47 lines
1.9 KiB
C#
47 lines
1.9 KiB
C#
using System.Threading;
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using System.Threading.Tasks;
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using ErsatzTV.Core.Domain;
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using ErsatzTV.Core.Interfaces.FFmpeg;
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using LanguageExt;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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namespace ErsatzTV.Services
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{
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public class FFmpegLocatorService : IHostedService
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{
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private readonly ILogger<FFmpegLocatorService> _logger;
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private readonly IServiceScopeFactory _serviceScopeFactory;
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public FFmpegLocatorService(
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IServiceScopeFactory serviceScopeFactory,
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ILogger<FFmpegLocatorService> logger)
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{
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_serviceScopeFactory = serviceScopeFactory;
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_logger = logger;
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}
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public async Task StartAsync(CancellationToken cancellationToken)
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{
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using IServiceScope scope = _serviceScopeFactory.CreateScope();
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IFFmpegLocator ffmpegLocator = scope.ServiceProvider.GetRequiredService<IFFmpegLocator>();
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// check for ffmpeg and ffprobe in the last known/configured location
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// otherwise search using which/where and save any located executables
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Option<string> maybeFFmpegPath = await ffmpegLocator.ValidatePath("ffmpeg", ConfigElementKey.FFmpegPath);
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maybeFFmpegPath.Match(
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path => _logger.LogInformation("Located ffmpeg at {Path}", path),
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() => _logger.LogWarning("Failed to locate ffmpeg executable"));
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Option<string> maybeFFprobePath =
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await ffmpegLocator.ValidatePath("ffprobe", ConfigElementKey.FFprobePath);
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maybeFFprobePath.Match(
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path => _logger.LogInformation("Located ffprobe at {Path}", path),
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() => _logger.LogWarning("Failed to locate ffprobe executable"));
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}
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public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
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}
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}
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