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
}
