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author | Jamie Gennis <jgennis@google.com> | 2011-01-13 14:43:36 -0800 |
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committer | Jamie Gennis <jgennis@google.com> | 2011-01-16 17:28:39 -0800 |
commit | 376590d668e22a918439877b55faf075427b13f3 (patch) | |
tree | d55b9baf0efec6a49de60786cc996f6ef699d067 /include | |
parent | 0fb736c0937d9d65001e0176d90e1011226594bf (diff) | |
download | frameworks_base-376590d668e22a918439877b55faf075427b13f3.zip frameworks_base-376590d668e22a918439877b55faf075427b13f3.tar.gz frameworks_base-376590d668e22a918439877b55faf075427b13f3.tar.bz2 |
Implement SurfaceTexture frame-available callback.
This change implements the onFrameAvailable callback for the
SurfaceTexture java class. It includes the C++ SurfaceTexture code as
well as the JNI and Java code to enable the callback.
Change-Id: Ifd8b8e7ad46ee70cba6da1c2e96dab8045d1ea30
Diffstat (limited to 'include')
-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. |