public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary <Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
try
{
IResourceAccessor ra = mediaItemAccessor.Clone();
try
{
using (ILocalFsResourceAccessor fsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(ra))
if (fsra != null && fsra.IsDirectory && fsra.ResourceExists("BDMV"))
{
IFileSystemResourceAccessor fsraBDMV = fsra.GetResource("BDMV");
if (fsraBDMV != null && fsraBDMV.ResourceExists("index.bdmv"))
{
// This line is important to keep in, if no VideoAspect is created here, the MediaItems is not detected as Video!
MediaItemAspect.GetOrCreateAspect(extractedAspectData, VideoAspect.Metadata);
MediaItemAspect mediaAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, MediaAspect.Metadata);
mediaAspect.SetAttribute(MediaAspect.ATTR_MIME_TYPE, "video/bluray"); // BluRay disc
string bdmvDirectory = fsra.LocalFileSystemPath;
BDInfoExt bdinfo = new BDInfoExt(bdmvDirectory);
string title = bdinfo.GetTitle();
mediaAspect.SetAttribute(MediaAspect.ATTR_TITLE, title ?? mediaItemAccessor.ResourceName);
// Check for BD disc thumbs
FileInfo thumbnail = bdinfo.GetBiggestThumb();
if (thumbnail != null)
{
byte[] binary = new byte[thumbnail.Length];
using (FileStream fileStream = new FileStream(thumbnail.FullName, FileMode.Open, FileAccess.Read))
using (BinaryReader binaryReader = new BinaryReader(fileStream))
binaryReader.Read(binary, 0, binary.Length);
MediaItemAspect.SetAttribute(extractedAspectData, ThumbnailLargeAspect.ATTR_THUMBNAIL, binary);
}
return(true);
}
}
}
catch
{
ra.Dispose();
throw;
}
return(false);
}
catch
{
// Only log at the info level here - And simply return false. This makes the importer know that we
// couldn't perform our task here
if (mediaItemAccessor != null)
{
ServiceRegistration.Get <ILogger>().Info("BluRayMetadataExtractor: Exception reading source '{0}'", mediaItemAccessor.ResourcePathName);
}
return(false);
}
}
protected static void AddToCache(ResourcePath path, IResourceAccessor ra)
{
lock (_cachedResourceAccessors.SyncObj)
{
if (!_cachedResourceAccessors.Contains(path))
{
_cachedResourceAccessors.Add(path, ra.Clone());
}
}
}
protected static bool TryGetCloneFromCache(ResourcePath path, out IResourceAccessor ra)
{
lock (_cachedResourceAccessors.SyncObj)
if (_cachedResourceAccessors.TryGetValue(path, out ra))
{
_cachedResourceAccessors.Touch(path);
ra = ra.Clone();
return(true);
}
return(false);
}
protected static void AddToCache(ResourcePath path, IResourceAccessor ra)
{
if (ra is IUncachableResource)
{
return; // not cacheable
}
lock (_cachedResourceAccessors.SyncObj)
{
if (!_cachedResourceAccessors.Contains(path))
{
_cachedResourceAccessors.Add(path, ra.Clone());
}
}
}
/// <summary>
/// Creates a new <see cref="LocalFsResourceAccessor"/> instance. The given <paramref name="mediaItemAccessor"/> will be either directly used or
/// given over to the <see cref="StreamedResourceToLocalFsAccessBridge"/>. The caller must call <see cref="Dispose"/> on the created <see cref="LocalFsResourceAccessorHelper"/>
/// instance but must not dispose the given <paramref name="mediaItemAccessor"/>.
/// </summary>
/// <param name="mediaItemAccessor">IResourceAccessor.</param>
public LocalFsResourceAccessorHelper(IResourceAccessor mediaItemAccessor)
{
_localFsra = mediaItemAccessor as ILocalFsResourceAccessor;
_disposeLfsra = null;
if (_localFsra != null)
return;
IFileSystemResourceAccessor localFsra = (IFileSystemResourceAccessor) mediaItemAccessor.Clone();
try
{
_localFsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(localFsra);
_disposeLfsra = _localFsra;
}
catch (Exception)
{
localFsra.Dispose();
throw;
}
}
public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary <Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
try
{
if (forceQuickMode)
{
return(false);
}
using (IResourceAccessor ra = mediaItemAccessor.Clone())
using (ILocalFsResourceAccessor lfsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(ra))
return(ExtractMovieData(lfsra, extractedAspectData));
}
catch (Exception e)
{
// Only log at the info level here - And simply return false. This lets the caller know that we
// couldn't perform our task here.
