Add MediaStreamSource frame rate calculation to the tracker.

content/renderer/media/webrtc/video_destination_handler.cc

 // Copyright (c) 2013 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/renderer/media/webrtc/video_destination_handler.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/logging.h"
 #include "base/rand_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/renderer/media/media_stream.h"
 #include "content/renderer/media/media_stream_registry_interface.h"
 #include "content/renderer/media/media_stream_video_track.h"
 #include "content/renderer/pepper/ppb_image_data_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "media/video/capture/video_capture_types.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
 #include "third_party/libyuv/include/libyuv/convert.h"
 #include "url/gurl.h"
 
 namespace content {
 
+const char kTypeName[] = "Pepper Plugin";
+
 class PpFrameWriter::FrameWriterDelegate
     : public base::RefCountedThreadSafe<FrameWriterDelegate> {
  public:
   FrameWriterDelegate(
       const scoped_refptr<base::MessageLoopProxy>& io_message_loop_proxy,
       const VideoCaptureDeliverFrameCB& new_frame_callback);
 
   void DeliverFrame(const scoped_refptr<media::VideoFrame>& frame,
                     const media::VideoCaptureFormat& format);
  private:
@@ skipping 63 matching lines @@
   DCHECK(!delegate_.get());
   DVLOG(3) << "PpFrameWriter::StartSourceImpl()";
   delegate_ = new FrameWriterDelegate(io_message_loop(), frame_callback);
   OnStartDone(MEDIA_DEVICE_OK);
 }
 
 void PpFrameWriter::StopSourceImpl() {
   DCHECK(CalledOnValidThread());
 }
 
+std::string PpFrameWriter::TypeName() const {
+  return kTypeName;
+}
+
 void PpFrameWriter::PutFrame(PPB_ImageData_Impl* image_data,
                              int64 time_stamp_ns) {
   DCHECK(CalledOnValidThread());
   DVLOG(3) << "PpFrameWriter::PutFrame()";
 
   if (!image_data) {
     LOG(ERROR) << "PpFrameWriter::PutFrame - Called with NULL image_data.";
     return;
   }
   ImageDataAutoMapper mapper(image_data);
@@ skipping 107 matching lines @@
 
   stream.addTrack(MediaStreamVideoTrack::CreateVideoTrack(
       writer, constraints, MediaStreamVideoSource::ConstraintsCallback(),
       track_enabled));
 
   *frame_writer = new PpFrameWriterProxy(writer->AsWeakPtr());
   return true;
 }
 
 }  // namespace content