public async Task GenerateVideosAsync(CancellationToken cancellationToken)
{
await FFmpegDownloader.GetLatestVersion(FFmpegVersion.Official);
List <Store.Media> videos = await _storeContext.Medias.AsQueryable()
.Where(x => x.MediaType == Store.MediaType.Video)
.ToListAsync(cancellationToken);
var todo = videos.Count;
var videoPreview = @"H:\Drive\Moments\System\VideoPreview";
foreach (Store.Media video in videos)
{
todo--;
var filename = _mediaBlobStore.GetFilename(new MediaBlobData
{
Directory = video.Folder,
Filename = video.Filename,
Type = MediaBlobType.Media
});
try
{
var outfile = Path.Combine(videoPreview, $"720P_{video.Id}.mp4");
if (!File.Exists(outfile))
{
var inputLength = new FileInfo(filename).Length / 1024 / 1024;
await _videoProcessing.ConvertTo720Async(filename, outfile, cancellationToken);
Console.WriteLine($"{todo} - Video created: {Path.GetFileName(outfile)}");
var outLength = new FileInfo(outfile).Length / 1024 / 1024;
Console.WriteLine($"{inputLength} --> {outLength} (-{100.0 / inputLength * outLength}%)");
}
}
catch (Exception ex)
{
Console.WriteLine($"Error in Media: {video.Id}. --> {ex.Message}");
}
}
}
public async Task ExecuteAsync(
MediaProcessorContext context,
CancellationToken cancellationToken)
{
var filename = _mediaService.GetFilename(context.Media, MediaFileType.Original);
var convertedFilename = _mediaService.GetFilename(context.Media, MediaFileType.Video720);
if (File.Exists(convertedFilename))
{
File.Delete(convertedFilename);
}
await _videoProcessingService.ConvertTo720Async(
filename,
convertedFilename,
cancellationToken);
}