
LOG("UpdateVideoDecodeMode(), set Normal because the element visible.");
|
|
mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Normal);
|
|
} else {
|
|
LOG("UpdateVideoDecodeMode(), set Suspend because the element is not "
|
|
"visible.");
|
|
mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Suspend);
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::SetIsBackgroundVideoDecodingAllowed(bool aAllowed) {
|
|
mIsBackgroundVideoDecodingAllowed = aAllowed;
|
|
UpdateVideoDecodeMode();
|
|
}
|
|
|
|
bool MediaDecoder::HasSuspendTaint() const {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return mHasSuspendTaint;
|
|
}
|
|
|
|
void MediaDecoder::SetCloningVisually(bool aIsCloningVisually) {
|
|
if (mIsCloningVisually != aIsCloningVisually) {
|
|
mIsCloningVisually = aIsCloningVisually;
|
|
UpdateVideoDecodeMode();
|
|
}
|
|
}
|
|
|
|
bool MediaDecoder::IsMediaSeekable() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
NS_ENSURE_TRUE(GetStateMachine(), false);
|
|
return mMediaSeekable;
|
|
}
|
|
|
|
media::TimeIntervals MediaDecoder::GetSeekable() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
if (IsNaN(GetDuration())) {
|
|
// We do not have a duration yet, we can't determine the seekable range.
|
|
return TimeIntervals();
|
|
}
|
|
|
|
// We can seek in buffered range if the media is seekable. Also, we can seek
|
|
// in unbuffered ranges if the transport level is seekable (local file or the
|
|
// server supports range requests, etc.) or in cue-less WebMs
|
|
if (mMediaSeekableOnlyInBufferedRanges) {
|
|
return GetBuffered();
|
|
} else if (!IsMediaSeekable()) {
|
|
return media::TimeIntervals();
|
|
} else if (!IsTransportSeekable()) {
|
|
return GetBuffered();
|
|
} else {
|
|
return media::TimeIntervals(media::TimeInterval(
|
|
TimeUnit::Zero(), IsInfinite() ? TimeUnit::FromInfinity()
|
|
: TimeUnit::FromSeconds(GetDuration())));
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::SetFragmentEndTime(double aTime) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
if (mDecoderStateMachine) {
|
|
mDecoderStateMachine->DispatchSetFragmentEndTime(
|
|
TimeUnit::FromSeconds(aTime));
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::SetPlaybackRate(double aPlaybackRate) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
|
|
double oldRate = mPlaybackRate;
|
|
mPlaybackRate = aPlaybackRate;
|
|
if (aPlaybackRate == 0) {
|
|
Pause();
|
|
return;
|
|
}
|
|
|
|
if (oldRate == 0 && !GetOwner()->GetPaused()) {
|
|
// PlaybackRate is no longer null.
|
|
// Restart the playback if the media was playing.
|
|
Play();
|
|
}
|
|
|
|
if (mDecoderStateMachine) {
|
|
mDecoderStateMachine->DispatchSetPlaybackRate(aPlaybackRate);
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::SetPreservesPitch(bool aPreservesPitch) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
mPreservesPitch = aPreservesPitch;
|
|
}
|
|
|
|
void MediaDecoder::SetLooping(bool aLooping) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
mLooping = aLooping;
|
|
}
|
|
|
|
void MediaDecoder::ConnectMirrors(MediaDecoderStateMachine* aObject) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aObject);
|
|
mStateMachineDuration.Connect(aObject->CanonicalDuration());
|
|
mBuffered.Connect(aObject->CanonicalBuffered());
|
|
mCurrentPosition.Connect(aObject->CanonicalCurrentPosition());
|
|
mIsAudioDataAudible.Connect(aObject->CanonicalIsAudioDataAudible());
|
|
}
|
|
|
|
void MediaDecoder::DisconnectMirrors() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
mStateMachineDuration.DisconnectIfConnected();
|
|
mBuffered.DisconnectIfConnected();
|
|
mCurrentPosition.DisconnectIfConnected();
|
|
mIsAudioDataAudible.DisconnectIfConnected();
|
|
}
|
|
|
|
void MediaDecoder::SetStateMachine(MediaDecoderStateMachine* aStateMachine) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT_IF(aStateMachine, !mDecoderStateMachine);
|
|
if (aStateMachine) {
|
|
mDecoderStateMachine = aStateMachine;
|
|
DDLINKCHILD("decoder state machine", mDecoderStateMachine.get());
|
|
ConnectMirrors(aStateMachine);
|
|
UpdateVideoDecodeMode();
|
|
} else if (mDecoderStateMachine) {
|
|
DDUNLINKCHILD(mDecoderStateMachine.get());
|
|
mDecoderStateMachine = nullptr;
|
|
DisconnectMirrors();
|
|
}
|
|
}
|
|
|
|
ImageContainer* MediaDecoder::GetImageContainer() {
|
|
return mVideoFrameContainer ? mVideoFrameContainer->GetImageContainer()
|
|
: nullptr;
|
|
}
|
|
|
|
void MediaDecoder::InvalidateWithFlags(uint32_t aFlags) {
|
|
if (mVideoFrameContainer) {
|
|
mVideoFrameContainer->InvalidateWithFlags(aFlags);
|
|
}
|
|
}
|
|
|
|
void MediaDecoder::Invalidate() {
|
|
if (mVideoFrameContainer) {
|
|
mVideoFrameContainer->Invalidate();
|
|
}
|
|
}
|
|
|
|
// Constructs the time ranges representing what segments of the media
|
|
// are buffered and playable.
