2013-04-07 22:55:05 +02:00
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using MediaBrowser.Common.IO;
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using MediaBrowser.Common.MediaInfo;
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2013-06-09 18:47:28 +02:00
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using MediaBrowser.Controller;
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2013-03-04 06:43:06 +01:00
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using MediaBrowser.Controller.Configuration;
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2013-02-21 02:33:05 +01:00
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using MediaBrowser.Controller.Entities;
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2013-06-09 18:47:28 +02:00
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using MediaBrowser.Controller.MediaInfo;
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using MediaBrowser.Controller.Providers;
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2013-02-21 02:33:05 +01:00
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using MediaBrowser.Model.Entities;
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2013-03-12 23:49:45 +01:00
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using MediaBrowser.Model.Logging;
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2013-04-07 22:55:05 +02:00
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using MediaBrowser.Model.Serialization;
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2013-02-21 02:33:05 +01:00
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using System;
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using System.Collections.Generic;
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2013-04-07 22:55:05 +02:00
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using System.Globalization;
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2013-02-21 02:33:05 +01:00
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using System.Threading;
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using System.Threading.Tasks;
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2013-06-09 18:47:28 +02:00
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namespace MediaBrowser.Providers.MediaInfo
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2013-02-21 02:33:05 +01:00
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{
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/// <summary>
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/// Provides a base class for extracting media information through ffprobe
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/// </summary>
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/// <typeparam name="T"></typeparam>
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2013-04-07 22:55:05 +02:00
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public abstract class BaseFFProbeProvider<T> : BaseFFMpegProvider<T>
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2013-02-21 02:33:05 +01:00
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where T : BaseItem
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{
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2013-04-08 00:09:48 +02:00
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protected BaseFFProbeProvider(ILogManager logManager, IServerConfigurationManager configurationManager, IMediaEncoder mediaEncoder, IJsonSerializer jsonSerializer)
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2013-04-07 22:55:05 +02:00
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: base(logManager, configurationManager, mediaEncoder)
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2013-03-02 18:59:15 +01:00
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{
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2013-04-08 00:09:48 +02:00
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JsonSerializer = jsonSerializer;
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2013-03-02 18:59:15 +01:00
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}
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2013-04-08 00:09:48 +02:00
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protected readonly IJsonSerializer JsonSerializer;
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2013-02-21 02:33:05 +01:00
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/// <summary>
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/// Gets the priority.
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/// </summary>
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/// <value>The priority.</value>
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public override MetadataProviderPriority Priority
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{
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// Give this second priority
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// Give metadata xml providers a chance to fill in data first, so that we can skip this whenever possible
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get { return MetadataProviderPriority.Second; }
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}
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2013-03-31 19:39:28 +02:00
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protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
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2013-02-21 02:33:05 +01:00
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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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2013-03-08 06:08:27 +01:00
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public override async Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
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2013-02-21 02:33:05 +01:00
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{
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var myItem = (T)item;
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var isoMount = await MountIsoIfNeeded(myItem, cancellationToken).ConfigureAwait(false);
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try
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{
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OnPreFetch(myItem, isoMount);
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2013-05-12 17:27:56 +02:00
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var result = await GetMediaInfo(item, isoMount, cancellationToken).ConfigureAwait(false);
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2013-02-21 02:33:05 +01:00
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cancellationToken.ThrowIfCancellationRequested();
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NormalizeFFProbeResult(result);
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cancellationToken.ThrowIfCancellationRequested();
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2013-04-06 03:03:38 +02:00
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Fetch(myItem, cancellationToken, result, isoMount);
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2013-02-21 02:33:05 +01:00
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2013-04-28 00:52:41 +02:00
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var video = myItem as Video;
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if (video != null)
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{
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2013-05-25 07:17:32 +02:00
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await Kernel.Instance.FFMpegManager.PopulateChapterImages(video, cancellationToken, false, false).ConfigureAwait(false);
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2013-04-28 00:52:41 +02:00
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}
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2013-02-21 02:33:05 +01:00
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SetLastRefreshed(item, DateTime.UtcNow);
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}
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finally
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{
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if (isoMount != null)
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{
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isoMount.Dispose();
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}
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}
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return true;
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}
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2013-04-07 22:55:05 +02:00
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/// <summary>
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/// Gets the media info.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="isoMount">The iso mount.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{MediaInfoResult}.</returns>
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/// <exception cref="System.ArgumentNullException">inputPath
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/// or
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/// cache</exception>
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2013-05-12 17:27:56 +02:00
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private async Task<MediaInfoResult> GetMediaInfo(BaseItem item, IIsoMount isoMount, CancellationToken cancellationToken)
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2013-04-07 22:55:05 +02:00
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{
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cancellationToken.ThrowIfCancellationRequested();
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var type = InputType.AudioFile;
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var inputPath = isoMount == null ? new[] { item.Path } : new[] { isoMount.MountedPath };
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var video = item as Video;
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if (video != null)
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{
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inputPath = MediaEncoderHelpers.GetInputArgument(video, isoMount, out type);
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}
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2013-05-12 17:27:56 +02:00
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return await MediaEncoder.GetMediaInfo(inputPath, type, cancellationToken).ConfigureAwait(false);
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2013-04-07 22:55:05 +02:00
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}
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2013-02-21 02:33:05 +01:00
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/// <summary>
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/// Mounts the iso if needed.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>IsoMount.</returns>
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protected virtual Task<IIsoMount> MountIsoIfNeeded(T item, CancellationToken cancellationToken)
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{
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return NullMountTaskResult;
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}
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/// <summary>
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/// Called when [pre fetch].
