private void EnsureInputLoaded()
{
if (input == null)
{
input = YuvEncoder.Decode(Size.Width, Size.Height, FileName.Path, LogFileName.Path, MotionVectorFileName.Path);
}
}
public void TestVideoFunctionality()
{
int width = 352;
int height = 240;
string videoName = @"..\..\..\..\resources\americanFootball_352x240_125.yuv"; // be sure to adjust this beforehand
string logFileName = @"..\..\..\..\resources\ModeGrid_AmFootball_OUR.dat";
string motionVectorFileName = @"..\..\..\..\resources\motion_info\motion_info_football_qp20.csv";
string saveName = @"..\..\..\..\output\";
// leave the file extension away
YuvEncoder.Video video = YuvEncoder.Decode(width, height, videoName, logFileName, motionVectorFileName);
// Don't expect this to work if the filename doesn't happen to be formatted
// just the right way
Assert.Equal(video.FrameCount, int.Parse(videoName.Substring(videoName.Length - 7, 3)));
// Test video and frame indexer
Assert.Equal(new Rgb(0, 0, 0), video[0].GetPixelOrBlack(-1, -1));
// obviously, this is only true if the video is either very large and black or not that large
Assert.Equal(new Rgb(0, 0, 0), video[0].GetPixelOrBlack(9999999, 9999999));
Assert.Equal(video[0][0, 0], video[0].GetPixelOrBlack(0, 0));
Bitmap bmp;
// I test the first and last three frames
for (int i = 0; i < 3; i++)
{
bmp = FrameToBitmap(video[i]);
bmp.Save(saveName + i.ToString() + ".png");
}
for (int i = video.FrameCount - 4; i < video.FrameCount; i++)
{
bmp = FrameToBitmap(video[i]);
bmp.Save(saveName + i.ToString() + ".png");
}
}
public void TestYuvEncoder()
{
int width = 352;
int height = 240;
string fileName = "..\\..\\..\\..\\resources\\americanFootball_352x240_125.yuv"; // be sure to adjust this beforehand
string saveName = "..\\..\\..\\..\\output\\yuvencoder-output_352x240_125.yuv"; // warning, depending on the file, this produces a lot of images
YuvEncoder.Video video = new YuvEncoder.Video(new YuvKA.VideoModel.Size(width, height), fileName, null, null);
IEnumerable <Frame> frameList = Enumerable.Range(0, video.FrameCount).Select(i => video[i]);
YuvEncoder.Encode(saveName, frameList);
}
public void YuvEncoderSpeedtest()
{
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
int width = 352;
int height = 240;
string fileName = "..\\..\\..\\..\\resources\\americanFootball_352x240_125.yuv";
YuvEncoder.Video video = new YuvEncoder.Video(new YuvKA.VideoModel.Size(width, height), fileName, null, null);
Frame notLazy;
for (int i = 0; i < 125; i++)
{
notLazy = video[i];
}
System.Console.WriteLine(stopWatch.ElapsedMilliseconds + "ms");
}
protected override void OnSizeChanged()
{
base.OnSizeChanged();
input = null;
}