mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-10-22 02:25:05 +00:00
69 lines
1.8 KiB
C
69 lines
1.8 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/. */
|
||
|
#if !defined(AudioSink_h__)
|
||
|
#define AudioSink_h__
|
||
|
|
||
|
#include "mozilla/MozPromise.h"
|
||
|
#include "mozilla/RefPtr.h"
|
||
|
#include "nsISupportsImpl.h"
|
||
|
|
||
|
namespace mozilla {
|
||
|
|
||
|
class MediaData;
|
||
|
template <class T> class MediaQueue;
|
||
|
|
||
|
namespace media {
|
||
|
|
||
|
/*
|
||
|
* Define basic APIs for derived class instance to operate or obtain
|
||
|
* information from it.
|
||
|
*/
|
||
|
class AudioSink {
|
||
|
public:
|
||
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(AudioSink)
|
||
|
AudioSink(MediaQueue<MediaData>& aAudioQueue)
|
||
|
: mAudioQueue(aAudioQueue)
|
||
|
{}
|
||
|
|
||
|
// Return a promise which will be resolved when AudioSink finishes playing,
|
||
|
// or rejected if any error.
|
||
|
virtual RefPtr<GenericPromise> Init() = 0;
|
||
|
|
||
|
virtual int64_t GetEndTime() const = 0;
|
||
|
virtual int64_t GetPosition() = 0;
|
||
|
|
||
|
// Check whether we've pushed more frames to the audio
|
||
|
// hardware than it has played.
|
||
|
virtual bool HasUnplayedFrames() = 0;
|
||
|
|
||
|
// Shut down the AudioSink's resources.
|
||
|
virtual void Shutdown() = 0;
|
||
|
|
||
|
// Change audio playback setting.
|
||
|
virtual void SetVolume(double aVolume) = 0;
|
||
|
virtual void SetPlaybackRate(double aPlaybackRate) = 0;
|
||
|
virtual void SetPreservesPitch(bool aPreservesPitch) = 0;
|
||
|
|
||
|
// Change audio playback status pause/resume.
|
||
|
virtual void SetPlaying(bool aPlaying) = 0;
|
||
|
|
||
|
protected:
|
||
|
virtual ~AudioSink() {}
|
||
|
|
||
|
virtual MediaQueue<MediaData>& AudioQueue() const {
|
||
|
return mAudioQueue;
|
||
|
}
|
||
|
|
||
|
// To queue audio data (no matter it's plain or encoded or encrypted, depends
|
||
|
// on the subclass)
|
||
|
MediaQueue<MediaData>& mAudioQueue;
|
||
|
};
|
||
|
|
||
|
} // namespace media
|
||
|
} // namespace mozilla
|
||
|
|
||
|
#endif
|