From 376590d668e22a918439877b55faf075427b13f3 Mon Sep 17 00:00:00 2001
From: Jamie Gennis <jgennis@google.com>
Date: Thu, 13 Jan 2011 14:43:36 -0800
Subject: 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 | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'libs')

diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 88f1728e54d6..1dadd5389154 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -166,6 +166,9 @@ status_t SurfaceTexture::queueBuffer(int buf) {
     mLastQueued = buf;
     mLastQueuedCrop = mNextCrop;
     mLastQueuedTransform = mNextTransform;
+    if (mFrameAvailableListener != 0) {
+        mFrameAvailableListener->onFrameAvailable();
+    }
     return OK;
 }
 
@@ -294,6 +297,13 @@ void SurfaceTexture::getTransformMatrix(float mtx[16]) {
     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;
-- 
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