public async Task NowPlaying(Audio item, LastfmUser user)
{
var request = new NowPlayingRequest
{
Track = item.Name,
Album = item.Album,
Artist = item.Artists.First(),
ApiKey = Strings.Keys.LastfmApiKey,
Method = Strings.Methods.NowPlaying,
SessionKey = user.SessionKey
};
//Add duration
if (item.RunTimeTicks != null)
request.Duration = Convert.ToInt32(TimeSpan.FromTicks((long)item.RunTimeTicks).TotalSeconds);
var response = await Post<NowPlayingRequest, ScrobbleResponse>(request);
if (response != null && !response.IsError())
{
Plugin.Logger.Info("{0} is now playing '{1}' - {2} - {3}", user.Username, request.Track, request.Album, request.Artist);
return;
}
Plugin.Logger.Error("Failed to send now playing for track: {0}", item.Name);
}
public IEnumerable<Audio> GetInstantMixFromSong(Audio item, User user)
{
var list = new List<Audio>
{
item
};
return list.Concat(GetInstantMixFromGenres(item.Genres, user));
}
public async Task<DynamicImageResponse> GetImage(Audio item, List<MediaStream> imageStreams, CancellationToken cancellationToken)
{
var path = GetAudioImagePath(item);
if (!_fileSystem.FileExists(path))
{
var semaphore = GetLock(path);
// Acquire a lock
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
// Check again in case it was saved while waiting for the lock
if (!_fileSystem.FileExists(path))
{
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
var imageStream = imageStreams.FirstOrDefault(i => (i.Comment ?? string.Empty).IndexOf("front", StringComparison.OrdinalIgnoreCase) != -1) ??
imageStreams.FirstOrDefault(i => (i.Comment ?? string.Empty).IndexOf("cover", StringComparison.OrdinalIgnoreCase) != -1) ??
imageStreams.FirstOrDefault();
var imageStreamIndex = imageStream == null ? (int?)null : imageStream.Index;
var tempFile = await _mediaEncoder.ExtractAudioImage(item.Path, imageStreamIndex, cancellationToken).ConfigureAwait(false);
File.Copy(tempFile, path, true);
try
{
File.Delete(tempFile);
}
catch
{
}
}
}
finally
{
semaphore.Release();
}
}
return new DynamicImageResponse
{
HasImage = true,
Path = path
};
}
public PlaylistItem Create(Audio item, List<MediaStream> mediaStreams, DeviceProfile profile)
{
var playlistItem = new PlaylistItem
{
ItemId = item.Id.ToString("N"),
MediaType = DlnaProfileType.Audio
};
var audioStream = mediaStreams.FirstOrDefault(i => i.Type == MediaStreamType.Audio);
var directPlay = profile.DirectPlayProfiles
.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsSupported(i, item, audioStream));
if (directPlay != null)
{
var audioCodec = audioStream == null ? null : audioStream.Codec;
// Make sure audio codec profiles are satisfied
if (!string.IsNullOrEmpty(audioCodec) && profile.CodecProfiles.Where(i => i.Type == CodecType.Audio && i.ContainsCodec(audioCodec))
.All(i => AreConditionsSatisfied(i.Conditions, item.Path, null, audioStream)))
{
playlistItem.Transcode = false;
playlistItem.Container = Path.GetExtension(item.Path);
return playlistItem;
}
}
var transcodingProfile = profile.TranscodingProfiles
.FirstOrDefault(i => i.Type == playlistItem.MediaType && IsSupported(profile, i, item));
if (transcodingProfile != null)
{
playlistItem.Transcode = true;
playlistItem.Container = "." + transcodingProfile.Container.TrimStart('.');
playlistItem.AudioCodec = transcodingProfile.AudioCodec;
var audioTranscodingConditions = profile.CodecProfiles
.Where(i => i.Type == CodecType.Audio && i.ContainsCodec(transcodingProfile.AudioCodec))
.Take(1)
.SelectMany(i => i.Conditions);
ApplyTranscodingConditions(playlistItem, audioTranscodingConditions);
}
return playlistItem;
}
public async Task<DynamicImageResponse> GetImage(Audio item, CancellationToken cancellationToken)
{
var path = GetAudioImagePath(item);
if (!_fileSystem.FileExists(path))
{
var semaphore = GetLock(path);
// Acquire a lock
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
