Add vaapi_h264_decoder_test.

content/common/gpu/media/vaapi_wrapper.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // This file contains an implementation of VaapiWrapper, used by
 // VaapiVideoDecodeAccelerator and VaapiH264Decoder to interface
 // with libva (VA-API library for hardware video decode).
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_WRAPPER_H_
 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_WRAPPER_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/media/va_surface.h"
 #include "media/base/video_decoder_config.h"
+#include "media/base/video_frame.h"
 #include "third_party/libva/va/va.h"
 #include "third_party/libva/va/va_x11.h"
 #include "ui/gfx/size.h"
 
 namespace content {
 
 // This class handles VA-API calls and ensures proper locking of VA-API calls
 // to libva, the userspace shim to the HW decoder driver. libva is not
 // thread-safe, so we have to perform locking ourselves. This class is fully
 // synchronous and its methods can be called from any thread and may wait on
@@ skipping 46 matching lines @@
 
   // Put data from |va_surface_id| into |x_pixmap| of size |size|,
   // converting/scaling to it.
   bool PutSurfaceIntoPixmap(VASurfaceID va_surface_id,
                             Pixmap x_pixmap,
                             gfx::Size dest_size);
 
   // Returns true if the VAAPI version is less than the specified version.
   bool VAAPIVersionLessThan(int major, int minor);
 
+  // Get the surface data and return it as a VideoFrame. The VideoFrame
+  // contains I420 formatted data. Currently it only handles VASurface with
+  // NV12 format.

[Pawel Osciak, 2013/11/29 04:25:13]

Perhaps it'd be a good idea to add a note that this function is and should only
be used for testing in case someone decides to use it somewhere meaningful,
because it makes a copy.

[chihchung, 2013/11/29 14:06:30]

Done.

+  scoped_refptr<media::VideoFrame> VideoFrameFromVASurface(
+      VASurfaceID va_surface_id);
+
  private:
   VaapiWrapper();
 
   bool Initialize(media::VideoCodecProfile profile,
                   Display* x_display,
                   const base::Closure& report_error__to_uma_cb);
   void Deinitialize();
 
   // Execute decode in hardware and destroy pending buffers. Return false if
   // vaapi driver refuses to accept parameter or slice buffers submitted
@@ skipping 33 matching lines @@
 
   // Has static initialization of pre-sandbox components completed successfully?
   static bool pre_sandbox_init_done_;
 
   DISALLOW_COPY_AND_ASSIGN(VaapiWrapper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_VAAPI_WRAPPER_H_