ServiceRegistration.Get <ILogger>().Info("MoviesMetadataExtractor: Exception reading resource '{0}' (Text: '{1}')", mediaItemAccessor.CanonicalLocalResourcePath, e.Message);
}
return(false);
}
/// <summary>
/// Creates a new <see cref="LocalFsResourceAccessor"/> instance. The given <paramref name="mediaItemAccessor"/> will be either directly used or
/// given over to the <see cref="StreamedResourceToLocalFsAccessBridge"/>. The caller must call <see cref="Dispose"/> on the created <see cref="LocalFsResourceAccessorHelper"/>
/// instance but must not dispose the given <paramref name="mediaItemAccessor"/>.
/// </summary>
/// <param name="mediaItemAccessor">IResourceAccessor.</param>
public LocalFsResourceAccessorHelper(IResourceAccessor mediaItemAccessor)
{
_localFsra = mediaItemAccessor as ILocalFsResourceAccessor;
_disposeLfsra = null;
if (_localFsra != null)
{
return;
}
IFileSystemResourceAccessor localFsra = (IFileSystemResourceAccessor)mediaItemAccessor.Clone();
try
{
_localFsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(localFsra);
_disposeLfsra = _localFsra;
}
catch (Exception)
{
localFsra.Dispose();
throw;
}
}
public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary<Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
try
{
IResourceAccessor ra = mediaItemAccessor.Clone();
try
{
using (ILocalFsResourceAccessor fsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(ra))
if (fsra != null && fsra.IsDirectory && fsra.ResourceExists("BDMV"))
{
IFileSystemResourceAccessor fsraBDMV = fsra.GetResource("BDMV");
if (fsraBDMV != null && fsraBDMV.ResourceExists("index.bdmv"))
{
// BluRay
MediaItemAspect mediaAspect;
if (!extractedAspectData.TryGetValue(MediaAspect.ASPECT_ID, out mediaAspect))
extractedAspectData[MediaAspect.ASPECT_ID] = mediaAspect = new MediaItemAspect(MediaAspect.Metadata);
MediaItemAspect videoAspect;
if (!extractedAspectData.TryGetValue(VideoAspect.ASPECT_ID, out videoAspect))
extractedAspectData[VideoAspect.ASPECT_ID] = new MediaItemAspect(VideoAspect.Metadata);
mediaAspect.SetAttribute(MediaAspect.ATTR_MIME_TYPE, "video/bluray"); // BluRay disc
string bdmvDirectory = fsra.LocalFileSystemPath;
BDInfoExt bdinfo = new BDInfoExt(bdmvDirectory);
mediaAspect.SetAttribute(MediaAspect.ATTR_TITLE, bdinfo.GetTitle() ?? mediaItemAccessor.ResourceName);
return true;
}
}
}
catch
{
ra.Dispose();
throw;
}
return false;
}
catch
{
// Only log at the info level here - And simply return false. This makes the importer know that we
// couldn't perform our task here
if (mediaItemAccessor != null)
ServiceRegistration.Get<ILogger>().Info("BluRayMetadataExtractor: Exception reading source '{0}'", mediaItemAccessor.ResourcePathName);
return false;
}
}
public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary<Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
try
{
if (forceQuickMode)
return false;
if (!(mediaItemAccessor is IFileSystemResourceAccessor))
return false;
using (IFileSystemResourceAccessor fsra = (IFileSystemResourceAccessor) mediaItemAccessor.Clone())
using (ILocalFsResourceAccessor lfsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(fsra))
{
string localFsPath = lfsra.LocalFileSystemPath;
return ExtractSeriesData(localFsPath, extractedAspectData);
}
}
catch (Exception e)
{
// Only log at the info level here - And simply return false. This lets the caller know that we
// couldn't perform our task here.
