Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1681 insertions, 0 deletions

diff --git a/dom/media/MediaDecoder.cpp b/dom/media/MediaDecoder.cpp
new file mode 100644
index 0000000000..f7a8d4e644
--- /dev/null
+++ b/dom/media/MediaDecoder.cpp
@@ -0,0 +1,1681 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#include "MediaDecoder.h"
+
+#include "AudioDeviceInfo.h"
+#include "DOMMediaStream.h"
+#include "DecoderBenchmark.h"
+#include "ImageContainer.h"
+#include "MediaDecoderStateMachineBase.h"
+#include "MediaFormatReader.h"
+#include "MediaResource.h"
+#include "MediaShutdownManager.h"
+#include "MediaTrackGraph.h"
+#include "TelemetryProbesReporter.h"
+#include "VideoFrameContainer.h"
+#include "VideoUtils.h"
+#include "mozilla/AbstractThread.h"
+#include "mozilla/dom/DOMTypes.h"
+#include "mozilla/FloatingPoint.h"
+#include "mozilla/MathAlgorithms.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/StaticPrefs_media.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/Telemetry.h"
+#include "mozilla/Unused.h"
+#include "nsComponentManagerUtils.h"
+#include "nsContentUtils.h"
+#include "nsError.h"
+#include "nsIMemoryReporter.h"
+#include "nsPrintfCString.h"
+#include "nsServiceManagerUtils.h"
+#include "nsTArray.h"
+#include "WindowRenderer.h"
+#include <algorithm>
+#include <cmath>
+#include <limits>
+
+using namespace mozilla::dom;
+using namespace mozilla::layers;
+using namespace mozilla::media;
+
+namespace mozilla {
+
+// avoid redefined macro in unified build
+#undef LOG
+#undef DUMP
+
+LazyLogModule gMediaDecoderLog("MediaDecoder");
+
+#define LOG(x, ...) \
+  DDMOZ_LOG(gMediaDecoderLog, LogLevel::Debug, x, ##__VA_ARGS__)
+
+#define DUMP(x, ...) printf_stderr(x "\n", ##__VA_ARGS__)
+
+#define NS_DispatchToMainThread(...) CompileError_UseAbstractMainThreadInstead
+
+static const char* ToPlayStateStr(MediaDecoder::PlayState aState) {
+  switch (aState) {
+    case MediaDecoder::PLAY_STATE_LOADING:
+      return "LOADING";
+    case MediaDecoder::PLAY_STATE_PAUSED:
+      return "PAUSED";
+    case MediaDecoder::PLAY_STATE_PLAYING:
+      return "PLAYING";
+    case MediaDecoder::PLAY_STATE_ENDED:
+      return "ENDED";
+    case MediaDecoder::PLAY_STATE_SHUTDOWN:
+      return "SHUTDOWN";
+    default:
+      MOZ_ASSERT_UNREACHABLE("Invalid playState.");
+  }
+  return "UNKNOWN";
+}
+
+class MediaMemoryTracker : public nsIMemoryReporter {
+  virtual ~MediaMemoryTracker();
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIMEMORYREPORTER
+
+  MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf);
+
+  MediaMemoryTracker();
+  void InitMemoryReporter();
+
+  static StaticRefPtr<MediaMemoryTracker> sUniqueInstance;
+
+  static MediaMemoryTracker* UniqueInstance() {
+    if (!sUniqueInstance) {
+      sUniqueInstance = new MediaMemoryTracker();
+      sUniqueInstance->InitMemoryReporter();
+    }
+    return sUniqueInstance;
+  }
+
+  using DecodersArray = nsTArray<MediaDecoder*>;
+  static DecodersArray& Decoders() { return UniqueInstance()->mDecoders; }
+
+  DecodersArray mDecoders;
+
+ public:
+  static void AddMediaDecoder(MediaDecoder* aDecoder) {
+    Decoders().AppendElement(aDecoder);
+  }
+
+  static void RemoveMediaDecoder(MediaDecoder* aDecoder) {
+    DecodersArray& decoders = Decoders();
+    decoders.RemoveElement(aDecoder);
+    if (decoders.IsEmpty()) {
+      sUniqueInstance = nullptr;
+    }
+  }
+
+  static RefPtr<MediaMemoryPromise> GetSizes(dom::Document* aDoc) {
+    MOZ_ASSERT(NS_IsMainThread());
+    DecodersArray& decoders = Decoders();
+
+    // if we don't have any decoder, we can bail
+    if (decoders.IsEmpty()) {
+      // and release the instance that was created by calling Decoders()
+      sUniqueInstance = nullptr;
+      return MediaMemoryPromise::CreateAndResolve(MediaMemoryInfo(), __func__);
+    }
+
+    RefPtr<MediaDecoder::ResourceSizes> resourceSizes =
+        new MediaDecoder::ResourceSizes(MediaMemoryTracker::MallocSizeOf);
+
+    size_t videoSize = 0;
+    size_t audioSize = 0;
+
+    for (auto&& decoder : decoders) {
+      if (decoder->GetOwner() && decoder->GetOwner()->GetDocument() == aDoc) {
+        videoSize += decoder->SizeOfVideoQueue();
+        audioSize += decoder->SizeOfAudioQueue();
+        decoder->AddSizeOfResources(resourceSizes);
+      }
+    }
+
+    return resourceSizes->Promise()->Then(
+        AbstractThread::MainThread(), __func__,
+        [videoSize, audioSize](size_t resourceSize) {
+          return MediaMemoryPromise::CreateAndResolve(
+              MediaMemoryInfo(videoSize, audioSize, resourceSize), __func__);
+        },
+        [](size_t) {
+          return MediaMemoryPromise::CreateAndReject(NS_ERROR_FAILURE,
+                                                     __func__);
+        });
+  }
+};
+
+StaticRefPtr<MediaMemoryTracker> MediaMemoryTracker::sUniqueInstance;
+
+RefPtr<MediaMemoryPromise> GetMediaMemorySizes(dom::Document* aDoc) {
+  return MediaMemoryTracker::GetSizes(aDoc);
+}
+
+LazyLogModule gMediaTimerLog("MediaTimer");
+
+constexpr TimeUnit MediaDecoder::DEFAULT_NEXT_FRAME_AVAILABLE_BUFFERED;
+
+void MediaDecoder::InitStatics() {
+  MOZ_ASSERT(NS_IsMainThread());
+  // Eagerly init gMediaDecoderLog to work around bug 1415441.
