summaryrefslogtreecommitdiffstats
path: root/dom/html/HTMLVideoElement.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'dom/html/HTMLVideoElement.cpp')
-rw-r--r--dom/html/HTMLVideoElement.cpp329
1 files changed, 329 insertions, 0 deletions
diff --git a/dom/html/HTMLVideoElement.cpp b/dom/html/HTMLVideoElement.cpp
new file mode 100644
index 000000000..bddec24c9
--- /dev/null
+++ b/dom/html/HTMLVideoElement.cpp
@@ -0,0 +1,329 @@
+/* -*- 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 "nsIDOMHTMLSourceElement.h"
+#include "mozilla/dom/HTMLVideoElement.h"
+#include "mozilla/dom/HTMLVideoElementBinding.h"
+#include "nsGenericHTMLElement.h"
+#include "nsGkAtoms.h"
+#include "nsSize.h"
+#include "nsError.h"
+#include "nsNodeInfoManager.h"
+#include "plbase64.h"
+#include "nsXPCOMStrings.h"
+#include "prlock.h"
+#include "nsThreadUtils.h"
+#include "ImageContainer.h"
+#include "VideoFrameContainer.h"
+
+#include "nsIScriptSecurityManager.h"
+#include "nsIXPConnect.h"
+
+#include "nsITimer.h"
+
+#include "MediaError.h"
+#include "MediaDecoder.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/dom/WakeLock.h"
+#include "mozilla/dom/power/PowerManagerService.h"
+#include "mozilla/dom/Performance.h"
+#include "mozilla/dom/VideoPlaybackQuality.h"
+
+#include <algorithm>
+#include <limits>
+
+NS_IMPL_NS_NEW_HTML_ELEMENT(Video)
+
+namespace mozilla {
+namespace dom {
+
+static bool sVideoStatsEnabled;
+
+NS_IMPL_ELEMENT_CLONE(HTMLVideoElement)
+
+HTMLVideoElement::HTMLVideoElement(already_AddRefed<NodeInfo>& aNodeInfo)
+ : HTMLMediaElement(aNodeInfo)
+ , mUseScreenWakeLock(true)
+{
+}
+
+HTMLVideoElement::~HTMLVideoElement()
+{
+}
+
+nsresult HTMLVideoElement::GetVideoSize(nsIntSize* size)
+{
+ if (!mMediaInfo.HasVideo()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (mDisableVideo) {
+ return NS_ERROR_FAILURE;
+ }
+
+ switch (mMediaInfo.mVideo.mRotation) {
+ case VideoInfo::Rotation::kDegree_90:
+ case VideoInfo::Rotation::kDegree_270: {
+ size->width = mMediaInfo.mVideo.mDisplay.height;
+ size->height = mMediaInfo.mVideo.mDisplay.width;
+ break;
+ }
+ case VideoInfo::Rotation::kDegree_0:
+ case VideoInfo::Rotation::kDegree_180:
+ default: {
+ size->height = mMediaInfo.mVideo.mDisplay.height;
+ size->width = mMediaInfo.mVideo.mDisplay.width;
+ break;
+ }
+ }
+ return NS_OK;
+}
+
+bool
+HTMLVideoElement::ParseAttribute(int32_t aNamespaceID,
+ nsIAtom* aAttribute,
+ const nsAString& aValue,
+ nsAttrValue& aResult)
+{
+ if (aAttribute == nsGkAtoms::width || aAttribute == nsGkAtoms::height) {
+ return aResult.ParseSpecialIntValue(aValue);
+ }
+
+ return HTMLMediaElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
+ aResult);
+}
+
+void
+HTMLVideoElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
+ nsRuleData* aData)
+{
+ nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aData);
+ nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
+}
+
+NS_IMETHODIMP_(bool)
+HTMLVideoElement::IsAttributeMapped(const nsIAtom* aAttribute) const
+{
+ static const MappedAttributeEntry attributes[] = {
+ { &nsGkAtoms::width },
+ { &nsGkAtoms::height },
+ { nullptr }
+ };
+
+ static const MappedAttributeEntry* const map[] = {
+ attributes,
+ sCommonAttributeMap
+ };
+
+ return FindAttributeDependence(aAttribute, map);
+}
+
+nsMapRuleToAttributesFunc
+HTMLVideoElement::GetAttributeMappingFunction() const
+{
+ return &MapAttributesIntoRule;
+}
+
+nsresult HTMLVideoElement::SetAcceptHeader(nsIHttpChannel* aChannel)
+{
+ nsAutoCString value(
+ "video/webm,"
+ "video/ogg,"
+ "video/*;q=0.9,"
+ "application/ogg;q=0.7,"
+ "audio/*;q=0.6,*/*;q=0.5");
+
+ return aChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"),
+ value,
+ false);
+}
+
+bool
+HTMLVideoElement::IsInteractiveHTMLContent(bool aIgnoreTabindex) const
+{
+ return HasAttr(kNameSpaceID_None, nsGkAtoms::controls) ||
+ HTMLMediaElement::IsInteractiveHTMLContent(aIgnoreTabindex);
+}
+
+uint32_t HTMLVideoElement::MozParsedFrames() const
+{
+ MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+ if (!sVideoStatsEnabled) {
+ return 0;
+ }
+ return mDecoder ? mDecoder->GetFrameStatistics().GetParsedFrames() : 0;
+}
+
+uint32_t HTMLVideoElement::MozDecodedFrames() const
+{
+ MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+ if (!sVideoStatsEnabled) {
+ return 0;
+ }
+ return mDecoder ? mDecoder->GetFrameStatistics().GetDecodedFrames() : 0;
+}
+
+uint32_t HTMLVideoElement::MozPresentedFrames() const
+{
+ MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+ if (!sVideoStatsEnabled) {
+ return 0;
+ }
+ return mDecoder ? mDecoder->GetFrameStatistics().GetPresentedFrames() : 0;
+}
+
+uint32_t HTMLVideoElement::MozPaintedFrames()
+{
+ MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+ if (!sVideoStatsEnabled) {
+ return 0;
+ }
+ layers::ImageContainer* container = GetImageContainer();
+ return container ? container->GetPaintCount() : 0;
+}
+
+double HTMLVideoElement::MozFrameDelay()
+{
+ MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+ VideoFrameContainer* container = GetVideoFrameContainer();
+ // Hide negative delays. Frame timing tweaks in the compositor (e.g.
