protected VideoDriveHandler(DriveInfo driveInfo, IEnumerable <Guid> extractedMIATypeIds) : base(driveInfo) { IMediaAccessor mediaAccessor = ServiceRegistration.Get <IMediaAccessor>(); ResourcePath rp = LocalFsResourceProviderBase.ToResourcePath(driveInfo.Name); IResourceAccessor ra; if (!rp.TryCreateLocalResourceAccessor(out ra)) { throw new ArgumentException(string.Format("Unable to access drive '{0}'", driveInfo.Name)); } using (ra) _mediaItem = mediaAccessor.CreateLocalMediaItem(ra, mediaAccessor.GetMetadataExtractorsForMIATypes(extractedMIATypeIds)); if (_mediaItem == null) { throw new Exception(string.Format("Could not create media item for drive '{0}'", driveInfo.Name)); } MatchWithStubs(driveInfo, new MediaItem[] { _mediaItem }); IEnumerable <MediaItem> processedItems = CertificationHelper.ProcessMediaItems(new MediaItem[] { _mediaItem }); if (processedItems.Count() == 0) { _mediaItem = null; return; } _mediaItem = processedItems.First(); SingleMediaItemAspect mia = null; MediaItemAspect.TryGetAspect(_mediaItem.Aspects, MediaAspect.Metadata, out mia); mia.SetAttribute(MediaAspect.ATTR_TITLE, mia.GetAttributeValue(MediaAspect.ATTR_TITLE) + " (" + DriveUtils.GetDriveNameWithoutRootDirectory(driveInfo) + ")"); }
public static MediaItem CreateMediaItem(string filename) { IMediaAccessor mediaAccessor = ServiceRegistration.Get <IMediaAccessor>(); IEnumerable <Guid> meIds = mediaAccessor.GetMetadataExtractorsForMIATypes(NECESSARY_VIDEO_MIAS); ResourceLocator resourceLocator = new ResourceLocator(LocalFsResourceProviderBase.ToResourcePath(filename)); IResourceAccessor ra = resourceLocator.CreateAccessor(); if (ra == null) { return(null); } using (ra) return(mediaAccessor.CreateLocalMediaItem(ra, meIds)); }
protected VideoDriveHandler(DriveInfo driveInfo, IEnumerable <Guid> extractedMIATypeIds) : base(driveInfo) { IMediaAccessor mediaAccessor = ServiceRegistration.Get <IMediaAccessor>(); ResourcePath rp = LocalFsResourceProviderBase.ToResourcePath(driveInfo.Name); IResourceAccessor ra; if (!rp.TryCreateLocalResourceAccessor(out ra)) { throw new ArgumentException(string.Format("Unable to access drive '{0}'", driveInfo.Name)); } using (ra) _mediaItem = mediaAccessor.CreateLocalMediaItem(ra, mediaAccessor.GetMetadataExtractorsForMIATypes(extractedMIATypeIds)); if (_mediaItem == null) { throw new Exception(string.Format("Could not create media item for drive '{0}'", driveInfo.Name)); } MediaItemAspect mia = _mediaItem.Aspects[MediaAspect.ASPECT_ID]; mia.SetAttribute(MediaAspect.ATTR_TITLE, mia.GetAttributeValue(MediaAspect.ATTR_TITLE) + " (" + DriveUtils.GetDriveNameWithoutRootDirectory(driveInfo) + ")"); }
/// <summary> /// Detects if the directory of the given <paramref name="resourcePath"/> contains video, image or audio media files and /// returns <see cref="MediaItem"/> instances for those files. /// </summary> /// <param name="resourcePath">The resource path instance for the directory to be examined.</param> /// <param name="videoMIATypeIds">Ids of the media item aspects to be extracted from video items.</param> /// <param name="imageMIATypeIds">Ids of the media item aspects to be extracted from image items.</param> /// <param name="audioMIATypeIds">Ids of the media item aspects to be extracted from audio items.</param> /// <param name="mediaItems">Returns a collection of media items in the given <paramref name="resourcePath"/> or <c>null</c>, /// if the return value is <see cref="MultiMediaType.None"/>.</param> /// <returns>Type of media items found.</returns> public static MultiMediaType DetectMultimedia(ResourcePath resourcePath, IEnumerable <Guid> videoMIATypeIds, IEnumerable <Guid> imageMIATypeIds, IEnumerable <Guid> audioMIATypeIds, out ICollection <MediaItem> mediaItems) { try { mediaItems = new List <MediaItem>(); IMediaAccessor mediaAccessor = ServiceRegistration.Get <IMediaAccessor>(); IEnumerable <Guid> meIds = mediaAccessor.GetMetadataExtractorsForMIATypes(videoMIATypeIds.Union(imageMIATypeIds).Union(audioMIATypeIds)); using (IResourceAccessor ra = new ResourceLocator(resourcePath).CreateAccessor()) { IFileSystemResourceAccessor directoryRA = ra as IFileSystemResourceAccessor; if (ra != null) { AddLocalMediaItemsRecursive(directoryRA, mediaItems, meIds, mediaAccessor); } } MultiMediaType result = MultiMediaType.None; foreach (MediaItem item in mediaItems) { // Check the type of our extracted media items MultiMediaType itemType = GetTypeOfMediaItem(item); if (result == MultiMediaType.None) // Initialize the result type with the type of the first media item { result = itemType; } else if (result != itemType) // Check if we have different item types { result = MultiMediaType.Diverse; break; } } return(result); } catch (Exception e) { ServiceRegistration.Get <ILogger>().Warn("Error while detecting the media items in resource {0}", e, resourcePath); mediaItems = null; return(MultiMediaType.None); } }