ServiceRegistration.Get<ILogger>().Info("SeriesMetadataExtractor: Exception reading resource '{0}' (Text: '{1}')", mediaItemAccessor.CanonicalLocalResourcePath, e.Message);
}
return false;
}
public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary <Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
try
{
VideoResult result = null;
IFileSystemResourceAccessor fsra = mediaItemAccessor as IFileSystemResourceAccessor;
if (fsra != null && fsra.IsDirectory && fsra.ResourceExists("VIDEO_TS"))
{
IFileSystemResourceAccessor fsraVideoTs = fsra.GetResource("VIDEO_TS");
if (fsraVideoTs != null && fsraVideoTs.ResourceExists("VIDEO_TS.IFO"))
{
// Video DVD
using (MediaInfoWrapper videoTsInfo = ReadMediaInfo(fsraVideoTs.GetResource("VIDEO_TS.IFO")))
{
if (!videoTsInfo.IsValid || videoTsInfo.GetVideoCount() == 0)
{
return(false); // Invalid video_ts.ifo file
}
result = VideoResult.CreateDVDInfo(fsra.ResourceName, videoTsInfo);
}
// Iterate over all video files; MediaInfo finds different audio/video metadata for each .ifo file
ICollection <IFileSystemResourceAccessor> files = fsraVideoTs.GetFiles();
if (files != null)
{
foreach (IFileSystemResourceAccessor file in files)
{
string lowerPath = (file.ResourcePathName ?? string.Empty).ToLowerInvariant();
if (!lowerPath.EndsWith(".ifo") || lowerPath.EndsWith("video_ts.ifo"))
{
continue;
}
using (MediaInfoWrapper mediaInfo = ReadMediaInfo(file))
{
// Before we start evaluating the file, check if it is a video at all
if (mediaInfo.IsValid && mediaInfo.GetVideoCount() == 0)
{
continue;
}
result.AddMediaInfo(mediaInfo);
}
}
}
}
}
else if (mediaItemAccessor.IsFile)
{
string filePath = mediaItemAccessor.ResourcePathName;
if (!HasVideoExtension(filePath))
{
return(false);
}
using (MediaInfoWrapper fileInfo = ReadMediaInfo(mediaItemAccessor))
{
// Before we start evaluating the file, check if it is a video at all
if (!fileInfo.IsValid || (fileInfo.GetVideoCount() == 0 && !IsWorkaroundRequired(filePath)))
{
return(false);
}
string mediaTitle = DosPathHelper.GetFileNameWithoutExtension(mediaItemAccessor.ResourceName);
result = VideoResult.CreateFileInfo(mediaTitle, fileInfo);
}
using (Stream stream = mediaItemAccessor.OpenRead())
result.MimeType = MimeTypeDetector.GetMimeType(stream);
}
if (result != null)
{
result.UpdateMetadata(extractedAspectData);
ILocalFsResourceAccessor disposeLfsra = null;
try
{
ILocalFsResourceAccessor lfsra = mediaItemAccessor as ILocalFsResourceAccessor;
if (lfsra == null && !forceQuickMode)
{ // In case forceQuickMode, we only want local browsing
IResourceAccessor ra = mediaItemAccessor.Clone();
try
{
lfsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(ra);
disposeLfsra = lfsra; // Remember to dispose the extra resource accessor instance
}
catch (Exception)
{
ra.Dispose();
}
}
if (lfsra != null)
{
string localFsPath = lfsra.LocalFileSystemPath;
ExtractMatroskaTags(localFsPath, extractedAspectData, forceQuickMode);
ExtractThumbnailData(localFsPath, extractedAspectData, forceQuickMode);
}
}
finally
{
if (disposeLfsra != null)
{
disposeLfsra.Dispose();
}
}
return(true);
}
}
catch (Exception e)
{
// Only log at the info level here - And simply return false. This lets the caller know that we
// couldn't perform our task here.
ServiceRegistration.Get <ILogger>().Info("VideoMetadataExtractor: Exception reading resource '{0}' (Text: '{1}')", mediaItemAccessor.CanonicalLocalResourcePath, e.Message);
}
return(false);
}
/// <summary>
/// Returns all child directories of the given directory.
/// </summary>
/// <remarks>
/// This will return all native child directories of the given directory together with all virtual child
/// directories. The native child directories are taken directly from the given <paramref name="directoryAccessor"/>,
/// the virtual child directories are obtained by taking the root directories of each chained resource provider applied
/// to the child files of the given directory.
/// If, for example, the given <paramref name="directoryAccessor"/> contains a child directory "A" and a child
/// archive file "B" which can work as input for an installed archive provider, providing the root directory "C"
/// of that archive, this method will return the resource accessors for directories "A" and "C".