// Check again in case it was saved while waiting for the lock
if (!_fileSystem.FileExists(path))
{
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
using (var stream = await _mediaEncoder.ExtractAudioImage(item.Path, cancellationToken).ConfigureAwait(false))
{
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
{
HasImage = true,
Path = path
};
}
public async Task Scrobble(Audio item, LastfmUser user)
{
var request = new ScrobbleRequest
{
Track = item.Name,
Album = item.Album,
Artist = item.Artists.First(),
Timestamp = Helpers.CurrentTimestamp(),
ApiKey = Strings.Keys.LastfmApiKey,
Method = Strings.Methods.Scrobble,
SessionKey = user.SessionKey
};
var response = await Post<ScrobbleRequest, ScrobbleResponse>(request);
if (response != null && !response.IsError())
{
Plugin.Logger.Info("{0} played '{1}' - {2} - {3}", user.Username, request.Track, request.Album, request.Artist);
return;
}
Plugin.Logger.Error("Failed to Scrobble track: {0}", item.Name);
}
private void AddAudioResource(XmlElement container, Audio audio, string deviceId, Filter filter, StreamInfo streamInfo = null)
{
var res = container.OwnerDocument.CreateElement(string.Empty, "res", NS_DIDL);
if (streamInfo == null)
{
var sources = _user == null ? audio.GetMediaSources(true).ToList() : audio.GetMediaSources(true, _user).ToList();
streamInfo = new StreamBuilder().BuildAudioItem(new AudioOptions
{
ItemId = audio.Id.ToString("N"),
MediaSources = sources,
Profile = _profile,
DeviceId = deviceId
});
}
var url = streamInfo.ToDlnaUrl(_serverAddress);
res.InnerText = url;
var mediaSource = streamInfo.MediaSource;
if (mediaSource.RunTimeTicks.HasValue)
{
res.SetAttribute("duration", TimeSpan.FromTicks(mediaSource.RunTimeTicks.Value).ToString("c", _usCulture));
}
if (filter.Contains("res@size"))
{
if (streamInfo.IsDirectStream || streamInfo.EstimateContentLength)
{
var size = streamInfo.TargetSize;
if (size.HasValue)
{
res.SetAttribute("size", size.Value.ToString(_usCulture));
}
}
}
var targetAudioBitrate = streamInfo.TargetAudioBitrate;
var targetSampleRate = streamInfo.TargetAudioSampleRate;
var targetChannels = streamInfo.TargetAudioChannels;
if (targetChannels.HasValue)
{
res.SetAttribute("nrAudioChannels", targetChannels.Value.ToString(_usCulture));
}
if (targetSampleRate.HasValue)
{
res.SetAttribute("sampleFrequency", targetSampleRate.Value.ToString(_usCulture));
}
if (targetAudioBitrate.HasValue)
{
res.SetAttribute("bitrate", targetAudioBitrate.Value.ToString(_usCulture));
}
var mediaProfile = _profile.GetAudioMediaProfile(streamInfo.Container,
streamInfo.AudioCodec,
targetChannels,
targetAudioBitrate);
var filename = url.Substring(0, url.IndexOf('?'));
var mimeType = mediaProfile == null || string.IsNullOrEmpty(mediaProfile.MimeType)
? MimeTypes.GetMimeType(filename)
: mediaProfile.MimeType;
var contentFeatures = new ContentFeatureBuilder(_profile).BuildAudioHeader(streamInfo.Container,
streamInfo.TargetAudioCodec,
targetAudioBitrate,
targetSampleRate,
targetChannels,
streamInfo.IsDirectStream,
streamInfo.RunTimeTicks,
streamInfo.TranscodeSeekInfo);
res.SetAttribute("protocolInfo", String.Format(
"http-get:*:{0}:{1}",
mimeType,
contentFeatures
));
container.AppendChild(res);
}
public static LastfmTrack FindMatchedLastfmSong(List<LastfmTrack> tracks, Audio song)
{
return tracks.FirstOrDefault(lastfmTrack => StringHelper.IsLike(song.Name, lastfmTrack.Name));
}
/// <summary>
/// Loves or unloves a track
/// </summary>
/// <param name="item">The track</param>
/// <param name="user">The Lastfm User</param>
/// <param name="love">If the track is loved or not</param>
/// <returns></returns>
public async Task<bool> LoveTrack(Audio item, LastfmUser user, bool love = true)
{
var request = new TrackLoveRequest
{
Artist = item.Artists.First(),
Track = item.Name,
ApiKey = Strings.Keys.LastfmApiKey,
