The Tor Browser / file comparison
comparison: dom/camera/CameraPreviewMediaStream.h
dom/camera/CameraPreviewMediaStream.h
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
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| -1:000000000000 | 0:d76278bb2383 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef DOM_CAMERA_CAMERAPREVIEWMEDIASTREAM_H | |
| 6 #define DOM_CAMERA_CAMERAPREVIEWMEDIASTREAM_H | |
| 7 | |
| 8 #include "VideoFrameContainer.h" | |
| 9 #include "MediaStreamGraph.h" | |
| 10 #include "mozilla/Mutex.h" | |
| 11 | |
| 12 namespace mozilla { | |
| 13 | |
| 14 class CameraPreviewFrameCallback { | |
| 15 public: | |
| 16 virtual void OnNewFrame(const gfxIntSize& aIntrinsicSize, layers::Image* aImage) = 0; | |
| 17 }; | |
| 18 | |
| 19 /** | |
| 20 * This is a stream for camere preview. | |
| 21 * | |
| 22 * XXX It is a temporary fix of SourceMediaStream. | |
| 23 * A camera preview requests no delay and no buffering stream. | |
| 24 * But the SourceMediaStream do not support it. | |
| 25 */ | |
| 26 class CameraPreviewMediaStream : public MediaStream | |
| 27 { | |
| 28 typedef mozilla::layers::Image Image; | |
| 29 | |
| 30 public: | |
| 31 CameraPreviewMediaStream(DOMMediaStream* aWrapper); | |
| 32 | |
| 33 virtual void AddAudioOutput(void* aKey) MOZ_OVERRIDE; | |
| 34 virtual void SetAudioOutputVolume(void* aKey, float aVolume) MOZ_OVERRIDE; | |
| 35 virtual void RemoveAudioOutput(void* aKey) MOZ_OVERRIDE; | |
| 36 virtual void AddVideoOutput(VideoFrameContainer* aContainer) MOZ_OVERRIDE; | |
| 37 virtual void RemoveVideoOutput(VideoFrameContainer* aContainer) MOZ_OVERRIDE; | |
| 38 virtual void ChangeExplicitBlockerCount(int32_t aDelta) MOZ_OVERRIDE; | |
| 39 virtual void AddListener(MediaStreamListener* aListener) MOZ_OVERRIDE; | |
| 40 virtual void RemoveListener(MediaStreamListener* aListener) MOZ_OVERRIDE; | |
| 41 virtual void Destroy(); | |
| 42 | |
| 43 // Call these on any thread. | |
| 44 void SetCurrentFrame(const gfxIntSize& aIntrinsicSize, Image* aImage); | |
| 45 void ClearCurrentFrame(); | |
| 46 | |
| 47 void SetFrameCallback(CameraPreviewFrameCallback* aCallback) { | |
| 48 mFrameCallback = aCallback; | |
| 49 } | |
| 50 | |
| 51 protected: | |
| 52 // mMutex protects all the class' fields. | |
| 53 // This class is not registered to MediaStreamGraph. | |
| 54 // It needs to protect all the fields. | |
| 55 Mutex mMutex; | |
| 56 CameraPreviewFrameCallback* mFrameCallback; | |
| 57 }; | |
| 58 | |
| 59 } | |
| 60 | |
| 61 #endif // DOM_CAMERA_CAMERAPREVIEWMEDIASTREAM_H |
