Expose codec implementation names in stats.

talk/media/base/mediachannel.h

 /*
  * libjingle
  * Copyright 2004 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 765 matching lines @@
         framerate_sent(0),
         nominal_bitrate(0),
         preferred_bitrate(0),
         adapt_reason(0),
         adapt_changes(0),
         avg_encode_ms(0),
         encode_usage_percent(0) {
   }
 
   std::vector<SsrcGroup> ssrc_groups;
+  std::string encoder_implementation_name;
   int packets_cached;
   int firs_rcvd;
   int plis_rcvd;
   int nacks_rcvd;
   int input_frame_width;
   int input_frame_height;
   int send_frame_width;
   int send_frame_height;
   int framerate_input;
   int framerate_sent;
@@ skipping 25 matching lines @@
         max_decode_ms(0),
         jitter_buffer_ms(0),
         min_playout_delay_ms(0),
         render_delay_ms(0),
         target_delay_ms(0),
         current_delay_ms(0),
         capture_start_ntp_time_ms(-1) {
   }
 
   std::vector<SsrcGroup> ssrc_groups;
+  std::string decoder_implementation_name;
   int packets_concealed;
   int firs_sent;
   int plis_sent;
   int nacks_sent;
   int frame_width;
   int frame_height;
   int framerate_rcvd;
   int framerate_decoded;
   int framerate_output;
   // Framerate as sent to the renderer.
@@ skipping 375 matching lines @@
   // Signal when the media channel is ready to send the stream. Arguments are:
   //     writable(bool)
   sigslot::signal1<bool> SignalReadyToSend;
   // Signal for notifying that the remote side has closed the DataChannel.
   sigslot::signal1<uint32_t> SignalStreamClosedRemotely;
 };
 
 }  // namespace cricket
 
 #endif  // TALK_MEDIA_BASE_MEDIACHANNEL_H_