private async void SanityCheckTwitch()
{
List <string> paths = new List <string>();
foreach (string path in paths)
{
foreach (string file in Directory.EnumerateFiles(path, "twitch_*.mp4", SearchOption.AllDirectories))
{
try {
string filepart = Path.GetFileNameWithoutExtension(file);
long tmp;
string id = filepart.Split('_').Where(x => x.StartsWith("v") && long.TryParse(x.Substring(1), out tmp)).First();
List <IVideoJob> jobs = new List <IVideoJob>();
foreach (var item in objectListViewDownloads.Objects)
{
IVideoJob job = item as IVideoJob;
if (job != null)
{
if (job.VideoInfo.Service == StreamService.Twitch && job.VideoInfo.VideoId == id && job.JobStatus == VideoJobStatus.Finished)
{
try {
// sanity check
TimeSpan actualVideoLength = (await FFMpegUtil.Probe(file)).Duration;
TimeSpan expectedVideoLength = job.VideoInfo.VideoLength;
if (actualVideoLength.Subtract(expectedVideoLength).Duration() > TimeSpan.FromSeconds(5))
{
// if difference is bigger than 5 seconds something is off, report
job.Status = "Large time difference between expected (" + expectedVideoLength.ToString() + ") and actual (" + actualVideoLength.ToString() + "), reenqueueing. (" + file + ")";
job.JobStatus = VideoJobStatus.NotStarted;
}
else
{
job.Status = "Sane.";
}
} catch (Exception ex) {
job.Status = "Exception while sanity checking: " + ex.ToString();
job.JobStatus = VideoJobStatus.NotStarted;
}
}
}
}
} catch (Exception) {
}
}
}
}
private async Task GenDurationTwitch(StringBuilder sb, string path)
{
sb.AppendFormat("Scanning {0}...", path).AppendLine();
List <string> filesInDir = Directory.EnumerateFiles(path).ToList();
foreach (string filepath in filesInDir)
{
string filename = Path.GetFileName(filepath);
foreach (IVideoJob job in Jobs)
{
if (job != null && job.VideoInfo.Service == StreamService.Twitch)
{
string filestart = "twitch_" + job.VideoInfo.Username + "_";
string filemid = "_v" + job.VideoInfo.VideoId + "_";
string fileend = ".mp4";
if (filename.StartsWith(filestart) && filename.Contains(filemid) && filename.EndsWith(fileend))
{
Console.WriteLine("Probing {0}", filepath);
TimeSpan actualVideoLength = (await FFMpegUtil.Probe(filepath)).Duration;
TimeSpan expectedVideoLength = job.VideoInfo.VideoLength;
if (actualVideoLength.Subtract(expectedVideoLength).Duration() > TimeSpan.FromSeconds(5))
{
sb.AppendFormat("File {0} seems to have a large difference. ({1} seconds)", filepath, actualVideoLength.Subtract(expectedVideoLength).Duration().TotalSeconds);
sb.AppendLine();
}
}
}
}
}
try {
foreach (string subdir in Directory.EnumerateDirectories(path))
{
try {
await GenDurationTwitch(sb, subdir);
} catch (Exception) { }
}
} catch (Exception) { }
}
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);
}
