Add vp9 QP parser.

webrtc/modules/video_coding/utility/vp8_header_parser.cc

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 #include "webrtc/modules/video_coding/utility/vp8_header_parser.h"
@@ skipping 174 matching lines @@
     // Color space and pixel type.
     VP8Get(&br);
     VP8Get(&br);
   }
   ParseSegmentHeader(&br);
   ParseFilterHeader(&br);
   // Number of coefficient data partitions.
   VP8GetValue(&br, 2);
   // Base QP.
   const int base_q0 = VP8GetValue(&br, 7);
+  printf("vp8 parser qp %d\n", base_q0);

[brandtr, 2017/05/19 14:10:27]

Remove.

[jianj1, 2017/05/19 21:20:56]

Done.

   if (br.eof_ == 1) {
     LOG(LS_WARNING) << "Failed to get QP, end of file reached.";
     return false;
   }
   *qp = base_q0;
   return true;
 }
 
 }  // namespace vp8
 
 }  // namespace webrtc