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="mount">The mount.</param>
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protected virtual void OnPreFetch(T item, IIsoMount mount)
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{
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}
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/// <summary>
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/// Normalizes the FF probe result.
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/// </summary>
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/// <param name="result">The result.</param>
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2013-04-07 22:55:05 +02:00
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private void NormalizeFFProbeResult(MediaInfoResult result)
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2013-02-21 02:33:05 +01:00
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{
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if (result.format != null && result.format.tags != null)
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{
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result.format.tags = ConvertDictionaryToCaseInSensitive(result.format.tags);
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}
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if (result.streams != null)
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{
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// Convert all dictionaries to case insensitive
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foreach (var stream in result.streams)
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{
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if (stream.tags != null)
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{
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stream.tags = ConvertDictionaryToCaseInSensitive(stream.tags);
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}
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if (stream.disposition != null)
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{
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stream.disposition = ConvertDictionaryToCaseInSensitive(stream.disposition);
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}
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}
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}
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}
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/// <summary>
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/// Subclasses must set item values using this
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="result">The result.</param>
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/// <param name="isoMount">The iso mount.</param>
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/// <returns>Task.</returns>
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2013-04-07 22:55:05 +02:00
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protected abstract void Fetch(T item, CancellationToken cancellationToken, MediaInfoResult result, IIsoMount isoMount);
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2013-02-21 02:33:05 +01:00
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/// <summary>
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/// Converts ffprobe stream info to our MediaStream class
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/// </summary>
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/// <param name="streamInfo">The stream info.</param>
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/// <param name="formatInfo">The format info.</param>
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/// <returns>MediaStream.</returns>
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2013-04-07 22:55:05 +02:00
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protected MediaStream GetMediaStream(MediaStreamInfo streamInfo, MediaFormatInfo formatInfo)
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2013-02-21 02:33:05 +01:00
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{
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var stream = new MediaStream
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{
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Codec = streamInfo.codec_name,
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Language = GetDictionaryValue(streamInfo.tags, "language"),
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Profile = streamInfo.profile,
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2013-04-03 14:03:37 +02:00
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Level = streamInfo.level,
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2013-02-21 02:33:05 +01:00
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Index = streamInfo.index
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};
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if (streamInfo.codec_type.Equals("audio", StringComparison.OrdinalIgnoreCase))
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{
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stream.Type = MediaStreamType.Audio;
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stream.Channels = streamInfo.channels;
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if (!string.IsNullOrEmpty(streamInfo.sample_rate))
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{
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2013-03-31 19:39:28 +02:00
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stream.SampleRate = int.Parse(streamInfo.sample_rate, UsCulture);
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2013-02-21 02:33:05 +01:00
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}
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}
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else if (streamInfo.codec_type.Equals("subtitle", StringComparison.OrdinalIgnoreCase))
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{
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stream.Type = MediaStreamType.Subtitle;
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}
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2013-04-29 17:06:31 +02:00
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else if (streamInfo.codec_type.Equals("video", StringComparison.OrdinalIgnoreCase))
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2013-02-21 02:33:05 +01:00
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{
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stream.Type = MediaStreamType.Video;
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stream.Width = streamInfo.width;
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stream.Height = streamInfo.height;
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2013-04-09 21:38:19 +02:00
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stream.PixelFormat = streamInfo.pix_fmt;
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2013-02-21 02:33:05 +01:00
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stream.AspectRatio = streamInfo.display_aspect_ratio;
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stream.AverageFrameRate = GetFrameRate(streamInfo.avg_frame_rate);
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stream.RealFrameRate = GetFrameRate(streamInfo.r_frame_rate);
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}
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2013-04-29 17:06:31 +02:00
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else
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{
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return null;
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}
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2013-02-21 02:33:05 +01:00
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// Get stream bitrate
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if (stream.Type != MediaStreamType.Subtitle)
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{
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if (!string.IsNullOrEmpty(streamInfo.bit_rate))
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{
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2013-03-31 19:39:28 +02:00
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stream.BitRate = int.Parse(streamInfo.bit_rate, UsCulture);
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2013-02-21 02:33:05 +01:00
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}
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else if (formatInfo != null && !string.IsNullOrEmpty(formatInfo.bit_rate))
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{
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// If the stream info doesn't have a bitrate get the value from the media format info
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2013-03-31 19:39:28 +02:00
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stream.BitRate = int.Parse(formatInfo.bit_rate, UsCulture);
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2013-02-21 02:33:05 +01:00
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}
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}
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if (streamInfo.disposition != null)
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{
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var isDefault = GetDictionaryValue(streamInfo.disposition, "default");
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var isForced = GetDictionaryValue(streamInfo.disposition, "forced");
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stream.IsDefault = string.Equals(isDefault, "1", StringComparison.OrdinalIgnoreCase);
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stream.IsForced = string.Equals(isForced, "1", StringComparison.OrdinalIgnoreCase);
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}
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return stream;
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}
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/// <summary>
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/// Gets a frame rate from a string value in ffprobe output
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/// This could be a number or in the format of 2997/125.
