gecko/content/media/AudioAvailableEventManager.h
Chris Pearce 216fe28466 Bug 811381 - Remove ns prefix from media code. r=roc
--HG--
rename : content/media/nsAudioAvailableEventManager.cpp => content/media/AudioAvailableEventManager.cpp
rename : content/media/nsAudioAvailableEventManager.h => content/media/AudioAvailableEventManager.h
rename : content/media/nsAudioStream.cpp => content/media/AudioStream.cpp
rename : content/media/nsAudioStream.h => content/media/AudioStream.h
rename : content/media/nsMediaCache.cpp => content/media/MediaCache.cpp
rename : content/media/nsMediaCache.h => content/media/MediaCache.h
rename : content/media/nsBuiltinDecoder.cpp => content/media/MediaDecoder.cpp
rename : content/media/nsBuiltinDecoder.h => content/media/MediaDecoder.h
rename : content/media/nsBuiltinDecoderReader.cpp => content/media/MediaDecoderReader.cpp
rename : content/media/nsBuiltinDecoderReader.h => content/media/MediaDecoderReader.h
rename : content/media/nsBuiltinDecoderStateMachine.cpp => content/media/MediaDecoderStateMachine.cpp
rename : content/media/nsBuiltinDecoderStateMachine.h => content/media/MediaDecoderStateMachine.h
rename : content/media/dash/nsDASHDecoder.cpp => content/media/dash/DASHDecoder.cpp
rename : content/media/dash/nsDASHDecoder.h => content/media/dash/DASHDecoder.h
rename : content/media/dash/nsDASHReader.cpp => content/media/dash/DASHReader.cpp
rename : content/media/dash/nsDASHReader.h => content/media/dash/DASHReader.h
rename : content/media/dash/nsDASHRepDecoder.cpp => content/media/dash/DASHRepDecoder.cpp
rename : content/media/dash/nsDASHRepDecoder.h => content/media/dash/DASHRepDecoder.h
rename : content/media/gstreamer/nsGStreamerDecoder.cpp => content/media/gstreamer/GStreamerDecoder.cpp
rename : content/media/gstreamer/nsGStreamerDecoder.h => content/media/gstreamer/GStreamerDecoder.h
rename : content/media/gstreamer/nsGStreamerReader.cpp => content/media/gstreamer/GStreamerReader.cpp
rename : content/media/gstreamer/nsGStreamerReader.h => content/media/gstreamer/GStreamerReader.h
rename : content/media/ogg/nsOggCodecState.cpp => content/media/ogg/OggCodecState.cpp
rename : content/media/ogg/nsOggCodecState.h => content/media/ogg/OggCodecState.h
rename : content/media/ogg/nsOggDecoder.cpp => content/media/ogg/OggDecoder.cpp
rename : content/media/ogg/nsOggDecoder.h => content/media/ogg/OggDecoder.h
rename : content/media/ogg/nsOggReader.cpp => content/media/ogg/OggReader.cpp
rename : content/media/ogg/nsOggReader.h => content/media/ogg/OggReader.h
rename : content/media/omx/nsMediaOmxDecoder.cpp => content/media/omx/MediaOmxDecoder.cpp
rename : content/media/omx/nsMediaOmxDecoder.h => content/media/omx/MediaOmxDecoder.h
rename : content/media/omx/nsMediaOmxReader.cpp => content/media/omx/MediaOmxReader.cpp
rename : content/media/omx/nsMediaOmxReader.h => content/media/omx/MediaOmxReader.h
rename : content/media/plugins/nsMediaPluginDecoder.cpp => content/media/plugins/MediaPluginDecoder.cpp
rename : content/media/plugins/nsMediaPluginDecoder.h => content/media/plugins/MediaPluginDecoder.h
rename : content/media/plugins/nsMediaPluginHost.cpp => content/media/plugins/MediaPluginHost.cpp
rename : content/media/plugins/nsMediaPluginHost.h => content/media/plugins/MediaPluginHost.h
rename : content/media/plugins/nsMediaPluginReader.cpp => content/media/plugins/MediaPluginReader.cpp
rename : content/media/plugins/nsMediaPluginReader.h => content/media/plugins/MediaPluginReader.h
rename : content/media/raw/nsRawDecoder.cpp => content/media/raw/RawDecoder.cpp
rename : content/media/raw/nsRawDecoder.h => content/media/raw/RawDecoder.h
rename : content/media/raw/nsRawReader.cpp => content/media/raw/RawReader.cpp
rename : content/media/raw/nsRawReader.h => content/media/raw/RawReader.h
