Roll FFmpeg for M37.

media/filters/audio_file_reader.cc

 // Copyright (c) 2012 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.
 
 #include "media/filters/audio_file_reader.h"
 
 #include <cmath>
 
 #include "base/logging.h"
 #include "base/time/time.h"
@@ skipping 113 matching lines @@
   AVPacket packet;
   int current_frame = 0;
   bool continue_decoding = true;
 
   while (current_frame < audio_bus->frames() && continue_decoding &&
          ReadPacket(&packet)) {
     // Make a shallow copy of packet so we can slide packet.data as frames are
     // decoded from the packet; otherwise av_free_packet() will corrupt memory.
     AVPacket packet_temp = packet;
     do {
-      avcodec_get_frame_defaults(av_frame.get());
+      // Reset frame to default values.
+      av_frame_unref(av_frame.get());
+
       int frame_decoded = 0;
       int result = avcodec_decode_audio4(
           codec_context_, av_frame.get(), &frame_decoded, &packet_temp);
 
       if (result < 0) {
         DLOG(WARNING)
             << "AudioFileReader::Read() : error in avcodec_decode_audio4() -"
             << result;
         break;
       }
@@ skipping 104 matching lines @@
     if (output_packet->stream_index != stream_index_) {
       av_free_packet(output_packet);
       continue;
     }
     return true;
   }
   return false;
 }
 
 }  // namespace media