/// </remarks>
/// <param name="directoryAccessor">Directory resource accessor to get all child directories for.</param>
/// <param name="showSystemResources">If set to <c>true</c>, system resources like the virtual drives and directories of the
/// <see cref="IResourceMountingService"/> will also be returned, else removed from the result value.</param>
/// <returns>Collection of directory accessors for all native and virtual child directories or <c>null</c>,
/// if the given <paramref name="directoryAccessor"/> is not a <see cref="IFileSystemResourceAccessor"/> and
/// if there is no chained resource provider to unfold the given directory.</returns>
public static ICollection<IFileSystemResourceAccessor> GetChildDirectories(IResourceAccessor directoryAccessor, bool showSystemResources)
{
IResourceMountingService resourceMountingService = ServiceRegistration.Get<IResourceMountingService>();
IResourceAccessor chainedResourceAccesor; // Needed in multiple source locations, that's why we declare it here
if (directoryAccessor is IFileSystemResourceAccessor)
{
IFileSystemResourceAccessor dirFsra = (IFileSystemResourceAccessor) directoryAccessor;
ICollection<IFileSystemResourceAccessor> childDirectories = dirFsra.GetChildDirectories();
ICollection<IFileSystemResourceAccessor> result = new List<IFileSystemResourceAccessor>();
if (childDirectories != null)
// Directories are maybe filtered and then just added
foreach (IFileSystemResourceAccessor childDirectoryAccessor in childDirectories)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(childDirectoryAccessor.CanonicalLocalResourcePath))
{
childDirectoryAccessor.Dispose();
continue;
}
result.Add(childDirectoryAccessor);
}
ICollection<IFileSystemResourceAccessor> files = dirFsra.GetFiles();
if (files != null)
// For files, we try to chain up chained resource providers
foreach (IFileSystemResourceAccessor fileAccessor in files)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(fileAccessor.CanonicalLocalResourcePath))
{
fileAccessor.Dispose();
continue;
}
if (TryUnfold(fileAccessor, out chainedResourceAccesor))
{
IFileSystemResourceAccessor chainedFsra = chainedResourceAccesor as IFileSystemResourceAccessor;
if (chainedFsra != null)
result.Add(chainedFsra);
else
chainedResourceAccesor.Dispose();
}
else
fileAccessor.Dispose();
}
return result;
}
// Try to unfold simple resource
IResourceAccessor dra = directoryAccessor.Clone();
try
{
if (TryUnfold(dra, out chainedResourceAccesor))
{
IFileSystemResourceAccessor chainedFsra = chainedResourceAccesor as IFileSystemResourceAccessor;
if (chainedFsra != null)
return new List<IFileSystemResourceAccessor>(new IFileSystemResourceAccessor[] {chainedFsra});
chainedResourceAccesor.Dispose();
}
else
dra.Dispose();
}
catch
{
dra.Dispose();
throw;
}
return null;
}
public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary<Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
try
{
IResourceAccessor ra = mediaItemAccessor.Clone();
try
{
using (ILocalFsResourceAccessor fsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(ra))
if (fsra != null && fsra.IsDirectory && fsra.ResourceExists("BDMV"))
{
IFileSystemResourceAccessor fsraBDMV = fsra.GetResource("BDMV");
if (fsraBDMV != null && fsraBDMV.ResourceExists("index.bdmv"))
{
// This line is important to keep in, if no VideoAspect is created here, the MediaItems is not detected as Video!
