Bug 1206578 - Group public and private functions respectively for MDSM. r=gsquelart.

This commit is contained in:
JW Wang 2015-09-22 11:03:08 +08:00
Родитель 9f60378309
Коммит aeb8ca2f81
1 изменённых файлов: 85 добавлений и 87 удалений

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@ -155,13 +155,98 @@ public:
// Remove an output stream added with AddOutputStream.
void RemoveOutputStream(MediaStream* aStream);
// Seeks to the decoder to aTarget asynchronously.
nsRefPtr<MediaDecoder::SeekPromise> InvokeSeek(SeekTarget aTarget);
// Set/Unset dormant state.
void DispatchSetDormant(bool aDormant);
void DispatchShutdown();
void DispatchStartBuffering()
{
nsCOMPtr<nsIRunnable> runnable =
NS_NewRunnableMethod(this, &MediaDecoderStateMachine::StartBuffering);
OwnerThread()->Dispatch(runnable.forget());
}
void DispatchNotifyDataArrived(uint32_t aLength, int64_t aOffset, bool aThrottleUpdates)
{
mReader->DispatchNotifyDataArrived(aLength, aOffset, aThrottleUpdates);
}
// Called when the reader may have acquired the hardware resources required
// to begin decoding.
void DispatchWaitingForResourcesStatusChanged();
// Notifies the state machine that should minimize the number of samples
// decoded we preroll, until playback starts. The first time playback starts
// the state machine is free to return to prerolling normally. Note
// "prerolling" in this context refers to when we decode and buffer decoded
// samples in advance of when they're needed for playback.
void DispatchMinimizePrerollUntilPlaybackStarts()
{
nsRefPtr<MediaDecoderStateMachine> self = this;
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction([self] () -> void
{
MOZ_ASSERT(self->OnTaskQueue());
ReentrantMonitorAutoEnter mon(self->mDecoder->GetReentrantMonitor());
self->mMinimizePreroll = true;
// Make sure that this arrives before playback starts, otherwise this won't
// have the intended effect.
MOZ_DIAGNOSTIC_ASSERT(self->mPlayState == MediaDecoder::PLAY_STATE_LOADING);
});
OwnerThread()->Dispatch(r.forget());
}
// Set the media fragment end time. aEndTime is in microseconds.
void DispatchSetFragmentEndTime(int64_t aEndTime)
{
nsRefPtr<MediaDecoderStateMachine> self = this;
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction([self, aEndTime] () {
self->mFragmentEndTime = aEndTime;
});
OwnerThread()->Dispatch(r.forget());
}
// Drop reference to decoder. Only called during shutdown dance.
void BreakCycles() {
MOZ_ASSERT(NS_IsMainThread());
if (mReader) {
mReader->BreakCycles();
}
mResource = nullptr;
mDecoder = nullptr;
}
TimedMetadataEventSource& TimedMetadataEvent() {
return mMetadataManager.TimedMetadataEvent();
}
// Immutable after construction - may be called on any thread.
bool IsRealTime() const { return mRealTime; }
// Functions used by assertions to ensure we're calling things
// on the appropriate threads.
bool OnDecodeTaskQueue() const;
bool OnTaskQueue() const;
size_t SizeOfVideoQueue() {
if (mReader) {
return mReader->SizeOfVideoQueueInBytes();
}
return 0;
}
size_t SizeOfAudioQueue() {
if (mReader) {
return mReader->SizeOfAudioQueueInBytes();
}
return 0;
}
private:
// Initialization that needs to happen on the task queue. This is the first
// task that gets run on the task queue, and is dispatched from the MDSM
@ -178,22 +263,8 @@ private:
void Shutdown();
public:
void DispatchShutdown();
void FinishShutdown();
// Immutable after construction - may be called on any thread.
bool IsRealTime() const { return mRealTime; }
// Functions used by assertions to ensure we're calling things
// on the appropriate threads.
bool OnDecodeTaskQueue() const;
bool OnTaskQueue() const;
// Seeks to the decoder to aTarget asynchronously.
nsRefPtr<MediaDecoder::SeekPromise> InvokeSeek(SeekTarget aTarget);
// Clear the flag indicating that a playback position change event
// is currently queued. This is called from the main thread and must
// be called with the decode monitor held.
