media: Don't create a new MediaCodec during AVDA teardown

media/gpu/android_video_decode_accelerator.h

 // Copyright (c) 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_GPU_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 #define MEDIA_GPU_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 28 matching lines @@
 // output buffers to PictureBuffers to AVDAPictureBufferManager.
 class MEDIA_GPU_EXPORT AndroidVideoDecodeAccelerator
     : public VideoDecodeAccelerator,
       public AVDAStateProvider,
       public AVDACodecAllocatorClient {
  public:
   static VideoDecodeAccelerator::Capabilities GetCapabilities(
       const gpu::GpuPreferences& gpu_preferences);
 
   AndroidVideoDecodeAccelerator(
+      AVDACodecAllocator* codec_allocator,
       const MakeGLContextCurrentCallback& make_context_current_cb,
       const GetGLES2DecoderCallback& get_gles2_decoder_cb);
 
   ~AndroidVideoDecodeAccelerator() override;
 
   // VideoDecodeAccelerator implementation:
   bool Initialize(const Config& config, Client* client) override;
   void Decode(const BitstreamBuffer& bitstream_buffer) override;
   void AssignPictureBuffers(const std::vector<PictureBuffer>& buffers) override;
   void ReusePictureBuffer(int32_t picture_buffer_id) override;
@@ skipping 172 matching lines @@
   // Release |media_codec_| if it's not null, and notify
   // |picture_buffer_manager_|.
   void ReleaseCodec();
 
   // Used to DCHECK that we are called on the correct thread.
   base::ThreadChecker thread_checker_;
 
   // To expose client callbacks from VideoDecodeAccelerator.
   Client* client_;
 
+  AVDACodecAllocator* codec_allocator_;
+
   // Callback to set the correct gl context.
   MakeGLContextCurrentCallback make_context_current_cb_;
 
   // Callback to get the GLES2Decoder instance.
   GetGLES2DecoderCallback get_gles2_decoder_cb_;
 
   // The current state of this class. For now, this is used only for setting
   // error state.
   State state_;
 
@@ skipping 101 matching lines @@
 
   // WeakPtrFactory for posting tasks back to |this|.
   base::WeakPtrFactory<AndroidVideoDecodeAccelerator> weak_this_factory_;
 
   friend class AndroidVideoDecodeAcceleratorTest;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_ANDROID_VIDEO_DECODE_ACCELERATOR_H_