New method CreateScaledFrame in the VideoFrameFactory interface.

webrtc/media/engine/webrtcvideoframefactory_unittest.cc

 /*
  *  Copyright (c) 2015 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.
  */
 
@@ skipping 74 matching lines @@
 
     // Reset the frame first so it's exclusive hence we could go through the
     // StretchToFrame code path in CreateAliasedFrame.
     frame.reset();
     frame.reset(factory.CreateAliasedFrame(
         &captured_frame, new_width, new_height, new_width / 2, new_height / 2));
     VerifyFrame(frame.get(), webrtc::kVideoRotation_270, new_width / 2,
                 new_height / 2, apply_rotation);
   }
 
+  void TestCreateScaledFrame(bool apply_rotation) {
+    cricket::VideoFrameFactory& factory = factory_;
+    factory.SetApplyRotation(apply_rotation);
+    InitFrame(webrtc::kVideoRotation_270);
+    const cricket::CapturedFrame& captured_frame = get_captured_frame();
+    // Create the new frame from the CapturedFrame.
+    std::unique_ptr<cricket::VideoFrame> frame;
+    int new_width = captured_frame.width / 2;
+    int new_height = captured_frame.height / 2;
+    frame = factory.CreateScaledFrame(&captured_frame, new_width, new_height);
+    VerifyFrame(frame.get(), webrtc::kVideoRotation_270, new_width, new_height,
+                apply_rotation);
+
+    frame = factory.CreateScaledFrame(&captured_frame,
+                                      new_width / 2, new_height / 2);
+    VerifyFrame(frame.get(), webrtc::kVideoRotation_270, new_width / 2,
+                new_height / 2, apply_rotation);
+  }
   const cricket::CapturedFrame& get_captured_frame() { return captured_frame_; }
 
  private:
   cricket::CapturedFrame captured_frame_;
   std::unique_ptr<uint8_t[]> captured_frame_buffer_;
   cricket::WebRtcVideoFrameFactory factory_;
 };
 
-TEST_F(WebRtcVideoFrameFactoryTest, NoApplyRotation) {
+TEST_F(WebRtcVideoFrameFactoryTest, CreateAliasedFrameNoApplyRotation) {
   TestCreateAliasedFrame(false);
 }
 
-TEST_F(WebRtcVideoFrameFactoryTest, ApplyRotation) {
+TEST_F(WebRtcVideoFrameFactoryTest, CreateAliasedFrameApplyRotation) {
   TestCreateAliasedFrame(true);
 }
+
+TEST_F(WebRtcVideoFrameFactoryTest, CreateScaledFrameNoApplyRotation) {
+  TestCreateScaledFrame(false);
+}
+
+TEST_F(WebRtcVideoFrameFactoryTest, CreateScaledFrameApplyRotation) {
+  TestCreateScaledFrame(true);
+}