Forward output glitch information from stream WebRTC log

content/browser/media/media_internals.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 "content/browser/media/media_internals.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
+#include "content/browser/renderer_host/media/media_stream_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "media/base/audio_parameters.h"
 #include "media/base/media_log_event.h"
 #include "media/filters/gpu_video_decoder.h"
@@ skipping 77 matching lines @@
   void OnCreated(int component_id,
                  const media::AudioParameters& params,
                  const std::string& device_id) override;
   void OnStarted(int component_id) override;
   void OnStopped(int component_id) override;
   void OnClosed(int component_id) override;
   void OnError(int component_id) override;
   void OnSetVolume(int component_id, double volume) override;
   void OnSwitchOutputDevice(int component_id,
                             const std::string& device_id) override;
+  void OnStatistics(int component_id,
+                    const std::string& name,
+                    int value) override;
 
   // Called by MediaInternals to update the WebContents title for a stream.
   void SendWebContentsTitle(int component_id,
                             int render_process_id,
                             int render_frame_id);
 
  private:
   void SendSingleStringUpdate(int component_id,
                               const std::string& key,
                               const std::string& value);
@@ skipping 76 matching lines @@
 void AudioLogImpl::OnSwitchOutputDevice(int component_id,
                                         const std::string& device_id) {
   base::DictionaryValue dict;
   StoreComponentMetadata(component_id, &dict);
   dict.SetString("device_id", device_id);
   media_internals_->UpdateAudioLog(MediaInternals::UPDATE_IF_EXISTS,
                                    FormatCacheKey(component_id),
                                    kAudioLogUpdateFunction, &dict);
 }
 
+void AudioLogImpl::OnStatistics(int component_id,
+                                const std::string& name,
+                                int value) {
+  MediaStreamManager::SendMessageToNativeLog(
+      base::StringPrintf("%s: %d", name.c_str(), value));
+
+  // TODO(grunell): Show stats on media-internals page.
+}
+
 void AudioLogImpl::SendWebContentsTitle(int component_id,
                                         int render_process_id,
                                         int render_frame_id) {
   std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
   StoreComponentMetadata(component_id, dict.get());
   SendWebContentsTitleHelper(FormatCacheKey(component_id), std::move(dict),
                              render_process_id, render_frame_id);
 }
 
 std::string AudioLogImpl::FormatCacheKey(int component_id) {
@@ skipping 473 matching lines @@
           audio_streams_cached_data_.GetDictionary(cache_key, &existing_dict));
       existing_dict->MergeDictionary(value);
     }
   }
 
   if (CanUpdate())
     SendUpdate(SerializeUpdate(function, value));
 }
 
 }  // namespace content