Method = love ? Strings.Methods.TrackLove : Strings.Methods.TrackUnlove,
SessionKey = user.SessionKey,
};
//Send the request
var response = await Post<TrackLoveRequest, BaseResponse>(request);
if (response != null && !response.IsError())
{
Plugin.Logger.Info("{0} {2}loved track '{1}'", user.Username, item.Name, (love ? "" : "un"));
return true;
}
Plugin.Logger.Error("{0} Failed to love = {3} track '{1}' - {2}", user.Username, item.Name, response.Message, love);
return false;
}
private async Task Sync(SyncJobItem jobItem, Audio item, DeviceProfile profile, CancellationToken cancellationToken)
{
var options = new AudioOptions
{
Context = EncodingContext.Static,
ItemId = item.Id.ToString("N"),
DeviceId = jobItem.TargetId,
Profile = profile,
MediaSources = item.GetMediaSources(false).ToList()
};
var streamInfo = new StreamBuilder().BuildAudioItem(options);
var mediaSource = streamInfo.MediaSource;
jobItem.MediaSourceId = streamInfo.MediaSourceId;
if (streamInfo.PlayMethod == PlayMethod.Transcode)
{
jobItem.Status = SyncJobItemStatus.Converting;
await _syncRepo.Update(jobItem).ConfigureAwait(false);
jobItem.OutputPath = await _mediaEncoder.EncodeAudio(new EncodingJobOptions(streamInfo, profile), new Progress<double>(), cancellationToken);
}
else
{
if (mediaSource.Protocol == MediaProtocol.File)
{
jobItem.OutputPath = mediaSource.Path;
}
else if (mediaSource.Protocol == MediaProtocol.Http)
{
jobItem.OutputPath = await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
}
else
{
throw new InvalidOperationException(string.Format("Cannot direct stream {0} protocol", mediaSource.Protocol));
}
}
jobItem.Progress = 50;
jobItem.Status = SyncJobItemStatus.Transferring;
await _syncRepo.Update(jobItem).ConfigureAwait(false);
}
/// <summary>
/// Gets the audio image path.
/// </summary>
/// <param name="item">The item.</param>
/// <returns>System.String.</returns>
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") + 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);
}
private bool IsSupported(DirectPlayProfile profile, Audio item, MediaStream audioStream)
{
var mediaPath = item.Path;
if (profile.Container.Length > 0)
{
// Check container type
var mediaContainer = Path.GetExtension(mediaPath);
if (!profile.GetContainers().Any(i => string.Equals("." + i.TrimStart('.'), mediaContainer, StringComparison.OrdinalIgnoreCase)))
{
return false;
}
}
return true;
}
private async Task Sync(SyncJobItem jobItem, SyncJob job, Audio item, User user, bool enableConversion, SyncOptions syncOptions, IProgress<double> progress, CancellationToken cancellationToken)
{
var jobOptions = _syncManager.GetAudioOptions(jobItem, job);
var conversionOptions = new AudioOptions
{
Profile = jobOptions.DeviceProfile
};
conversionOptions.DeviceId = jobItem.TargetId;
conversionOptions.Context = EncodingContext.Static;
conversionOptions.ItemId = item.Id.ToString("N");
conversionOptions.MediaSources = _mediaSourceManager.GetStaticMediaSources(item, false, user).ToList();
var streamInfo = new StreamBuilder(_logger).BuildAudioItem(conversionOptions);
var mediaSource = streamInfo.MediaSource;
jobItem.MediaSourceId = streamInfo.MediaSourceId;
jobItem.TemporaryPath = GetTemporaryPath(jobItem);
if (streamInfo.PlayMethod == PlayMethod.Transcode && jobOptions.IsConverting)
{
if (!enableConversion)
{
return;
}
jobItem.Status = SyncJobItemStatus.Converting;
await _syncManager.UpdateSyncJobItemInternal(jobItem).ConfigureAwait(false);
await UpdateJobStatus(job).ConfigureAwait(false);
try
{
var lastJobUpdate = DateTime.MinValue;
var innerProgress = new ActionableProgress<double>();
innerProgress.RegisterAction(async pct =>
{
progress.Report(pct);
if ((DateTime.UtcNow - lastJobUpdate).TotalSeconds >= DatabaseProgressUpdateIntervalSeconds)
{
jobItem.Progress = pct / 2;
await _syncManager.UpdateSyncJobItemInternal(jobItem).ConfigureAwait(false);
