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made library scan a bit more conservative

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Luke Pulverenti
2013-04-15 11:10:12 -04:00
parent a4cac9c95d
commit 30d6e2cd6c
17 changed files with 677 additions and 592 deletions
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101
MediaBrowser.Controller/Providers/MediaInfo/AudioImageProvider.cs Normal file
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using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers.MediaInfo
{
/// <summary>
/// Uses ffmpeg to create video images
/// </summary>
public class AudioImageProvider : BaseMetadataProvider
{
/// <summary>
/// Initializes a new instance of the <see cref="BaseMetadataProvider" /> class.
/// </summary>
/// <param name="logManager">The log manager.</param>
/// <param name="configurationManager">The configuration manager.</param>
public AudioImageProvider(ILogManager logManager, IServerConfigurationManager configurationManager)
: base(logManager, configurationManager)
{
}
/// <summary>
/// The true task result
/// </summary>
protected static readonly Task<bool> TrueTaskResult = Task.FromResult(true);
/// <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 Audio;
}
/// <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>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override MetadataProviderPriority Priority
{
get { return MetadataProviderPriority.Last; }
}
/// <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 (!string.IsNullOrEmpty(item.PrimaryImagePath))
{
return false;
}
return base.NeedsRefreshInternal(item, providerInfo);
}
/// <summary>
/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
/// </summary>
/// <param name="item">The item.</param>
/// <param name="force">if set to <c>true</c> [force].</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
{
if (force || string.IsNullOrEmpty(item.PrimaryImagePath))
{
var album = item.ResolveArgs.Parent as MusicAlbum;
if (album != null)
{
// First try to use the parent's image
item.PrimaryImagePath = item.ResolveArgs.Parent.PrimaryImagePath;
}
}
SetLastRefreshed(item, DateTime.UtcNow);
return TrueTaskResult;
}
}
}

143
MediaBrowser.Controller/Providers/MediaInfo/FFMpegAudioImageProvider.cs
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using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Concurrent;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers.MediaInfo
{
/// <summary>
/// Uses ffmpeg to create video images
/// </summary>
public class FFMpegAudioImageProvider : BaseFFMpegProvider<Audio>
{
public FFMpegAudioImageProvider(ILogManager logManager, IServerConfigurationManager configurationManager, IMediaEncoder mediaEncoder)
: base(logManager, configurationManager, mediaEncoder)
{
}
/// <summary>
/// The true task result
/// </summary>
protected static readonly Task<bool> TrueTaskResult = Task.FromResult(true);
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override MetadataProviderPriority Priority
{
get { return MetadataProviderPriority.Last; }
}
/// <summary>
/// The _locks
/// </summary>
private readonly ConcurrentDictionary<string, SemaphoreSlim> _locks = new ConcurrentDictionary<string, SemaphoreSlim>();
/// <summary>
/// Gets the lock.
/// </summary>
/// <param name="filename">The filename.</param>
/// <returns>System.Object.</returns>
private SemaphoreSlim GetLock(string filename)
{
return _locks.GetOrAdd(filename, key => new SemaphoreSlim(1, 1));
}
/// <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 (!string.IsNullOrEmpty(item.PrimaryImagePath))
{
return false;
}
return base.NeedsRefreshInternal(item, providerInfo);
}
/// <summary>
/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
/// </summary>
/// <param name="item">The item.</param>
/// <param name="force">if set to <c>true</c> [force].</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
public override async Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
{
var success = ProviderRefreshStatus.Success;
if (force || string.IsNullOrEmpty(item.PrimaryImagePath))
{
var album = item.ResolveArgs.Parent as MusicAlbum;
if (album != null)
{
// First try to use the parent's image
item.PrimaryImagePath = item.ResolveArgs.Parent.PrimaryImagePath;
}
// If it's still empty see if there's an embedded image
if (force || string.IsNullOrEmpty(item.PrimaryImagePath))
{
var audio = (Audio)item;
if (audio.MediaStreams != null && audio.MediaStreams.Any(s => s.Type == MediaStreamType.Video))
{
var filename = album != null && string.IsNullOrEmpty(audio.Album + album.DateModified.Ticks) ? (audio.Id.ToString() + audio.DateModified.Ticks) : audio.Album;
var path = Kernel.Instance.FFMpegManager.AudioImageCache.GetResourcePath(filename + "_primary", ".jpg");
if (!Kernel.Instance.FFMpegManager.AudioImageCache.ContainsFilePath(path))
{
var semaphore = GetLock(path);
// Acquire a lock
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
// Check again
if (!Kernel.Instance.FFMpegManager.AudioImageCache.ContainsFilePath(path))
{
try
{
await MediaEncoder.ExtractImage(new[] { audio.Path }, InputType.AudioFile, null, path, cancellationToken).ConfigureAwait(false);
}
catch
{
success = ProviderRefreshStatus.Failure;
}
finally
{
semaphore.Release();
}
}
else
{
semaphore.Release();
}
}
if (success == ProviderRefreshStatus.Success)
{
// Image is already in the cache
audio.PrimaryImagePath = path;
}
}
}
}
SetLastRefreshed(item, DateTime.UtcNow, success);
return true;
}
}
}

