media/cast/test/video_utility.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Utility functions for video testing.
   6
   7 #include "media/cast/cast_config.h"
   8
   9 namespace media {
  10 namespace cast {
  11
  12 // Compute and return PSNR between two frames.
  13 double I420PSNR(const I420VideoFrame& frame1, const I420VideoFrame& frame2);
  14
  15 // Populate a video frame with values starting with the given start value.
  16 // Width, height and stride should be set in advance.
  17 // Memory is allocated within the function.
  18 void PopulateVideoFrame(I420VideoFrame* frame, int start_value);
  19
  20 }  // namespace cast
  21 }  // namespace media