+  MOZ_LOG(gMediaDecoderLog, LogLevel::Info, ("MediaDecoder::InitStatics"));
+}
+
+NS_IMPL_ISUPPORTS(MediaMemoryTracker, nsIMemoryReporter)
+
+void MediaDecoder::NotifyOwnerActivityChanged(bool aIsOwnerInvisible,
+                                              bool aIsOwnerConnected) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+  SetElementVisibility(aIsOwnerInvisible, aIsOwnerConnected);
+
+  NotifyCompositor();
+}
+
+void MediaDecoder::Pause() {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+  LOG("Pause");
+  if (mPlayState == PLAY_STATE_LOADING || IsEnded()) {
+    mNextState = PLAY_STATE_PAUSED;
+    return;
+  }
+  ChangeState(PLAY_STATE_PAUSED);
+}
+
+void MediaDecoder::SetVolume(double aVolume) {
+  MOZ_ASSERT(NS_IsMainThread());
+  mVolume = aVolume;
+}
+
+RefPtr<GenericPromise> MediaDecoder::SetSink(AudioDeviceInfo* aSinkDevice) {
+  MOZ_ASSERT(NS_IsMainThread());
+  mSinkDevice = aSinkDevice;
+  return GetStateMachine()->InvokeSetSink(aSinkDevice);
+}
+
+void MediaDecoder::SetOutputCaptureState(OutputCaptureState aState,
+                                         SharedDummyTrack* aDummyTrack) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(mDecoderStateMachine, "Must be called after Load().");
+  MOZ_ASSERT_IF(aState == OutputCaptureState::Capture, aDummyTrack);
+  mOutputCaptureState = aState;
+  if (mOutputDummyTrack.Ref().get() != aDummyTrack) {
+    mOutputDummyTrack = nsMainThreadPtrHandle<SharedDummyTrack>(
+        MakeAndAddRef<nsMainThreadPtrHolder<SharedDummyTrack>>(
+            "MediaDecoder::mOutputDummyTrack", aDummyTrack));
+  }
+}
+
+void MediaDecoder::AddOutputTrack(RefPtr<ProcessedMediaTrack> aTrack) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(mDecoderStateMachine, "Must be called after Load().");
+  CopyableTArray<RefPtr<ProcessedMediaTrack>> tracks = mOutputTracks;
+  tracks.AppendElement(std::move(aTrack));
+  mOutputTracks = tracks;
+}
+
+void MediaDecoder::RemoveOutputTrack(
+    const RefPtr<ProcessedMediaTrack>& aTrack) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(mDecoderStateMachine, "Must be called after Load().");
+  CopyableTArray<RefPtr<ProcessedMediaTrack>> tracks = mOutputTracks;
+  if (tracks.RemoveElement(aTrack)) {
+    mOutputTracks = tracks;
+  }
+}
+
+void MediaDecoder::SetOutputTracksPrincipal(
+    const RefPtr<nsIPrincipal>& aPrincipal) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(mDecoderStateMachine, "Must be called after Load().");
+  mOutputPrincipal = MakePrincipalHandle(aPrincipal);
+}
+
+double MediaDecoder::GetDuration() {
+  MOZ_ASSERT(NS_IsMainThread());
+  return ToMicrosecondResolution(mDuration.match(DurationToDouble()));
+}
+
+bool MediaDecoder::IsInfinite() const {
+  MOZ_ASSERT(NS_IsMainThread());
+  return std::isinf(mDuration.match(DurationToDouble()));
+}
+
+#define INIT_MIRROR(name, val) \
+  name(mOwner->AbstractMainThread(), val, "MediaDecoder::" #name " (Mirror)")
+#define INIT_CANONICAL(name, val) \
+  name(mOwner->AbstractMainThread(), val, "MediaDecoder::" #name " (Canonical)")
+
+MediaDecoder::MediaDecoder(MediaDecoderInit& aInit)
+    : mWatchManager(this, aInit.mOwner->AbstractMainThread()),
+      mLogicalPosition(0.0),
+      mDuration(TimeUnit::Invalid()),
+      mOwner(aInit.mOwner),
+      mAbstractMainThread(aInit.mOwner->AbstractMainThread()),
+      mFrameStats(new FrameStatistics()),
+      mDecoderBenchmark(new DecoderBenchmark()),
+      mVideoFrameContainer(aInit.mOwner->GetVideoFrameContainer()),
+      mMinimizePreroll(aInit.mMinimizePreroll),
+      mFiredMetadataLoaded(false),
+      mIsOwnerInvisible(false),
+      mIsOwnerConnected(false),
+      mForcedHidden(false),
+      mHasSuspendTaint(aInit.mHasSuspendTaint),
+      mShouldResistFingerprinting(
+          aInit.mOwner->ShouldResistFingerprinting(RFPTarget::Unknown)),
+      mPlaybackRate(aInit.mPlaybackRate),
+      mLogicallySeeking(false, "MediaDecoder::mLogicallySeeking"),
+      INIT_MIRROR(mBuffered, TimeIntervals()),
+      INIT_MIRROR(mCurrentPosition, TimeUnit::Zero()),
+      INIT_MIRROR(mStateMachineDuration, NullableTimeUnit()),
+      INIT_MIRROR(mIsAudioDataAudible, false),
+      INIT_CANONICAL(mVolume, aInit.mVolume),
+      INIT_CANONICAL(mPreservesPitch, aInit.mPreservesPitch),
+      INIT_CANONICAL(mLooping, aInit.mLooping),
+      INIT_CANONICAL(mStreamName, aInit.mStreamName),
+      INIT_CANONICAL(mSinkDevice, nullptr),
+      INIT_CANONICAL(mSecondaryVideoContainer, nullptr),
+      INIT_CANONICAL(mOutputCaptureState, OutputCaptureState::None),
+      INIT_CANONICAL(mOutputDummyTrack, nullptr),
+      INIT_CANONICAL(mOutputTracks, nsTArray<RefPtr<ProcessedMediaTrack>>()),
+      INIT_CANONICAL(mOutputPrincipal, PRINCIPAL_HANDLE_NONE),
+      INIT_CANONICAL(mPlayState, PLAY_STATE_LOADING),
+      mSameOriginMedia(false),
+      mVideoDecodingOberver(
+          new BackgroundVideoDecodingPermissionObserver(this)),
+      mIsBackgroundVideoDecodingAllowed(false),
+      mTelemetryReported(false),
+      mContainerType(aInit.mContainerType),
+      mTelemetryProbesReporter(
+          new TelemetryProbesReporter(aInit.mReporterOwner)) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(mAbstractMainThread);
+  MediaMemoryTracker::AddMediaDecoder(this);
+
+  //
+  // Initialize watchers.