@ -206,7 +277,6 @@ public:
// the decode monitor held.
void UpdatePlaybackPosition(int64_t aTime);
private:
// Causes the state machine to switch to buffering state, and to
// immediately stop playback and buffer downloaded data. Called on
// the state machine thread.
@ -216,14 +286,6 @@ private:
MediaStatistics GetStatistics();
public:
void DispatchStartBuffering()
{
nsCOMPtr<nsIRunnable> runnable =
NS_NewRunnableMethod(this, &MediaDecoderStateMachine::StartBuffering);
OwnerThread()->Dispatch(runnable.forget());
}
// This is called on the state machine thread and audio thread.
// The decoder monitor must be obtained before calling this.
bool HasAudio() const {
@ -257,25 +319,6 @@ public:
return mState == DECODER_STATE_SEEKING;
}
size_t SizeOfVideoQueue() {
if (mReader) {
return mReader->SizeOfVideoQueueInBytes();
}
return 0;
}
size_t SizeOfAudioQueue() {
if (mReader) {
return mReader->SizeOfAudioQueueInBytes();
}
return 0;
}
void DispatchNotifyDataArrived(uint32_t aLength, int64_t aOffset, bool aThrottleUpdates)
{
mReader->DispatchNotifyDataArrived(aLength, aOffset, aThrottleUpdates);
}
// Returns the state machine task queue.
TaskQueue* OwnerThread() const { return mTaskQueue; }
@ -311,26 +354,6 @@ public:
void NotReached() { MOZ_DIAGNOSTIC_ASSERT(false); }
// Set the media fragment end time. aEndTime is in microseconds.
void DispatchSetFragmentEndTime(int64_t aEndTime)
{
nsRefPtr<MediaDecoderStateMachine> self = this;
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction([self, aEndTime] () {
self->mFragmentEndTime = aEndTime;
});
OwnerThread()->Dispatch(r.forget());
}
// Drop reference to decoder. Only called during shutdown dance.
void BreakCycles() {
MOZ_ASSERT(NS_IsMainThread());
if (mReader) {
mReader->BreakCycles();
}
mResource = nullptr;
mDecoder = nullptr;
}
// Discard audio/video data that are already played by MSG.
void DiscardStreamData();
bool HaveEnoughDecodedAudio(int64_t aAmpleAudioUSecs);
@ -344,31 +367,6 @@ public:
// be held.
bool IsPlaying() const;
// Called when the reader may have acquired the hardware resources required
// to begin decoding.
void DispatchWaitingForResourcesStatusChanged();
// Notifies the state machine that should minimize the number of samples
// decoded we preroll, until playback starts. The first time playback starts
// the state machine is free to return to prerolling normally. Note
// "prerolling" in this context refers to when we decode and buffer decoded
// samples in advance of when they're needed for playback.
void DispatchMinimizePrerollUntilPlaybackStarts()
{
nsRefPtr<MediaDecoderStateMachine> self = this;
nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction([self] () -> void
{
MOZ_ASSERT(self->OnTaskQueue());
ReentrantMonitorAutoEnter mon(self->mDecoder->GetReentrantMonitor());
self->mMinimizePreroll = true;
// Make sure that this arrives before playback starts, otherwise this won't
// have the intended effect.
MOZ_DIAGNOSTIC_ASSERT(self->mPlayState == MediaDecoder::PLAY_STATE_LOADING);
});
OwnerThread()->Dispatch(r.forget());
}
void OnAudioDecoded(MediaData* aAudioSample);
void OnVideoDecoded(MediaData* aVideoSample);
void OnNotDecoded(MediaData::Type aType, MediaDecoderReader::NotDecodedReason aReason);