+ // adding a bias value to prevent multiple dropped/duped frames when
+ // frame times are aligned with composition times) may produce apparent
+ // negative delay, but we shouldn't report that.
+ return container ? std::max(0.0, container->GetFrameDelay()) : 0.0;
+}
+
+bool HTMLVideoElement::MozHasAudio() const
+{
+ MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+ return HasAudio();
+}
+
+bool HTMLVideoElement::MozUseScreenWakeLock() const
+{
+ MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+ return mUseScreenWakeLock;
+}
+
+void HTMLVideoElement::SetMozUseScreenWakeLock(bool aValue)
+{
+ MOZ_ASSERT(NS_IsMainThread(), "Should be on main thread.");
+ mUseScreenWakeLock = aValue;
+ UpdateScreenWakeLock();
+}
+
+JSObject*
+HTMLVideoElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+ return HTMLVideoElementBinding::Wrap(aCx, this, aGivenProto);
+}
+
+void
+HTMLVideoElement::NotifyOwnerDocumentActivityChanged()
+{
+ HTMLMediaElement::NotifyOwnerDocumentActivityChanged();
+ UpdateScreenWakeLock();
+}
+
+FrameStatistics*
+HTMLVideoElement::GetFrameStatistics()
+{
+ return mDecoder ? &(mDecoder->GetFrameStatistics()) : nullptr;
+}
+
+already_AddRefed<VideoPlaybackQuality>
+HTMLVideoElement::GetVideoPlaybackQuality()
+{
+ DOMHighResTimeStamp creationTime = 0;
+ uint32_t totalFrames = 0;
+ uint32_t droppedFrames = 0;
+ uint32_t corruptedFrames = 0;
+
+ if (sVideoStatsEnabled) {
+ if (nsPIDOMWindowInner* window = OwnerDoc()->GetInnerWindow()) {
+ Performance* perf = window->GetPerformance();
+ if (perf) {
+ creationTime = perf->Now();
+ }
+ }
+
+ if (mDecoder) {
+ FrameStatisticsData stats =
+ mDecoder->GetFrameStatistics().GetFrameStatisticsData();
+ if (sizeof(totalFrames) >= sizeof(stats.mParsedFrames)) {
+ totalFrames = stats.mPresentedFrames + stats.mDroppedFrames;
+ droppedFrames = stats.mDroppedFrames;
+ } else {
+ uint64_t total = stats.mPresentedFrames + stats.mDroppedFrames;
+ const auto maxNumber = std::numeric_limits<uint32_t>::max();
+ if (total <= maxNumber) {
+ totalFrames = uint32_t(total);
+ droppedFrames = uint32_t(stats.mDroppedFrames);
+ } else {
+ // Too big number(s) -> Resize everything to fit in 32 bits.
+ double ratio = double(maxNumber) / double(total);
+ totalFrames = maxNumber; // === total * ratio
+ droppedFrames = uint32_t(double(stats.mDroppedFrames) * ratio);
+ }
+ }
+ corruptedFrames = 0;
+ }
+ }
+
+ RefPtr<VideoPlaybackQuality> playbackQuality =
+ new VideoPlaybackQuality(this, creationTime, totalFrames, droppedFrames,
+ corruptedFrames);
+ return playbackQuality.forget();
+}
+
+void
+HTMLVideoElement::WakeLockCreate()
+{
+ HTMLMediaElement::WakeLockCreate();
+ UpdateScreenWakeLock();
+}
+
+void
+HTMLVideoElement::WakeLockRelease()
+{
+ UpdateScreenWakeLock();
+ HTMLMediaElement::WakeLockRelease();
+}
+
+void
+HTMLVideoElement::UpdateScreenWakeLock()
+{
+ bool hidden = OwnerDoc()->Hidden();
+
+ if (mScreenWakeLock && (mPaused || hidden || !mUseScreenWakeLock)) {
+ ErrorResult rv;
+ mScreenWakeLock->Unlock(rv);
+ rv.SuppressException();
+ mScreenWakeLock = nullptr;
+ return;
+ }
+
+ if (!mScreenWakeLock && !mPaused && !hidden &&
+ mUseScreenWakeLock && HasVideo()) {
+ RefPtr<power::PowerManagerService> pmService =
+ power::PowerManagerService::GetInstance();
+ NS_ENSURE_TRUE_VOID(pmService);
+
+ ErrorResult rv;
+ mScreenWakeLock = pmService->NewWakeLock(NS_LITERAL_STRING("screen"),
+ OwnerDoc()->GetInnerWindow(),
+ rv);
+ }
+}
+
+void
+HTMLVideoElement::Init()
+{
+ Preferences::AddBoolVarCache(&sVideoStatsEnabled, "media.video_stats.enabled");
+}
+
+} // namespace dom
+} // namespace mozilla