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.
5 // Utility functions for video testing.
7 #include "media/base/video_frame.h"
12 // Compute and return PSNR between two frames.
13 double I420PSNR(const scoped_refptr<media::VideoFrame>& frame1,
14 const scoped_refptr<media::VideoFrame>& frame2);
16 // Populate a video frame with values starting with the given start value.
17 // Width, height and stride should be set in advance.
18 // Memory is allocated within the function.
19 void PopulateVideoFrame(VideoFrame* frame, int start_value);
21 // Populate a video frame from a file.
22 // Returns true if frame was populated, false if not (EOF).
23 bool PopulateVideoFrameFromFile(VideoFrame* frame, FILE* video_file);