Passing Native Texture backed Video Frame from Renderer to GPU process

content/renderer/media/rtc_video_encoder.cc

Index: content/renderer/media/rtc_video_encoder.cc
diff --git a/content/renderer/media/rtc_video_encoder.cc b/content/renderer/media/rtc_video_encoder.cc
index cdadae55cd560cc65a60864302399a9afb21df07..4eb434918a6a2dbfc9fa052762f554970bb508fe 100644
--- a/content/renderer/media/rtc_video_encoder.cc
+++ b/content/renderer/media/rtc_video_encoder.cc
@@ -13,6 +13,7 @@
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/thread_task_runner_handle.h"
+#include "media/base/bind_to_current_loop.h"
 #include "media/base/bitstream_buffer.h"
 #include "media/base/video_frame.h"
 #include "media/base/video_util.h"
@@ -491,6 +492,18 @@ void RTCVideoEncoder::Impl::EncodeOneFrame() {
   }
 
   const int index = input_buffers_free_.back();
+
+  if (next_frame->native_handle()) {
+    scoped_refptr<media::VideoFrame> frame(
+        static_cast<media::VideoFrame*>(next_frame->native_handle()));
+    frame->AddDestructionObserver(media::BindToCurrentLoop(
+        base::Bind(&RTCVideoEncoder::Impl::EncodeFrameFinished, this, index)));
+    video_encoder_->Encode(frame, next_frame_keyframe);

[Pawel Osciak, 2015/06/03 10:28:56]

Could we please not duplicate these lines, but instead do an if/else for
native/shm?

[emircan, 2015/06/03 20:56:12]

Done. 

I am preparing a followup CL for RTCVideoEncoder, such that it doesn't need to
rotate ShMem input buffers for native textures (Item 4 in my followup CLs list).
Things will be separated and cleaner there. 

+    input_buffers_free_.pop_back();
+    SignalAsyncWaiter(WEBRTC_VIDEO_CODEC_OK);
+    return;
+  }
+
   base::SharedMemory* input_buffer = input_buffers_[index];
   scoped_refptr<media::VideoFrame> frame =
       media::VideoFrame::WrapExternalSharedMemory(