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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
329
dom/html/HTMLVideoElement.cpp
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329
dom/html/HTMLVideoElement.cpp
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/* -*- 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 "nsIDOMHTMLSourceElement.h"
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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 "nsXPCOMStrings.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 "MediaError.h"
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#include "MediaDecoder.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/VideoPlaybackQuality.h"
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#include <algorithm>
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#include <limits>
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NS_IMPL_NS_NEW_HTML_ELEMENT(Video)
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namespace mozilla {
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namespace dom {
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static bool sVideoStatsEnabled;
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NS_IMPL_ELEMENT_CLONE(HTMLVideoElement)
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HTMLVideoElement::HTMLVideoElement(already_AddRefed<NodeInfo>& aNodeInfo)
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: HTMLMediaElement(aNodeInfo)
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, mUseScreenWakeLock(true)
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{
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}
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HTMLVideoElement::~HTMLVideoElement()
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{
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}
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nsresult HTMLVideoElement::GetVideoSize(nsIntSize* size)
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{
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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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bool
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HTMLVideoElement::ParseAttribute(int32_t aNamespaceID,
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nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult)
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{
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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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aResult);
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}
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void
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HTMLVideoElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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nsRuleData* aData)
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{
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nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aData);
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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NS_IMETHODIMP_(bool)
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HTMLVideoElement::IsAttributeMapped(const nsIAtom* aAttribute) const
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{
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static const MappedAttributeEntry attributes[] = {
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{ &nsGkAtoms::width },
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{ &nsGkAtoms::height },
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{ nullptr }
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};
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static const MappedAttributeEntry* const map[] = {
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attributes,
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sCommonAttributeMap
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};
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return FindAttributeDependence(aAttribute, map);
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}
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nsMapRuleToAttributesFunc
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HTMLVideoElement::GetAttributeMappingFunction() const
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{
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return &MapAttributesIntoRule;
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}
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nsresult HTMLVideoElement::SetAcceptHeader(nsIHttpChannel* aChannel)
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{
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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"),
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value,
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false);
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}
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bool
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HTMLVideoElement::IsInteractiveHTMLContent(bool aIgnoreTabindex) const
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{
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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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{
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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if (!sVideoStatsEnabled) {
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return 0;
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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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{
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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if (!sVideoStatsEnabled) {
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return 0;
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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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{
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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if (!sVideoStatsEnabled) {
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return 0;
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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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{
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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if (!sVideoStatsEnabled) {
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return 0;
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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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{
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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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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{
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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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bool HTMLVideoElement::MozUseScreenWakeLock() const
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{
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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return mUseScreenWakeLock;
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}
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void HTMLVideoElement::SetMozUseScreenWakeLock(bool aValue)
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{
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MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
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mUseScreenWakeLock = aValue;
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UpdateScreenWakeLock();
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}
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JSObject*
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HTMLVideoElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLVideoElementBinding::Wrap(aCx, this, aGivenProto);
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}
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void
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HTMLVideoElement::NotifyOwnerDocumentActivityChanged()
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{
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HTMLMediaElement::NotifyOwnerDocumentActivityChanged();
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UpdateScreenWakeLock();
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}
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FrameStatistics*
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HTMLVideoElement::GetFrameStatistics()
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{
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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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{
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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 (sVideoStatsEnabled) {
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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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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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RefPtr<VideoPlaybackQuality> playbackQuality =
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new VideoPlaybackQuality(this, creationTime, totalFrames, droppedFrames,
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corruptedFrames);
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return playbackQuality.forget();
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}
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void
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HTMLVideoElement::WakeLockCreate()
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{
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HTMLMediaElement::WakeLockCreate();
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UpdateScreenWakeLock();
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}
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void
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HTMLVideoElement::WakeLockRelease()
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{
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UpdateScreenWakeLock();
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HTMLMediaElement::WakeLockRelease();
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}
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void
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HTMLVideoElement::UpdateScreenWakeLock()
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{
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bool hidden = OwnerDoc()->Hidden();
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if (mScreenWakeLock && (mPaused || hidden || !mUseScreenWakeLock)) {
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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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if (!mScreenWakeLock && !mPaused && !hidden &&
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mUseScreenWakeLock && HasVideo()) {
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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("screen"),
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OwnerDoc()->GetInnerWindow(),
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rv);
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}
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}
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void
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HTMLVideoElement::Init()
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{
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Preferences::AddBoolVarCache(&sVideoStatsEnabled, "media.video_stats.enabled");
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}
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} // namespace dom
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} // namespace mozilla
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