+  //
+
+  // mDuration
+  mWatchManager.Watch(mStateMachineDuration, &MediaDecoder::DurationChanged);
+
+  // readyState
+  mWatchManager.Watch(mPlayState, &MediaDecoder::UpdateReadyState);
+  // ReadyState computation depends on MediaDecoder::CanPlayThrough, which
+  // depends on the download rate.
+  mWatchManager.Watch(mBuffered, &MediaDecoder::UpdateReadyState);
+
+  // mLogicalPosition
+  mWatchManager.Watch(mCurrentPosition, &MediaDecoder::UpdateLogicalPosition);
+  mWatchManager.Watch(mPlayState, &MediaDecoder::UpdateLogicalPosition);
+  mWatchManager.Watch(mLogicallySeeking, &MediaDecoder::UpdateLogicalPosition);
+
+  mWatchManager.Watch(mIsAudioDataAudible,
+                      &MediaDecoder::NotifyAudibleStateChanged);
+
+  mWatchManager.Watch(mVolume, &MediaDecoder::NotifyVolumeChanged);
+
+  mVideoDecodingOberver->RegisterEvent();
+}
+
+#undef INIT_MIRROR
+#undef INIT_CANONICAL
+
+void MediaDecoder::Shutdown() {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+
+  // Unwatch all watch targets to prevent further notifications.
+  mWatchManager.Shutdown();
+
+  DiscardOngoingSeekIfExists();
+
+  // This changes the decoder state to SHUTDOWN and does other things
+  // necessary to unblock the state machine thread if it's blocked, so
+  // the asynchronous shutdown in nsDestroyStateMachine won't deadlock.
+  if (mDecoderStateMachine) {
+    ShutdownStateMachine()->Then(mAbstractMainThread, __func__, this,
+                                 &MediaDecoder::FinishShutdown,
+                                 &MediaDecoder::FinishShutdown);
+  } else {
+    // Ensure we always unregister asynchronously in order not to disrupt
+    // the hashtable iterating in MediaShutdownManager::Shutdown().
+    RefPtr<MediaDecoder> self = this;
+    nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction(
+        "MediaDecoder::Shutdown", [self]() { self->ShutdownInternal(); });
+    mAbstractMainThread->Dispatch(r.forget());
+  }
+
+  ChangeState(PLAY_STATE_SHUTDOWN);
+  mVideoDecodingOberver->UnregisterEvent();
+  mVideoDecodingOberver = nullptr;
+  mOwner = nullptr;
+}
+
+void MediaDecoder::NotifyXPCOMShutdown() {
+  MOZ_ASSERT(NS_IsMainThread());
+  // NotifyXPCOMShutdown will clear its reference to mDecoder. So we must ensure
+  // that this MediaDecoder stays alive until completion.
+  RefPtr<MediaDecoder> kungFuDeathGrip = this;
+  if (auto* owner = GetOwner()) {
+    owner->NotifyXPCOMShutdown();
+  } else if (!IsShutdown()) {
+    Shutdown();
+  }
+  MOZ_DIAGNOSTIC_ASSERT(IsShutdown());
+}
+
+MediaDecoder::~MediaDecoder() {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(IsShutdown());
+  MediaMemoryTracker::RemoveMediaDecoder(this);
+}
+
+void MediaDecoder::OnPlaybackEvent(MediaPlaybackEvent&& aEvent) {
+  switch (aEvent.mType) {
+    case MediaPlaybackEvent::PlaybackEnded:
+      PlaybackEnded();
+      break;
+    case MediaPlaybackEvent::SeekStarted:
+      SeekingStarted();
+      break;
+    case MediaPlaybackEvent::Invalidate:
+      Invalidate();
+      break;
+    case MediaPlaybackEvent::EnterVideoSuspend:
+      GetOwner()->DispatchAsyncEvent(u"mozentervideosuspend"_ns);
+      mTelemetryProbesReporter->OnDecodeSuspended();
+      mIsVideoDecodingSuspended = true;
+      break;
+    case MediaPlaybackEvent::ExitVideoSuspend:
+      GetOwner()->DispatchAsyncEvent(u"mozexitvideosuspend"_ns);
+      mTelemetryProbesReporter->OnDecodeResumed();
+      mIsVideoDecodingSuspended = false;
+      break;
+    case MediaPlaybackEvent::StartVideoSuspendTimer:
+      GetOwner()->DispatchAsyncEvent(u"mozstartvideosuspendtimer"_ns);
+      break;
+    case MediaPlaybackEvent::CancelVideoSuspendTimer:
+      GetOwner()->DispatchAsyncEvent(u"mozcancelvideosuspendtimer"_ns);
+      break;
+    case MediaPlaybackEvent::VideoOnlySeekBegin:
+      GetOwner()->DispatchAsyncEvent(u"mozvideoonlyseekbegin"_ns);
+      break;
+    case MediaPlaybackEvent::VideoOnlySeekCompleted:
+      GetOwner()->DispatchAsyncEvent(u"mozvideoonlyseekcompleted"_ns);
+      break;
+    default:
+      break;
+  }
+}
+
+bool MediaDecoder::IsVideoDecodingSuspended() const {
+  return mIsVideoDecodingSuspended;
+}
+
+void MediaDecoder::OnPlaybackErrorEvent(const MediaResult& aError) {
+  MOZ_ASSERT(NS_IsMainThread());
+#ifndef MOZ_WMF_MEDIA_ENGINE
+  DecodeError(aError);
+#else
+  if (aError != NS_ERROR_DOM_MEDIA_EXTERNAL_ENGINE_NOT_SUPPORTED_ERR &&
+      aError != NS_ERROR_DOM_MEDIA_CDM_PROXY_NOT_SUPPORTED_ERR) {
+    DecodeError(aError);
+    return;
+  }
+
+  // Already in shutting down decoder, no need to create another state machine.
