Rewrite CreateBlackFrame in webrtcvideoengine.

webrtc/common_video/i420_video_frame_unittest.cc

 /*
  *  Copyright (c) 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.
  */
 
@@ skipping 11 matching lines @@
 namespace {
 
 int ExpectedSize(int plane_stride, int image_height, PlaneType type) {
   if (type == kYPlane)
     return plane_stride * image_height;
   return plane_stride * ((image_height + 1) / 2);
 }
 
 rtc::scoped_refptr<I420Buffer> CreateGradient(int width, int height) {
   rtc::scoped_refptr<I420Buffer> buffer(
-      new rtc::RefCountedObject<I420Buffer>(width, height));
+      I420Buffer::Create(width, height));
   // Initialize with gradient, Y = 128(x/w + y/h), U = 256 x/w, V = 256 y/h
   for (int x = 0; x < width; x++) {
     for (int y = 0; y < height; y++) {
       buffer->MutableDataY()[x + y * width] =
           128 * (x * height + y * width) / (width * height);
     }
   }
   int chroma_width = (width + 1) / 2;
   int chroma_height = (height + 1) / 2;
   for (int x = 0; x < chroma_width; x++) {
@@ skipping 246 matching lines @@
   EXPECT_EQ(handle, frame.video_frame_buffer()->native_handle());
 
   frame.set_timestamp(200);
   EXPECT_EQ(200u, frame.timestamp());
   frame.set_render_time_ms(20);
   EXPECT_EQ(20, frame.render_time_ms());
 }
 
 TEST(TestI420FrameBuffer, Copy) {
   rtc::scoped_refptr<I420Buffer> buf1(
-      new rtc::RefCountedObject<I420Buffer>(20, 10));
+      I420Buffer::Create(20, 10));
   memset(buf1->MutableDataY(), 1, 200);
   memset(buf1->MutableDataU(), 2, 50);
   memset(buf1->MutableDataV(), 3, 50);
   rtc::scoped_refptr<I420Buffer> buf2 = I420Buffer::Copy(buf1);
   EXPECT_TRUE(test::FrameBufsEqual(buf1, buf2));
 }
 
 TEST(TestI420FrameBuffer, Scale) {
   rtc::scoped_refptr<I420Buffer> buf = CreateGradient(200, 100);
 
   // Pure scaling, no cropping.
   rtc::scoped_refptr<I420Buffer> scaled_buffer(
-      new rtc::RefCountedObject<I420Buffer>(150, 75));
+      I420Buffer::Create(150, 75));
 
   scaled_buffer->ScaleFrom(buf);
   CheckCrop(scaled_buffer, 0.0, 0.0, 1.0, 1.0);
 }
 
 TEST(TestI420FrameBuffer, CropXCenter) {
   rtc::scoped_refptr<I420Buffer> buf = CreateGradient(200, 100);
 
   // Pure center cropping, no scaling.
   rtc::scoped_refptr<I420Buffer> scaled_buffer(
-      new rtc::RefCountedObject<I420Buffer>(100, 100));
+      I420Buffer::Create(100, 100));
 
   scaled_buffer->CropAndScaleFrom(buf, 50, 0, 100, 100);
   CheckCrop(scaled_buffer, 0.25, 0.0, 0.5, 1.0);
 }
 
 TEST(TestI420FrameBuffer, CropXNotCenter) {
   rtc::scoped_refptr<I420Buffer> buf = CreateGradient(200, 100);
 
   // Non-center cropping, no scaling.
   rtc::scoped_refptr<I420Buffer> scaled_buffer(
-      new rtc::RefCountedObject<I420Buffer>(100, 100));
+      I420Buffer::Create(100, 100));
 
   scaled_buffer->CropAndScaleFrom(buf, 25, 0, 100, 100);
   CheckCrop(scaled_buffer, 0.125, 0.0, 0.5, 1.0);
 }
 
 TEST(TestI420FrameBuffer, CropYCenter) {
   rtc::scoped_refptr<I420Buffer> buf = CreateGradient(100, 200);
 
   // Pure center cropping, no scaling.
   rtc::scoped_refptr<I420Buffer> scaled_buffer(
-      new rtc::RefCountedObject<I420Buffer>(100, 100));
+      I420Buffer::Create(100, 100));
 
   scaled_buffer->CropAndScaleFrom(buf, 0, 50, 100, 100);
   CheckCrop(scaled_buffer, 0.0, 0.25, 1.0, 0.5);
 }
 
 TEST(TestI420FrameBuffer, CropYNotCenter) {
   rtc::scoped_refptr<I420Buffer> buf = CreateGradient(100, 200);
 
   // Non-center cropping, no scaling.
   rtc::scoped_refptr<I420Buffer> scaled_buffer(
-      new rtc::RefCountedObject<I420Buffer>(100, 100));
+      I420Buffer::Create(100, 100));
 
   scaled_buffer->CropAndScaleFrom(buf, 0, 25, 100, 100);
   CheckCrop(scaled_buffer, 0.0, 0.125, 1.0, 0.5);
 }
 
 TEST(TestI420FrameBuffer, CropAndScale16x9) {
   rtc::scoped_refptr<I420Buffer> buf = CreateGradient(640, 480);
 
   // Center crop to 640 x 360 (16/9 aspect), then scale down by 2.
   rtc::scoped_refptr<I420Buffer> scaled_buffer(
-      new rtc::RefCountedObject<I420Buffer>(320, 180));
+      I420Buffer::Create(320, 180));
 
   scaled_buffer->CropAndScaleFrom(buf);
   CheckCrop(scaled_buffer, 0.0, 0.125, 1.0, 0.75);
 }
 
 }  // namespace webrtc