jellyfin-server/MediaBrowser.Controller/Providers/VideoInfoProvider.cs
2012-08-20 15:16:51 -04:00

90 lines
2.6 KiB
C#

using System.ComponentModel.Composition;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using MediaBrowser.Controller.Events;
using MediaBrowser.Controller.FFMpeg;
using MediaBrowser.Model.Entities;
namespace MediaBrowser.Controller.Providers
{
//[Export(typeof(BaseMetadataProvider))]
public class VideoInfoProvider : BaseMetadataProvider
{
public override bool Supports(BaseEntity item)
{
return item is Video;
}
public override MetadataProviderPriority Priority
{
// Give this second priority
// Give metadata xml providers a chance to fill in data first
// Then we can skip this step whenever possible
get { return MetadataProviderPriority.Second; }
}
public override async Task Fetch(BaseEntity item, ItemResolveEventArgs args)
{
Video video = item as Video;
if (video.VideoType != VideoType.VideoFile)
{
// Not supported yet
return;
}
if (CanSkip(video))
{
return;
}
string outputDirectory = Path.Combine(Kernel.Instance.ApplicationPaths.FFProbeVideoCacheDirectory, item.Id.ToString().Substring(0, 1));
string outputPath = Path.Combine(outputDirectory, item.Id + "-" + item.DateModified.Ticks + ".js");
FFProbeResult data = await FFProbe.Run(video, outputPath);
}
/// <summary>
/// Determines if there's already enough info in the Video object to allow us to skip running ffprobe
/// </summary>
private bool CanSkip(Video video)
{
if (video.AudioStreams == null || !video.AudioStreams.Any())
{
return false;
}
if (string.IsNullOrEmpty(video.Codec))
{
return false;
}
if (string.IsNullOrEmpty(video.ScanType))
{
return false;
}
if (string.IsNullOrEmpty(video.FrameRate))
{
return false;
}
if (video.Height == 0 || video.Width == 0 || video.BitRate == 0)
{
return false;
}
return true;
}
public override void Init()
{
base.Init();
AudioInfoProvider.EnsureCacheSubFolders(Kernel.Instance.ApplicationPaths.FFProbeVideoCacheDirectory);
}
}
}