Add Opus decode wrapper to media.

net/base/mime_util.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 <algorithm>
 #include <iterator>
 #include <map>
 #include <string>
 
 #include "net/base/mime_util.h"
@@ skipping 290 matching lines @@
 // Refer to http://wiki.whatwg.org/wiki/Video_type_parameters#Browser_Support
 // for more information.
 //
 // The codecs for WAV are integers as defined in Appendix A of RFC2361:
 // http://tools.ietf.org/html/rfc2361
 static const char* const common_media_codecs[] = {
 #if defined(ENABLE_MEDIA_CODEC_THEORA)
   "theora",
 #endif
   "vorbis",
+  "opus",
   "vp8",
   "1"  // WAVE_FORMAT_PCM.
 };
 
 // List of proprietary codecs only supported by Google Chrome.
 static const char* const proprietary_media_codecs[] = {
   "avc1",
   "mp4a"
 };
 
@@ skipping 93 matching lines @@
   "application/atom+xml",
   "image/svg+xml"
 };
 
 struct MediaFormatStrict {
   const char* mime_type;
   const char* codecs_list;
 };
 
 static const MediaFormatStrict format_codec_mappings[] = {
-  { "video/webm", "vorbis,vp8,vp8.0" },
-  { "audio/webm", "vorbis" },
+  { "video/webm", "vorbis,opus,vp8,vp8.0" },
+  { "audio/webm", "vorbis,opus" },
   { "audio/wav", "1" }
 };
 
 MimeUtil::MimeUtil() {
   InitializeMimeTypeMaps();
 }
 
 // static
 bool MimeUtil::AreSupportedCodecs(const MimeMappings& supported_codecs,
                                   const std::vector<std::string>& codecs) {
@@ skipping 369 matching lines @@
   "audio/aiff",
   "audio/amr",
   "audio/basic",
   "audio/midi",
   "audio/mp3",
   "audio/mp4",
   "audio/mpeg",
   "audio/mpeg3",
   "audio/ogg",
   "audio/vorbis",
+  "audio/opus",

[xhwang, 2012/12/14 08:41:48]

it seems there are ordered, fix the order?

[Tom Finegan, 2012/12/14 20:21:34]

Done.

   "audio/wav",
   "audio/webm",
   "audio/x-m4a",
   "audio/x-ms-wma",
   "audio/vnd.rn-realaudio",
   "audio/vnd.wave"
 };
 static const char* const kStandardVideoTypes[] = {
   "video/avi",
   "video/divx",
@@ skipping 170 matching lines @@
   return CERTIFICATE_MIME_TYPE_UNKNOWN;
 }
 
 bool IsSupportedCertificateMimeType(const std::string& mime_type) {
   CertificateMimeType file_type =
       GetCertificateMimeTypeForMimeType(mime_type);
   return file_type != CERTIFICATE_MIME_TYPE_UNKNOWN;
 }
 
 }  // namespace net