提取视频元数据 Java：使用 GroupDocs.Metadata 读取 AVI 文件

<repositories>
   <repository>
      <id>repository.groupdocs.com</id>
      <name>GroupDocs Repository</name>
      <url>https://releases.groupdocs.com/metadata/java/</url>
   </repository>
</repositories>

<dependencies>
   <dependency>
      <groupId>com.groupdocs</groupId>
      <artifactId>groupdocs-metadata</artifactId>
      <version>24.12</version>
   </dependency>
</dependencies>

import com.groupdocs.metadata.Metadata;

public class MetadataSetup {
    public static void main(String[] args) {
        // Initialize metadata object for your AVI file path
        try (Metadata metadata = new Metadata("your_file.avi")) {
            System.out.println("Initialization successful!");
        }
    }
}

import com.groupdocs.metadata.Metadata;
import com.groupdocs.metadata.core.AviRootPackage;

public class ExtractAviInfoMetadata {
    public static void main(String[] args) {
        // Replace with the actual path to your AVI file
        String aviFilePath = "YOUR_DOCUMENT_DIRECTORY/your_file.avi";

        try (Metadata metadata = new Metadata(aviFilePath)) {
            // Obtain the root package of the AVI file
            AviRootPackage root = metadata.getRootPackageGeneric();

            // Check if RiffInfoPackage is available
            if (root.getRiffInfoPackage() != null) {
                // Extract and print various pieces of metadata information
                String artist = root.getRiffInfoPackage().getArtist();
                String comment = root.getRiffInfoPackage().getComment();
                String copyright = root.getRiffInfoPackage().getCopyright();
                String creationDate = root.getRiffInfoPackage().getCreationDate();
                String software = root.getRiffInfoPackage().getSoftware();
                String engineer = root.getRiffInfoPackage().getEngineer();
                String genre = root.getRiffInfoPackage().getGenre();

                // Output the extracted metadata
                System.out.println("Artist: " + artist);
                System.out.println("Comment: " + comment);
                System.out.println("Copyright: " + copyright);
                System.out.println("Creation Date: " + creationDate);
                System.out.println("Software: " + software);
                System.out.println("Engineer: " + engineer);
                System.out.println("Genre: " + genre);

                // These variables now contain the extracted metadata fields.
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}