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);
        }
Exemplo n.º 2
0
        public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary <Guid, MediaItemAspect> extractedAspectData, bool forceQuickMode)
        {
            try
            {
                VideoResult result = null;
                IFileSystemResourceAccessor fsra = mediaItemAccessor as IFileSystemResourceAccessor;
                if (fsra == null)
                {
                    return(false);
                }
                if (!fsra.IsFile && 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 (fsra.IsFile)
                {
                    string filePath = fsra.ResourcePathName;
                    if (!HasVideoExtension(filePath))
                    {
                        return(false);
                    }
                    using (MediaInfoWrapper fileInfo = ReadMediaInfo(fsra))
                    {
                        // 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(fsra.ResourceName);
                        result = VideoResult.CreateFileInfo(mediaTitle, fileInfo);
                    }
                    using (Stream stream = fsra.OpenRead())
                        result.MimeType = MimeTypeDetector.GetMimeType(stream, DEFAULT_MIMETYPE);
                }
                if (result != null)
                {
                    result.UpdateMetadata(extractedAspectData);

                    using (LocalFsResourceAccessorHelper rah = new LocalFsResourceAccessorHelper(mediaItemAccessor))
                    {
                        ILocalFsResourceAccessor lfsra = rah.LocalFsResourceAccessor;
                        if (lfsra != null)
                        {
                            MediaItemAspect.SetAttribute(extractedAspectData, MediaAspect.ATTR_SIZE, lfsra.Size);
                            MediaItemAspect.SetAttribute(extractedAspectData, MediaAspect.ATTR_RECORDINGTIME, lfsra.LastChanged);
                            ExtractMatroskaTags(lfsra, extractedAspectData, forceQuickMode);
                            ExtractMp4Tags(lfsra, extractedAspectData, forceQuickMode);
                            ExtractThumbnailData(lfsra, extractedAspectData, forceQuickMode);
                        }
                        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);
        }