forked from mirrors/gecko-dev
9e8043e236
Backed out changeset ce3a15e1b737 (bug 1543128) Backed out changeset cea8c1af70ad (bug 1543128) Backed out changeset aeb23f8f45fb (bug 1543128) Backed out changeset a2e73d143aba (bug 1543128) Backed out changeset 1692fc6491a0 (bug 1543128) Backed out changeset 9fbce4274cfd (bug 1542756) Backed out changeset 20092bcebe6a (bug 1543122) Backed out changeset 1645d577016c (bug 1543122) Backed out changeset 3fce0b7586c1 (bug 1543122) Backed out changeset aab68db4131b (bug 1543122)
552 lines
17 KiB
C++
552 lines
17 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 "mozilla/dom/HTMLVideoElement.h"
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#include "mozilla/dom/HTMLVideoElementBinding.h"
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#include "nsGenericHTMLElement.h"
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#include "nsGkAtoms.h"
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#include "nsSize.h"
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#include "nsError.h"
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#include "nsNodeInfoManager.h"
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#include "plbase64.h"
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#include "prlock.h"
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#include "nsThreadUtils.h"
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#include "ImageContainer.h"
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#include "VideoFrameContainer.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsIXPConnect.h"
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#include "nsITimer.h"
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#include "FrameStatistics.h"
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#include "MediaError.h"
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#include "MediaDecoder.h"
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#include "MediaDecoderStateMachine.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/dom/WakeLock.h"
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#include "mozilla/dom/power/PowerManagerService.h"
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#include "mozilla/dom/Performance.h"
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#include "mozilla/dom/TimeRanges.h"
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#include "mozilla/dom/VideoPlaybackQuality.h"
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#include "mozilla/dom/VideoStreamTrack.h"
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#include "mozilla/Unused.h"
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#include <algorithm>
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#include <limits>
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nsGenericHTMLElement* NS_NewHTMLVideoElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
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mozilla::dom::FromParser aFromParser) {
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mozilla::dom::HTMLVideoElement* element =
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new mozilla::dom::HTMLVideoElement(std::move(aNodeInfo));
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element->Init();
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return element;
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}
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namespace mozilla {
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namespace dom {
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static bool sVideoStatsEnabled;
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static bool sCloneElementVisuallyTesting;
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nsresult HTMLVideoElement::Clone(mozilla::dom::NodeInfo* aNodeInfo,
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nsINode** aResult) const {
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*aResult = nullptr;
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RefPtr<mozilla::dom::NodeInfo> ni(aNodeInfo);
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HTMLVideoElement* it = new HTMLVideoElement(ni.forget());
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it->Init();
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nsCOMPtr<nsINode> kungFuDeathGrip = it;
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nsresult rv = const_cast<HTMLVideoElement*>(this)->CopyInnerTo(it);
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if (NS_SUCCEEDED(rv)) {
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kungFuDeathGrip.swap(*aResult);
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}
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return rv;
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}
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NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(HTMLVideoElement,
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HTMLMediaElement)
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NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLVideoElement)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLVideoElement,
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HTMLMediaElement)
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if (tmp->mVisualCloneTarget) {
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tmp->EndCloningVisually();
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}
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mVisualCloneTarget)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mVisualCloneSource)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLVideoElement,
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HTMLMediaElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mVisualCloneTarget)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mVisualCloneSource)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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HTMLVideoElement::HTMLVideoElement(already_AddRefed<NodeInfo>&& aNodeInfo)
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: HTMLMediaElement(std::move(aNodeInfo)), mIsOrientationLocked(false) {
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DecoderDoctorLogger::LogConstruction(this);
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}
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HTMLVideoElement::~HTMLVideoElement() {
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DecoderDoctorLogger::LogDestruction(this);
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}
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void HTMLVideoElement::UpdateMediaSize(const nsIntSize& aSize) {
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HTMLMediaElement::UpdateMediaSize(aSize);
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// If we have a clone target, we should update its size as well.
