Don't require VDAs to return all PictureBuffers at once.

media/renderers/gpu_video_accelerator_factories.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.
 
 #ifndef MEDIA_RENDERERS_GPU_VIDEO_ACCELERATOR_FACTORIES_H_
 #define MEDIA_RENDERERS_GPU_VIDEO_ACCELERATOR_FACTORIES_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 79 matching lines @@
   virtual VideoPixelFormat VideoFrameOutputFormat() = 0;
 
   virtual scoped_ptr<ScopedGLContextLock> GetGLContextLock() = 0;
 
   // Allocate & return a shared memory segment.
   virtual scoped_ptr<base::SharedMemory> CreateSharedMemory(size_t size) = 0;
 
   // Returns the task runner the video accelerator runs on.
   virtual scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner() = 0;
 
+  // Return the capabilities of video decode accelerator.
+  virtual VideoDecodeAccelerator::Capabilities
+  GetVideoDecodeAcceleratorCapabilities() = 0;
+
   // Returns the supported codec profiles of video decode accelerator.
   virtual VideoDecodeAccelerator::SupportedProfiles
       GetVideoDecodeAcceleratorSupportedProfiles() = 0;
 
   // Returns the supported codec profiles of video encode accelerator.
   virtual VideoEncodeAccelerator::SupportedProfiles
       GetVideoEncodeAcceleratorSupportedProfiles() = 0;
 
  protected:
   friend class base::RefCounted<GpuVideoAcceleratorFactories>;
   virtual ~GpuVideoAcceleratorFactories() {}
 };
 
 }  // namespace media
 
 #endif  // MEDIA_RENDERERS_GPU_VIDEO_ACCELERATOR_FACTORIES_H_