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

content/common/gpu/media/gpu_video_accelerator_util.h

 // Copyright 2015 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 CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ACCELERATOR_UTIL_H_
 #define CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ACCELERATOR_UTIL_H_
 
 #include <vector>
 
 #include "gpu/config/gpu_info.h"
 #include "media/video/video_decode_accelerator.h"
 #include "media/video/video_encode_accelerator.h"
 
 namespace content {
 
 class GpuVideoAcceleratorUtil {
  public:
+  // Convert decoder gpu capabilities to media capabilities.
+  static media::VideoDecodeAccelerator::Capabilities
+  ConvertGpuToMediaDecodeCapabilities(
+      const gpu::VideoDecodeAcceleratorCapabilities& gpu_capabilities);
+
   // Convert decoder gpu profiles to media profiles.
   static media::VideoDecodeAccelerator::SupportedProfiles
       ConvertGpuToMediaDecodeProfiles(const
           gpu::VideoDecodeAcceleratorSupportedProfiles& gpu_profiles);
 
+  // Convert decoder media capabilities to gpu capabilities.
+  static gpu::VideoDecodeAcceleratorCapabilities
+  ConvertMediaToGpuDecodeCapabilities(
+      const media::VideoDecodeAccelerator::Capabilities& media_capabilities);
+
   // Convert decoder media profiles to gpu profiles.
   static gpu::VideoDecodeAcceleratorSupportedProfiles
       ConvertMediaToGpuDecodeProfiles(const
           media::VideoDecodeAccelerator::SupportedProfiles& media_profiles);
 
   // Convert encoder gpu profiles to media profiles.
   static media::VideoEncodeAccelerator::SupportedProfiles
       ConvertGpuToMediaEncodeProfiles(const
           gpu::VideoEncodeAcceleratorSupportedProfiles& gpu_profiles);
 
@@ skipping 11 matching lines @@
   // Insert |new_profiles| into |media_profiles|, ensuring no duplicates are
   // inserted.
   static void InsertUniqueEncodeProfiles(
       const media::VideoEncodeAccelerator::SupportedProfiles& new_profiles,
       media::VideoEncodeAccelerator::SupportedProfiles* media_profiles);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ACCELERATOR_UTIL_H_