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if (mVisualCloneTarget) {
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Maybe<nsIntSize> newSize = Some(aSize);
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mVisualCloneTarget->Invalidate(true, newSize, true);
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}
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}
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nsresult HTMLVideoElement::GetVideoSize(nsIntSize* size) {
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if (!mMediaInfo.HasVideo()) {
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return NS_ERROR_FAILURE;
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}
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if (mDisableVideo) {
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return NS_ERROR_FAILURE;
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}
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switch (mMediaInfo.mVideo.mRotation) {
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case VideoInfo::Rotation::kDegree_90:
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case VideoInfo::Rotation::kDegree_270: {
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size->width = mMediaInfo.mVideo.mDisplay.height;
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size->height = mMediaInfo.mVideo.mDisplay.width;
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break;
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}
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case VideoInfo::Rotation::kDegree_0:
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case VideoInfo::Rotation::kDegree_180:
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default: {
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size->height = mMediaInfo.mVideo.mDisplay.height;
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size->width = mMediaInfo.mVideo.mDisplay.width;
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break;
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}
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}
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return NS_OK;
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}
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void HTMLVideoElement::Invalidate(bool aImageSizeChanged,
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Maybe<nsIntSize>& aNewIntrinsicSize,
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bool aForceInvalidate) {
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HTMLMediaElement::Invalidate(aImageSizeChanged, aNewIntrinsicSize,
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aForceInvalidate);
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if (mVisualCloneTarget) {
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VideoFrameContainer* container =
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mVisualCloneTarget->GetVideoFrameContainer();
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if (container) {
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container->Invalidate();
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}
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}
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}
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bool HTMLVideoElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
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const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult) {
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if (aAttribute == nsGkAtoms::width || aAttribute == nsGkAtoms::height) {
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return aResult.ParseSpecialIntValue(aValue);
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}
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return HTMLMediaElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aMaybeScriptedPrincipal, aResult);
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}
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void HTMLVideoElement::MapAttributesIntoRule(
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const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
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nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aDecls);
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aDecls);
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}
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NS_IMETHODIMP_(bool)
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HTMLVideoElement::IsAttributeMapped(const nsAtom* aAttribute) const {
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static const MappedAttributeEntry attributes[] = {
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{nsGkAtoms::width}, {nsGkAtoms::height}, {nullptr}};
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static const MappedAttributeEntry* const map[] = {attributes,
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sCommonAttributeMap};
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return FindAttributeDependence(aAttribute, map);
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}
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nsMapRuleToAttributesFunc HTMLVideoElement::GetAttributeMappingFunction()
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const {
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return &MapAttributesIntoRule;
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}
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void HTMLVideoElement::UnbindFromTree(bool aDeep, bool aNullParent) {
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if (mVisualCloneSource) {
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mVisualCloneSource->EndCloningVisually();
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} else if (mVisualCloneTarget) {
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EndCloningVisually();
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}
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HTMLMediaElement::UnbindFromTree(aDeep, aNullParent);
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}
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nsresult HTMLVideoElement::SetAcceptHeader(nsIHttpChannel* aChannel) {
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nsAutoCString value(
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"video/webm,"
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"video/ogg,"
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"video/*;q=0.9,"
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"application/ogg;q=0.7,"
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"audio/*;q=0.6,*/*;q=0.5");
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return aChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"), value, false);
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}
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bool HTMLVideoElement::IsInteractiveHTMLContent(bool aIgnoreTabindex) const {
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return HasAttr(kNameSpaceID_None, nsGkAtoms::controls) ||
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HTMLMediaElement::IsInteractiveHTMLContent(aIgnoreTabindex);
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}
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uint32_t HTMLVideoElement::MozParsedFrames() const {
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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if (!IsVideoStatsEnabled()) {
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return 0;
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}
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if (nsContentUtils::ShouldResistFingerprinting(OwnerDoc())) {
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return nsRFPService::GetSpoofedTotalFrames(TotalPlayTime());