MediaItemAspect.GetOrCreateAspect(extractedAspectData, VideoAspect.Metadata);
MediaItemAspect mediaAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, MediaAspect.Metadata);
mediaAspect.SetAttribute(MediaAspect.ATTR_MIME_TYPE, "video/bluray"); // BluRay disc
string bdmvDirectory = fsra.LocalFileSystemPath;
BDInfoExt bdinfo = new BDInfoExt(bdmvDirectory);
string title = bdinfo.GetTitle();
mediaAspect.SetAttribute(MediaAspect.ATTR_TITLE, title ?? mediaItemAccessor.ResourceName);
// Check for BD disc thumbs
FileInfo thumbnail = bdinfo.GetBiggestThumb();
if (thumbnail != null)
{
byte[] binary = new byte[thumbnail.Length];
using (FileStream fileStream = new FileStream(thumbnail.FullName, FileMode.Open, FileAccess.Read))
using (BinaryReader binaryReader = new BinaryReader(fileStream))
binaryReader.Read(binary, 0, binary.Length);
MediaItemAspect.SetAttribute(extractedAspectData, ThumbnailLargeAspect.ATTR_THUMBNAIL, binary);
}
return true;
}
}
}
catch
{
ra.Dispose();
throw;
}
return false;
}
catch
{
// Only log at the info level here - And simply return false. This makes the importer know that we
// couldn't perform our task here
if (mediaItemAccessor != null)
ServiceRegistration.Get<ILogger>().Info("BluRayMetadataExtractor: Exception reading source '{0}'", mediaItemAccessor.ResourcePathName);
return false;
}
}
public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary<Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
try
{
VideoResult result = null;
IFileSystemResourceAccessor fsra = mediaItemAccessor as IFileSystemResourceAccessor;
if (fsra != null && fsra.IsDirectory && fsra.ResourceExists("VIDEO_TS"))
{
IFileSystemResourceAccessor fsraVideoTs = fsra.GetResource("VIDEO_TS");
if (fsraVideoTs != null && fsraVideoTs.ResourceExists("VIDEO_TS.IFO"))
{
// Video DVD
using (MediaInfoWrapper videoTsInfo = ReadMediaInfo(fsraVideoTs.GetResource("VIDEO_TS.IFO")))
{
if (!videoTsInfo.IsValid || videoTsInfo.GetVideoCount() == 0)
return false; // Invalid video_ts.ifo file
result = VideoResult.CreateDVDInfo(fsra.ResourceName, videoTsInfo);
}
// Iterate over all video files; MediaInfo finds different audio/video metadata for each .ifo file
ICollection<IFileSystemResourceAccessor> files = fsraVideoTs.GetFiles();
if (files != null)
foreach (IFileSystemResourceAccessor file in files)
{
string lowerPath = (file.ResourcePathName ?? string.Empty).ToLowerInvariant();
if (!lowerPath.EndsWith(".ifo") || lowerPath.EndsWith("video_ts.ifo"))
continue;
using (MediaInfoWrapper mediaInfo = ReadMediaInfo(file))
{
// Before we start evaluating the file, check if it is a video at all
if (mediaInfo.IsValid && mediaInfo.GetVideoCount() == 0)
continue;
result.AddMediaInfo(mediaInfo);
}
}
}
}
else if (mediaItemAccessor.IsFile)
{
string filePath = mediaItemAccessor.ResourcePathName;
if (!HasVideoExtension(filePath))
return false;
using (MediaInfoWrapper fileInfo = ReadMediaInfo(mediaItemAccessor))
{
// Before we start evaluating the file, check if it is a video at all
if (!fileInfo.IsValid || (fileInfo.GetVideoCount() == 0 && !IsWorkaroundRequired(filePath)))
return false;
string mediaTitle = DosPathHelper.GetFileNameWithoutExtension(mediaItemAccessor.ResourceName);
result = VideoResult.CreateFileInfo(mediaTitle, fileInfo);
}
using (Stream stream = mediaItemAccessor.OpenRead())
result.MimeType = MimeTypeDetector.GetMimeType(stream);
}
if (result != null)
{
result.UpdateMetadata(extractedAspectData);
ILocalFsResourceAccessor disposeLfsra = null;
try
{
ILocalFsResourceAccessor lfsra = mediaItemAccessor as ILocalFsResourceAccessor;
if (lfsra == null && !forceQuickMode)
{ // In case forceQuickMode, we only want local browsing
IResourceAccessor ra = mediaItemAccessor.Clone();
try
{
lfsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(ra);
disposeLfsra = lfsra; // Remember to dispose the extra resource accessor instance
}
catch (Exception)
{
ra.Dispose();
}
}
if (lfsra != null)
{
string localFsPath = lfsra.LocalFileSystemPath;
ExtractMatroskaTags(localFsPath, extractedAspectData, forceQuickMode);
ExtractThumbnailData(localFsPath, extractedAspectData, forceQuickMode);
}
}
finally
{
if (disposeLfsra != null)
disposeLfsra.Dispose();
}
return true;
}
}
catch (Exception e)
{
// Only log at the info level here - And simply return false. This lets the caller know that we
// couldn't perform our task here.