|
|
media::TimeIntervals MediaDecoder::GetBuffered() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return mBuffered.Ref();
|
|
}
|
|
|
|
size_t MediaDecoder::SizeOfVideoQueue() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
if (mDecoderStateMachine) {
|
|
return mDecoderStateMachine->SizeOfVideoQueue();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
size_t MediaDecoder::SizeOfAudioQueue() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
if (mDecoderStateMachine) {
|
|
return mDecoderStateMachine->SizeOfAudioQueue();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void MediaDecoder::NotifyReaderDataArrived() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
|
|
nsresult rv = mReader->OwnerThread()->Dispatch(
|
|
NewRunnableMethod("MediaFormatReader::NotifyDataArrived", mReader.get(),
|
|
&MediaFormatReader::NotifyDataArrived));
|
|
MOZ_DIAGNOSTIC_ASSERT(NS_SUCCEEDED(rv));
|
|
Unused << rv;
|
|
}
|
|
|
|
// Provide access to the state machine object
|
|
MediaDecoderStateMachine* MediaDecoder::GetStateMachine() const {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return mDecoderStateMachine;
|
|
}
|
|
|
|
void MediaDecoder::FireTimeUpdate() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
GetOwner()->FireTimeUpdate(true);
|
|
}
|
|
|
|
bool MediaDecoder::CanPlayThrough() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
AbstractThread::AutoEnter context(AbstractMainThread());
|
|
return CanPlayThroughImpl();
|
|
}
|
|
|
|
RefPtr<SetCDMPromise> MediaDecoder::SetCDMProxy(CDMProxy* aProxy) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return InvokeAsync<RefPtr<CDMProxy>>(mReader->OwnerThread(), mReader.get(),
|
|
__func__,
|
|
&MediaFormatReader::SetCDMProxy, aProxy);
|
|
}
|
|
|
|
bool MediaDecoder::IsOpusEnabled() { return StaticPrefs::media_opus_enabled(); }
|
|
|
|
bool MediaDecoder::IsOggEnabled() { return StaticPrefs::media_ogg_enabled(); }
|
|
|
|
bool MediaDecoder::IsWaveEnabled() { return StaticPrefs::media_wave_enabled(); }
|
|
|
|
bool MediaDecoder::IsWebMEnabled() { return StaticPrefs::media_webm_enabled(); }
|
|
|
|
NS_IMETHODIMP
|
|
MediaMemoryTracker::CollectReports(nsIHandleReportCallback* aHandleReport,
|
|
nsISupports* aData, bool aAnonymize) {
|
|
// NB: When resourceSizes' ref count goes to 0 the promise will report the
|
|
// resources memory and finish the asynchronous memory report.
|
|
RefPtr<MediaDecoder::ResourceSizes> resourceSizes =
|
|
new MediaDecoder::ResourceSizes(MediaMemoryTracker::MallocSizeOf);
|
|
|
|
nsCOMPtr<nsIHandleReportCallback> handleReport = aHandleReport;
|
|
nsCOMPtr<nsISupports> data = aData;
|
|
|
|
resourceSizes->Promise()->Then(
|
|
// Don't use SystemGroup::AbstractMainThreadFor() for
|
|
// handleReport->Callback() will run scripts.