await UpdateJobStatus(job).ConfigureAwait(false);
}
});
jobItem.OutputPath = await _mediaEncoder.EncodeAudio(new EncodingJobOptions(streamInfo, conversionOptions.Profile)
{
OutputDirectory = jobItem.TemporaryPath,
CpuCoreLimit = syncOptions.TranscodingCpuCoreLimit
}, innerProgress, cancellationToken);
}
catch (OperationCanceledException)
{
jobItem.Status = SyncJobItemStatus.Queued;
jobItem.Progress = 0;
}
catch (Exception ex)
{
jobItem.Status = SyncJobItemStatus.Failed;
_logger.ErrorException("Error during sync transcoding", ex);
}
if (jobItem.Status == SyncJobItemStatus.Failed || jobItem.Status == SyncJobItemStatus.Queued)
{
await _syncManager.UpdateSyncJobItemInternal(jobItem).ConfigureAwait(false);
return;
}
jobItem.MediaSource = await GetEncodedMediaSource(jobItem.OutputPath, user, false).ConfigureAwait(false);
}
else
{
if (mediaSource.Protocol == MediaProtocol.File)
{
jobItem.OutputPath = mediaSource.Path;
}
else if (mediaSource.Protocol == MediaProtocol.Http)
{
jobItem.OutputPath = await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
}
else
{
throw new InvalidOperationException(string.Format("Cannot direct stream {0} protocol", mediaSource.Protocol));
}
jobItem.MediaSource = mediaSource;
}
jobItem.MediaSource.SupportsTranscoding = false;
jobItem.Progress = 50;
jobItem.Status = SyncJobItemStatus.ReadyToTransfer;
await _syncManager.UpdateSyncJobItemInternal(jobItem).ConfigureAwait(false);
}
private void AddAudioResource(XmlElement container, Audio audio, string deviceId, Filter filter)
{
var res = container.OwnerDocument.CreateElement(string.Empty, "res", NS_DIDL);
var sources = _dtoService.GetMediaSources(audio);
var streamInfo = new StreamBuilder().BuildAudioItem(new AudioOptions
{
ItemId = audio.Id.ToString("N"),
MediaSources = sources,
Profile = _profile,
DeviceId = deviceId
});
var url = streamInfo.ToDlnaUrl(_serverAddress);
res.InnerText = url;
var mediaSource = sources.First(i => string.Equals(i.Id, streamInfo.MediaSourceId));
if (mediaSource.RunTimeTicks.HasValue)
{
res.SetAttribute("duration", TimeSpan.FromTicks(mediaSource.RunTimeTicks.Value).ToString("c", _usCulture));
}
if (filter.Contains("res@size"))
{
if (streamInfo.IsDirectStream || streamInfo.EstimateContentLength)
{
var size = streamInfo.TargetSize;
if (size.HasValue)
{
res.SetAttribute("size", size.Value.ToString(_usCulture));
}
}
}
var targetAudioBitrate = streamInfo.TargetAudioBitrate;
var targetSampleRate = streamInfo.TargetAudioSampleRate;
var targetChannels = streamInfo.TargetAudioChannels;
if (targetChannels.HasValue)
{
res.SetAttribute("nrAudioChannels", targetChannels.Value.ToString(_usCulture));
}
if (targetSampleRate.HasValue)
{
res.SetAttribute("sampleFrequency", targetSampleRate.Value.ToString(_usCulture));
}
if (targetAudioBitrate.HasValue)
{
res.SetAttribute("bitrate", targetAudioBitrate.Value.ToString(_usCulture));
}
var formatProfile = new MediaFormatProfileResolver().ResolveAudioFormat(streamInfo.Container, targetAudioBitrate, targetSampleRate, targetChannels);
var filename = url.Substring(0, url.IndexOf('?'));
var orgOpValue = DlnaMaps.GetOrgOpValue(mediaSource.RunTimeTicks.HasValue, streamInfo.IsDirectStream, streamInfo.TranscodeSeekInfo);
var orgCi = streamInfo.IsDirectStream ? ";DLNA.ORG_CI=0" : ";DLNA.ORG_CI=1";
res.SetAttribute("protocolInfo", String.Format(
"http-get:*:{0}:DLNA.ORG_PN={1};DLNA.ORG_OP={2};DLNA.ORG_CI={3};DLNA.ORG_FLAGS={4}",
MimeTypes.GetMimeType(filename),
formatProfile,
orgOpValue,
orgCi,
DlnaMaps.DefaultStreaming
));
container.AppendChild(res);
}
/// <summary>
/// Unlove a track. This is the same as LoveTrack with love as false
/// </summary>
/// <param name="item">The track</param>
/// <param name="user">The Lastfm User</param>
/// <returns></returns>
public async Task<bool> UnloveTrack(Audio item, LastfmUser user)
{
return await LoveTrack(item, user, false);
}
