gecko/dom/media/mediasource/SourceBufferList.cpp

210 lines
5.0 KiB
C++

/* -*- 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 "prlog.h"
struct JSContext;
class JSObject;
#ifdef PR_LOGGING
extern PRLogModuleInfo* GetMediaSourceLog();
extern PRLogModuleInfo* GetMediaSourceAPILog();
#define MSE_DEBUG(...) PR_LOG(GetMediaSourceLog(), PR_LOG_DEBUG, (__VA_ARGS__))
#define MSE_API(...) PR_LOG(GetMediaSourceAPILog(), PR_LOG_DEBUG, (__VA_ARGS__))
#else
#define MSE_DEBUG(...)
#define MSE_API(...)
#endif
namespace mozilla {
namespace dom {
SourceBufferList::~SourceBufferList()
{
}
SourceBuffer*
SourceBufferList::IndexedGetter(uint32_t aIndex, bool& aFound)
{
MOZ_ASSERT(NS_IsMainThread());
aFound = aIndex < mSourceBuffers.Length();
return aFound ? mSourceBuffers[aIndex] : nullptr;
}
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::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");
}
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::Remove(double aStart, double aEnd, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MSE_DEBUG("SourceBufferList(%p)::Remove(aStart=%f, aEnd=%f", this, aStart, aEnd);
for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
mSourceBuffers[i]->Remove(aStart, aEnd, aRv);
if (aRv.Failed()) {
return;
}
}
}
void
SourceBufferList::Evict(double aStart, double aEnd)
{
MOZ_ASSERT(NS_IsMainThread());
MSE_DEBUG("SourceBufferList(%p)::Evict(aStart=%f, aEnd=%f)", this, aStart, aEnd);
for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
mSourceBuffers[i]->Evict(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("SourceBufferList(%p) Dispatch event '%s'", this, aName);
DispatchTrustedEvent(NS_ConvertUTF8toUTF16(aName));
}
void
SourceBufferList::QueueAsyncSimpleEvent(const char* aName)
{
MSE_DEBUG("SourceBufferList(%p) Queuing event '%s'", this, aName);
nsCOMPtr<nsIRunnable> event = new AsyncEventRunner<SourceBufferList>(this, aName);
NS_DispatchToMainThread(event);
}
#if defined(DEBUG)
void
SourceBufferList::Dump(const char* aPath)
{
for (uint32_t i = 0; i < mSourceBuffers.Length(); ++i) {
mSourceBuffers[i]->Dump(aPath);
}
}
#endif
SourceBufferList::SourceBufferList(MediaSource* aMediaSource)
: DOMEventTargetHelper(aMediaSource->GetParentObject())
, mMediaSource(aMediaSource)
{
MOZ_ASSERT(aMediaSource);
}
MediaSource*
SourceBufferList::GetParentObject() const
{
return mMediaSource;
}
JSObject*
SourceBufferList::WrapObject(JSContext* aCx)
{
return SourceBufferListBinding::Wrap(aCx, this);
}
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)
} // namespace dom
} // namespace mozilla