Make cricket::VideoCapturer implement VideoSourceInterface

talk/media/base/fakevideocapturer.h

 /*
  * libjingle
  * Copyright 2004 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 16 matching lines @@
 
 #ifndef TALK_MEDIA_BASE_FAKEVIDEOCAPTURER_H_
 #define TALK_MEDIA_BASE_FAKEVIDEOCAPTURER_H_
 
 #include <string.h>
 
 #include <vector>
 
 #include "talk/media/base/videocapturer.h"
 #include "talk/media/base/videocommon.h"
-#include "talk/media/base/videoframe.h"
+#include "talk/media/webrtc/webrtcvideoframe.h"
 #include "webrtc/base/timeutils.h"
 #ifdef HAVE_WEBRTC_VIDEO
 #include "talk/media/webrtc/webrtcvideoframefactory.h"
 #endif
 
 namespace cricket {
 
 // Fake video capturer that allows the test to manually pump in frames.
 class FakeVideoCapturer : public cricket::VideoCapturer {
  public:
@@ skipping 77 matching lines @@
     memset(reinterpret_cast<uint8_t*>(frame.data) + (size / 2), 2,
            size - (size / 2));
     memcpy(frame.data, reinterpret_cast<const uint8_t*>(&fourcc), 4);
     frame.rotation = rotation_;
     // TODO(zhurunz): SignalFrameCaptured carry returned value to be able to
     // capture results from downstream.
     SignalFrameCaptured(this, &frame);
     return true;
   }
 
+  void SetTime(int64_t t) {
+    next_timestamp_ = t;
+  }
+  // Helper function to generate a new frame and send it directly to
+  // |sink|, without using cricket::CapturedFrame SignalFrameCaptured.
+  void SendFrame(rtc::VideoSinkInterface<cricket::VideoFrame>* sink) {
+    int width = GetCaptureFormat()->width;
+    int height = GetCaptureFormat()->height;
+
+    rtc::scoped_refptr<webrtc::VideoFrameBuffer> buffer =
+      new rtc::RefCountedObject<webrtc::I420Buffer>(width, height);
+
+    memset(buffer->MutableData(webrtc::kYPlane), 1, width * height);
+    memset(buffer->MutableData(webrtc::kUPlane), 2,
+           (height+1)/2 * buffer->stride(webrtc::kUPlane));
+    memset(buffer->MutableData(webrtc::kVPlane), 3,
+           (height+1)/2 * buffer->stride(webrtc::kVPlane));
+
+    sink->OnFrame(WebRtcVideoFrame(buffer,
+                                   initial_unix_timestamp_ + next_timestamp_,
+                                   rotation_));
+
+    next_timestamp_ += GetCaptureFormat()->interval;
+  }
+
   void SignalCapturedFrame(cricket::CapturedFrame* frame) {
     SignalFrameCaptured(this, frame);
   }
 
   sigslot::signal1<FakeVideoCapturer*> SignalDestroyed;
 
   virtual cricket::CaptureState Start(const cricket::VideoFormat& format) {
     cricket::VideoFormat supported;
     if (GetBestCaptureFormat(format, &supported)) {
       SetCaptureFormat(&supported);
@@ skipping 28 matching lines @@
   bool running_;
   int64_t initial_unix_timestamp_;
   int64_t next_timestamp_;
   bool is_screencast_;
   webrtc::VideoRotation rotation_;
 };
 
 }  // namespace cricket
 
 #endif  // TALK_MEDIA_BASE_FAKEVIDEOCAPTURER_H_