Support "suspension" of a video encoder in "surface-input" mode.

i.e. feed no more input frames to the encoder while suspended.

Change-Id: I51391e18c1517548e869f8ddece19f4af37e78f9

1 files changed, 6 insertions, 0 deletions

diff --git a/media/libstagefright/omx/GraphicBufferSource.h b/media/libstagefright/omx/GraphicBufferSource.h
index 8c6b470..ac73770 100644
--- a/media/libstagefright/omx/GraphicBufferSource.h
+++ b/media/libstagefright/omx/GraphicBufferSource.h
@@ -85,6 +85,10 @@ public:
     // have a codec buffer ready, we just set the mEndOfStream flag.
     status_t signalEndOfInputStream();
 
+    // If suspend is true, all incoming buffers (including those currently
+    // in the BufferQueue) will be discarded until the suspension is lifted.
+    void suspend(bool suspend);
+
 protected:
     // BufferQueue::ConsumerListener interface, called when a new frame of
     // data is available.  If we're executing and a codec buffer is
@@ -155,6 +159,8 @@ private:
     // Set by omxExecuting() / omxIdling().
     bool mExecuting;
 
+    bool mSuspended;
+
     // We consume graphic buffers from this.
     sp<BufferQueue> mBufferQueue;