jellyfin-server/MediaBrowser.Controller/Providers/MediaInfo/BaseFFMpegProvider.cs

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using MediaBrowser.Common.IO;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Logging;
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using System;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers.MediaInfo
{
/// <summary>
/// Class BaseFFMpegProvider
/// </summary>
/// <typeparam name="T"></typeparam>
public abstract class BaseFFMpegProvider<T> : BaseMetadataProvider
where T : BaseItem
{
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protected BaseFFMpegProvider(ILogManager logManager, IServerConfigurationManager configurationManager) : base(logManager, configurationManager)
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{
}
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/// <summary>
/// Supportses the specified item.
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public override bool Supports(BaseItem item)
{
return item.LocationType == LocationType.FileSystem && item is T;
}
/// <summary>
/// Override this to return the date that should be compared to the last refresh date
/// to determine if this provider should be re-fetched.
/// </summary>
/// <param name="item">The item.</param>
/// <returns>DateTime.</returns>
protected override DateTime CompareDate(BaseItem item)
{
return item.DateModified;
}
/// <summary>
/// The null mount task result
/// </summary>
protected readonly Task<IIsoMount> NullMountTaskResult = Task.FromResult<IIsoMount>(null);
/// <summary>
/// Gets the provider version.
/// </summary>
/// <value>The provider version.</value>
protected override string ProviderVersion
{
get
{
return Kernel.Instance.FFMpegManager.FFMpegVersion;
}
}
/// <summary>
/// Needses the refresh internal.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="providerInfo">The provider info.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
protected override bool NeedsRefreshInternal(BaseItem item, BaseProviderInfo providerInfo)
{
// If the last run wasn't successful, try again when there's a new version of ffmpeg
if (providerInfo.LastRefreshStatus != ProviderRefreshStatus.Success)
{
if (!string.Equals(ProviderVersion, providerInfo.ProviderVersion))
{
return true;
}
}
return base.NeedsRefreshInternal(item, providerInfo);
}
}
}