+  if (mPlayState == PLAY_STATE_SHUTDOWN) {
+    return;
+  }
+
+  // External engine can't play the resource or we intentionally disable it, try
+  // to use our own state machine again. Here we will create a new state machine
+  // immediately and asynchrously shutdown the old one because we don't want to
+  // dispatch any task to the old state machine. Therefore, we will disconnect
+  // anything related with the old state machine, create a new state machine and
+  // setup events/mirror/etc, then shutdown the old one and release its
+  // reference once it finishes shutdown.
+  RefPtr<MediaDecoderStateMachineBase> discardStateMachine =
+      mDecoderStateMachine;
+
+  // Disconnect mirror and events first.
+  SetStateMachine(nullptr);
+  DisconnectEvents();
+
+  // Recreate a state machine and shutdown the old one.
+  bool needExternalEngine = false;
+  if (aError == NS_ERROR_DOM_MEDIA_CDM_PROXY_NOT_SUPPORTED_ERR) {
+#  ifdef MOZ_WMF_CDM
+    if (aError.GetCDMProxy()->AsWMFCDMProxy()) {
+      needExternalEngine = true;
+    }
+#  endif
+  }
+  LOG("Need to create a new %s state machine",
+      needExternalEngine ? "external engine" : "normal");
+
+  nsresult rv = CreateAndInitStateMachine(
+      false /* live stream */,
+      !needExternalEngine /* disable external engine */);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    LOG("Failed to create a new state machine!");
+  }
+
+  // Some attributes might have been set on the destroyed state machine, and
+  // won't be reflected on the new MDSM by the state mirroring. We need to
+  // update them manually later, after MDSM finished reading the
+  // metadata because the MDSM might not be ready to perform the operations yet.
+  mPendingStatusUpdateForNewlyCreatedStateMachine = true;
+
+  // If there is ongoing seek performed on the old MDSM, cancel it because we
+  // will perform seeking later again and don't want the old seeking affecting
+  // us.
+  DiscardOngoingSeekIfExists();
+
+  discardStateMachine->BeginShutdown()->Then(
+      AbstractThread::MainThread(), __func__, [discardStateMachine] {});
+#endif
+}
+
+void MediaDecoder::OnDecoderDoctorEvent(DecoderDoctorEvent aEvent) {
+  MOZ_ASSERT(NS_IsMainThread());
+  // OnDecoderDoctorEvent is disconnected at shutdown time.
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+  Document* doc = GetOwner()->GetDocument();
+  if (!doc) {
+    return;
+  }
+  DecoderDoctorDiagnostics diags;
+  diags.StoreEvent(doc, aEvent, __func__);
+}
+
+static const char* NextFrameStatusToStr(
+    MediaDecoderOwner::NextFrameStatus aStatus) {
+  switch (aStatus) {
+    case MediaDecoderOwner::NEXT_FRAME_AVAILABLE:
+      return "NEXT_FRAME_AVAILABLE";
+    case MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE:
+      return "NEXT_FRAME_UNAVAILABLE";
+    case MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE_BUFFERING:
+      return "NEXT_FRAME_UNAVAILABLE_BUFFERING";
+    case MediaDecoderOwner::NEXT_FRAME_UNAVAILABLE_SEEKING:
+      return "NEXT_FRAME_UNAVAILABLE_SEEKING";
+    case MediaDecoderOwner::NEXT_FRAME_UNINITIALIZED:
+      return "NEXT_FRAME_UNINITIALIZED";
+  }
+  return "UNKNOWN";
+}
+
+void MediaDecoder::OnNextFrameStatus(
+    MediaDecoderOwner::NextFrameStatus aStatus) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+  if (mNextFrameStatus != aStatus) {
+    LOG("Changed mNextFrameStatus to %s", NextFrameStatusToStr(aStatus));
+    mNextFrameStatus = aStatus;
+    UpdateReadyState();
+  }
+}
+
+void MediaDecoder::OnTrackInfoUpdated(const VideoInfo& aVideoInfo,
+                                      const AudioInfo& aAudioInfo) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+
+  // Note that we don't check HasVideo() or HasAudio() here, because
+  // those are checks for existing validity. If we always set the values
+  // to what we receive, then we can go from not-video to video, for
+  // example.
+  mInfo->mVideo = aVideoInfo;
+  mInfo->mAudio = aAudioInfo;
+
+  Invalidate();
+
+  EnsureTelemetryReported();
+}
+
+void MediaDecoder::OnSecondaryVideoContainerInstalled(
+    const RefPtr<VideoFrameContainer>& aSecondaryVideoContainer) {
+  MOZ_ASSERT(NS_IsMainThread());
+  GetOwner()->OnSecondaryVideoContainerInstalled(aSecondaryVideoContainer);
+}
+
+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::ShutdownInternal() {
+  MOZ_ASSERT(NS_IsMainThread());
+  mVideoFrameContainer = nullptr;
+  mSecondaryVideoContainer = nullptr;
+  MediaShutdownManager::Instance().Unregister(this);
+}
+
+void MediaDecoder::FinishShutdown() {
+  MOZ_ASSERT(NS_IsMainThread());
+  SetStateMachine(nullptr);
+  ShutdownInternal();
+}
+
+nsresult MediaDecoder::CreateAndInitStateMachine(bool aIsLiveStream,
+                                                 bool aDisableExternalEngine) {
+  MOZ_ASSERT(NS_IsMainThread());
+  SetStateMachine(CreateStateMachine(aDisableExternalEngine));
+
+  NS_ENSURE_TRUE(GetStateMachine(), NS_ERROR_FAILURE);
+  GetStateMachine()->DispatchIsLiveStream(aIsLiveStream);
+
