示例#1
0
        public bool TryExtractMetadata(IResourceAccessor mediaItemAccessor, IDictionary <Guid, IList <MediaItemAspect> > extractedAspectData, bool importOnly, bool forceQuickMode)
        {
            IFileSystemResourceAccessor fsra = mediaItemAccessor as IFileSystemResourceAccessor;

            if (fsra == null || !fsra.IsFile)
            {
                return(false);
            }
            if (extractedAspectData.ContainsKey(AudioAspect.ASPECT_ID))
            {
                return(false);
            }

            try
            {
                var extension = DosPathHelper.GetExtension(fsra.ResourceName).ToLowerInvariant();
                if (extension != ".ts")
                {
                    return(false);
                }

                using (MediaInfoWrapper mediaInfo = ReadMediaInfo(fsra))
                {
                    // Before we start evaluating the file, check if it is not a video file (
                    if (mediaInfo.IsValid && (mediaInfo.GetVideoCount() != 0 || mediaInfo.GetAudioCount() == 0))
                    {
                        return(false);
                    }
                    string fileName = ProviderPathHelper.GetFileNameWithoutExtension(fsra.Path) ?? string.Empty;
                    MediaItemAspect.SetAttribute(extractedAspectData, MediaAspect.ATTR_TITLE, fileName);
                    MultipleMediaItemAspect providerResourceAspect = MediaItemAspect.CreateAspect(extractedAspectData, ProviderResourceAspect.Metadata);
                    providerResourceAspect.SetAttribute(ProviderResourceAspect.ATTR_SIZE, fsra.Size);
                    providerResourceAspect.SetAttribute(ProviderResourceAspect.ATTR_MIME_TYPE, "slimtv/radio");

                    var audioBitrate = mediaInfo.GetAudioBitrate(0);
                    if (audioBitrate.HasValue)
                    {
                        MediaItemAspect.SetAttribute(extractedAspectData, AudioAspect.ATTR_BITRATE, (int)(audioBitrate.Value / 1000)); // We store kbit/s;
                    }
                    var audioChannels = mediaInfo.GetAudioChannels(0);
                    if (audioChannels.HasValue)
                    {
                        MediaItemAspect.SetAttribute(extractedAspectData, AudioAspect.ATTR_CHANNELS, audioChannels.Value);
                    }
                    var audioSampleRate = mediaInfo.GetAudioSampleRate(0);
                    if (audioSampleRate.HasValue)
                    {
                        MediaItemAspect.SetAttribute(extractedAspectData, AudioAspect.ATTR_SAMPLERATE, audioSampleRate.Value);
                    }

                    MediaItemAspect.SetAttribute(extractedAspectData, AudioAspect.ATTR_ENCODING, mediaInfo.GetAudioCodec(0));
                    // MediaInfo returns milliseconds, we need seconds
                    long?time = mediaInfo.GetPlaytime(0);
                    if (time.HasValue && time > 1000)
                    {
                        MediaItemAspect.SetAttribute(extractedAspectData, AudioAspect.ATTR_DURATION, time.Value / 1000);
                    }
                }
                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("RadioRecordingMetadataExtractor: Exception reading resource '{0}' (Text: '{1}')", fsra.CanonicalLocalResourcePath, e.Message);
                return(false);
            }
        }
            public void AddMediaInfo(MediaInfoWrapper mediaInfo)
            {
                // This method will be called at least one time, for video DVDs it will be called multiple times for the different
                // .ifo files. The first time this method is called, the given media info instance is the "major" instance, i.e.
                // in case of a video DVD, it is the video_ts.ifo file.
                // We will collect most of our interesting attributes by taking the first one which is available. All others will then be
                // ignored. Only for some attributes, all values will be collected.
                for (int i = 0; i < mediaInfo.GetVideoCount(); i++)
                {
                    if (!_ar.HasValue)
                    {
                        _ar = mediaInfo.GetAR(i);
                    }
                    if (!_frameRate.HasValue)
                    {
                        _frameRate = mediaInfo.GetFramerate(i);
                    }
                    if (!_width.HasValue)
                    {
                        _width = mediaInfo.GetWidth(i);
                    }
                    if (!_height.HasValue)
                    {
                        _height = mediaInfo.GetHeight(i);
                    }
                    if (!_playTime.HasValue)
                    {
                        long?time = mediaInfo.GetPlaytime(i);
                        if (time.HasValue && time > 1000)
                        {
                            _playTime = time.Value;
                        }
                    }
                    if (!_vidBitRate.HasValue)
                    {
                        _vidBitRate = mediaInfo.GetVidBitrate(i);
                    }
                    string vidCodec = mediaInfo.GetVidCodec(i);
                    if (!string.IsNullOrEmpty(vidCodec) && !_vidCodecs.Contains(vidCodec))
                    {
                        _vidCodecs.Add(vidCodec);
                    }
                }
                _audioStreamCount = mediaInfo.GetAudioCount();
                for (int i = 0; i < _audioStreamCount; i++)
                {
                    if (!_audBitRate.HasValue)
                    {
                        _audBitRate = mediaInfo.GetAudioBitrate(i);
                    }
                    string audCodec = mediaInfo.GetAudioCodec(i);
                    if (!string.IsNullOrEmpty(audCodec) && !_audCodecs.Contains(audCodec))
                    {
                        _audCodecs.Add(audCodec);
                    }

                    string audLang = mediaInfo.GetAudioLanguage(i);
                    if (!string.IsNullOrEmpty(audLang) && !_audioLanguages.Contains(audLang))
                    {
                        _audioLanguages.Add(audLang);
                    }
                }
            }
        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);
        }
示例#4
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);
        }