public override async Task <ResultType> Run(CancellationToken cancellationToken)
{
JobStatus = VideoJobStatus.Running;
Status = "Checking files...";
if (cancellationToken.IsCancellationRequested)
{
return(ResultType.Cancelled);
}
string file = VideoInfo.VideoId;
string path = Path.GetDirectoryName(file);
string name = Path.GetFileNameWithoutExtension(file);
List <string> ffmpegOptions;
string postfixOld;
string postfixNew;
string outputformat;
if (VideoInfo is FFMpegReencodeJobVideoInfo)
{
FFMpegReencodeJobVideoInfo ffvi = VideoInfo as FFMpegReencodeJobVideoInfo;
ffmpegOptions = ffvi.FFMpegOptions;
postfixOld = ffvi.PostfixOld;
postfixNew = ffvi.PostfixNew;
outputformat = ffvi.OutputFormat;
}
else
{
ffmpegOptions = new List <string>()
{
"-c:v", "libx264",
"-preset", "slower",
"-crf", "23",
"-g", "2000",
"-c:a", "copy",
"-max_muxing_queue_size", "100000",
};
postfixOld = "_chunked";
postfixNew = "_x264crf23";
outputformat = "mp4";
}
string ext = "." + outputformat;
string chunked = postfixOld;
string postfix = postfixNew;
string newfile = Path.Combine(path, postfix, name.Substring(0, name.Length - chunked.Length) + postfix + ext);
string newfileinlocal = Path.Combine(path, name.Substring(0, name.Length - chunked.Length) + postfix + ext);
string tempfile = Path.Combine(path, name.Substring(0, name.Length - chunked.Length) + postfix + "_TEMP" + ext);
string chunkeddir = Path.Combine(path, chunked);
string postfixdir = Path.Combine(path, postfix);
string oldfileinchunked = Path.Combine(chunkeddir, Path.GetFileName(file));
FFProbeResult probe = null;
string encodeinput = null;
if (await Util.FileExists(file))
{
probe = await FFMpegUtil.Probe(file);
encodeinput = file;
}
else if (await Util.FileExists(oldfileinchunked))
{
probe = await FFMpegUtil.Probe(oldfileinchunked);
encodeinput = oldfileinchunked;
}
if (probe != null)
{
VideoInfo = new FFMpegReencodeJobVideoInfo(file, probe, ffmpegOptions, postfixOld, postfixNew, outputformat);
}
// if the input file doesn't exist we might still be in a state where we can set this to finished if the output file already exists, so continue anyway
bool newfileexists = await Util.FileExists(newfile);
bool newfilelocalexists = await Util.FileExists(newfileinlocal);
if (!newfileexists && !newfilelocalexists)
{
if (encodeinput == null)
{
// neither input nor output exist, bail
Status = "Missing!";
return(ResultType.Failure);
}
if (await Util.FileExists(tempfile))
{
await Util.DeleteFile(tempfile);
}
if (cancellationToken.IsCancellationRequested)
{
return(ResultType.Cancelled);
}
Status = "Encoding " + newfile + "...";
await StallWrite(newfile, new FileInfo( encodeinput ).Length, cancellationToken);
if (cancellationToken.IsCancellationRequested)
{
return(ResultType.Cancelled);
}
Directory.CreateDirectory(postfixdir);
FFMpegReencodeJobVideoInfo ffmpegVideoInfo = VideoInfo as FFMpegReencodeJobVideoInfo;
await Reencode(newfile, encodeinput, tempfile, ffmpegVideoInfo.FFMpegOptions);
}
if (!newfileexists && newfilelocalexists)
{
Directory.CreateDirectory(postfixdir);
File.Move(newfileinlocal, newfile);
}
if (await Util.FileExists(file) && !await Util.FileExists(oldfileinchunked))
{
Directory.CreateDirectory(chunkeddir);
File.Move(file, oldfileinchunked);
}
Status = "Done!";
JobStatus = VideoJobStatus.Finished;
return(ResultType.Success);
}
public async static Task <List <IVideoInfo> > FetchReencodeableFiles(string path, string additionalOptions)
{
string chunked = "_chunked";
