New static I420Buffer::Rotate method, to replace GetCopyWithRotationApplied.

webrtc/examples/peerconnection/client/linux/main_wnd.cc

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/examples/peerconnection/client/linux/main_wnd.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 #include <stddef.h>
 
 #include "webrtc/examples/peerconnection/client/defaults.h"
 #include "webrtc/base/common.h"
 #include "webrtc/base/logging.h"
 #include "webrtc/base/stringutils.h"
+#include "webrtc/media/engine/webrtcvideoframe.h"
 
 using rtc::sprintfn;
 
 namespace {
 
 //
 // Simple static functions that simply forward the callback to the
 // GtkMainWnd instance.
 //
 
@@ skipping 446 matching lines @@
   width_ = width;
   height_ = height;
   image_.reset(new uint8_t[width * height * 4]);
   gdk_threads_leave();
 }
 
 void GtkMainWnd::VideoRenderer::OnFrame(
     const cricket::VideoFrame& video_frame) {
   gdk_threads_enter();
 
-  const cricket::VideoFrame* frame = video_frame.GetCopyWithRotationApplied();
+  const cricket::WebRtcVideoFrame frame(
+      webrtc::I420Buffer::Rotate(video_frame.video_frame_buffer(),
+                                 video_frame.rotation()),
+      webrtc::kVideoRotation_0, video_frame.timestamp_us());
 
-  SetSize(frame->width(), frame->height());
+  SetSize(frame.width(), frame.height());
 
   int size = width_ * height_ * 4;
   // TODO(henrike): Convert directly to RGBA
-  frame->ConvertToRgbBuffer(cricket::FOURCC_ARGB,
-                            image_.get(),
-                            size,
-                            width_ * 4);
+  frame.ConvertToRgbBuffer(cricket::FOURCC_ARGB,
+                           image_.get(),
+                           size,
+                           width_ * 4);
   // Convert the B,G,R,A frame to R,G,B,A, which is accepted by GTK.
   // The 'A' is just padding for GTK, so we can use it as temp.
   uint8_t* pix = image_.get();
   uint8_t* end = image_.get() + size;
   while (pix < end) {
     pix[3] = pix[0];     // Save B to A.
     pix[0] = pix[2];  // Set Red.
     pix[2] = pix[3];  // Set Blue.
     pix[3] = 0xFF;     // Fixed Alpha.
     pix += 4;
   }
 
   gdk_threads_leave();
 
   g_idle_add(Redraw, main_wnd_);
 }