Emit Media Source codec names as media_log events.

media/base/video_decoder_config.h

 // 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.
 
 #ifndef MEDIA_BASE_VIDEO_DECODER_CONFIG_H_
 #define MEDIA_BASE_VIDEO_DECODER_CONFIG_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 18 matching lines @@
   kCodecVP8,
   kCodecVP9,
   // DO NOT ADD RANDOM VIDEO CODECS!
   //
   // The only acceptable time to add a new codec is if there is production code
   // that uses said codec in the same CL.
 
   kVideoCodecMax = kCodecVP9  // Must equal the last "real" codec above.
 };
 
+const char* VideoCodecName(VideoCodec video_codec);

[DaleCurtis, 2014/11/19 00:01:56]

same suggestion as audio.

[watk, 2014/11/19 19:18:09]

Done.

+
 // Video stream profile.  This *must* match PP_VideoDecoder_Profile.
 // (enforced in webkit/plugins/ppapi/ppb_video_decoder_impl.cc) and
 // gpu::VideoCodecProfile.
 enum VideoCodecProfile {
   // Keep the values in this enum unique, as they imply format (h.264 vs. VP8,
   // for example), and keep the values for a particular format grouped
   // together for clarity.
   VIDEO_CODEC_PROFILE_UNKNOWN = -1,
   VIDEO_CODEC_PROFILE_MIN = VIDEO_CODEC_PROFILE_UNKNOWN,
   H264PROFILE_MIN = 0,
@@ skipping 102 matching lines @@
   bool is_encrypted_;
 
   // Not using DISALLOW_COPY_AND_ASSIGN here intentionally to allow the compiler
   // generated copy constructor and assignment operator. Since the extra data is
   // typically small, the performance impact is minimal.
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_DECODER_CONFIG_H_