ServiceRegistration.Get<ILogger>().Info("VideoMetadataExtractor: Exception reading resource '{0}' (Text: '{1}')", mediaItemAccessor.CanonicalLocalResourcePath, e.Message);
}
return false;
}
public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary<Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
string fileName = mediaItemAccessor.ResourceName;
if (!HasImageExtension(fileName))
return false;
MediaItemAspect mediaAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, MediaAspect.Metadata);
MediaItemAspect imageAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, ImageAspect.Metadata);
MediaItemAspect thumbnailSmallAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, ThumbnailSmallAspect.Metadata);
MediaItemAspect thumbnailLargeAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, ThumbnailLargeAspect.Metadata);
try
{
// Open a stream for media item to detect mimeType.
using (Stream mediaStream = mediaItemAccessor.OpenRead())
{
string mimeType = MimeTypeDetector.GetMimeType(mediaStream);
if (mimeType != null)
mediaAspect.SetAttribute(MediaAspect.ATTR_MIME_TYPE, mimeType);
}
// Extract EXIF information from media item.
using (ExifMetaInfo.ExifMetaInfo exif = new ExifMetaInfo.ExifMetaInfo(mediaItemAccessor))
{
mediaAspect.SetAttribute(MediaAspect.ATTR_TITLE, ProviderPathHelper.GetFileNameWithoutExtension(fileName));
mediaAspect.SetAttribute(MediaAspect.ATTR_RECORDINGTIME, exif.OriginalDate != DateTime.MinValue ? exif.OriginalDate : mediaItemAccessor.LastChanged);
mediaAspect.SetAttribute(MediaAspect.ATTR_COMMENT, StringUtils.TrimToNull(exif.ImageDescription));
imageAspect.SetAttribute(ImageAspect.ATTR_WIDTH, (int) exif.PixXDim);
imageAspect.SetAttribute(ImageAspect.ATTR_HEIGHT, (int) exif.PixYDim);
imageAspect.SetAttribute(ImageAspect.ATTR_MAKE, StringUtils.TrimToNull(exif.EquipMake));
imageAspect.SetAttribute(ImageAspect.ATTR_MODEL, StringUtils.TrimToNull(exif.EquipModel));
imageAspect.SetAttribute(ImageAspect.ATTR_EXPOSURE_BIAS, ((double) exif.ExposureBias).ToString());
imageAspect.SetAttribute(ImageAspect.ATTR_EXPOSURE_TIME, exif.ExposureTime.ToString());
imageAspect.SetAttribute(ImageAspect.ATTR_FLASH_MODE, StringUtils.TrimToNull(exif.FlashMode));
imageAspect.SetAttribute(ImageAspect.ATTR_FNUMBER, string.Format("F {0}", (double) exif.FNumber));
imageAspect.SetAttribute(ImageAspect.ATTR_ISO_SPEED, StringUtils.TrimToNull(exif.ISOSpeed));
imageAspect.SetAttribute(ImageAspect.ATTR_ORIENTATION, (Int32) exif.Orientation);
imageAspect.SetAttribute(ImageAspect.ATTR_METERING_MODE, exif.MeteringMode.ToString());
IResourceAccessor ra = mediaItemAccessor.Clone();
ILocalFsResourceAccessor lfsra;
try
{
lfsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(ra);
}
catch
{
ra.Dispose();
throw;
}
using (lfsra)
{
string localFsResourcePath = lfsra.LocalFileSystemPath;
if (localFsResourcePath != null)
{
// In quick mode only allow thumbs taken from cache.
bool cachedOnly = forceQuickMode;
// Thumbnail extraction
IThumbnailGenerator generator = ServiceRegistration.Get<IThumbnailGenerator>();
byte[] thumbData;
ImageType imageType;
if (generator.GetThumbnail(localFsResourcePath, 96, 96, cachedOnly, out thumbData, out imageType))
thumbnailSmallAspect.SetAttribute(ThumbnailSmallAspect.ATTR_THUMBNAIL, thumbData);
if (generator.GetThumbnail(localFsResourcePath, 256, 256, cachedOnly, out thumbData, out imageType))
thumbnailLargeAspect.SetAttribute(ThumbnailLargeAspect.ATTR_THUMBNAIL, thumbData);
}
}
}
return true;
}
catch (Exception e)
{
// Only log at the info level here - And simply return false. This makes the importer know that we
// couldn't perform our task here.