+  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);
+  mOnTrackInfoUpdated = mDecoderStateMachine->OnTrackInfoUpdatedEvent().Connect(
+      mAbstractMainThread, this, &MediaDecoder::OnTrackInfoUpdated);
+  mOnSecondaryVideoContainerInstalled =
+      mDecoderStateMachine->OnSecondaryVideoContainerInstalled().Connect(
+          mAbstractMainThread, this,
+          &MediaDecoder::OnSecondaryVideoContainerInstalled);
+  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::DisconnectEvents() {
+  MOZ_ASSERT(NS_IsMainThread());
+  mTimedMetadataListener.Disconnect();
+  mMetadataLoadedListener.Disconnect();
+  mFirstFrameLoadedListener.Disconnect();
+  mOnPlaybackEvent.Disconnect();
+  mOnPlaybackErrorEvent.Disconnect();
+  mOnDecoderDoctorEvent.Disconnect();
+  mOnMediaNotSeekable.Disconnect();
+  mOnEncrypted.Disconnect();
+  mOnWaitingForKey.Disconnect();
+  mOnDecodeWarning.Disconnect();
+  mOnNextFrameStatus.Disconnect();
+  mOnTrackInfoUpdated.Disconnect();
+  mOnSecondaryVideoContainerInstalled.Disconnect();
+  mOnStoreDecoderBenchmark.Disconnect();
+}
+
+RefPtr<ShutdownPromise> MediaDecoder::ShutdownStateMachine() {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(GetStateMachine());
+  DisconnectEvents();
+  return mDecoderStateMachine->BeginShutdown();
+}
+
+void MediaDecoder::Play() {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  NS_ASSERTION(mDecoderStateMachine != nullptr, "Should have state machine.");
+  LOG("Play");
+  if (mPlaybackRate == 0) {
+    return;
+  }
+
+  if (IsEnded()) {
+    Seek(0, SeekTarget::PrevSyncPoint);
+    return;
+  }
+
+  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());
+
+  MOZ_ASSERT(aTime >= 0.0, "Cannot seek to a negative value.");
+
+  LOG("Seek");
+  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::SetDelaySeekMode(bool aShouldDelaySeek) {
+  MOZ_ASSERT(NS_IsMainThread());
+  LOG("SetDelaySeekMode, shouldDelaySeek=%d", aShouldDelaySeek);
+  if (mShouldDelaySeek == aShouldDelaySeek) {
+    return;
+  }
+  mShouldDelaySeek = aShouldDelaySeek;
+  if (!mShouldDelaySeek && mDelayedSeekTarget) {
+    Seek(mDelayedSeekTarget->GetTime().ToSeconds(),
+         mDelayedSeekTarget->GetType());
+    mDelayedSeekTarget.reset();
+  }
+}
+
+void MediaDecoder::DiscardOngoingSeekIfExists() {
+  MOZ_ASSERT(NS_IsMainThread());
+  mSeekRequest.DisconnectIfExists();
+}
+
+void MediaDecoder::CallSeek(const SeekTarget& aTarget) {
+  MOZ_ASSERT(NS_IsMainThread());
+  if (mShouldDelaySeek) {
+    LOG("Delay seek to %f and store it to delayed seek target",
+        mDelayedSeekTarget->GetTime().ToSeconds());
+    mDelayedSeekTarget = Some(aTarget);
+    return;
+  }
+  DiscardOngoingSeekIfExists();
+  mDecoderStateMachine->InvokeSeek(aTarget)
+      ->Then(mAbstractMainThread, __func__, this, &MediaDecoder::OnSeekResolved,
+             &MediaDecoder::OnSeekRejected)
+      ->Track(mSeekRequest);
+}
+
+double MediaDecoder::GetCurrentTime() {
+  MOZ_ASSERT(NS_IsMainThread());
+  return mLogicalPosition;
+}
+
+void MediaDecoder::OnMetadataUpdate(TimedMetadata&& aMetadata) {
+  MOZ_ASSERT(NS_IsMainThread());
+  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());
+  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 = std::move(aInfo);
+
+  mTelemetryProbesReporter->OnMediaContentChanged(
+      TelemetryProbesReporter::MediaInfoToMediaContent(*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.get(), 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();
+
+#ifdef MOZ_WMF_MEDIA_ENGINE
+  if (mPendingStatusUpdateForNewlyCreatedStateMachine) {
+    mPendingStatusUpdateForNewlyCreatedStateMachine = false;
+    LOG("Set pending statuses if necessary (mLogicallySeeking=%d, "
+        "mLogicalPosition=%f, mPlaybackRate=%f)",
+        mLogicallySeeking.Ref(), mLogicalPosition, mPlaybackRate);
+    if (mLogicalPosition != 0) {
+      Seek(mLogicalPosition, SeekTarget::Accurate);
+    }
+    if (mPlaybackRate != 0 && mPlaybackRate != 1.0) {
+      mDecoderStateMachine->DispatchSetPlaybackRate(mPlaybackRate);
+    }
+  }
+#endif
+
+  EnsureTelemetryReported();
+}
+
+void MediaDecoder::EnsureTelemetryReported() {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  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());
+  return ToPlayStateStr(mPlayState);
+}
+
+void MediaDecoder::FirstFrameLoaded(
+    UniquePtr<MediaInfo> aInfo, MediaDecoderEventVisibility aEventVisibility) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+
+  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 = std::move(aInfo);
+  mTelemetryProbesReporter->OnMediaContentChanged(
+      TelemetryProbesReporter::MediaInfoToMediaContent(*mInfo));
+
+  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());
+  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());
+  GetOwner()->NotifyDecoderPrincipalChanged();
+}
+
+void MediaDecoder::OnSeekResolved() {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+  LOG("MediaDecoder::OnSeekResolved");
+  mLogicallySeeking = false;
+
+  // Ensure logical position is updated after seek.
