diff options
Diffstat (limited to 'include/gui')
| -rw-r--r-- | include/gui/SurfaceTexture.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/gui/SurfaceTexture.h b/include/gui/SurfaceTexture.h index 002e48b..79c33f5 100644 --- a/include/gui/SurfaceTexture.h +++ b/include/gui/SurfaceTexture.h @@ -40,6 +40,10 @@ public: enum { MIN_BUFFER_SLOTS = 3 }; enum { NUM_BUFFER_SLOTS = 32 }; + struct FrameAvailableListener : public virtual RefBase { + virtual void onFrameAvailable() = 0; + }; + // tex indicates the name OpenGL texture to which images are to be streamed. // This texture name cannot be changed once the SurfaceTexture is created. SurfaceTexture(GLuint tex); @@ -93,6 +97,10 @@ public: // functions. void getTransformMatrix(float mtx[16]); + // setFrameAvailableListener sets the listener object that will be notified + // when a new frame becomes available. + void setFrameAvailableListener(const sp<FrameAvailableListener>& l); + private: // freeAllBuffers frees the resources (both GraphicBuffer and EGLImage) for @@ -195,6 +203,11 @@ private: // to a buffer, but other processes do. Vector<sp<GraphicBuffer> > mAllocdBuffers; + // mFrameAvailableListener is the listener object that will be called when a + // new frame becomes available. If it is not NULL it will be called from + // queueBuffer. + sp<FrameAvailableListener> mFrameAvailableListener; + // mMutex is the mutex used to prevent concurrent access to the member // variables of SurfaceTexture objects. It must be locked whenever the // member variables are accessed. |