com.groupdocs.metadata.core

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com.groupdocs.metadata.core

Class AsfRootPackage

  • All Implemented Interfaces:
    IXmp, Iterable<MetadataProperty>

    public class AsfRootPackage
extends RootMetadataPackage
implements IXmp

    Represents the root package allowing working with metadata in an ASF video.

    Learn more

    This code sample demonstrates how to read native ASF metadata.

    
 try (Metadata metadata = new Metadata(Constants.InputAsf)) {
     AsfRootPackage root = metadata.getRootPackageGeneric();
     AsfPackage asfPackage = root.getAsfPackage();
     // Display basic properties
     System.out.println(String.format("Creation date: %s", asfPackage.getCreationDate()));
     System.out.println(String.format("File id: %s", asfPackage.getFileID()));
     System.out.println(String.format("Flags: %s", asfPackage.getFlags()));
     // Display Asf Codec Information
     for (AsfCodec codecInfo : asfPackage.getCodecInformation()) {
         System.out.println(String.format("Codec type: %s", codecInfo.getCodecType()));
         System.out.println(String.format("Description: %s", codecInfo.getDescription()));
         System.out.println(String.format("Codec information: %s", codecInfo.getInformation()));
         System.out.println(codecInfo.getName());
     }
     // Display metadata descriptors
     for (AsfBaseDescriptor descriptor : asfPackage.getMetadataDescriptors()) {
         System.out.println(String.format("Name: %s", descriptor.getName()));
         System.out.println(String.format("Value: %s", descriptor.getValue()));
         System.out.println(String.format("Content type: %s", descriptor.getAsfContentType()));
         if (descriptor instanceof AsfMetadataDescriptor) {
             AsfMetadataDescriptor metadataDescriptor = (AsfMetadataDescriptor) descriptor;
             System.out.println(String.format("Language: %s", metadataDescriptor.getLanguage()));
             System.out.println(String.format("Stream number: %s", metadataDescriptor.getStreamNumber()));
             System.out.println(String.format("Original name: %s", metadataDescriptor.getOriginalName()));
         }
     }
     //Display the base stream properties
     for (AsfBaseStreamProperty property : asfPackage.getStreamProperties()) {
         System.out.println(String.format("Alternate bitrate: %s", property.getAlternateBitrate()));
         System.out.println(String.format("Average bitrate: %s", property.getAverageBitrate()));
         System.out.println(String.format("Average time per frame: %s", property.getAverageTimePerFrame()));
         System.out.println(String.format("Bitrate: %s", property.getBitrate()));
         System.out.println(String.format("Stream end time: %s", property.getEndTime()));
         System.out.println(String.format("Stream flags: %s", property.getFlags()));
         System.out.println(String.format("Stream language: %s", property.getLanguage()));
         System.out.println(String.format("Stream start time: %s", property.getStartTime()));
         System.out.println(String.format("Stream number: %s", property.getStreamNumber()));
         System.out.println(String.format("Stream type: %s", property.getStreamType()));
         //Display the audio stream properties
         if (property instanceof AsfAudioStreamProperty) {
             AsfAudioStreamProperty audioStreamProperty = (AsfAudioStreamProperty) property;
             System.out.println(String.format("Audio bits per sample: %s", audioStreamProperty.getBitsPerSample()));
             System.out.println(String.format("Audio channels: %s", audioStreamProperty.getChannels()));
             System.out.println(String.format("Audio format tag: %s", audioStreamProperty.getFormatTag()));
             System.out.println(String.format("Audio samples per second: %s", audioStreamProperty.getSamplesPerSecond()));
         }
         //Display the video stream properties
         if (property instanceof AsfVideoStreamProperty) {
             AsfVideoStreamProperty videoStreamProperty = (AsfVideoStreamProperty) property;
             System.out.println(String.format("Video bits per pixels: %s", videoStreamProperty.getBitsPerPixels()));
             System.out.println(String.format("Compression: %s", videoStreamProperty.getCompression()));
             System.out.println(String.format("Image height: %s", videoStreamProperty.getImageHeight()));
             System.out.println(String.format("Image width: %s", videoStreamProperty.getImageWidth()));
         }
     }
 }