casa-bot/src/CasaBot/AutoScan/Implementations/DVRScanner.cs

106 lines
3.8 KiB
C#

using AutoScan.Interfaces;
using AutoScan.Options;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System.Diagnostics;
namespace AutoScan.Implementations;
public class DVRScanner : IDVRScanner
{
private readonly ILogger _logger;
private readonly AutoScanOptions _options;
private DateTime? _startedAt;
public DVRScanner(IOptionsSnapshot<AutoScanOptions> options, ILoggerFactory loggerFactory)
{
_options = options.Value;
_logger = loggerFactory.CreateLogger(nameof(DVRScanner));
}
public async Task ScanVideos(CancellationToken cancellationToken = default)
{
if(_options.Scanner == null)
{
throw new ArgumentNullException(nameof(_options.Scanner));
}
try
{
_logger.LogDebug("Scanning videos...");
var folderParam = Path.Combine(_options.MediaFolder!, "*.mp4");
var arguments = $"-i {folderParam} -c {_options.Scanner.ConfigFile} --quiet --logfile log.txt --output-dir {_options.Scanner.DetectionFolder} --thumbnails highscore";
_logger.LogDebug("Executing command: {_dvrScannerFile} {arguments}", _options.Scanner.Exe, arguments);
var process = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = _options.Scanner.Exe,
Arguments = arguments,
RedirectStandardOutput = false,
RedirectStandardError = false,
UseShellExecute = false,
CreateNoWindow = true,
}
};
if(_options.Scanner.RunDry)
{
_logger.LogInformation("Dry run enabled, skipping execution...");
return;
}
CleanDetectionFiles();
_startedAt = DateTime.Now;
process.Start();
// process.PriorityClass = ProcessPriorityClass.High;
cancellationToken.Register(() =>
{
_logger.LogDebug("DVR Process status: ID: {Id}, HasExited: {HasExited}, Responding: {Responding}",
process.Id, process.HasExited, process.Responding);
if(process.HasExited) return;
_logger.LogWarning("DVR Process is still running, killing it...");
process.Kill();
});
_logger.LogDebug("DVR Process started with ID: {Id}", process.Id);
await UpdateProcessUntilExits(process, cancellationToken);
_logger.LogInformation("Videos scanned successfully!");
}
catch (Exception ex)
{
_logger.LogError(ex, "An error occurred while scanning the videos");
}
}
private async Task UpdateProcessUntilExits(Process process, CancellationToken cancellationToken = default)
{
while (!process.HasExited && !cancellationToken.IsCancellationRequested)
{
await Task.Delay(15000, cancellationToken);
var duration = DateTime.Now - _startedAt;
_logger.LogTrace("[{duration}] DVR Scan running", duration);
}
}
private void CleanDetectionFiles()
{
if (_options.Scanner?.DetectionFolder is null)
return;
if (_options.Scanner!.RunDry)
return;
//remove .avi files from the detection folder
_logger.LogDebug("Removing .avi files from detection folder {DetectionFolder}", _options.Scanner.DetectionFolder);
foreach (var file in Directory.GetFiles(_options.Scanner!.DetectionFolder!, "*"))
{
File.Delete(file);
}
}
}