/// <summary> /// Detects if the directory of the given <paramref name="resourcePath"/> contains video, image or audio media files. /// </summary> /// <param name="resourcePath">The resource path instance for the directory to be examined.</param> /// <param name="videoMIATypeIds">Ids of the media item aspects to be extracted from video items.</param> /// <param name="imageMIATypeIds">Ids of the media item aspects to be extracted from image items.</param> /// <param name="audioMIATypeIds">Ids of the media item aspects to be extracted from audio items.</param> /// if the return value is <see cref="MultiMediaType.None"/>.</param> /// <returns>Type of media items found.</returns> public static MultiMediaType DetectMultimedia(ResourcePath resourcePath, IEnumerable <Guid> videoMIATypeIds, IEnumerable <Guid> imageMIATypeIds, IEnumerable <Guid> audioMIATypeIds) { try { MultiMediaType result = MultiMediaType.None; IMediaAccessor mediaAccessor = ServiceRegistration.Get <IMediaAccessor>(); IEnumerable <Guid> meIds = mediaAccessor.GetMetadataExtractorsForMIATypes(videoMIATypeIds.Union(imageMIATypeIds).Union(audioMIATypeIds)); using (IResourceAccessor ra = new ResourceLocator(resourcePath).CreateAccessor()) { IFileSystemResourceAccessor directoryRA = ra as IFileSystemResourceAccessor; if (ra != null) { DetectMultimediaTypeRecursive(directoryRA, meIds, mediaAccessor, ref result); } } return(result); } catch (Exception e) { ServiceRegistration.Get <ILogger>().Warn("Error while detecting the media items in resource {0}", e, resourcePath); return(MultiMediaType.None); } }
protected internal override void ReLoadItemsAndSubViewSpecifications(out IList <MediaItem> mediaItems, out IList <ViewSpecification> subViewSpecifications) { mediaItems = new List <MediaItem>(); subViewSpecifications = new List <ViewSpecification>(); IMediaAccessor mediaAccessor = ServiceRegistration.Get <IMediaAccessor>(); IEnumerable <Guid> metadataExtractorIds = mediaAccessor.GetMetadataExtractorsForMIATypes(_necessaryMIATypeIds.Union(_optionalMIATypeIds)); IResourceAccessor baseResourceAccessor; if (!_viewPath.TryCreateLocalResourceAccessor(out baseResourceAccessor)) { ServiceRegistration.Get <ILogger>().Warn("LocalDirectoryViewSpecification.ReLoadItemsAndSubViewSpecifications: Cannot access local view path '{0}'", _viewPath); return; } using (baseResourceAccessor) { IFileSystemResourceAccessor fsra = baseResourceAccessor as IFileSystemResourceAccessor; if (fsra == null) { ServiceRegistration.Get <ILogger>().Warn("LocalDirectoryViewSpecification.ReLoadItemsAndSubViewSpecifications: Cannot access local view path '{0}' - no local file system resource", _viewPath); return; } // Add all items at the specified path ICollection <IFileSystemResourceAccessor> files = null; try { files = FileSystemResourceNavigator.GetFiles(fsra, false); } catch (Exception e) { ServiceRegistration.Get <ILogger>().Warn("LocalDirectoryViewSpecification: Error getting files for '{0}': {1}", fsra, e.Message); } if (files != null) { foreach (IFileSystemResourceAccessor childAccessor in files) { using (childAccessor) try { MediaItem result = mediaAccessor.CreateLocalMediaItem(childAccessor, metadataExtractorIds); if (result != null) { mediaItems.Add(result); } } catch (Exception e) { ServiceRegistration.Get <ILogger>().Warn("LocalDirectoryViewSpecification: Error creating local media item for '{0}': {1}", childAccessor, e.Message); } } } ICollection <IFileSystemResourceAccessor> directories = null; try { directories = FileSystemResourceNavigator.GetChildDirectories(fsra, false); } catch (Exception e) { ServiceRegistration.Get <ILogger>().Warn("LocalDirectoryViewSpecification: Error getting child directories for '{0}': {1}", fsra, e.Message); } if (directories != null) { foreach (IFileSystemResourceAccessor childAccessor in directories) { using (childAccessor) try { MediaItem result = mediaAccessor.CreateLocalMediaItem(childAccessor, metadataExtractorIds); if (result == null) { subViewSpecifications.Add(new LocalDirectoryViewSpecification(null, childAccessor.CanonicalLocalResourcePath, _necessaryMIATypeIds, _optionalMIATypeIds)); } else { mediaItems.Add(result); } } catch (Exception e) { ServiceRegistration.Get <ILogger>().Warn("LocalDirectoryViewSpecification: Error creating media item or view specification for '{0}': {1}", childAccessor, e.Message); } } } } }