+  UpdateLogicalPositionInternal();
+  mSeekRequest.Complete();
+
+  GetOwner()->SeekCompleted();
+}
+
+void MediaDecoder::OnSeekRejected() {
+  MOZ_ASSERT(NS_IsMainThread());
+  LOG("MediaDecoder::OnSeekRejected");
+  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.");
+
+  if (mNextState == aState) {
+    mNextState = PLAY_STATE_PAUSED;
+  }
+
+  if (mPlayState != aState) {
+    DDLOG(DDLogCategory::Property, "play_state", ToPlayStateStr(aState));
+    LOG("Play state changes from %s to %s", ToPlayStateStr(mPlayState),
+        ToPlayStateStr(aState));
+    mPlayState = aState;
+    UpdateTelemetryHelperBasedOnPlayState(aState);
+  }
+}
+
+TelemetryProbesReporter::Visibility MediaDecoder::OwnerVisibility() const {
+  return GetOwner()->IsActuallyInvisible() || mForcedHidden
+             ? TelemetryProbesReporter::Visibility::eInvisible
+             : TelemetryProbesReporter::Visibility::eVisible;
+}
+
+void MediaDecoder::UpdateTelemetryHelperBasedOnPlayState(
+    PlayState aState) const {
+  if (aState == PlayState::PLAY_STATE_PLAYING) {
+    mTelemetryProbesReporter->OnPlay(
+        OwnerVisibility(),
+        TelemetryProbesReporter::MediaInfoToMediaContent(*mInfo),
+        mVolume == 0.f);
+  } else if (aState == PlayState::PLAY_STATE_PAUSED ||
+             aState == PlayState::PLAY_STATE_ENDED) {
+    mTelemetryProbesReporter->OnPause(OwnerVisibility());
+  } else if (aState == PLAY_STATE_SHUTDOWN) {
+    mTelemetryProbesReporter->OnShutdown();
+  }
+}
+
+MediaDecoder::PositionUpdate MediaDecoder::GetPositionUpdateReason(
+    double aPrevPos, const TimeUnit& aCurPos) const {
+  MOZ_ASSERT(NS_IsMainThread());
+  // If current position is earlier than previous position and we didn't do
+  // seek, that means we looped back to the start position.
+  const bool notSeeking = !mSeekRequest.Exists();
+  if (mLooping && notSeeking && aCurPos.ToSeconds() < aPrevPos) {
+    return PositionUpdate::eSeamlessLoopingSeeking;
+  }
+  return aPrevPos != aCurPos.ToSeconds() && notSeeking
+             ? PositionUpdate::ePeriodicUpdate
+             : PositionUpdate::eOther;
+}
+
+void MediaDecoder::UpdateLogicalPositionInternal() {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+
+  TimeUnit currentPosition = CurrentPosition();
+  if (mPlayState == PLAY_STATE_ENDED) {
+    currentPosition =
+        std::max(currentPosition, mDuration.match(DurationToTimeUnit()));
+  }
+
+  const PositionUpdate reason =
+      GetPositionUpdateReason(mLogicalPosition, currentPosition);
+  switch (reason) {
+    case PositionUpdate::ePeriodicUpdate:
+      SetLogicalPosition(currentPosition);
+      // This is actually defined in `TimeMarchesOn`, but we do that in decoder.
+      // https://html.spec.whatwg.org/multipage/media.html#playing-the-media-resource:event-media-timeupdate-7
+      // TODO (bug 1688137): should we move it back to `TimeMarchesOn`?
+      GetOwner()->MaybeQueueTimeupdateEvent();
+      break;
+    case PositionUpdate::eSeamlessLoopingSeeking:
+      // When seamless seeking occurs, seeking was performed on the demuxer so
+      // the decoder doesn't know. That means decoder still thinks it's in
+      // playing. Therefore, we have to manually call those methods to notify
+      // the owner about seeking.
+      GetOwner()->SeekStarted();
+      SetLogicalPosition(currentPosition);
+      GetOwner()->SeekCompleted();
+      break;
+    default:
+      MOZ_ASSERT(reason == PositionUpdate::eOther);
+      SetLogicalPosition(currentPosition);
+      break;
+  }
+
+  // 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();
+}
+
+void MediaDecoder::SetLogicalPosition(const TimeUnit& aNewPosition) {
+  MOZ_ASSERT(NS_IsMainThread());
+  if (TimeUnit::FromSeconds(mLogicalPosition) == aNewPosition ||
+      mLogicalPosition == aNewPosition.ToSeconds()) {
+    return;
+  }
+  mLogicalPosition = aNewPosition.ToSeconds();
+  DDLOG(DDLogCategory::Property, "currentTime", mLogicalPosition);
+}
+
+void MediaDecoder::DurationChanged() {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+
+  Variant<TimeUnit, double> oldDuration = mDuration;
+
+  // Use the explicit duration if we have one.
+  // Otherwise use the duration mirrored from MDSM.
+  if (mExplicitDuration.isSome()) {
+    mDuration.emplace<double>(mExplicitDuration.ref());
+  } else if (mStateMachineDuration.Ref().isSome()) {
+    MOZ_ASSERT(mStateMachineDuration.Ref().ref().IsValid());
+    mDuration.emplace<TimeUnit>(mStateMachineDuration.Ref().ref());
+  }
+
+  LOG("New duration: %s",
+      mDuration.match(DurationToTimeUnit()).ToString().get());
+  if (oldDuration.is<TimeUnit>() && oldDuration.as<TimeUnit>().IsValid()) {
+    LOG("Old Duration %s",
+        oldDuration.match(DurationToTimeUnit()).ToString().get());
+  }
+
+  if ((oldDuration.is<double>() || oldDuration.as<TimeUnit>().IsValid())) {
+    if (mDuration.match(DurationToDouble()) ==
+        oldDuration.match(DurationToDouble())) {
+      return;
+    }
+  }
+
+  LOG("Duration changed to %s",
+      mDuration.match(DurationToTimeUnit()).ToString().get());
+
+  // 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 &&
+      (!std::isinf(mDuration.match(DurationToDouble())) ||
+       mExplicitDuration.isSome())) {
+    GetOwner()->DispatchAsyncEvent(u"durationchange"_ns);
+  }
+
+  if (CurrentPosition().ToSeconds() > mDuration.match(DurationToDouble())) {
+    Seek(mDuration.match(DurationToDouble()), SeekTarget::Accurate);
+  }
+}
+
+already_AddRefed<KnowsCompositor> MediaDecoder::GetCompositor() {
+  MediaDecoderOwner* owner = GetOwner();
+  Document* ownerDoc = owner ? owner->GetDocument() : nullptr;
+  WindowRenderer* renderer =
+      ownerDoc ? nsContentUtils::WindowRendererForDocument(ownerDoc) : nullptr;
+  RefPtr<KnowsCompositor> knows =
+      renderer ? renderer->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 aIsOwnerInvisible,
+                                        bool aIsOwnerConnected) {
+  MOZ_ASSERT(NS_IsMainThread());
+  mIsOwnerInvisible = aIsOwnerInvisible;
+  mIsOwnerConnected = aIsOwnerConnected;
+  mTelemetryProbesReporter->OnVisibilityChanged(OwnerVisibility());
+  UpdateVideoDecodeMode();
+}
+
+void MediaDecoder::SetForcedHidden(bool aForcedHidden) {
+  MOZ_ASSERT(NS_IsMainThread());
+  mForcedHidden = aForcedHidden;
+  mTelemetryProbesReporter->OnVisibilityChanged(OwnerVisibility());
+  UpdateVideoDecodeMode();
+}
+
+void MediaDecoder::SetSuspendTaint(bool aTainted) {
+  MOZ_ASSERT(NS_IsMainThread());
+  mHasSuspendTaint = aTainted;
+  UpdateVideoDecodeMode();
+}
+
+void MediaDecoder::UpdateVideoDecodeMode() {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  // 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 mSecondaryVideoContainer is set, never suspend the video decoder.
