// Copyright 2014 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Utility functions for video testing. #include "media/base/video_frame.h" namespace media { namespace cast { // Compute and return PSNR between two frames. double I420PSNR(const scoped_refptr<media::VideoFrame>& frame1, const scoped_refptr<media::VideoFrame>& frame2); // Populate a video frame with values starting with the given start value. // Width, height and stride should be set in advance. // Memory is allocated within the function. void PopulateVideoFrame(VideoFrame* frame, int start_value); // Populate a video frame from a file. // Returns true if frame was populated, false if not (EOF). bool PopulateVideoFrameFromFile(VideoFrame* frame, FILE* video_file); } // namespace cast } // namespace media