silver-meddlists/video-retailor
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Adam R. Grey 2021-10-12 00:46:12 -04:00
commit 8ada6bc0ac
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2
.gitignore vendored Normal file
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bin/
obj/

26
.vscode/launch.json vendored Normal file
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{
"version": "0.2.0",
"configurations": [
{
// Use IntelliSense to find out which attributes exist for C# debugging
// Use hover for the description of the existing attributes
// For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
"name": ".NET Core Launch (console)",
"type": "coreclr",
"request": "launch",
"preLaunchTask": "build",
// If you have changed target frameworks, make sure to update the program path.
"program": "${workspaceFolder}/bin/Debug/net5.0/videoRetailor.dll",
"args": [],
"cwd": "${workspaceFolder}/sample recording sess/",
// For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console
"console": "internalConsole",
"stopAtEntry": false
},
{
"name": ".NET Core Attach",
"type": "coreclr",
"request": "attach"
}
]
}

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.vscode/tasks.json vendored Normal file
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{
"version": "2.0.0",
"tasks": [
{
"label": "build",
"command": "dotnet",
"type": "process",
"args": [
"build",
"${workspaceFolder}/videoRetailor.csproj",
"/property:GenerateFullPaths=true",
"/consoleloggerparameters:NoSummary"
],
"problemMatcher": "$msCompile"
},
{
"label": "publish",
"command": "dotnet",
"type": "process",
"args": [
"publish",
"${workspaceFolder}/videoRetailor.csproj",
"/property:GenerateFullPaths=true",
"/consoleloggerparameters:NoSummary"
],
"problemMatcher": "$msCompile"
},
{
"label": "watch",
"command": "dotnet",
"type": "process",
"args": [
"watch",
"run",
"${workspaceFolder}/videoRetailor.csproj",
"/property:GenerateFullPaths=true",
"/consoleloggerparameters:NoSummary"
],
"problemMatcher": "$msCompile"
}
]
}

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Program.cs Normal file
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using System;
using System.Linq;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using FFMpegCore;
namespace videoRetailor
{
public class analyzedMedia
{
public List<string> path { get; set; } = new List<string>();
public List<IMediaAnalysis> ffprobed { get; set; } = new List<IMediaAnalysis>();
public double TotalSeconds { get { return ffprobed.Sum(ima => ima.Duration.TotalSeconds); } }
public double durationVariance { get; set; }
}
class Program
{
static async Task Main(string[] args)
{
Console.WriteLine(Directory.GetCurrentDirectory());
var mkvFiles = Directory.GetFiles(Directory.GetCurrentDirectory(), "*.mkv");
var mediaInfos = new List<analyzedMedia>();
var totalTime = new TimeSpan();
foreach (var file in mkvFiles.OrderBy(f => f))
{
var thisMeta = new analyzedMedia();
thisMeta.path.Add(file);
thisMeta.ffprobed.Add(await FFProbe.AnalyseAsync(file));
mediaInfos.Add(thisMeta);
}
if (mediaInfos.Count < 8)
{
Console.WriteLine($"there's only {mkvFiles.Length}, can't recombine. just going to send them all as-is.");
}
else
{
var afterFirst = mediaInfos.Skip(1).ToList();
foreach (var thisMeta in afterFirst)
{
totalTime += thisMeta.ffprobed[0].Duration;
}
var averageTime = totalTime.TotalSeconds / afterFirst.Count();
Console.WriteLine($"average time: {averageTime}");
foreach (var thisMeta in afterFirst)
{
thisMeta.durationVariance = thisMeta.TotalSeconds / averageTime;
Console.WriteLine($"{string.Join(", ", thisMeta.path)}: {thisMeta.TotalSeconds} seconds");
Console.WriteLine($" duration ratio: {thisMeta.durationVariance}");
}
Console.WriteLine($"...am I crashing? {afterFirst.Min(af => af.durationVariance)}");
while (afterFirst.Count() > 6 &&
(afterFirst.Min(af => af.durationVariance) < 0.9))
{
Console.WriteLine("gluestick at the ready.");
var idx = 0;
var targetMinDuration = afterFirst.Min(af => af.durationVariance);
Console.WriteLine($"targetMinDuration = {targetMinDuration}");
foreach (var af in afterFirst)
{
if (af.durationVariance == targetMinDuration)
{
break;
}
idx++;
}
var previousDuration = (idx == 0) ? Double.MaxValue : afterFirst[idx - 1].TotalSeconds;
var nextDuration = (idx > afterFirst.Count() - 2) ? Double.MaxValue : afterFirst[idx - 1].TotalSeconds;
analyzedMedia partner;
if (nextDuration > previousDuration)
{
partner = afterFirst[idx - 1];
Console.WriteLine($"combining with previous, previously at {partner.TotalSeconds}");
partner.ffprobed.AddRange(afterFirst[idx].ffprobed);
partner.path.AddRange(afterFirst[idx].path);
}
else
{
partner = afterFirst[idx + 1];
Console.WriteLine($"combining with next, previously at {partner.TotalSeconds}");
afterFirst[idx].ffprobed.AddRange(partner.ffprobed);
partner.ffprobed = afterFirst[idx].ffprobed;
afterFirst[idx].path.AddRange(partner.path);
partner.path = afterFirst[idx].path;
}
afterFirst.RemoveAt(idx);
averageTime = totalTime.TotalSeconds / afterFirst.Count();
foreach (var thisMeta in afterFirst)
{
thisMeta.durationVariance = thisMeta.TotalSeconds / averageTime;
}
}
mediaInfos = mediaInfos.Take(1).Union(afterFirst).ToList();
}
Console.WriteLine($"{mediaInfos.Count()} infos.");
var i = 1;
foreach (var mi in mediaInfos)
{
Console.WriteLine($"going to export {string.Join(", ", mi.path)} as part {i}");
FFMpeg.Join($"./{DateTime.Today.ToShortDateString()} part{i}.mp4",
mi.path.ToArray()
);
i++;
}
}
}
}

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videoRetailor.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net5.0</TargetFramework>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="ffmpegcore" Version="4.5.0" />
</ItemGroup>
</Project>