Reland of Implement support for vp9 in ISO-BMFF

media/formats/mp4/fourccs.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 MEDIA_FORMATS_MP4_FOURCCS_H_
 #define MEDIA_FORMATS_MP4_FOURCCS_H_
 
 #include <string>
 
 #include "media/media_features.h"
@@ skipping 82 matching lines @@
   FOURCC_TFHD = 0x74666864,
   FOURCC_TKHD = 0x746b6864,
   FOURCC_TRAF = 0x74726166,
   FOURCC_TRAK = 0x7472616b,
   FOURCC_TREX = 0x74726578,
   FOURCC_TRUN = 0x7472756e,
   FOURCC_UDTA = 0x75647461,
   FOURCC_UUID = 0x75756964,
   FOURCC_VIDE = 0x76696465,
   FOURCC_VMHD = 0x766d6864,
+  FOURCC_VP09 = 0x76703039,
   FOURCC_WIDE = 0x77696465,
 };
 
 const inline std::string FourCCToString(FourCC fourcc) {
   char buf[5];
   buf[0] = (fourcc >> 24) & 0xff;
   buf[1] = (fourcc >> 16) & 0xff;
   buf[2] = (fourcc >> 8) & 0xff;
   buf[3] = (fourcc) & 0xff;
   buf[4] = 0;
 
   // Return hex itself if characters can not be printed. Any character within
   // the "C" locale is considered printable.
   for (int i = 0; i < 4; ++i) {
     if (!(buf[i] > 0x1f && buf[i] < 0x7f)) {
       std::stringstream hex_string;
       hex_string << "0x" << std::hex << fourcc;
       return hex_string.str();
     }
   }
 
   return std::string(buf);
 }
 
 }  // namespace mp4
 }  // namespace media
 
 #endif  // MEDIA_FORMATS_MP4_FOURCCS_H_