CloudMusic/FNZCM2/FNZCM2.ProofOfConcept/PocFfMpegReader.cs

using System.IO.Enumeration;
using FNZCM2.Abstractions.Utility;

namespace FNZCM2.ProofOfConcept;

using FSE = (bool isDir, string path, long size, DateTimeOffset lastWrited);

internal static class PocFfMpegReader
{
    public static void RunPoc()
    {
        //FlacPoc();
        //Mp4Poc();
        //JpgPoc();
        //WebPPoc();
        //LogPoc();
        //IsoPoc();
        //SUCCESS
    }

    private static void IsoPoc()
    {
        //choose a file to open
        var fse = new FileSystemEnumerable<FSE>(
            "library-fs",
            (ref FileSystemEntry p) => new(
                p.IsDirectory,
                p.ToFullPath(),
                p.Length,
                p.LastWriteTimeUtc
            ),
            new()
            {
                RecurseSubdirectories = true,
            })
        {
            ShouldIncludePredicate = (ref FileSystemEntry p) => p.ToFullPath().EndsWith(".iso", true, null)
        };

        var file = fse.First();
        var filePath = file.path;

        var meta = FfMpegReader.Read(filePath, out var err);
        if (meta == null && err != null)
        {
            int bp1 = 0;
        }
        int bp = 0;
    }

    private static void LogPoc()
    {
        //choose a file to open
        var fse = new FileSystemEnumerable<FSE>(
            "library-ajc",
            (ref FileSystemEntry p) => new(
                p.IsDirectory,
                p.ToFullPath(),
                p.Length,
                p.LastWriteTimeUtc
            ),
            new()
            {
                RecurseSubdirectories = true,
            })
        {
            ShouldIncludePredicate = (ref FileSystemEntry p) => p.ToFullPath().EndsWith(".log", true, null)
        };

        var file = fse.First();
        var filePath = file.path;

        var meta = FfMpegReader.Read(filePath, out var err);
        if (meta == null && err != null)
        {
            int bp1 = 0;
        }
        int bp = 0;
    }

    private static void WebPPoc()
    {
        //choose a file to open
        var fse = new FileSystemEnumerable<FSE>(
            "library-tlmc-tv",
            (ref FileSystemEntry p) => new(
                p.IsDirectory,
                p.ToFullPath(),
                p.Length,
                p.LastWriteTimeUtc
            ),
            new()
            {
                RecurseSubdirectories = true,
            })
        {
            ShouldIncludePredicate = (ref FileSystemEntry p) => p.ToFullPath().EndsWith(".webp", true, null)
        };

        var file = fse.First();
        var filePath = file.path;

        var meta = FfMpegReader.Read(filePath, out var err);
        int bp = 0;
    }

    private static void JpgPoc()
    {
        //choose a file to open
        var fse = new FileSystemEnumerable<FSE>(
            "library-ajc",
            (ref FileSystemEntry p) => new(
                p.IsDirectory,
                p.ToFullPath(),
                p.Length,
                p.LastWriteTimeUtc
            ),
            new()
            {
                RecurseSubdirectories = true,
            })
        {
            ShouldIncludePredicate = (ref FileSystemEntry p) => p.ToFullPath().EndsWith(".jpg", true, null)
        };

        var file = fse.First();
        var filePath = file.path;

        var meta = FfMpegReader.Read(filePath, out var err);
        int bp = 0;
    }

    private static void Mp4Poc()
    {
        //choose a file to open
        var fse = new FileSystemEnumerable<FSE>(
            "library-ajc",
            (ref FileSystemEntry p) => new(
                p.IsDirectory,
                p.ToFullPath(),
                p.Length,
                p.LastWriteTimeUtc
            ),
            new()
            {
                RecurseSubdirectories = true,
            })
        {
            ShouldIncludePredicate = (ref FileSystemEntry p) => p.ToFullPath().EndsWith(".mp4", true, null)
        };

        var file = fse.First();
        var filePath = file.path;

        var meta = FfMpegReader.Read(filePath, out var err);
        int bp = 0;
    }

    private static void FlacPoc()
    {
        //choose a file to open
        var fse = new FileSystemEnumerable<FSE>(
            "library-ajc",
            (ref FileSystemEntry p) => new(
                p.IsDirectory,
                p.ToFullPath(),
                p.Length,
                p.LastWriteTimeUtc
            ),
            new()
            {
                RecurseSubdirectories = true,
            })
        {
            ShouldIncludePredicate = (ref FileSystemEntry p) => p.ToFullPath().EndsWith(".flac", true, null)
        };

        var file = fse.First();
        var filePath = file.path;

        var meta = FfMpegReader.Read(filePath, out var err);
        int bp = 0;
    }
}