/// <summary>
/// Calculates remaining and elapsed time.
/// </summary>
/// <param name="currentFrame">Frame number.</param>
public Tuple <TimeSpan, TimeSpan> GetTimeElapsed(int currentFrame)
{
var timeLeft = new TimeSpan();
var now = DateTime.Now.Ticks;
if (_previousTime != 0)
{
if (_averageTicks == 0)
{
_startTime = now;
_averageTicks = now - _previousTime;
timeLeft = new TimeSpan(_averageTicks * (_numberOfFrames - currentFrame - 1));
}
else
{
var delta = FastUtils.FastAbs((int)(_averageTicks - (now - _previousTime)));
if (delta > 250000 && delta < 1500000)
{
_averageTicks = (_averageTicks + (now - _previousTime)) / 2;
}
timeLeft = new TimeSpan(_averageTicks * (_numberOfFrames - currentFrame - 1));
}
}
_previousTime = now;
return(new Tuple <TimeSpan, TimeSpan>(timeLeft, new TimeSpan(now - _startTime)));
}
public void ReportFastTime(int currentFrame)
{
var timeLeft = new TimeSpan();
var now = DateTime.Now.Ticks;
if (_previousTime != 0)
{
if (_averageTicks == 0)
{
_startTime = now;
_averageTicks = now - _previousTime;
timeLeft = new TimeSpan(_averageTicks * (_numberOfFrames - currentFrame - 1));
}
else
{
var delta = FastUtils.FastAbs((int)(_averageTicks - (now - _previousTime)));
if (delta > 250000 && delta < 1500000)
{
_averageTicks = (_averageTicks + (now - _previousTime)) / 2;
}
timeLeft = new TimeSpan(_averageTicks * (_numberOfFrames - currentFrame - 1));
}
}
Console.Write($"\rProgress: {Math.Round((double)currentFrame / (_numberOfFrames - 1) * 100, 2)}%, Time left: {timeLeft}, Frame: {currentFrame + 1}/{_numberOfFrames} ");
if (currentFrame + 1 == _numberOfFrames)
{
Console.WriteLine($"\nDone. Total time elapsed: {new TimeSpan(now - _startTime)}");
ResetAverageTime();
}
_previousTime = now;
}
private static void DrawImage(PictureBox pictureBox, Bitmap image)
{
var res = new Bitmap(pictureBox.Width, pictureBox.Height);
var graphics = Graphics.FromImage(res);
graphics.DrawImage(FastUtils.ScaleImage(image, pictureBox.Width, pictureBox.Height, false, true), 0, 0);
pictureBox.Image = res;
}
private static void PhotoFinish(VideoFileReader reader, VideoFileWriter writer, BackgroundWorker renderWorker)
{
var numberOfFrames = (int)reader.FrameCount;
var width = reader.Width;
var height = reader.Height;
if (numberOfFrames > width) //if user want -> fit to original width
{
numberOfFrames = width;
}
//writer.Width = numberOfFrames; //rewrite for change resolution, open file in method
for (var x = 0; x < width; x++)
{
var convertedBitmap = new FastBitmap(new Bitmap(numberOfFrames, height)); //photofinish одновременная обработка нескольких кадров
convertedBitmap.LockBits();
for (var f = 0; f < numberOfFrames; f++)
{
FastBitmap currentBitmap;
try
{
currentBitmap = new FastBitmap(reader.ReadVideoFrame(f));
}
catch (Exception ignored)
{
break;
}
currentBitmap.LockBits();
for (var y = 0; y < height; y++)
{
convertedBitmap.SetPixel(f, y, currentBitmap.GetPixel(x, y));
}
currentBitmap.DisposeSource();
}
convertedBitmap.UnlockBits();
writer.WriteVideoFrame(convertedBitmap.GetSource());
AppForm.PreviewBitmap = (Bitmap)convertedBitmap.GetSource().Clone();
convertedBitmap.DisposeSource();
renderWorker.ReportProgress(FastUtils.FastRoundInt(x * 1000.0 / width));
}
}
private static void OpenFileButtonHandler()
{
if (OpenFile.ShowDialog() != DialogResult.OK)
