Support multiple video decoders and encoders

media/video/video_encode_accelerator.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_VIDEO_VIDEO_ENCODE_ACCELERATOR_H_
 #define MEDIA_VIDEO_VIDEO_ENCODE_ACCELERATOR_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 126 matching lines @@
   virtual void RequestEncodingParametersChange(uint32 bitrate,
                                                uint32 framerate) = 0;
 
   // Destroys the encoder: all pending inputs and outputs are dropped
   // immediately and the component is freed.  This call may asynchronously free
   // system resources, but its client-visible effects are synchronous.  After
   // this method returns no more callbacks will be made on the client.  Deletes
   // |this| unconditionally, so make sure to drop all pointers to it!
   virtual void Destroy() = 0;
 
- protected:
   // Do not delete directly; use Destroy() or own it with a scoped_ptr, which

[Pawel Osciak, 2014/12/26 01:11:36]

Please don't remove protected.

[henryhsu, 2014/12/26 08:40:41]

oh ok. I removed this is due to ScopedVector. Now I use another implementation.

   // will Destroy() it properly by default.
   virtual ~VideoEncodeAccelerator();
 };
 
 }  // namespace media
 
 namespace base {
 
 template <class T>
 struct DefaultDeleter;
 
 // Specialize DefaultDeleter so that scoped_ptr<VideoEncodeAccelerator> always
 // uses "Destroy()" instead of trying to use the destructor.
 template <>
 struct MEDIA_EXPORT DefaultDeleter<media::VideoEncodeAccelerator> {
  public:
   void operator()(void* video_encode_accelerator) const;
 };
 
 }  // namespace base
 
 #endif  // MEDIA_VIDEO_VIDEO_ENCODE_ACCELERATOR_H_