From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/media/mediasource/SourceBufferList.cpp | 225 +++++++++++++++++++++++++++++ 1 file changed, 225 insertions(+) create mode 100644 dom/media/mediasource/SourceBufferList.cpp (limited to 'dom/media/mediasource/SourceBufferList.cpp') 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 event = new AsyncEventRunner(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 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 -- cgit v1.2.3