+  if (mSecondaryVideoContainer.Ref()) {
+    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 a connected tree.
+  if (!mIsOwnerConnected) {
+    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 (mIsOwnerInvisible) {
+    LOG("UpdateVideoDecodeMode(), set Suspend because of invisible element.");
+    mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Suspend);
+  } else {
+    LOG("UpdateVideoDecodeMode(), set Normal because of visible element.");
+    mDecoderStateMachine->SetVideoDecodeMode(VideoDecodeMode::Normal);
+  }
+}
+
+void MediaDecoder::SetIsBackgroundVideoDecodingAllowed(bool aAllowed) {
+  mIsBackgroundVideoDecodingAllowed = aAllowed;
+  UpdateVideoDecodeMode();
+}
+
+bool MediaDecoder::HasSuspendTaint() const {
+  MOZ_ASSERT(NS_IsMainThread());
+  return mHasSuspendTaint;
+}
+
+void MediaDecoder::SetSecondaryVideoContainer(
+    const RefPtr<VideoFrameContainer>& aSecondaryVideoContainer) {
+  MOZ_ASSERT(NS_IsMainThread());
+  if (mSecondaryVideoContainer.Ref() == aSecondaryVideoContainer) {
+    return;
+  }
+  mSecondaryVideoContainer = aSecondaryVideoContainer;
+  UpdateVideoDecodeMode();
+}
+
+bool MediaDecoder::IsMediaSeekable() {
+  MOZ_ASSERT(NS_IsMainThread());
+  NS_ENSURE_TRUE(GetStateMachine(), false);
+  return mMediaSeekable;
+}
+
+namespace {
+
+// Returns zero, either as a TimeUnit or as a double.
+template <typename T>
+constexpr T Zero() {
+  if constexpr (std::is_same<T, double>::value) {
+    return 0.0;
+  } else if constexpr (std::is_same<T, TimeUnit>::value) {
+    return TimeUnit::Zero();
+  }
+  MOZ_RELEASE_ASSERT(false);
+};
+
+// Returns Infinity either as a TimeUnit or as a double.
+template <typename T>
+constexpr T Infinity() {
+  if constexpr (std::is_same<T, double>::value) {
+    return std::numeric_limits<double>::infinity();
+  } else if constexpr (std::is_same<T, TimeUnit>::value) {
+    return TimeUnit::FromInfinity();
+  }
+  MOZ_RELEASE_ASSERT(false);
+};
+
+};  // namespace
+
+// This method can be made to return either TimeIntervals, that is a set of
+// interval that are delimited with TimeUnit, or TimeRanges, that is a set of
+// intervals that are delimited by seconds, as doubles.
+// seekable often depends on the duration of a media, in the very common case
+// where the seekable range is [0, duration]. When playing a MediaSource, the
+// duration of a media element can be set as an arbitrary number, that are
+// 64-bits floating point values.
+// This allows returning an interval that is [0, duration], with duration being
+// a double that cannot be represented as a TimeUnit, either because it has too
+// many significant digits, or because it's outside of the int64_t range that
+// TimeUnit internally uses.
+template <typename IntervalType>
+IntervalType MediaDecoder::GetSeekableImpl() {
+  MOZ_ASSERT(NS_IsMainThread());
+  if (std::isnan(GetDuration())) {
+    // We do not have a duration yet, we can't determine the seekable range.
+    return IntervalType();
+  }
+
+  // Compute [0, duration] -- When dealing with doubles, use ::GetDuration to
+  // avoid rounding the value differently. When dealing with TimeUnit, it's
+  // returned directly.
+  typename IntervalType::InnerType duration;
+  if constexpr (std::is_same<typename IntervalType::InnerType, double>::value) {
+    duration = GetDuration();
+  } else {
+    duration = mDuration.as<TimeUnit>();
+  }
+  typename IntervalType::ElemType zeroToDuration =
+      typename IntervalType::ElemType(
+          Zero<typename IntervalType::InnerType>(),
+          IsInfinite() ? Infinity<typename IntervalType::InnerType>()
+                       : duration);
+  auto buffered = IntervalType(GetBuffered());
+  // Remove any negative range in the interval -- seeking to a non-positive
+  // position isn't possible.
+  auto positiveBuffered = buffered.Intersection(zeroToDuration);
+
+  // 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 IntervalType(positiveBuffered);
+  }
+  if (!IsMediaSeekable()) {
+    return IntervalType();
+  }
+  if (!IsTransportSeekable()) {
+    return IntervalType(positiveBuffered);
+  }
+
+  // Common case: seeking is possible at any point of the stream.
