Reading matroska format-specific properties The GroupDocs.Metadata API supports extracting format-specific information from MKV files.
The following are the steps to read native MKV metadata.
Load an MKV video Get the root metadata package Extract the native metadata package using the MatroskaRootPackage.getMatroskaPackage method Read the Matroska metadata properties on different levels of the format structure advanced_usage.managing_metadata_for_specific_formats.video.matroska.MatroskaReadNativeMetadataProperties
try (Metadata metadata = new Metadata(Constants.InputMkv)) { MatroskaRootPackage root = metadata.getRootPackageGeneric(); // Read the EBML header System....Security Events Acquisition Ask AI GroupDocs Documentation / GroupDocs...
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To extract a text from Microsoft Office PowerPoint presentations getText and getText(int) method is used. These methods allow to extract a text from the entire presentation or a text from the selected slide.
Here are the steps to extract a text from Microsoft Office PowerPoint presentations:
Instantiate Parser object for the initial presentation; Call getText method and obtAin TextReader object; Read a text from reader. Warning getText method returns null value if text extraction isn’t supported for the document....Security Events Acquisition Ask AI GroupDocs Documentation / GroupDocs...
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This article explAins how to search for embedded electronic signatures with custom encryption in document metadata. This topic contAins example of custom encryption, class definition and search for encrypted objects in the document metadata with GroupDocs.Signature....Security Events Acquisition Ask AI GroupDocs Documentation / GroupDocs...
Learn this article and check how to load and convert Microsoft Excel and Open Document spreadsheets with advanced options using GroupDocs.Conversion for Java API....Security Events Acquisition Ask AI GroupDocs Documentation / GroupDocs...
This topic describes how to optimize PDF file using the GroupDocs.Viewer .NET API (C#) by removing the unused (orphaned) resources and thus to reduce the file size....Security Events Acquisition Ask AI GroupDocs Documentation / GroupDocs...