rename : content/media/raw/nsRawStructs.h => content/media/raw/RawStructs.h
rename : content/media/wave/nsWaveDecoder.cpp => content/media/wave/WaveDecoder.cpp
rename : content/media/wave/nsWaveDecoder.h => content/media/wave/WaveDecoder.h
rename : content/media/wave/nsWaveReader.cpp => content/media/wave/WaveReader.cpp
rename : content/media/wave/nsWaveReader.h => content/media/wave/WaveReader.h
rename : content/media/webm/nsWebMBufferedParser.cpp => content/media/webm/WebMBufferedParser.cpp
rename : content/media/webm/nsWebMBufferedParser.h => content/media/webm/WebMBufferedParser.h
rename : content/media/webm/nsWebMDecoder.cpp => content/media/webm/WebMDecoder.cpp
rename : content/media/webm/nsWebMDecoder.h => content/media/webm/WebMDecoder.h
rename : content/media/webm/nsWebMReader.cpp => content/media/webm/WebMReader.cpp
rename : content/media/webm/nsWebMReader.h => content/media/webm/WebMReader.h
2012-11-14 11:46:40 -08:00

93 lines
3.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/. */
#ifndef AudioAvailableEventManager_h__
#define AudioAvailableEventManager_h__
#include "nsCOMPtr.h"
#include "nsIRunnable.h"
#include "MediaDecoder.h"
#include "MediaDecoderReader.h"
namespace mozilla {
class AudioAvailableEventManager
{
public:
AudioAvailableEventManager(MediaDecoder* aDecoder);
~AudioAvailableEventManager();
// Initialize the event manager with audio metadata. Called before
// audio begins to get queued or events are dispatched.
void Init(uint32_t aChannels, uint32_t aRate);
// Dispatch pending MozAudioAvailable events in the queue. Called
// from the state machine thread.
void DispatchPendingEvents(uint64_t aCurrentTime);
// Queues audio sample data and re-packages it into equal sized
// framebuffers. Called from the audio thread.
void QueueWrittenAudioData(AudioDataValue* aAudioData,
uint32_t aAudioDataLength,
uint64_t aEndTimeSampleOffset);
// Clears the queue of any existing events. Called from both the state
// machine and audio threads.
void Clear();
// Fires one last event for any extra samples that didn't fit in a whole
// framebuffer. This is meant to be called only once when the audio finishes.
// Called from the state machine thread.
void Drain(uint64_t aTime);
// Sets the size of the signal buffer.
// Called from the main and the state machine thread.
void SetSignalBufferLength(uint32_t aLength);
// Called by the media element to notify the manager that there is a
// listener on the "MozAudioAvailable" event, and that we need to dispatch
// such events. Called from the main thread.
void NotifyAudioAvailableListener();
private:
// The decoder associated with the event manager. The event manager shares
// the same lifetime as the decoder (the decoder holds a reference to the
// manager).
MediaDecoder* mDecoder;
// The number of samples per second.
float mSamplesPerSecond;
// A buffer for audio data to be dispatched in DOM events.
nsAutoArrayPtr<float> mSignalBuffer;
// The current size of the signal buffer, may change due to DOM calls.
uint32_t mSignalBufferLength;
// The size of the new signal buffer, may change due to DOM calls.
uint32_t mNewSignalBufferLength;
// The position of the first available item in mSignalBuffer
uint32_t mSignalBufferPosition;
// The MozAudioAvailable events to be dispatched. This queue is shared
// between the state machine and audio threads.
nsTArray< nsCOMPtr<nsIRunnable> > mPendingEvents;
// ReentrantMonitor for shared access to mPendingEvents queue or
// buffer length.
ReentrantMonitor mReentrantMonitor;
// True if something in the owning document has a listener on the
// "MozAudioAvailable" event. If not, we don't need to bother copying played
// audio data and dispatching the event. Synchronized by mReentrantMonitor.
bool mHasListener;
};
} // namespace mozilla
#endif