private string GetAudioImagePath(Audio item)
{
var album = item.AlbumEntity;
var filename = item.Album ?? string.Empty;
filename += string.Join(",", item.Artists.ToArray());
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);
}
/// <summary>
/// Creates the images for song.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
/// <exception cref="System.InvalidOperationException">Can't extract an image unless the audio file has an embedded image.</exception>
private async Task CreateImagesForSong(Audio item, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var path = GetAudioImagePath(item);
if (!File.Exists(path))
{
var semaphore = GetLock(path);
// Acquire a lock
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
// Check again
if (!File.Exists(path))
{
try
{
var parentPath = Path.GetDirectoryName(path);
Directory.CreateDirectory(parentPath);
await _mediaEncoder.ExtractImage(new[] { item.Path }, InputType.AudioFile, null, null, path, cancellationToken).ConfigureAwait(false);
}
finally
{
semaphore.Release();
}
}
else
{
semaphore.Release();
}
}
// Image is already in the cache
item.PrimaryImagePath = path;
}
private bool IsSupported(DeviceProfile profile, TranscodingProfile transcodingProfile, Audio item)
{
// Placeholder for future conditions
return true;
}
/// <summary>
/// Creates the images for song.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
/// <exception cref="System.InvalidOperationException">Can't extract an image unless the audio file has an embedded image.</exception>
private async Task CreateImagesForSong(Audio item, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
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") + item.DateModified.Ticks : album.Id.ToString("N") + album.DateModified.Ticks;
var path = ImageCache.GetResourcePath(filename + "_primary", ".jpg");
if (!File.Exists(path))
{
var semaphore = GetLock(path);
// Acquire a lock
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
// Check again
if (!File.Exists(path))
{
try
{
var parentPath = Path.GetDirectoryName(path);
Directory.CreateDirectory(parentPath);
await _mediaEncoder.ExtractImage(new[] { item.Path }, InputType.AudioFile, null, null, path, cancellationToken).ConfigureAwait(false);
}
finally
{
semaphore.Release();
}
}
else
{
semaphore.Release();
}
}
// Image is already in the cache
item.PrimaryImagePath = path;
}
private string GetAudioImagePath(Audio item)
{
var filename = item.Album ?? string.Empty;
filename += string.Join(",", item.Artists.ToArray());
if (!string.IsNullOrWhiteSpace(item.Album))
{
filename += "_" + item.Album;
}
else if (!string.IsNullOrWhiteSpace(item.Name))
{
filename += "_" + item.Name;
}
else
{
filename += "_" + item.Id.ToString("N");
}
filename = filename.GetMD5() + ".jpg";
var prefix = filename.Substring(0, 1);
return Path.Combine(AudioImagesPath, prefix, filename);
}
public IEnumerable<Audio> GetInstantMixFromSong(Audio item, User user)
{
return GetInstantMixFromGenres(item.Genres, user);
}
private async Task<string> Sync(SyncJobItem jobItem, Audio item, DeviceProfile profile, CancellationToken cancellationToken)
{
var options = new AudioOptions
{
Context = EncodingContext.Streaming,
ItemId = item.Id.ToString("N"),
DeviceId = jobItem.TargetId,
Profile = profile,
MediaSources = item.GetMediaSources(false).ToList()
};
var streamInfo = new StreamBuilder().BuildAudioItem(options);
var mediaSource = streamInfo.MediaSource;
if (streamInfo.PlayMethod != PlayMethod.Transcode)
{
if (mediaSource.Protocol == MediaProtocol.File)
{
return mediaSource.Path;
}
if (mediaSource.Protocol == MediaProtocol.Http)
{
return await DownloadFile(jobItem, mediaSource, cancellationToken).ConfigureAwait(false);
}
throw new InvalidOperationException(string.Format("Cannot direct stream {0} protocol", mediaSource.Protocol));
}
// TODO: Transcode
return mediaSource.Path;
}