string postfix = "_x264crf23";
List <string> reencodeFiles = new List <string>();
foreach (string file in System.IO.Directory.EnumerateFiles(path))
{
string name = System.IO.Path.GetFileNameWithoutExtension(file);
string ext = Path.GetExtension(file);
if (ext == ".mp4" && name.EndsWith(chunked))
{
string newfile = Path.Combine(path, postfix, name.Substring(0, name.Length - chunked.Length) + postfix + ext);
if (!File.Exists(newfile))
{
reencodeFiles.Add(System.IO.Path.GetFullPath(file));
}
}
}
List <IVideoInfo> rv = new List <IVideoInfo>();
foreach (string f in reencodeFiles)
{
FFProbeResult probe = await FFMpegUtil.Probe(f);
int framerate;
try {
framerate = (int)Math.Round(probe.Streams.Where(x => x.Framerate > 0.0f).FirstOrDefault().Framerate);
} catch (Exception) {
framerate = 30;
}
if (framerate <= 0)
{
framerate = 30;
}
// super hacky... probably should improve this stuff
List <string> ffmpegOptions;
string postfixOld;
string postfixNew;
string outputformat;
if (additionalOptions == "rescale720_30fps")
{
ffmpegOptions = new List <string>()
{
"-c:v", "libx264", "-preset", "slower", "-crf", "23",
"-g", "300",
"-x264-params", "\"min-keyint=30:b-adapt=2\"",
"-sws_flags", "lanczos", "-vf", "\"scale=-2:720\"", "-c:a", "copy", "-max_muxing_queue_size", "100000", "-r", "30"
};
postfixOld = "_chunked";
postfixNew = "_x264crf23scaled720p30";
outputformat = "mkv";
}
else if (additionalOptions == "rescale480_30fps")
{
ffmpegOptions = new List <string>()
{
"-c:v", "libx264", "-preset", "slower", "-crf", "23",
"-g", "300",
"-x264-params", "\"min-keyint=30:b-adapt=2\"",
"-sws_flags", "lanczos", "-vf", "\"scale=-2:480\"", "-c:a", "copy", "-max_muxing_queue_size", "100000", "-r", "30"
};
postfixOld = "_chunked";
postfixNew = "_x264crf23scaled480p30";
outputformat = "mkv";
}
else if (additionalOptions == "30fps")
{
ffmpegOptions = new List <string>()
{
"-c:v", "libx264", "-preset", "slower", "-crf", "23",
"-g", "300",
"-x264-params", "\"min-keyint=30:b-adapt=2\"",
"-c:a", "copy", "-max_muxing_queue_size", "100000", "-r", "30"
};
postfixOld = "_chunked";
postfixNew = "_x264crf23-30";
outputformat = "mkv";
}
else if (additionalOptions == "rescale720")
{
ffmpegOptions = new List <string>()
{
"-c:v", "libx264", "-preset", "slower", "-crf", "23",
"-g", (framerate * 10).ToString(),
"-x264-params", "\"min-keyint=" + framerate.ToString() + ":b-adapt=2\"",
"-sws_flags", "lanczos", "-vf", "\"scale=-2:720\"", "-c:a", "copy", "-max_muxing_queue_size", "100000"
};
postfixOld = "_chunked";
postfixNew = "_x264crf23scaled720p";
outputformat = "mp4";
}
else if (additionalOptions == "rescale480")
{
ffmpegOptions = new List <string>()
{
"-c:v", "libx264", "-preset", "slower", "-crf", "23",
"-g", (framerate * 10).ToString(),
"-x264-params", "\"min-keyint=" + framerate.ToString() + ":b-adapt=2\"",
"-sws_flags", "lanczos", "-vf", "\"scale=-2:480\"", "-c:a", "copy", "-max_muxing_queue_size", "100000"
};
postfixOld = "_chunked";
postfixNew = "_x264crf23scaled480p";
outputformat = "mp4";
}
else
{
ffmpegOptions = new List <string>()
{
"-c:v", "libx264", "-preset", "slower", "-crf", "23",
"-g", (framerate * 10).ToString(),
"-x264-params", "\"min-keyint=" + framerate.ToString() + ":b-adapt=2\"",
"-c:a", "copy", "-max_muxing_queue_size", "100000"
};
postfixOld = "_chunked";
postfixNew = "_x264crf23";
outputformat = "mp4";
}
IVideoInfo retval = new FFMpegReencodeJobVideoInfo(f, probe, ffmpegOptions, postfixOld, postfixNew, outputformat);
rv.Add(retval);
}
return(rv);
}
