commit 376590d668e22a918439877b55faf075427b13f3
author Jamie Gennis <jgennis@google.com> Thu Jan 13 14:43:36 2011 -0800
committer Jamie Gennis <jgennis@google.com> Sun Jan 16 17:28:39 2011 -0800
tree d55b9baf0efec6a49de60786cc996f6ef699d067
parent 0fb736c0937d9d65001e0176d90e1011226594bf

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

libs/gui/SurfaceTexture.cpp

diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 88f1728..1dadd53 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -166,6 +166,9 @@
     mLastQueued = buf;
     mLastQueuedCrop = mNextCrop;
     mLastQueuedTransform = mNextTransform;
+    if (mFrameAvailableListener != 0) {
+        mFrameAvailableListener->onFrameAvailable();
+    }
     return OK;
 }
 
@@ -294,6 +297,13 @@
     mtxMul(mtx, mtxFlipV, mtxBeforeFlipV);
 }
 
+void SurfaceTexture::setFrameAvailableListener(
+        const sp<FrameAvailableListener>& l) {
+    LOGV("SurfaceTexture::setFrameAvailableListener");
+    Mutex::Autolock lock(mMutex);
+    mFrameAvailableListener = l;
+}
+
 void SurfaceTexture::freeAllBuffers() {
     for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
         mSlots[i].mGraphicBuffer = 0;