ServiceRegistration.Get<ILogger>().Info("ImageMetadataExtractor: Exception reading resource '{0}' (Text: '{1}')", mediaItemAccessor.CanonicalLocalResourcePath, e.Message);
}
return false;
}
/// <summary>
/// Returns all child directories of the given directory.
/// </summary>
/// <remarks>
/// This will return all native child directories of the given directory together with all virtual child
/// directories. The native child directories are taken directly from the given <paramref name="directoryAccessor"/>,
/// the virtual child directories are obtained by taking the root directories of each chained resource provider applied
/// to the child files of the given directory.
/// If, for example, the given <paramref name="directoryAccessor"/> contains a child directory "A" and a child
/// archive file "B" which can work as input for an installed archive provider, providing the root directory "C"
/// of that archive, this method will return the resource accessors for directories "A" and "C".
/// </remarks>
/// <param name="directoryAccessor">Directory resource accessor to get all child directories for.</param>
/// <param name="showSystemResources">If set to <c>true</c>, system resources like the virtual drives and directories of the
/// <see cref="IResourceMountingService"/> will also be returned, else removed from the result value.</param>
/// <returns>Collection of directory accessors for all native and virtual child directories or <c>null</c>,
/// if the given <paramref name="directoryAccessor"/> is not a <see cref="IFileSystemResourceAccessor"/> and
/// if there is no chained resource provider to unfold the given directory.</returns>
public static ICollection <IFileSystemResourceAccessor> GetChildDirectories(IResourceAccessor directoryAccessor, bool showSystemResources)
{
IResourceMountingService resourceMountingService = ServiceRegistration.Get <IResourceMountingService>();
IResourceAccessor chainedResourceAccesor; // Needed in multiple source locations, that's why we declare it here
if (directoryAccessor is IFileSystemResourceAccessor)
{
IFileSystemResourceAccessor dirFsra = (IFileSystemResourceAccessor)directoryAccessor;
ICollection <IFileSystemResourceAccessor> childDirectories = dirFsra.GetChildDirectories();
ICollection <IFileSystemResourceAccessor> result = new List <IFileSystemResourceAccessor>();
if (childDirectories != null)
{
// Directories are maybe filtered and then just added
foreach (IFileSystemResourceAccessor childDirectoryAccessor in childDirectories)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(childDirectoryAccessor.CanonicalLocalResourcePath))
{
childDirectoryAccessor.Dispose();
continue;
}
result.Add(childDirectoryAccessor);
}
}
ICollection <IFileSystemResourceAccessor> files = dirFsra.GetFiles();
if (files != null)
{
// For files, we try to chain up chained resource providers
foreach (IFileSystemResourceAccessor fileAccessor in files)
{
if (!showSystemResources && resourceMountingService.IsVirtualResource(fileAccessor.CanonicalLocalResourcePath))
{
fileAccessor.Dispose();
continue;
}
if (TryUnfold(fileAccessor, out chainedResourceAccesor))
{
IFileSystemResourceAccessor chainedFsra = chainedResourceAccesor as IFileSystemResourceAccessor;
if (chainedFsra != null)
{
result.Add(chainedFsra);
}
else
{
chainedResourceAccesor.Dispose();
}
}
else
{
fileAccessor.Dispose();
}
}
}
return(result);
}
// Try to unfold simple resource
IResourceAccessor dra = directoryAccessor.Clone();
try
{
if (TryUnfold(dra, out chainedResourceAccesor))
{
IFileSystemResourceAccessor chainedFsra = chainedResourceAccesor as IFileSystemResourceAccessor;
if (chainedFsra != null)
{
return(new List <IFileSystemResourceAccessor>(new IFileSystemResourceAccessor[] { chainedFsra }));
}
chainedResourceAccesor.Dispose();
}
else
{
dra.Dispose();
}
}
catch
{
dra.Dispose();
throw;
}
return(null);
}
public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary <Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
{
string fileName = mediaItemAccessor.ResourceName;
if (!HasImageExtension(fileName))
{
return(false);
}
MediaItemAspect mediaAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, MediaAspect.Metadata);
MediaItemAspect imageAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, ImageAspect.Metadata);
MediaItemAspect thumbnailSmallAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, ThumbnailSmallAspect.Metadata);
MediaItemAspect thumbnailLargeAspect = MediaItemAspect.GetOrCreateAspect(extractedAspectData, ThumbnailLargeAspect.Metadata);
try
{
// Open a stream for media item to detect mimeType.
