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-rw-r--r--dom/media/mediasource/SourceBufferList.cpp225
1 files changed, 225 insertions, 0 deletions
diff --git a/dom/media/mediasource/SourceBufferList.cpp b/dom/media/mediasource/SourceBufferList.cpp
new file mode 100644
index 000000000..cf7a7ed9d
--- /dev/null
+++ b/dom/media/mediasource/SourceBufferList.cpp
@@ -0,0 +1,225 @@
+/* -*- 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;
+
+namespace mozilla {
+
+namespace dom {
+
+SourceBufferList::~SourceBufferList()
+{
+}
+
+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();
+ }
+}
+
+double
+SourceBufferList::GetHighestBufferedEndTime()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ double highestEndTime = 0;
+ 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);
+ NS_DispatchToMainThread(event);
+}
+
+SourceBufferList::SourceBufferList(MediaSource* aMediaSource)
+ : DOMEventTargetHelper(aMediaSource->GetParentObject())
+ , mMediaSource(aMediaSource)
+{
+ MOZ_ASSERT(aMediaSource);
+}
+
+MediaSource*
+SourceBufferList::GetParentObject() const
+{
+ return mMediaSource;
+}
+
+double
+SourceBufferList::HighestStartTime()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ double highestStartTime = 0;
+ for (auto& sourceBuffer : mSourceBuffers) {
+ highestStartTime =
+ std::max(sourceBuffer->HighestStartTime(), highestStartTime);
+ }
+ return highestStartTime;
+}
+
+double
+SourceBufferList::HighestEndTime()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ double highestEndTime = 0;
+ for (auto& sourceBuffer : mSourceBuffers) {
+ highestEndTime =
+ std::max(sourceBuffer->HighestEndTime(), highestEndTime);
+ }
+ return highestEndTime;
+}
+
+JSObject*
+SourceBufferList::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+ return SourceBufferListBinding::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_INHERITED(SourceBufferList)
+NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
+
+#undef MSE_API
+#undef MSE_DEBUG
+} // namespace dom
+
+} // namespace mozilla