1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/mediasource/SourceBufferList.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,178 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "SourceBufferList.h"
1.11 +
1.12 +#include "AsyncEventRunner.h"
1.13 +#include "mozilla/ErrorResult.h"
1.14 +#include "mozilla/dom/SourceBufferListBinding.h"
1.15 +#include "mozilla/mozalloc.h"
1.16 +#include "nsCOMPtr.h"
1.17 +#include "nsIEventTarget.h"
1.18 +#include "nsIRunnable.h"
1.19 +#include "nsStringGlue.h"
1.20 +#include "nsThreadUtils.h"
1.21 +#include "prlog.h"
1.22 +
1.23 +struct JSContext;
1.24 +class JSObject;
1.25 +
1.26 +#ifdef PR_LOGGING
1.27 +extern PRLogModuleInfo* gMediaSourceLog;
1.28 +#define MSE_DEBUG(...) PR_LOG(gMediaSourceLog, PR_LOG_DEBUG, (__VA_ARGS__))
1.29 +#else
1.30 +#define MSE_DEBUG(...)
1.31 +#endif
1.32 +
1.33 +namespace mozilla {
1.34 +
1.35 +namespace dom {
1.36 +
1.37 +SourceBuffer*
1.38 +SourceBufferList::IndexedGetter(uint32_t aIndex, bool& aFound)
1.39 +{
1.40 + aFound = aIndex < mSourceBuffers.Length();
1.41 + return aFound ? mSourceBuffers[aIndex] : nullptr;
1.42 +}
1.43 +
1.44 +uint32_t
1.45 +SourceBufferList::Length()
1.46 +{
1.47 + return mSourceBuffers.Length();
1.48 +}
1.49 +
1.50 +void
1.51 +SourceBufferList::Append(SourceBuffer* aSourceBuffer)
1.52 +{
1.53 + mSourceBuffers.AppendElement(aSourceBuffer);
1.54 + QueueAsyncSimpleEvent("addsourcebuffer");
1.55 +}
1.56 +
1.57 +void
1.58 +SourceBufferList::Remove(SourceBuffer* aSourceBuffer)
1.59 +{
1.60 + MOZ_ALWAYS_TRUE(mSourceBuffers.RemoveElement(aSourceBuffer));
1.61 + aSourceBuffer->Detach();
1.62 + QueueAsyncSimpleEvent("removesourcebuffer");
1.63 +}
1.64 +
1.65 +bool
1.66 +SourceBufferList::Contains(SourceBuffer* aSourceBuffer)
1.67 +{
1.68 + return mSourceBuffers.Contains(aSourceBuffer);
1.69 +}
1.70 +
1.71 +void
1.72 +SourceBufferList::Clear()
1.73 +{
1.74 + for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
1.75 + mSourceBuffers[i]->Detach();
1.76 + }
1.77 + mSourceBuffers.Clear();
1.78 + QueueAsyncSimpleEvent("removesourcebuffer");
1.79 +}
1.80 +
1.81 +bool
1.82 +SourceBufferList::IsEmpty()
1.83 +{
1.84 + return mSourceBuffers.IsEmpty();
1.85 +}
1.86 +
1.87 +bool
1.88 +SourceBufferList::AnyUpdating()
1.89 +{
1.90 + for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
1.91 + if (mSourceBuffers[i]->Updating()) {
1.92 + return true;
1.93 + }
1.94 + }
1.95 + return false;
1.96 +}
1.97 +
1.98 +void
1.99 +SourceBufferList::Remove(double aStart, double aEnd, ErrorResult& aRv)
1.100 +{
1.101 + for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
1.102 + mSourceBuffers[i]->Remove(aStart, aEnd, aRv);
1.103 + if (aRv.Failed()) {
1.104 + return;
1.105 + }
1.106 + }
1.107 +}
1.108 +
1.109 +void
1.110 +SourceBufferList::Evict(double aStart, double aEnd)
1.111 +{
1.112 + for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
1.113 + mSourceBuffers[i]->Evict(aStart, aEnd);
1.114 + }
1.115 +}
1.116 +
1.117 +bool
1.118 +SourceBufferList::AllContainsTime(double aTime)
1.119 +{
1.120 + for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
1.121 + if (!mSourceBuffers[i]->ContainsTime(aTime)) {
1.122 + return false;
1.123 + }
1.124 + }
1.125 + return mSourceBuffers.Length() > 0;
1.126 +}
1.127 +
1.128 +void
1.129 +SourceBufferList::Ended()
1.130 +{
1.131 + for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
1.132 + mSourceBuffers[i]->Ended();
1.133 + }
1.134 +}
1.135 +
1.136 +void
1.137 +SourceBufferList::DispatchSimpleEvent(const char* aName)
1.138 +{
1.139 + MSE_DEBUG("%p Dispatching event %s to SourceBufferList", this, aName);
1.140 + DispatchTrustedEvent(NS_ConvertUTF8toUTF16(aName));
1.141 +}
1.142 +
1.143 +void
1.144 +SourceBufferList::QueueAsyncSimpleEvent(const char* aName)
1.145 +{
1.146 + MSE_DEBUG("%p Queuing event %s to SourceBufferList", this, aName);
1.147 + nsCOMPtr<nsIRunnable> event = new AsyncEventRunner<SourceBufferList>(this, aName);
1.148 + NS_DispatchToMainThread(event, NS_DISPATCH_NORMAL);
1.149 +}
1.150 +
1.151 +SourceBufferList::SourceBufferList(MediaSource* aMediaSource)
1.152 + : DOMEventTargetHelper(aMediaSource->GetParentObject())
1.153 + , mMediaSource(aMediaSource)
1.154 +{
1.155 + MOZ_ASSERT(aMediaSource);
1.156 +}
1.157 +
1.158 +MediaSource*
1.159 +SourceBufferList::GetParentObject() const
1.160 +{
1.161 + return mMediaSource;
1.162 +}
1.163 +
1.164 +JSObject*
1.165 +SourceBufferList::WrapObject(JSContext* aCx)
1.166 +{
1.167 + return SourceBufferListBinding::Wrap(aCx, this);
1.168 +}
1.169 +
1.170 +NS_IMPL_CYCLE_COLLECTION_INHERITED(SourceBufferList, DOMEventTargetHelper,
1.171 + mMediaSource, mSourceBuffers)
1.172 +
1.173 +NS_IMPL_ADDREF_INHERITED(SourceBufferList, DOMEventTargetHelper)
1.174 +NS_IMPL_RELEASE_INHERITED(SourceBufferList, DOMEventTargetHelper)
1.175 +
1.176 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(SourceBufferList)
1.177 +NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
1.178 +
1.179 +} // namespace dom
1.180 +
1.181 +} // namespace mozilla