188
MediaBrowser.Controller/Providers/MediaInfo/FFMpegVideoImageProvider.cs
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@@ -1,188 +0,0 @@
using MediaBrowser.Common.IO;
using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers.MediaInfo
{
/// <summary>
/// Uses ffmpeg to create video images
/// </summary>
public class FfMpegVideoImageProvider : BaseFFMpegProvider<Video>
{
/// <summary>
/// The _iso manager
/// </summary>
private readonly IIsoManager _isoManager;
/// <summary>
/// Initializes a new instance of the <see cref="FfMpegVideoImageProvider" /> class.
/// </summary>
/// <param name="isoManager">The iso manager.</param>
/// <param name="logManager">The log manager.</param>
/// <param name="configurationManager">The configuration manager.</param>
/// <param name="mediaEncoder">The media encoder.</param>
public FfMpegVideoImageProvider(IIsoManager isoManager, ILogManager logManager, IServerConfigurationManager configurationManager, IMediaEncoder mediaEncoder)
: base(logManager, configurationManager, mediaEncoder)
{
_isoManager = isoManager;
}
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public override MetadataProviderPriority Priority
{
get { return MetadataProviderPriority.Last; }
}
/// <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)
{
if (item.LocationType != LocationType.FileSystem)
{
return false;
}
var video = item as Video;
if (video != null)
{
if (video.VideoType == VideoType.Iso && _isoManager.CanMount(item.Path))
{
return true;
}
// We can only extract images from folder rips if we know the largest stream path
return video.VideoType == VideoType.VideoFile || video.VideoType == VideoType.BluRay || video.VideoType == VideoType.Dvd;
}
return false;
}
/// <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 (!string.IsNullOrEmpty(item.PrimaryImagePath))
{
return false;
}
return base.NeedsRefreshInternal(item, providerInfo);
}
/// <summary>
/// The true task result
/// </summary>
protected static readonly Task<bool> TrueTaskResult = Task.FromResult(true);
/// <summary>
/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
/// </summary>
/// <param name="item">The item.</param>
/// <param name="force">if set to <c>true</c> [force].</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
{
if (force || string.IsNullOrEmpty(item.PrimaryImagePath))
{
var video = (Video)item;
// We can only extract images from videos if we know there's an embedded video stream
if (video.MediaStreams != null && video.MediaStreams.Any(m => m.Type == MediaStreamType.Video))
{
var filename = item.Id + "_" + item.DateModified.Ticks + "_primary";
var path = Kernel.Instance.FFMpegManager.VideoImageCache.GetResourcePath(filename, ".jpg");
if (!Kernel.Instance.FFMpegManager.VideoImageCache.ContainsFilePath(path))
{
return ExtractImage(video, path, cancellationToken);
}
// Image is already in the cache
item.PrimaryImagePath = path;
}
}
SetLastRefreshed(item, DateTime.UtcNow);
return TrueTaskResult;
}
/// <summary>
/// Mounts the iso if needed.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>IsoMount.</returns>
protected Task<IIsoMount> MountIsoIfNeeded(Video item, CancellationToken cancellationToken)
{
if (item.VideoType == VideoType.Iso)
{
return _isoManager.Mount(item.Path, cancellationToken);
}
return NullMountTaskResult;
}
/// <summary>
/// Extracts the image.
/// </summary>
/// <param name="video">The video.</param>
/// <param name="path">The path.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task{System.Boolean}.</returns>
private async Task<bool> ExtractImage(Video video, string path, CancellationToken cancellationToken)
{
var isoMount = await MountIsoIfNeeded(video, cancellationToken).ConfigureAwait(false);
try
{
// If we know the duration, grab it from 10% into the video. Otherwise just 10 seconds in.
// Always use 10 seconds for dvd because our duration could be out of whack
var imageOffset = video.VideoType != VideoType.Dvd && video.RunTimeTicks.HasValue &&
video.RunTimeTicks.Value > 0
? TimeSpan.FromTicks(Convert.ToInt64(video.RunTimeTicks.Value * .1))
: TimeSpan.FromSeconds(10);
InputType type;
var inputPath = MediaEncoderHelpers.GetInputArgument(video, isoMount, out type);
await MediaEncoder.ExtractImage(inputPath, type, imageOffset, path, cancellationToken).ConfigureAwait(false);
video.PrimaryImagePath = path;
SetLastRefreshed(video, DateTime.UtcNow);
}
catch
{
SetLastRefreshed(video, DateTime.UtcNow, ProviderRefreshStatus.Failure);
}
finally
{
if (isoMount != null)
{
isoMount.Dispose();
}
}
return true;
}
}
}