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share audio images from same artist/album

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This commit is contained in:
Luke Pulverenti 2014-02-06 18:52:59 -05:00
parent 14084fdd87
commit 69bba586f5
1 changed files with 73 additions and 8 deletions
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81
MediaBrowser.Providers/MediaInfo/AudioImageProvider.cs
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@ -1,5 +1,6 @@
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.MediaInfo;
@ -7,7 +8,10 @@ using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
@ -18,15 +22,19 @@ namespace MediaBrowser.Providers.MediaInfo
/// </summary>
public class AudioImageProvider : IDynamicImageProvider, IHasChangeMonitor
{
private readonly ConcurrentDictionary<string, SemaphoreSlim> _locks = new ConcurrentDictionary<string, SemaphoreSlim>();
private readonly IIsoManager _isoManager;
private readonly IMediaEncoder _mediaEncoder;
private readonly IServerConfigurationManager _config;
private readonly IFileSystem _fileSystem;
public AudioImageProvider(IIsoManager isoManager, IMediaEncoder mediaEncoder, IServerConfigurationManager config)
public AudioImageProvider(IIsoManager isoManager, IMediaEncoder mediaEncoder, IServerConfigurationManager config, IFileSystem fileSystem)
{
_isoManager = isoManager;
_mediaEncoder = mediaEncoder;
_config = config;
_fileSystem = fileSystem;
}
/// <summary>
@ -65,21 +73,78 @@ namespace MediaBrowser.Providers.MediaInfo
return Task.FromResult(new DynamicImageResponse { HasImage = false });
}
return GetVideoImage((Audio)item, cancellationToken);
return GetImage((Audio)item, cancellationToken);
}
public async Task<DynamicImageResponse> GetVideoImage(Audio item, CancellationToken cancellationToken)
public async Task<DynamicImageResponse> GetImage(Audio item, CancellationToken cancellationToken)
{
var stream = await _mediaEncoder.ExtractImage(new[] { item.Path }, InputType.File, true, null, null, cancellationToken).ConfigureAwait(false);
var path = GetAudioImagePath(item);
if (!File.Exists(path))
{
using (var stream = await _mediaEncoder.ExtractImage(new[] { item.Path }, InputType.File, true, null, null, cancellationToken).ConfigureAwait(false))
{
var semaphore = GetLock(path);
Directory.CreateDirectory(Path.GetDirectoryName(path));
// Acquire a lock
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
using (var fileStream = _fileSystem.GetFileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read, true))
{
await stream.CopyToAsync(fileStream).ConfigureAwait(false);
}
}
finally
{
semaphore.Release();
}
}
}
return new DynamicImageResponse
{
Format = ImageFormat.Jpg,
HasImage = true,
Stream = stream
Path = path
};
}
private string GetAudioImagePath(Audio item)
{
var album = item.Parent as MusicAlbum;
var filename = item.Album ?? string.Empty;
filename += item.Artists.FirstOrDefault() ?? string.Empty;
filename += album == null ? item.Id.ToString("N") + "_primary" + item.DateModified.Ticks : album.Id.ToString("N") + album.DateModified.Ticks + "_primary";
filename = filename.GetMD5() + ".jpg";
var prefix = filename.Substring(0, 1);
return Path.Combine(AudioImagesPath, prefix, filename);
}
public string AudioImagesPath
{
get
{
return Path.Combine(_config.ApplicationPaths.CachePath, "extracted-audio-images");
}
}
/// <summary>
/// Gets the lock.
/// </summary>
/// <param name="filename">The filename.</param>
/// <returns>SemaphoreSlim.</returns>
private SemaphoreSlim GetLock(string filename)
{
return _locks.GetOrAdd(filename, key => new SemaphoreSlim(1, 1));
}
public string Name
{
get { return "Embedded Image"; }