public static void CreateMovie(FFMpegCreateMovieTask task)
{
task.Normalize();
Directory.CreateDirectory(task.WorkingFolder);
var convert = new FFMpegConvertTask();
convert.SourceFile = task.SourceFile;
convert.Height = task.Height;
convert.Width = task.Width;
convert.StartTime = task.StartTime;
convert.Duration = task.Duration;
convert.TargetFile = Path.Combine(task.WorkingFolder, task.TmpFileBasis + "rawmovie.mp4");
Convert(convert);
var splitter = new FFMpegVideoSplitTask();
splitter.SourceFile = convert.TargetFile;
splitter.Frames = task.Frames;
splitter.FileNameBase = task.TmpFileBasis;
splitter.WorkingFolder = task.WorkingFolder;
Split(splitter);
var joiner = new FFMpegVideoJoinTask();
joiner.TargetFile = task.TargetFile;
joiner.FileNameBase = task.TmpFileBasis;
joiner.JoinFileName = task.TmpFileBasis + "movieset.tmp";
joiner.WorkingFolder = task.WorkingFolder;
Join(joiner);
}
public static void Convert(FFMpegConvertTask task)
{
var handler = new ConsoleApplicationHandler();
handler.ExePath = EnvironmentInfo.GetExecutablePath("ffmpeg");
var sb = new StringBuilder();
sb.Append(" -i ");
sb.Append(task.SourceFile);
sb.Append(" -acodec aac -strict -2 -b:a 128k -vcodec libx264 -b:v 1200k -y ");
if (task.Height != 0 && task.Width != 0)
{
sb.Append(" -s ");
sb.Append(task.Width);
sb.Append("x");
sb.Append(task.Height);
}
sb.Append(" -ss ");
sb.Append(task.StartTime);
sb.Append(" -t ");
if (task.Duration.TotalMilliseconds < 100)
{
sb.Append("05:00:00");
}
else
{
sb.Append(task.Duration);
}
sb.Append(" -flags +aic+mv4 ");
sb.Append(" \"");
sb.Append(task.TargetFile);
sb.Append("\"");
handler.Arguments = sb.ToString();
var result = handler.RunSync();
if (!result.IsOK)
{
throw new Exception(result.Output + result.Error, result.Exception);
}
}
public static void Split(FFMpegVideoSplitTask splitter)
{
if (string.IsNullOrWhiteSpace(splitter.WorkingFolder))
{
splitter.WorkingFolder = Path.GetDirectoryName(splitter.SourceFile);
}
Directory.CreateDirectory(splitter.WorkingFolder);
for (var i = 0; i < splitter.Frames.Count; i++)
{
var frame = splitter.Frames[i];
var num = (i + 1).ToString("00");
var filename = splitter.FileNameBase + num + ".mp4";
var convert = new FFMpegConvertTask {
SourceFile = splitter.SourceFile,
TargetFile = Path.Combine(splitter.WorkingFolder, filename),
StartTime = frame.StartTime,
Duration = frame.Duration,
Width = splitter.Width,
Height = splitter.Height
};
Convert(convert);
}
}
