annotations/Web/Azaion.Web/Azaion.Video/VideoManager.cs

using System.Diagnostics;
using Azaion.Repository;
using Azaion.Repository.DTO;
using Azaion.Repository.Entities;

namespace Azaion.Video;

public class VideoManager(IDbFactory dbFactory) : IVideoManager
{
    public List<VideoDto> GetVideos()
    {
        return dbFactory.Run(db => db.Medias
            .Where(x => x.AnnotatorId != null)
            .Select(x => new VideoDto
            {
                Id = x.Id,
                Path = x.Path,
                CreatedDate = x.CreatedDate,
                MediaStatus = x.Status
            })
            .ToList());
    }
    
    public void EncodeVideo(Guid mediaId)
    {
        var media = dbFactory.Run(db => db.Medias.SingleOrDefault(x => x.Id == mediaId))!;
        
        string arguments = string.Concat($"-i \"{media.Path}\" ",
                           "-f hls ",
                           "-hls_time 2 ",
                           "-hls_playlist_type vod ",
                           "-hls_flags independent_segments ",
                           "-hls_segment_type mpegts ", 
                           $"-hls_segment_filename \"{media.SegmentFile}\"",
                           $"\"{media.M3U8File}\"");
        
        var process = new Process
        {
            StartInfo = new()
            {
                FileName = Constants.FFMPEG_FILE,
                Arguments = arguments,
                UseShellExecute = true,
            },
            EnableRaisingEvents = true,
        };
        process.Start();
    }

    public Media Get(Guid mediaId) => 
        dbFactory.Run(db => db.Medias.SingleOrDefault(x => x.Id == mediaId))!;

    public void OpenTestVideo()
    {
        
    }
    
    public void FinishAnnotation(Guid mediaId)
    {
    }
}