[Experimental] MediaStreamRecorder playground

content/renderer/media/media_stream_renderer_factory_impl.cc

 // Copyright 2014 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/media_stream_renderer_factory_impl.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/renderer/media/media_stream.h"
 #include "content/renderer/media/media_stream_video_track.h"
 #include "content/renderer/media/rtc_video_renderer.h"
 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 #include "content/renderer/media/webrtc_audio_renderer.h"
 #include "content/renderer/media/webrtc_local_audio_renderer.h"
 #include "content/renderer/render_thread_impl.h"
 #include "media/base/audio_hardware_config.h"
 #include "third_party/WebKit/public/platform/WebMediaStream.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
 
+#include "third_party/WebKit/public/platform/WebMediaRecorderHandlerClient.h"
+
 namespace content {
 
 namespace {
 
+class bla : public blink::WebMediaRecorderHandlerClient {
+ public:
+  virtual void writeData(const char* data, int length, bool lastInslice) {}
+  virtual void failOutOfMemory(const blink::WebString& message) {}
+  virtual void failIllegalStreamModification(const blink::WebString& message) {}
+  virtual void failOtherRecordingError(const blink::WebString& message) {}
+};
+
 PeerConnectionDependencyFactory* GetPeerConnectionDependencyFactory() {
   return RenderThreadImpl::current()->GetPeerConnectionDependencyFactory();
 }
 
 void GetDefaultOutputDeviceParams(
     int* output_sample_rate, int* output_buffer_size) {
   // Fetch the default audio output hardware config.
   media::AudioHardwareConfig* hardware_config =
       RenderThreadImpl::current()->GetAudioHardwareConfig();
   *output_sample_rate = hardware_config->GetOutputSampleRate();
@@ skipping 87 matching lines @@
   DVLOG(1) << "MediaStreamRendererFactoryImpl::GetVideoFrameProvider stream:"
            << base::UTF16ToUTF8(web_stream.id());
 
   blink::WebVector<blink::WebMediaStreamTrack> video_tracks;
   web_stream.videoTracks(video_tracks);
   if (video_tracks.isEmpty() ||
       !MediaStreamVideoTrack::GetTrack(video_tracks[0])) {
     return NULL;
   }
 
+  media_recorder_handler_.initialize(new bla(), web_stream, blink::WebString());
+  media_recorder_handler_.start();
+
   return new RTCVideoRenderer(video_tracks[0], error_cb, repaint_cb);
 }
 
 scoped_refptr<MediaStreamAudioRenderer>
 MediaStreamRendererFactoryImpl::GetAudioRenderer(const GURL& url,
                                              int render_frame_id) {
   blink::WebMediaStream web_stream =
       blink::WebMediaStreamRegistry::lookupMediaStreamDescriptor(url);
 
   if (web_stream.isNull() || !web_stream.extraData())
@@ skipping 41 matching lines @@
 
     if (renderer.get() && !audio_device->SetAudioRenderer(renderer.get()))
       renderer = NULL;
   }
 
   return renderer.get() ?
       renderer->CreateSharedAudioRendererProxy(stream) : NULL;
 }
 
 }  // namespace content