|
|
AbstractThread::MainThread(), __func__,
|
|
[handleReport, data](size_t size) {
|
|
handleReport->Callback(
|
|
EmptyCString(), NS_LITERAL_CSTRING("explicit/media/resources"),
|
|
KIND_HEAP, UNITS_BYTES, size,
|
|
NS_LITERAL_CSTRING("Memory used by media resources including "
|
|
"streaming buffers, caches, etc."),
|
|
data);
|
|
|
|
nsCOMPtr<nsIMemoryReporterManager> imgr =
|
|
do_GetService("@mozilla.org/memory-reporter-manager;1");
|
|
|
|
if (imgr) {
|
|
imgr->EndReport();
|
|
}
|
|
},
|
|
[](size_t) { /* unused reject function */ });
|
|
|
|
int64_t video = 0;
|
|
int64_t audio = 0;
|
|
DecodersArray& decoders = Decoders();
|
|
for (size_t i = 0; i < decoders.Length(); ++i) {
|
|
MediaDecoder* decoder = decoders[i];
|
|
video += decoder->SizeOfVideoQueue();
|
|
audio += decoder->SizeOfAudioQueue();
|
|
decoder->AddSizeOfResources(resourceSizes);
|
|
}
|
|
|
|
MOZ_COLLECT_REPORT("explicit/media/decoded/video", KIND_HEAP, UNITS_BYTES,
|
|
video, "Memory used by decoded video frames.");
|
|
|
|
MOZ_COLLECT_REPORT("explicit/media/decoded/audio", KIND_HEAP, UNITS_BYTES,
|
|
audio, "Memory used by decoded audio chunks.");
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
MediaDecoderOwner* MediaDecoder::GetOwner() const {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
// mOwner is valid until shutdown.
|
|
return mOwner;
|
|
}
|
|
|
|
MediaDecoderOwner::NextFrameStatus MediaDecoder::NextFrameBufferedStatus() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
// Next frame hasn't been decoded yet.
|
|
// Use the buffered range to consider if we have the next frame available.
|
|
auto currentPosition = CurrentPosition();
|
|
media::TimeInterval interval(
|
|
currentPosition, currentPosition + DEFAULT_NEXT_FRAME_AVAILABLE_BUFFERED);
|
|
return GetBuffered().Contains(interval)
|
|
? MediaDecoderOwner::NEXT_FRAME_AVAILABLE
|
|
: MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE;
|
|
}
|
|
|
|
void MediaDecoder::GetDebugInfo(dom::MediaDecoderDebugInfo& aInfo) {
|
|
aInfo.mInstance = NS_ConvertUTF8toUTF16(nsPrintfCString("%p", this));
|
|
aInfo.mChannels = mInfo ? mInfo->mAudio.mChannels : 0;
|
|
aInfo.mRate = mInfo ? mInfo->mAudio.mRate : 0;
|
|
aInfo.mHasAudio = mInfo ? mInfo->HasAudio() : false;
|
|
aInfo.mHasVideo = mInfo ? mInfo->HasVideo() : false;
|
|
aInfo.mPlayState = NS_ConvertUTF8toUTF16(PlayStateStr());
|
|
aInfo.mContainerType =
|
|
NS_ConvertUTF8toUTF16(ContainerType().Type().AsString());
|
|
mReader->GetDebugInfo(aInfo.mReader);
|
|
}
|
|
|
|
RefPtr<GenericPromise> MediaDecoder::RequestDebugInfo(
|
|
MediaDecoderDebugInfo& aInfo) {
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
GetDebugInfo(aInfo);
|
|
|
|
if (!GetStateMachine()) {
|
|
return GenericPromise::CreateAndResolve(true, __func__);
|
|
}
|
|
|
|
return GetStateMachine()
|
|
->RequestDebugInfo(aInfo.mStateMachine)
|
|
->Then(
|
|
SystemGroup::AbstractMainThreadFor(TaskCategory::Other), __func__,
|
|
[]() { return GenericPromise::CreateAndResolve(true, __func__); },
|
|
[]() {
|
|
UNREACHABLE();
|
|
return GenericPromise::CreateAndResolve(false, __func__);
|
|
});
|
|
}
|
|
|
|
void MediaDecoder::NotifyAudibleStateChanged() {
|
|
MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
|
|
GetOwner()->SetAudibleState(mIsAudioDataAudible);
|
|
}
|
|
|
|
MediaMemoryTracker::MediaMemoryTracker() {}
|
|
|
|
void MediaMemoryTracker::InitMemoryReporter() {
|
|
RegisterWeakAsyncMemoryReporter(this);
|
|
}
|
|
|
|
MediaMemoryTracker::~MediaMemoryTracker() {
|
|
UnregisterWeakMemoryReporter(this);
|
|
}
|
|
|
|
} // namespace mozilla
|
|
|
|
// avoid redefined macro in unified build
|
|
#undef DUMP
|
|
#undef LOG
|
|
#undef NS_DispatchToMainThread
|