| // Copyright 2013 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 |
