示例#1
0
        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) {
                    }
                }
            }
        }
示例#2
0
        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) { }
        }
示例#3
0
        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);
        }