108 lines
4.7 KiB
C#
108 lines
4.7 KiB
C#
using System;
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using System.Linq;
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using System.Collections.Generic;
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using System.IO;
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using System.Threading.Tasks;
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using FFMpegCore;
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namespace videoRetailor
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{
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public class analyzedMedia
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{
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public List<string> path { get; set; } = new List<string>();
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public List<IMediaAnalysis> ffprobed { get; set; } = new List<IMediaAnalysis>();
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public double TotalSeconds { get { return ffprobed.Sum(ima => ima.Duration.TotalSeconds); } }
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public double durationVariance { get; set; }
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}
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class Program
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{
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static async Task Main(string[] args)
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{
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Console.WriteLine(Directory.GetCurrentDirectory());
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var mkvFiles = Directory.GetFiles(Directory.GetCurrentDirectory(), "*.mkv");
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var mediaInfos = new List<analyzedMedia>();
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var totalTime = new TimeSpan();
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foreach (var file in mkvFiles.OrderBy(f => f))
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{
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var thisMeta = new analyzedMedia();
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thisMeta.path.Add(file);
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thisMeta.ffprobed.Add(await FFProbe.AnalyseAsync(file));
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mediaInfos.Add(thisMeta);
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}
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if (mediaInfos.Count < 8)
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{
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Console.WriteLine($"there's only {mkvFiles.Length}, can't recombine. just going to send them all as-is.");
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}
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else
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{
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foreach (var thisMeta in mediaInfos)
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{
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totalTime += thisMeta.ffprobed[0].Duration;
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}
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var averageTime = totalTime.TotalSeconds / mediaInfos.Count();
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Console.WriteLine($"average time: {averageTime}");
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foreach (var thisMeta in mediaInfos)
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{
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thisMeta.durationVariance = thisMeta.TotalSeconds / averageTime;
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Console.WriteLine($"{string.Join(", ", thisMeta.path)}: {thisMeta.TotalSeconds} seconds");
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Console.WriteLine($" duration ratio: {thisMeta.durationVariance}");
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}
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Console.WriteLine($"...am I crashing? {mediaInfos.Min(af => af.durationVariance)}");
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while (mediaInfos.Count() > 7 &&
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(mediaInfos.Min(af => af.durationVariance) < 0.9))
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{
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Console.WriteLine("gluestick at the ready.");
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var idx = 0;
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var targetMinDuration = mediaInfos.Min(af => af.durationVariance);
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Console.WriteLine($"targetMinDuration = {targetMinDuration}");
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foreach (var af in mediaInfos)
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{
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if (af.durationVariance == targetMinDuration)
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{
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break;
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}
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idx++;
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}
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var previousDuration = (idx == 0) ? Double.MaxValue : mediaInfos[idx - 1].TotalSeconds;
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var nextDuration = (idx > mediaInfos.Count() - 2) ? Double.MaxValue : mediaInfos[idx - 1].TotalSeconds;
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analyzedMedia partner;
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if (nextDuration > previousDuration)
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{
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partner = mediaInfos[idx - 1];
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Console.WriteLine($"combining with previous, previously at {partner.TotalSeconds}");
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partner.ffprobed.AddRange(mediaInfos[idx].ffprobed);
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partner.path.AddRange(mediaInfos[idx].path);
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}
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else
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{
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partner = mediaInfos[idx + 1];
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Console.WriteLine($"combining with next, previously at {partner.TotalSeconds}");
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mediaInfos[idx].ffprobed.AddRange(partner.ffprobed);
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partner.ffprobed = mediaInfos[idx].ffprobed;
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mediaInfos[idx].path.AddRange(partner.path);
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partner.path = mediaInfos[idx].path;
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}
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mediaInfos.RemoveAt(idx);
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averageTime = totalTime.TotalSeconds / mediaInfos.Count();
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foreach (var thisMeta in mediaInfos)
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{
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thisMeta.durationVariance = thisMeta.TotalSeconds / averageTime;
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}
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}
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}
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Console.WriteLine($"{mediaInfos.Count()} infos.");
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var i = 1;
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foreach (var mi in mediaInfos)
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{
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Console.WriteLine($"going to export {string.Join(", ", mi.path)} as part {i}");
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FFMpeg.Join($"./{DateTime.Today.ToShortDateString()} (part {i}/{mediaInfos.Count()}).mp4",
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mi.path.ToArray()
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);
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i++;
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}
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}
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}
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}
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