Log PipelineImpl events to MediaLog.

media/base/media_log.cc

Index: media/base/media_log.cc
diff --git a/media/base/media_log.cc b/media/base/media_log.cc
index 6bcbcd710bda8cbe9c8a44edd41ee030e116ebdc..ea5ba003e67b5bb038cc76343eddc3bfd5e047f6 100644
--- a/media/base/media_log.cc
+++ b/media/base/media_log.cc
@@ -6,6 +6,7 @@
 
 #include "base/atomic_sequence_num.h"
 #include "base/logging.h"
+#include "base/values.h"
 
 namespace media {
 
@@ -15,16 +16,61 @@ static base::AtomicSequenceNumber media_log_count(base::LINKER_INITIALIZED);
 
 const char* MediaLog::EventTypeToString(MediaLogEvent::Type type) {
   switch (type) {
-    case MediaLogEvent::CREATING:
-      return "CREATING";
-    case MediaLogEvent::DESTROYING:
-      return "DESTROYING";
+    case MediaLogEvent::WEBMEDIAPLAYER_CREATED:
+      return "WEBMEDIAPLAYER_CREATED";
+    case MediaLogEvent::WEBMEDIAPLAYER_DESTROYED:
+      return "WEBMEDIAPLAYER_DESTROYED";
+    case MediaLogEvent::PIPELINE_CREATED:
+      return "PIPELINE_CREATED";
+    case MediaLogEvent::PIPELINE_DESTROYED:
+      return "PIPELINE_DESTROYED";
     case MediaLogEvent::LOAD:
       return "LOAD";
+    case MediaLogEvent::SEEK:
+      return "SEEK";
     case MediaLogEvent::PLAY:
       return "PLAY";
     case MediaLogEvent::PAUSE:
       return "PAUSE";
+    case MediaLogEvent::PIPELINE_STATE_CHANGED:
+      return "PIPELINE_STATE_CHANGED";
+  }
+  NOTREACHED();
+  return NULL;
+}
+
+const char* MediaLog::PipelineStateToString(PipelineImpl::State state) {
+  switch (state) {
+    case PipelineImpl::kCreated:
+      return "created";
+    case PipelineImpl::kInitDemuxer:
+      return "initDemuxer";
+    case PipelineImpl::kInitAudioDecoder:
+      return "initAudioDecoder";
+    case PipelineImpl::kInitAudioRenderer:
+      return "initAudioRenderer";
+    case PipelineImpl::kInitVideoDecoder:
+      return "initVideoDecoder";
+    case PipelineImpl::kInitVideoRenderer:
+      return "initVideoRenderer";
+    case PipelineImpl::kPausing:
+      return "pausing";
+    case PipelineImpl::kSeeking:
+      return "seeking";
+    case PipelineImpl::kFlushing:
+      return "flushing";
+    case PipelineImpl::kStarting:
+      return "starting";
+    case PipelineImpl::kStarted:
+      return "started";
+    case PipelineImpl::kEnded:
+      return "ended";
+    case PipelineImpl::kStopping:
+      return "stopping";
+    case PipelineImpl::kStopped:
+      return "stopped";
+    case PipelineImpl::kError:
+      return "error";
   }
   NOTREACHED();
   return NULL;
@@ -42,6 +88,18 @@ void MediaLog::Load(const std::string& url) {
   AddEvent(event);
 }
 
+void MediaLog::Seek(float seconds) {
+  MediaLogEvent* event = CreateEvent(MediaLogEvent::SEEK);
+  event->params.SetDouble("seek_target", seconds);
+  AddEvent(event);
+}
+
+void MediaLog::SetPipelineState(PipelineImpl::State state) {
+  MediaLogEvent* event = CreateEvent(MediaLogEvent::PIPELINE_STATE_CHANGED);
+  event->params.SetString("pipeline_state", PipelineStateToString(state));
+  AddEvent(event);
+}
+
 void MediaLog::AddEventOfType(MediaLogEvent::Type type) {
   MediaLogEvent* event = CreateEvent(type);
   AddEvent(event);