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-rw-r--r--dom/media/mediasource/SourceBufferList.cpp187
1 files changed, 187 insertions, 0 deletions
diff --git a/dom/media/mediasource/SourceBufferList.cpp b/dom/media/mediasource/SourceBufferList.cpp
new file mode 100644
index 0000000000..9a98f83a1c
--- /dev/null
+++ b/dom/media/mediasource/SourceBufferList.cpp
@@ -0,0 +1,187 @@
+/* -*- 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 "SourceBufferList.h"
+
+#include "AsyncEventRunner.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/SourceBufferListBinding.h"
+#include "mozilla/mozalloc.h"
+#include "nsCOMPtr.h"
+#include "nsIRunnable.h"
+#include "nsString.h"
+#include "nsThreadUtils.h"
+#include "mozilla/Logging.h"
+
+extern mozilla::LogModule* GetMediaSourceLog();
+extern mozilla::LogModule* GetMediaSourceAPILog();
+
+#define MSE_API(arg, ...) \
+ MOZ_LOG(GetMediaSourceAPILog(), mozilla::LogLevel::Debug, \
+ ("SourceBufferList(%p)::%s: " arg, this, __func__, ##__VA_ARGS__))
+#define MSE_DEBUG(arg, ...) \
+ MOZ_LOG(GetMediaSourceLog(), mozilla::LogLevel::Debug, \
+ ("SourceBufferList(%p)::%s: " arg, this, __func__, ##__VA_ARGS__))
+
+struct JSContext;
+class JSObject;
+
+using TimeUnit = mozilla::media::TimeUnit;
+
+namespace mozilla::dom {
+
+SourceBufferList::~SourceBufferList() = default;
+
+SourceBuffer* SourceBufferList::IndexedGetter(uint32_t aIndex, bool& aFound) {
+ MOZ_ASSERT(NS_IsMainThread());
+ aFound = aIndex < mSourceBuffers.Length();
+
+ if (!aFound) {
+ return nullptr;
+ }
+ return mSourceBuffers[aIndex];
+}
+
+uint32_t SourceBufferList::Length() {
+ MOZ_ASSERT(NS_IsMainThread());
+ return mSourceBuffers.Length();
+}
+
+void SourceBufferList::Append(SourceBuffer* aSourceBuffer) {
+ MOZ_ASSERT(NS_IsMainThread());
+ mSourceBuffers.AppendElement(aSourceBuffer);
+ QueueAsyncSimpleEvent("addsourcebuffer");
+}
+
+void SourceBufferList::AppendSimple(SourceBuffer* aSourceBuffer) {
+ MOZ_ASSERT(NS_IsMainThread());
+ mSourceBuffers.AppendElement(aSourceBuffer);
+}
+
+void SourceBufferList::Remove(SourceBuffer* aSourceBuffer) {
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ALWAYS_TRUE(mSourceBuffers.RemoveElement(aSourceBuffer));
+ aSourceBuffer->Detach();
+ QueueAsyncSimpleEvent("removesourcebuffer");
+}
+
+bool SourceBufferList::Contains(SourceBuffer* aSourceBuffer) {
+ MOZ_ASSERT(NS_IsMainThread());
+ return mSourceBuffers.Contains(aSourceBuffer);
+}
+
+void SourceBufferList::Clear() {
+ MOZ_ASSERT(NS_IsMainThread());
+ for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
+ mSourceBuffers[i]->Detach();
+ }
+ mSourceBuffers.Clear();
+ QueueAsyncSimpleEvent("removesourcebuffer");
+}
+
+void SourceBufferList::ClearSimple() {
+ MOZ_ASSERT(NS_IsMainThread());
+ mSourceBuffers.Clear();
+}
+
+bool SourceBufferList::IsEmpty() {
+ MOZ_ASSERT(NS_IsMainThread());
+ return mSourceBuffers.IsEmpty();
+}
+
+bool SourceBufferList::AnyUpdating() {
+ MOZ_ASSERT(NS_IsMainThread());
+ for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
+ if (mSourceBuffers[i]->Updating()) {
+ return true;
+ }
+ }
+ return false;
+}
+
+void SourceBufferList::RangeRemoval(double aStart, double aEnd) {
+ MOZ_ASSERT(NS_IsMainThread());
+ MSE_DEBUG("RangeRemoval(aStart=%f, aEnd=%f)", aStart, aEnd);
+ for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
+ mSourceBuffers[i]->RangeRemoval(aStart, aEnd);
+ }
+}
+
+void SourceBufferList::Ended() {
+ MOZ_ASSERT(NS_IsMainThread());
+ for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
+ mSourceBuffers[i]->Ended();
+ }
+}
+
+TimeUnit SourceBufferList::GetHighestBufferedEndTime() {
+ MOZ_ASSERT(NS_IsMainThread());
+ TimeUnit highestEndTime = TimeUnit::Zero();
+ for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
+ highestEndTime =
+ std::max(highestEndTime, mSourceBuffers[i]->GetBufferedEnd());
+ }
+ return highestEndTime;
+}
+
+void SourceBufferList::DispatchSimpleEvent(const char* aName) {
+ MOZ_ASSERT(NS_IsMainThread());
+ MSE_API("Dispatch event '%s'", aName);
+ DispatchTrustedEvent(NS_ConvertUTF8toUTF16(aName));
+}
+
+void SourceBufferList::QueueAsyncSimpleEvent(const char* aName) {
+ MSE_DEBUG("Queue event '%s'", aName);
+ nsCOMPtr<nsIRunnable> event =
+ new AsyncEventRunner<SourceBufferList>(this, aName);
+ mAbstractMainThread->Dispatch(event.forget());
+}
+
+SourceBufferList::SourceBufferList(MediaSource* aMediaSource)
+ : DOMEventTargetHelper(aMediaSource->GetParentObject()),
+ mMediaSource(aMediaSource),
+ mAbstractMainThread(mMediaSource->AbstractMainThread()) {
+ MOZ_ASSERT(aMediaSource);
+}
+
+MediaSource* SourceBufferList::GetParentObject() const { return mMediaSource; }
+
+TimeUnit SourceBufferList::HighestStartTime() {
+ MOZ_ASSERT(NS_IsMainThread());
+ TimeUnit highestStartTime = TimeUnit::Zero();
+ for (auto& sourceBuffer : mSourceBuffers) {
+ highestStartTime =
+ std::max(sourceBuffer->HighestStartTime(), highestStartTime);
+ }
+ return highestStartTime;
+}
+
+TimeUnit SourceBufferList::HighestEndTime() {
+ MOZ_ASSERT(NS_IsMainThread());
+ TimeUnit highestEndTime = TimeUnit::Zero();
+ for (auto& sourceBuffer : mSourceBuffers) {
+ highestEndTime = std::max(sourceBuffer->HighestEndTime(), highestEndTime);
+ }
+ return highestEndTime;
+}
+
+JSObject* SourceBufferList::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return SourceBufferList_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(SourceBufferList, DOMEventTargetHelper,
+ mMediaSource, mSourceBuffers)
+
+NS_IMPL_ADDREF_INHERITED(SourceBufferList, DOMEventTargetHelper)
+NS_IMPL_RELEASE_INHERITED(SourceBufferList, DOMEventTargetHelper)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SourceBufferList)
+NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
+
+#undef MSE_API
+#undef MSE_DEBUG
+} // namespace mozilla::dom