{
return;
}
Reader.Close(); // close prev videos
Reader.Dispose();
Reader = new VideoFileReader();
Writer.Close();
Writer.Dispose();
Writer = new VideoFileWriter();
VideoName = ("" + OpenFile.SafeFileName).Replace("" + Path.GetExtension(OpenFile.FileName), "");
VideoPath = Path.GetDirectoryName(OpenFile.FileName) + @"\";//задаем название и путь к файлу
VideoExtension = Path.GetExtension(OpenFile.FileName);
ChosenFile.Text = OpenFile.FileName;
Reader.Open(OpenFile.FileName); //открываем файл
Writer.BitRate = Reader.BitRate; //конфигурируем writer
Writer.VideoCodec = VideoCodec.Mpeg4; //Reader videoCodec
Writer.FrameRate = Reader.FrameRate;
Writer.Height = Reader.Height;
Writer.Width = Reader.Width;
Writer.Open(GetNameToSave(VideoPath, VideoName, VideoExtension));
TimeLine.Value = 0; //настраиваем временную линию
TimeLine.Maximum = (int)Reader.FrameCount;
TimeLine.TickFrequency = FastUtils.FastRoundInt((double)Reader.FrameRate);
TimeLineEnd.Text = TimeSpan.FromSeconds(Reader.FrameCount / (double)Reader.FrameRate).ToString(@"hh\:mm\:ss\.ff");
Distorter.ResetMaxMinValues();
DrawImage(PreviewPictureBox, //if enable start button? because multiplierFrom can be bad
Distorter.RunOneFrame(Reader, 0, MultiplierFrom, MultiplierTo, Function
, PreviewPictureBox.Width, PreviewPictureBox.Height)); //рисуем 0 кадр
EnableStartButton(StartButton, TimeLine); //пробуем включить кнопку старт
}
public static void Run(string videoPath, string videoName)
{
var reader = new VideoFileReader();
reader.Open(videoPath + videoName);
var writer = new VideoFileWriter();
var numberOfFrames = (int)reader.FrameCount;
var probeBitmap = new FastBitmap(reader.ReadVideoFrame(0));
probeBitmap.LockBits();
var maxValues = CalcMaxValues(probeBitmap.Width, probeBitmap.Height);
var maxX = maxValues.Item1;
var maxY = maxValues.Item2;
//Console.WriteLine($"{maxX}:{maxY}");
writer.Height = probeBitmap.Height;
writer.Width = probeBitmap.Width;
writer.FrameRate = 30;
writer.VideoCodec = VideoCodec.Mpeg4;
writer.BitRate = reader.BitRate;
writer.Open(videoPath + "out.avi");
for (var t = 70; t < numberOfFrames; t++)
{
var convertedBitmap = new FastBitmap(new Bitmap(probeBitmap.Width, probeBitmap.Height));
FastBitmap currentBitmap;
try
{
currentBitmap = new FastBitmap(reader.ReadVideoFrame(t));
}
catch (Exception ignored)
{
break;
}
convertedBitmap.LockBits();
currentBitmap.LockBits();
for (var x = 0; x < probeBitmap.Width; x++)
{
for (var y = 0; y < probeBitmap.Height; y++)
{
var pixel = ConvertToPolar(x - probeBitmap.Width / 2, y - probeBitmap.Height / 2);
var convX = FastUtils.FastAbs((int)(pixel.Item2 / maxY * (probeBitmap.Width - 1)));
var convY = FastUtils.FastAbs((int)(pixel.Item1 / maxX * (probeBitmap.Height - 1)));
convertedBitmap.SetPixel(convX, convY, currentBitmap.GetPixel(x, y));
}
}
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < 4; i++)
{
convertedBitmap = CompleteBitmap(convertedBitmap);
}
sw.Stop();
Console.WriteLine(sw.Elapsed);
currentBitmap.UnlockBits();
currentBitmap.DisposeSource();
convertedBitmap.GetSource().Save(videoPath + "test.png");
break;
//convertedBitmap.RotateFlip(RotateFlipType.RotateNoneFlipX);
writer.WriteVideoFrame(convertedBitmap.GetSource());
convertedBitmap.DisposeSource();
}
probeBitmap.UnlockBits();
writer.Flush();
}