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/// </summary>
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/// <param name="value">The value.</param>
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/// <returns>System.Nullable{System.Single}.</returns>
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private float? GetFrameRate(string value)
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{
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if (!string.IsNullOrEmpty(value))
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{
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var parts = value.Split('/');
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2013-03-12 16:17:43 +01:00
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float result;
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2013-02-21 02:33:05 +01:00
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if (parts.Length == 2)
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{
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2013-03-31 19:39:28 +02:00
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result = float.Parse(parts[0], UsCulture) / float.Parse(parts[1], UsCulture);
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2013-03-12 17:18:26 +01:00
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}
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else
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{
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2013-03-31 19:39:28 +02:00
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result = float.Parse(parts[0], UsCulture);
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2013-02-21 02:33:05 +01:00
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}
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2013-03-12 16:17:43 +01:00
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return float.IsNaN(result) ? (float?)null : result;
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2013-02-21 02:33:05 +01:00
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}
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return null;
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}
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/// <summary>
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/// Gets a string from an FFProbeResult tags dictionary
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/// </summary>
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/// <param name="tags">The tags.</param>
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/// <param name="key">The key.</param>
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/// <returns>System.String.</returns>
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protected string GetDictionaryValue(Dictionary<string, string> tags, string key)
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{
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if (tags == null)
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{
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return null;
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}
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|
|
|
|
|
|
string val;
|
|
|
|
|
|
|
|
|
|
tags.TryGetValue(key, out val);
|
|
|
|
|
return val;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Gets an int from an FFProbeResult tags dictionary
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="tags">The tags.</param>
|
|
|
|
|
/// <param name="key">The key.</param>
|
|
|
|
|
/// <returns>System.Nullable{System.Int32}.</returns>
|
|
|
|
|
protected int? GetDictionaryNumericValue(Dictionary<string, string> tags, string key)
|
|
|
|
|
{
|
|
|
|
|
var val = GetDictionaryValue(tags, key);
|
|
|
|
|
|
|
|
|
|
if (!string.IsNullOrEmpty(val))
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
if (int.TryParse(val, out i))
|
|
|
|
|
{
|
|
|
|
|
return i;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Gets a DateTime from an FFProbeResult tags dictionary
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="tags">The tags.</param>
|
|
|
|
|
/// <param name="key">The key.</param>
|
|
|
|
|
/// <returns>System.Nullable{DateTime}.</returns>
|
|
|
|
|
protected DateTime? GetDictionaryDateTime(Dictionary<string, string> tags, string key)
|
|
|
|
|
{
|
|
|
|
|
var val = GetDictionaryValue(tags, key);
|
|
|
|
|
|
|
|
|
|
if (!string.IsNullOrEmpty(val))
|
|
|
|
|
{
|
|
|
|
|
DateTime i;
|
|
|
|
|
|
|
|
|
|
if (DateTime.TryParse(val, out i))
|
|
|
|
|
{
|
|
|
|
|
return i.ToUniversalTime();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return null;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Converts a dictionary to case insensitive
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <param name="dict">The dict.</param>
|
|
|
|
|
/// <returns>Dictionary{System.StringSystem.String}.</returns>
|
|
|
|
|
private Dictionary<string, string> ConvertDictionaryToCaseInSensitive(Dictionary<string, string> dict)
|
|
|
|
|
{
|
|
|
|
|
return new Dictionary<string, string>(dict, StringComparer.OrdinalIgnoreCase);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|