Expose MEDIA_STATISTICS stats to chrome://media-internals.

media/base/media_log.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/base/media_log.h"
 
 #include <string>
 
 #include "base/atomic_sequence_num.h"
 #include "base/logging.h"
@@ skipping 38 matching lines @@
     case MediaLogEvent::AUDIO_ENDED:
       return "AUDIO_ENDED";
     case MediaLogEvent::VIDEO_ENDED:
       return "VIDEO_ENDED";
     case MediaLogEvent::AUDIO_RENDERER_DISABLED:
       return "AUDIO_RENDERER_DISABLED";
     case MediaLogEvent::BUFFERED_EXTENTS_CHANGED:
       return "BUFFERED_EXTENTS_CHANGED";
     case MediaLogEvent::MEDIA_SOURCE_ERROR:
       return "MEDIA_SOURCE_ERROR";
+    case MediaLogEvent::PIPELINE_STATISTICS_CHANGED:
+      return "PIPELINE_STATISTICS_CHANGED";
   }
   NOTREACHED();
   return NULL;
 }
 
 const char* MediaLog::PipelineStatusToString(PipelineStatus status) {
   switch (status) {
     case PIPELINE_OK:
       return "pipeline: ok";
     case PIPELINE_ERROR_URL_NOT_FOUND:
@@ skipping 120 matching lines @@
 }
 
 scoped_ptr<MediaLogEvent> MediaLog::CreateMediaSourceErrorEvent(
     const std::string& error) {
   scoped_ptr<MediaLogEvent> event(
       CreateEvent(MediaLogEvent::MEDIA_SOURCE_ERROR));
   event->params.SetString("error", error);
   return event.Pass();
 }
 
+scoped_ptr<MediaLogEvent> MediaLog::CreatePipelineStatisticsChangedEvent(
+    const PipelineStatistics& stats) {
+  scoped_ptr<MediaLogEvent> event(
+      CreateEvent(MediaLogEvent::PIPELINE_STATISTICS_CHANGED));
+  event->params.SetInteger("decoded_audio_bytes", stats.audio_bytes_decoded);
+  event->params.SetInteger("decoded_video_bytes", stats.video_bytes_decoded);
+  event->params.SetInteger("decoded_video_frames", stats.video_frames_decoded);
+  event->params.SetInteger("dropped_video_frames", stats.video_frames_dropped);
+  return event.Pass();
+}
 }  //namespace media