using (Stream mediaStream = mediaItemAccessor.OpenRead())
{
string mimeType = MimeTypeDetector.GetMimeType(mediaStream);
if (mimeType != null)
{
mediaAspect.SetAttribute(MediaAspect.ATTR_MIME_TYPE, mimeType);
}
}
// Extract EXIF information from media item.
using (ExifMetaInfo.ExifMetaInfo exif = new ExifMetaInfo.ExifMetaInfo(mediaItemAccessor))
{
mediaAspect.SetAttribute(MediaAspect.ATTR_TITLE, ProviderPathHelper.GetFileNameWithoutExtension(fileName));
mediaAspect.SetAttribute(MediaAspect.ATTR_RECORDINGTIME, exif.OriginalDate != DateTime.MinValue ? exif.OriginalDate : mediaItemAccessor.LastChanged);
mediaAspect.SetAttribute(MediaAspect.ATTR_COMMENT, StringUtils.TrimToNull(exif.ImageDescription));
imageAspect.SetAttribute(ImageAspect.ATTR_WIDTH, (int)exif.PixXDim);
imageAspect.SetAttribute(ImageAspect.ATTR_HEIGHT, (int)exif.PixYDim);
imageAspect.SetAttribute(ImageAspect.ATTR_MAKE, StringUtils.TrimToNull(exif.EquipMake));
imageAspect.SetAttribute(ImageAspect.ATTR_MODEL, StringUtils.TrimToNull(exif.EquipModel));
imageAspect.SetAttribute(ImageAspect.ATTR_EXPOSURE_BIAS, ((double)exif.ExposureBias).ToString());
imageAspect.SetAttribute(ImageAspect.ATTR_EXPOSURE_TIME, exif.ExposureTime.ToString());
imageAspect.SetAttribute(ImageAspect.ATTR_FLASH_MODE, StringUtils.TrimToNull(exif.FlashMode));
imageAspect.SetAttribute(ImageAspect.ATTR_FNUMBER, string.Format("F {0}", (double)exif.FNumber));
imageAspect.SetAttribute(ImageAspect.ATTR_ISO_SPEED, StringUtils.TrimToNull(exif.ISOSpeed));
imageAspect.SetAttribute(ImageAspect.ATTR_ORIENTATION, (Int32)exif.Orientation);
imageAspect.SetAttribute(ImageAspect.ATTR_METERING_MODE, exif.MeteringMode.ToString());
IResourceAccessor ra = mediaItemAccessor.Clone();
ILocalFsResourceAccessor lfsra;
try
{
lfsra = StreamedResourceToLocalFsAccessBridge.GetLocalFsResourceAccessor(ra);
}
catch
{
ra.Dispose();
throw;
}
using (lfsra)
{
string localFsResourcePath = lfsra.LocalFileSystemPath;
if (localFsResourcePath != null)
{
// In quick mode only allow thumbs taken from cache.
bool cachedOnly = forceQuickMode;
// Thumbnail extraction
IThumbnailGenerator generator = ServiceRegistration.Get <IThumbnailGenerator>();
byte[] thumbData;
ImageType imageType;
if (generator.GetThumbnail(localFsResourcePath, 96, 96, cachedOnly, out thumbData, out imageType))
{
thumbnailSmallAspect.SetAttribute(ThumbnailSmallAspect.ATTR_THUMBNAIL, thumbData);
}
if (generator.GetThumbnail(localFsResourcePath, 256, 256, cachedOnly, out thumbData, out imageType))
{
thumbnailLargeAspect.SetAttribute(ThumbnailLargeAspect.ATTR_THUMBNAIL, thumbData);
}
}
}
}
return(true);
}
catch (Exception e)
{
// Only log at the info level here - And simply return false. This makes the importer know that we
// couldn't perform our task here.
ServiceRegistration.Get <ILogger>().Info("ImageMetadataExtractor: Exception reading resource '{0}' (Text: '{1}')", mediaItemAccessor.CanonicalLocalResourcePath, e.Message);
}
return(false);
}
