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/* -*- 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
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