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// 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 with noise.
void PopulateVideoFrameWithNoise(VideoFrame* frame);
// 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