Use NotifyError() to report errors in VTVideoDecodeAccelerator.

content/common/gpu/media/vt_video_decode_accelerator.h

 // Copyright 2014 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_VT_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 65 matching lines @@
   // sent, a particular |action| should be completed at.
   struct PendingAction {
     PendingAction(Action action, int32_t bitstream_id);
     ~PendingAction();
 
     Action action;
     int32_t bitstream_id;
   };
 
   // Methods for interacting with VideoToolbox. Run on |decoder_thread_|.
-  void ConfigureDecoder(
+  bool ConfigureDecoder(
       const std::vector<const uint8_t*>& nalu_data_ptrs,
       const std::vector<size_t>& nalu_data_sizes);
-  void DecodeTask(const media::BitstreamBuffer);
+  void DecodeTask(const media::BitstreamBuffer&);
   void FlushTask();
+  void DropBitstream(int32_t bitstream_id);
 
   // Methods for interacting with |client_|. Run on |gpu_task_runner_|.
   void OutputTask(DecodedFrame frame);
   void SizeChangedTask(gfx::Size coded_size);
+  void NotifyError(Error error);
 
   // Send decoded frames up to and including |up_to_bitstream_id|, and return
   // the last sent |bitstream_id|.
   int32_t SendPictures(int32_t up_to_bitstream_id);
 
   // Since VideoToolbox has no reset feature (only flush), and the VDA API
   // allows Decode() and Flush() calls during a reset operation, it's possible
   // to have multiple pending actions at once. We handle the fully general case
   // of an arbitrary sequence of pending actions (in reality, there should
   // probably be at most one reset and one flush at a time).
@@ skipping 10 matching lines @@
 
   // Complete all actions pending for a particular |bitstream_id|.
   // Warning: Do not call if there is a pending ACTION_DESTROY.
   void CompleteActions(int32_t bitstream_id);
 
   //
   // GPU thread state.
   //
   CGLContextObj cgl_context_;
   media::VideoDecodeAccelerator::Client* client_;
+  bool has_error_;  // client_->NotifyError() called.
   gfx::Size texture_size_;
   std::queue<PendingAction> pending_actions_;
   std::queue<int32_t> pending_bitstream_ids_;
 
   // Texture IDs of pictures.
   // TODO(sandersd): A single map of structs holding picture data.
   std::map<int32_t, uint32_t> texture_ids_;
 
   // Pictures ready to be rendered to.
   std::queue<int32_t> available_picture_ids_;
@@ skipping 25 matching lines @@
   // Declared last to ensure that all decoder thread tasks complete before any
   // state is destructed.
   base::Thread decoder_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(VTVideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_VT_VIDEO_DECODE_ACCELERATOR_H_