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);
}
private static string CreateConcatFile(FFMpegVideoJoinTask joiner)
{
var dir = joiner.WorkingFolder;
var tmpfile = joiner.JoinFileName;
if (string.IsNullOrWhiteSpace(tmpfile))
{
if (!string.IsNullOrWhiteSpace(dir))
{
tmpfile = Path.Combine(dir, "join-config.tmp");
if (File.Exists(tmpfile))
{
tmpfile = Path.Combine(dir, "join-config-" + Environment.TickCount + ".tmp");
}
}
else
{
tmpfile = Path.GetTempFileName();
}
}
else
{
if (!Path.IsPathRooted(tmpfile))
{
if (string.IsNullOrWhiteSpace(dir))
{
dir = Environment.CurrentDirectory;
}
tmpfile = Path.Combine(dir, tmpfile);
}
}
if (null != joiner.FileList && 0 != joiner.FileList.Length)
{
File.AppendAllLines(tmpfile, joiner.FileList.Select(_ => "file " + _.Replace("\\", "/")));
}
else
{
if (string.IsNullOrWhiteSpace(dir))
{
dir = Environment.CurrentDirectory;
}
var files = Directory.GetFiles(dir, joiner.FileNameBase + "*.mp4");
files =
files.Where(
_ =>
Regex.IsMatch(Path.GetFileNameWithoutExtension(_),
joiner.FileNameBase + "\\d{" + joiner.DigitCount + "}")).ToArray();
files = files.OrderBy(_ => Path.GetFileNameWithoutExtension(_)).ToArray();
File.AppendAllLines(tmpfile, files.Select(_ => "file " + _.Replace("\\", "/")));
}
return(tmpfile);
}
public static void Join(FFMpegVideoJoinTask joiner)
{
var joinfile = CreateConcatFile(joiner);
var handler = new ConsoleApplicationHandler();
handler.ExePath = EnvironmentInfo.GetExecutablePath("ffmpeg");
var sb = new StringBuilder();
sb.Append(" -f concat");
sb.Append(" -i \"" + joinfile + "\" ");
sb.Append(" -c copy ");
sb.Append(" \"");
sb.Append(joiner.TargetFile);
sb.Append("\"");
handler.Arguments = sb.ToString();
var result = handler.RunSync();
if (!result.IsOK)
{
throw new Exception(result.Output + result.Error, result.Exception);
}
}