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}
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return mDecoder ? mDecoder->GetFrameStatistics().GetParsedFrames() : 0;
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}
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uint32_t HTMLVideoElement::MozDecodedFrames() const {
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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if (!IsVideoStatsEnabled()) {
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return 0;
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}
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if (nsContentUtils::ShouldResistFingerprinting(OwnerDoc())) {
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return nsRFPService::GetSpoofedTotalFrames(TotalPlayTime());
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}
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return mDecoder ? mDecoder->GetFrameStatistics().GetDecodedFrames() : 0;
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}
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uint32_t HTMLVideoElement::MozPresentedFrames() const {
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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if (!IsVideoStatsEnabled()) {
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return 0;
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}
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if (nsContentUtils::ShouldResistFingerprinting(OwnerDoc())) {
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return nsRFPService::GetSpoofedPresentedFrames(TotalPlayTime(),
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VideoWidth(), VideoHeight());
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}
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return mDecoder ? mDecoder->GetFrameStatistics().GetPresentedFrames() : 0;
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}
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uint32_t HTMLVideoElement::MozPaintedFrames() {
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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if (!IsVideoStatsEnabled()) {
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return 0;
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}
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if (nsContentUtils::ShouldResistFingerprinting(OwnerDoc())) {
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return nsRFPService::GetSpoofedPresentedFrames(TotalPlayTime(),
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VideoWidth(), VideoHeight());
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}
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layers::ImageContainer* container = GetImageContainer();
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return container ? container->GetPaintCount() : 0;
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}
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double HTMLVideoElement::MozFrameDelay() {
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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if (!IsVideoStatsEnabled() ||
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nsContentUtils::ShouldResistFingerprinting(OwnerDoc())) {
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return 0.0;
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}
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VideoFrameContainer* container = GetVideoFrameContainer();
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// Hide negative delays. Frame timing tweaks in the compositor (e.g.
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// adding a bias value to prevent multiple dropped/duped frames when
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// frame times are aligned with composition times) may produce apparent
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// negative delay, but we shouldn't report that.
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return container ? std::max(0.0, container->GetFrameDelay()) : 0.0;
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}
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bool HTMLVideoElement::MozHasAudio() const {
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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return HasAudio();
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}
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JSObject* HTMLVideoElement::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return HTMLVideoElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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FrameStatistics* HTMLVideoElement::GetFrameStatistics() {
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return mDecoder ? &(mDecoder->GetFrameStatistics()) : nullptr;
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}
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already_AddRefed<VideoPlaybackQuality>
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HTMLVideoElement::GetVideoPlaybackQuality() {
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DOMHighResTimeStamp creationTime = 0;
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uint32_t totalFrames = 0;
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uint32_t droppedFrames = 0;
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uint32_t corruptedFrames = 0;
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if (IsVideoStatsEnabled()) {
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if (nsPIDOMWindowInner* window = OwnerDoc()->GetInnerWindow()) {
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Performance* perf = window->GetPerformance();
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if (perf) {
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creationTime = perf->Now();
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}
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}
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if (mDecoder) {
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if (nsContentUtils::ShouldResistFingerprinting(OwnerDoc())) {
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totalFrames = nsRFPService::GetSpoofedTotalFrames(TotalPlayTime());
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droppedFrames = nsRFPService::GetSpoofedDroppedFrames(
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TotalPlayTime(), VideoWidth(), VideoHeight());
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corruptedFrames = 0;
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} else {
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FrameStatisticsData stats =
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mDecoder->GetFrameStatistics().GetFrameStatisticsData();
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if (sizeof(totalFrames) >= sizeof(stats.mParsedFrames)) {
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totalFrames = stats.mPresentedFrames + stats.mDroppedFrames;
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droppedFrames = stats.mDroppedFrames;
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} else {
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uint64_t total = stats.mPresentedFrames + stats.mDroppedFrames;
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const auto maxNumber = std::numeric_limits<uint32_t>::max();
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if (total <= maxNumber) {
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totalFrames = uint32_t(total);
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droppedFrames = uint32_t(stats.mDroppedFrames);
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} else {
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// Too big number(s) -> Resize everything to fit in 32 bits.
