Add ExynosVideoEncodeAccelerator

content/common/gpu/gl_surface_encoder.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.

[Ami GONE FROM CHROMIUM, 2013/06/18 01:09:25]

Can you include a teaser of perf #'s for video encode in the CL description?

 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/gpu/gl_surface_encoder.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "media/base/video_frame.h"
 #include "ui/gl/gl_surface.h"
 
+#if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL)
+#include "content/common/gpu/media/exynos_video_encode_accelerator.h"
+#include "ui/gl/gl_surface_egl.h"
+#endif
+
 namespace content {
 
 namespace {
 
+bool MakeEncoderContextCurrent(
+    const base::WeakPtr<GpuCommandBufferStub> stub) {
+  if (!stub) {
+    DLOG(ERROR) << "Stub is gone; won't MakeCurrent().";
+    return false;
+  }
+
+  if (!stub->decoder()->MakeCurrent()) {
+    DLOG(ERROR) << "Failed to MakeCurrent()";
+    return false;
+  }
+
+  return true;
+}
+
 void DoNothingWithSurface(gfx::GLSurface* surface) {
 }
 
 }  // anonymous namespace
 
 GLSurfaceEncoder::GLSurfaceEncoder(int32 host_route_id,
                                    GpuCommandBufferStub* stub)
     : host_route_id_(host_route_id),
       stub_(stub) {
   DCHECK(stub_);
@@ skipping 81 matching lines @@
   DCHECK(stub_);
   return stub_->channel()->Send(message);
 }
 
 // static
 scoped_ptr<media::VideoEncodeAccelerator> GLSurfaceEncoder::CreateEncoder(
     GpuCommandBufferStub* stub,
     media::VideoEncodeAccelerator::Client* client) {
   scoped_ptr<media::VideoEncodeAccelerator> encoder;
 
-  // TODO(sheu): actually create an encoder.
+  base::Callback<bool(void)> make_current =
+      base::Bind(&MakeEncoderContextCurrent, stub->AsWeakPtr());
+
+#if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL)
+  encoder.reset(new ExynosVideoEncodeAccelerator(
+      gfx::GLSurfaceEGL::GetHardwareDisplay(),

[Ami GONE FROM CHROMIUM, 2013/06/18 01:09:25]

Any reason not to do this in the EVDA ctor itself?

+      client,
+      make_current,
+      true));
+#endif
+
   return encoder.Pass();
 }
 
 void GLSurfaceEncoder::OnEncodeCurrentContents(bool force_keyframe) {
   gfx::GLSurface* surface = stub_->surface();
   scoped_refptr<media::VideoFrame> frame(media::VideoFrame::WrapNativeSurface(
       surface->GetHandle(),
       surface->GetSize(),
       base::Time::Now() - start_time_,
       base::Bind(&DoNothingWithSurface, make_scoped_refptr(surface))));
@@ skipping 33 matching lines @@
 void GLSurfaceEncoder::OnRequestEncodingParameterChange(
     int32 bitrate) {
   encoder_->RequestEncodingParameterChange(bitrate);
 }
 
 void GLSurfaceEncoder::OnDestroy() {
   delete this;
 }
 
 }  // namespace content