preparation for recycling buffer, patch 2

media/filters/omx_video_decode_engine.cc

Index: media/filters/omx_video_decode_engine.cc
diff --git a/media/filters/omx_video_decode_engine.cc b/media/filters/omx_video_decode_engine.cc
index db5b40238de78cfbf43cde2e716147371fc1fc6d..5e26bfa9a7c02633b2627ff097219928716a3a97 100644
--- a/media/filters/omx_video_decode_engine.cc
+++ b/media/filters/omx_video_decode_engine.cc
@@ -255,6 +255,17 @@ void OmxVideoDecodeEngine::PortFlushDone(int port) {
     ComponentFlushDone();
 }
 
+void OmxVideoDecodeEngine::Seek(Task* done_cb) {
+  message_loop_->PostTask(FROM_HERE,
+      NewRunnableMethod(this, &OmxVideoDecodeEngine::SeekTask, done_cb));
+}
+
+void OmxVideoDecodeEngine::SeekTask(Task* done_cb) {
+  DCHECK_EQ(message_loop_, MessageLoop::current());
+  AutoTaskRunner done_runner(done_cb);
+  // TODO(jiesun): add real logic here.
+}
+
 VideoFrame::Format OmxVideoDecodeEngine::GetSurfaceFormat() const {
   // TODO(jiesun): Both OmxHeaderType and EGLImage surface type could have
   // different surface formats.
@@ -671,6 +682,10 @@ void OmxVideoDecodeEngine::FillThisBuffer(
   }
 }
 
+bool OmxVideoDecodeEngine::ProvidesBuffer() const {
+  return !uses_egl_image_;
+}
+
 // Reconfigure port
 void OmxVideoDecodeEngine::OnPortSettingsChangedRun(int port,
                                                     OMX_INDEXTYPE index) {