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double ratio = double(maxNumber) / double(total);
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totalFrames = maxNumber; // === total * ratio
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droppedFrames = uint32_t(double(stats.mDroppedFrames) * ratio);
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}
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}
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corruptedFrames = 0;
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}
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}
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}
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RefPtr<VideoPlaybackQuality> playbackQuality = new VideoPlaybackQuality(
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this, creationTime, totalFrames, droppedFrames, corruptedFrames);
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return playbackQuality.forget();
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}
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void HTMLVideoElement::WakeLockRelease() {
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HTMLMediaElement::WakeLockRelease();
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ReleaseVideoWakeLockIfExists();
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}
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void HTMLVideoElement::UpdateWakeLock() {
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HTMLMediaElement::UpdateWakeLock();
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if (!mPaused) {
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CreateVideoWakeLockIfNeeded();
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} else {
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ReleaseVideoWakeLockIfExists();
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}
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}
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bool HTMLVideoElement::ShouldCreateVideoWakeLock() const {
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// Make sure we only request wake lock for video with audio track, because
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// video without audio track is often used as background image which seems no
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// need to hold a wakelock.
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return HasVideo() && HasAudio();
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}
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void HTMLVideoElement::CreateVideoWakeLockIfNeeded() {
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if (!mScreenWakeLock && ShouldCreateVideoWakeLock()) {
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RefPtr<power::PowerManagerService> pmService =
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power::PowerManagerService::GetInstance();
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NS_ENSURE_TRUE_VOID(pmService);
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ErrorResult rv;
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mScreenWakeLock = pmService->NewWakeLock(NS_LITERAL_STRING("video-playing"),
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OwnerDoc()->GetInnerWindow(), rv);
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}
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}
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void HTMLVideoElement::ReleaseVideoWakeLockIfExists() {
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if (mScreenWakeLock) {
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ErrorResult rv;
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mScreenWakeLock->Unlock(rv);
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rv.SuppressException();
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mScreenWakeLock = nullptr;
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return;
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}
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}
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bool HTMLVideoElement::SetVisualCloneTarget(
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HTMLVideoElement* aVisualCloneTarget) {
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MOZ_DIAGNOSTIC_ASSERT(
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!aVisualCloneTarget || !aVisualCloneTarget->mUnboundFromTree,
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"Can't set the clone target to a disconnected video "
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"element.");
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MOZ_DIAGNOSTIC_ASSERT(!mVisualCloneSource,
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"Can't clone a video element that is already a clone.");
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if (!aVisualCloneTarget ||
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(!aVisualCloneTarget->mUnboundFromTree && !mVisualCloneSource)) {
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mVisualCloneTarget = aVisualCloneTarget;
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return true;
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}
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return false;
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}
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bool HTMLVideoElement::SetVisualCloneSource(
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HTMLVideoElement* aVisualCloneSource) {
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MOZ_DIAGNOSTIC_ASSERT(
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!aVisualCloneSource || !aVisualCloneSource->mUnboundFromTree,
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"Can't set the clone source to a disconnected video "
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"element.");
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MOZ_DIAGNOSTIC_ASSERT(!mVisualCloneTarget,
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"Can't clone a video element that is already a "
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"clone.");
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if (!aVisualCloneSource ||
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(!aVisualCloneSource->mUnboundFromTree && !mVisualCloneTarget)) {
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mVisualCloneSource = aVisualCloneSource;
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return true;
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}
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return false;
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}
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/* static */
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void HTMLVideoElement::InitStatics() {
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Preferences::AddBoolVarCache(&sVideoStatsEnabled,
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"media.video_stats.enabled");
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Preferences::AddBoolVarCache(&sCloneElementVisuallyTesting,
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"media.cloneElementVisually.testing");
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}
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/* static */
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bool HTMLVideoElement::IsVideoStatsEnabled() { return sVideoStatsEnabled; }
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double HTMLVideoElement::TotalPlayTime() const {
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double total = 0.0;
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if (mPlayed) {
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uint32_t timeRangeCount = mPlayed->Length();
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for (uint32_t i = 0; i < timeRangeCount; i++) {
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double begin = mPlayed->Start(i);
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double end = mPlayed->End(i);
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total += end - begin;
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}
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if (mCurrentPlayRangeStart != -1.0) {
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double now = CurrentTime();
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if (mCurrentPlayRangeStart != now) {
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total += now - mCurrentPlayRangeStart;
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}
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}
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}
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return total;
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}
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void HTMLVideoElement::CloneElementVisually(HTMLVideoElement& aTargetVideo,
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ErrorResult& rv) {
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MOZ_ASSERT(!mUnboundFromTree,
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"Can't clone a video that's not bound to a DOM tree.");
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MOZ_ASSERT(!aTargetVideo.mUnboundFromTree,
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"Can't clone to a video that's not bound to a DOM tree.");
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if (mUnboundFromTree || aTargetVideo.mUnboundFromTree) {
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rv.Throw(NS_ERROR_UNEXPECTED);
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return;
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}
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// Do we already have a visual clone target? If so, shut it down.
