88 lines
3.3 KiB
C#
88 lines
3.3 KiB
C#
using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.Audio;
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using MediaBrowser.Model.Entities;
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using System;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Model.Logging;
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namespace MediaBrowser.Controller.Providers.MediaInfo
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{
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/// <summary>
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/// Uses ffmpeg to create video images
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/// </summary>
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public class FFMpegAudioImageProvider : BaseFFMpegImageProvider<Audio>
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{
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public FFMpegAudioImageProvider(ILogManager logManager, IServerConfigurationManager configurationManager) : base(logManager, configurationManager)
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{
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}
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/// <summary>
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/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="force">if set to <c>true</c> [force].</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{System.Boolean}.</returns>
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protected override Task<bool> FetchAsyncInternal(BaseItem item, bool force, CancellationToken cancellationToken)
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{
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var audio = (Audio)item;
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if (string.IsNullOrEmpty(audio.PrimaryImagePath))
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{
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// First try to use the parent's image
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audio.PrimaryImagePath = audio.ResolveArgs.Parent.PrimaryImagePath;
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// If it's still empty see if there's an embedded image
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if (string.IsNullOrEmpty(audio.PrimaryImagePath))
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{
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if (audio.MediaStreams != null && audio.MediaStreams.Any(s => s.Type == MediaStreamType.Video))
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{
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var filename = item.Id + "_" + item.DateModified.Ticks + "_primary";
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var path = Kernel.Instance.FFMpegManager.AudioImageCache.GetResourcePath(filename, ".jpg");
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if (!Kernel.Instance.FFMpegManager.AudioImageCache.ContainsFilePath(path))
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{
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return ExtractImage(audio, path, cancellationToken);
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}
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// Image is already in the cache
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audio.PrimaryImagePath = path;
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}
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}
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}
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SetLastRefreshed(item, DateTime.UtcNow);
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return TrueTaskResult;
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}
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/// <summary>
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/// Extracts the image.
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/// </summary>
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/// <param name="audio">The audio.</param>
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/// <param name="path">The path.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{System.Boolean}.</returns>
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private async Task<bool> ExtractImage(Audio audio, string path, CancellationToken cancellationToken)
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{
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var success = await Kernel.Instance.FFMpegManager.ExtractImage(audio, path, cancellationToken).ConfigureAwait(false);
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if (success)
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{
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audio.PrimaryImagePath = path;
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SetLastRefreshed(audio, DateTime.UtcNow);
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}
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else
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{
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SetLastRefreshed(audio, DateTime.UtcNow, ProviderRefreshStatus.Failure);
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}
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return true;
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}
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}
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}
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