+  return IntervalType(zeroToDuration);
+}
+
+media::TimeIntervals MediaDecoder::GetSeekable() {
+  return GetSeekableImpl<media::TimeIntervals>();
+}
+
+media::TimeRanges MediaDecoder::GetSeekableTimeRanges() {
+  return GetSeekableImpl<media::TimeRanges>();
+}
+
+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());
+
+  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());
+  mPreservesPitch = aPreservesPitch;
+}
+
+void MediaDecoder::SetLooping(bool aLooping) {
+  MOZ_ASSERT(NS_IsMainThread());
+  mLooping = aLooping;
+}
+
+void MediaDecoder::SetStreamName(const nsAutoString& aStreamName) {
+  MOZ_ASSERT(NS_IsMainThread());
+  mStreamName = aStreamName;
+}
+
+void MediaDecoder::ConnectMirrors(MediaDecoderStateMachineBase* 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(
+    MediaDecoderStateMachineBase* aStateMachine) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT_IF(aStateMachine, !mDecoderStateMachine);
+  if (aStateMachine) {
+    mDecoderStateMachine = aStateMachine;
+    LOG("set state machine %p", mDecoderStateMachine.get());
+    ConnectMirrors(aStateMachine);
+    UpdateVideoDecodeMode();
+  } else if (mDecoderStateMachine) {
+    LOG("null out state machine %p", 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();
+  }
+}
+
+void MediaDecoder::Suspend() {
+  MOZ_ASSERT(NS_IsMainThread());
+  GetStateMachine()->InvokeSuspendMediaSink();
+}
+
+void MediaDecoder::Resume() {
+  MOZ_ASSERT(NS_IsMainThread());
+  GetStateMachine()->InvokeResumeMediaSink();
+}
+
+// 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
+MediaDecoderStateMachineBase* MediaDecoder::GetStateMachine() const {
+  MOZ_ASSERT(NS_IsMainThread());
+  return mDecoderStateMachine;
+}
+
+bool MediaDecoder::CanPlayThrough() {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+  return CanPlayThroughImpl();
+}
+
+RefPtr<SetCDMPromise> MediaDecoder::SetCDMProxy(CDMProxy* aProxy) {
+  MOZ_ASSERT(NS_IsMainThread());
+#ifdef MOZ_WMF_MEDIA_ENGINE
+  // Switch to another state machine if the current one doesn't support the
+  // given CDM proxy.
+  if (aProxy && !GetStateMachine()->IsCDMProxySupported(aProxy)) {
+    LOG("CDM proxy not supported! Switch to another state machine.");
+    OnPlaybackErrorEvent(
+        MediaResult{NS_ERROR_DOM_MEDIA_CDM_PROXY_NOT_SUPPORTED_ERR, aProxy});
+  }
+#endif
+  MOZ_DIAGNOSTIC_ASSERT_IF(aProxy,
+                           GetStateMachine()->IsCDMProxySupported(aProxy));
+  return GetStateMachine()->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(
+      AbstractThread::MainThread(), __func__,
+      [handleReport, data](size_t size) {
+        handleReport->Callback(
+            ""_ns, "explicit/media/resources"_ns, KIND_HEAP, UNITS_BYTES,
+            static_cast<int64_t>(size),
+            nsLiteralCString("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 += static_cast<int64_t>(decoder->SizeOfVideoQueue());
+    audio += static_cast<int64_t>(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) {
+  MOZ_ASSERT(NS_IsMainThread());
+  CopyUTF8toUTF16(nsPrintfCString("%p", this), aInfo.mInstance);
+  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;
+  CopyUTF8toUTF16(MakeStringSpan(PlayStateStr()), aInfo.mPlayState);
+  aInfo.mContainerType =
+      NS_ConvertUTF8toUTF16(ContainerType().Type().AsString());
+}
+
+RefPtr<GenericPromise> MediaDecoder::RequestDebugInfo(
+    MediaDecoderDebugInfo& aInfo) {
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+  if (!NS_IsMainThread()) {
+    // Run the request on the main thread if it's not already.
+    return InvokeAsync(AbstractThread::MainThread(), __func__,
+                       [this, self = RefPtr{this}, &aInfo]() {
+                         return RequestDebugInfo(aInfo);
+                       });
+  }
+  GetDebugInfo(aInfo);
+
+  return mReader->RequestDebugInfo(aInfo.mReader)
+      ->Then(AbstractThread::MainThread(), __func__,
+             [this, self = RefPtr{this}, &aInfo] {
+               if (!GetStateMachine()) {
+                 return GenericPromise::CreateAndResolve(true, __func__);
+               }
+               return GetStateMachine()->RequestDebugInfo(aInfo.mStateMachine);
+             });
+}
+
+void MediaDecoder::NotifyAudibleStateChanged() {
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+  GetOwner()->SetAudibleState(mIsAudioDataAudible);
+  mTelemetryProbesReporter->OnAudibleChanged(
+      mIsAudioDataAudible ? TelemetryProbesReporter::AudibleState::eAudible
+                          : TelemetryProbesReporter::AudibleState::eNotAudible);
+}
+
+void MediaDecoder::NotifyVolumeChanged() {
+  MOZ_DIAGNOSTIC_ASSERT(!IsShutdown());
+  mTelemetryProbesReporter->OnMutedChanged(mVolume == 0.f);
+}
+
+double MediaDecoder::GetTotalVideoPlayTimeInSeconds() const {
+  return mTelemetryProbesReporter->GetTotalVideoPlayTimeInSeconds();
+}
+
+double MediaDecoder::GetTotalVideoHDRPlayTimeInSeconds() const {
+  return mTelemetryProbesReporter->GetTotalVideoHDRPlayTimeInSeconds();
+}
+
+double MediaDecoder::GetVisibleVideoPlayTimeInSeconds() const {
+  return mTelemetryProbesReporter->GetVisibleVideoPlayTimeInSeconds();
+}
+
+double MediaDecoder::GetInvisibleVideoPlayTimeInSeconds() const {
+  return mTelemetryProbesReporter->GetInvisibleVideoPlayTimeInSeconds();
+}
+
+double MediaDecoder::GetVideoDecodeSuspendedTimeInSeconds() const {
+  return mTelemetryProbesReporter->GetVideoDecodeSuspendedTimeInSeconds();
+}
+
+double MediaDecoder::GetTotalAudioPlayTimeInSeconds() const {
+  return mTelemetryProbesReporter->GetTotalAudioPlayTimeInSeconds();
+}
+
+double MediaDecoder::GetAudiblePlayTimeInSeconds() const {
+  return mTelemetryProbesReporter->GetAudiblePlayTimeInSeconds();
+}
+
+double MediaDecoder::GetInaudiblePlayTimeInSeconds() const {
+  return mTelemetryProbesReporter->GetInaudiblePlayTimeInSeconds();
+}
+
+double MediaDecoder::GetMutedPlayTimeInSeconds() const {
+  return mTelemetryProbesReporter->GetMutedPlayTimeInSeconds();
+}
+
+MediaMemoryTracker::MediaMemoryTracker() = default;
+
+void MediaMemoryTracker::InitMemoryReporter() {
+  RegisterWeakAsyncMemoryReporter(this);
+}
+
+MediaMemoryTracker::~MediaMemoryTracker() {
+  UnregisterWeakMemoryReporter(this);
+}
+
+}  // namespace mozilla
+
+// avoid redefined macro in unified build
+#undef DUMP
+#undef LOG
+#undef NS_DispatchToMainThread