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if (mVisualCloneTarget) {
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EndCloningVisually();
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}
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// If there's a poster set on the target video, clear it, otherwise
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// it'll display over top of the cloned frames.
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aTargetVideo.UnsetHTMLAttr(nsGkAtoms::poster, rv);
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if (rv.Failed()) {
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return;
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}
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if (!SetVisualCloneTarget(&aTargetVideo)) {
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rv.Throw(NS_ERROR_FAILURE);
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return;
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}
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if (!aTargetVideo.SetVisualCloneSource(this)) {
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mVisualCloneTarget = nullptr;
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rv.Throw(NS_ERROR_FAILURE);
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return;
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}
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aTargetVideo.SetMediaInfo(mMediaInfo);
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if (IsInComposedDoc() && !sCloneElementVisuallyTesting) {
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NotifyUAWidgetSetupOrChange();
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}
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MaybeBeginCloningVisually();
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}
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void HTMLVideoElement::StopCloningElementVisually() {
|
|
if (mVisualCloneTarget) {
|
|
EndCloningVisually();
|
|
}
|
|
}
|
|
|
|
void HTMLVideoElement::MaybeBeginCloningVisually() {
|
|
if (!mVisualCloneTarget) {
|
|
return;
|
|
}
|
|
|
|
if (mDecoder) {
|
|
MediaDecoderStateMachine* mdsm = mDecoder->GetStateMachine();
|
|
VideoFrameContainer* container =
|
|
mVisualCloneTarget->GetVideoFrameContainer();
|
|
if (mdsm && container) {
|
|
mdsm->SetSecondaryVideoContainer(container);
|
|
mDecoder->SetCloningVisually(true);
|
|
}
|
|
} else if (mSrcStream) {
|
|
VideoFrameContainer* container =
|
|
mVisualCloneTarget->GetVideoFrameContainer();
|
|
if (container && mSelectedVideoStreamTrack) {
|
|
mSelectedVideoStreamTrack->AddVideoOutput(container);
|
|
}
|
|
}
|
|
}
|
|
|
|
void HTMLVideoElement::EndCloningVisually() {
|
|
MOZ_ASSERT(mVisualCloneTarget);
|
|
|
|
if (mDecoder) {
|
|
MediaDecoderStateMachine* mdsm = mDecoder->GetStateMachine();
|
|
if (mdsm) {
|
|
mdsm->SetSecondaryVideoContainer(nullptr);
|
|
mDecoder->SetCloningVisually(false);
|
|
}
|
|
} else if (mSrcStream) {
|
|
VideoFrameContainer* container =
|
|
mVisualCloneTarget->GetVideoFrameContainer();
|
|
if (container && mVisualCloneTarget->mSelectedVideoStreamTrack) {
|
|
mVisualCloneTarget->mSelectedVideoStreamTrack->RemoveVideoOutput(
|
|
container);
|
|
}
|
|
}
|
|
|
|
Unused << mVisualCloneTarget->SetVisualCloneSource(nullptr);
|
|
Unused << SetVisualCloneTarget(nullptr);
|
|
|
|
if (IsInComposedDoc() && !sCloneElementVisuallyTesting) {
|
|
NotifyUAWidgetSetupOrChange();
|
|
}
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|