Tika Flv File Extraction

To extract flv file, Tika provides FLVParser class. This class is used to extract content and metadata from the .flv file. It is located into the org.apache.tika.parser.video package and contains various constructors and methods that are tabled below.

Tika FLVParser Constructor

Constructor	Description
public FLVParser()	It is used to instantiate FLVParser class.

Tika FLVParser Methods

Method	Description
public Set<MediaType> getSupportedTypes(ParseContext context)0	It returns the set of media types supported by this parser when used with the given parse context.
public void parse(InputStream stream, ContentHandler handler, Metadata metadata, ParseContext context) throws IOException, SAXException, TikaException	It parses a document stream into a sequence of XHTML SAX events. It throws IOException,SAXException, TikaException.

Tika Flv File Extraction Example

In the following example, we are extracting content and metadata from .flv file. See the example.

package tikaexample;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.tika.exception.TikaException;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.video.FLVParser;
import org.apache.tika.sax.BodyContentHandler;
import org.xml.sax.SAXException;
public class FlvExample {
	public static void main(String[] args) throws IOException, SAXException, TikaException {
		 BodyContentHandler handler   = new BodyContentHandler();
		 FLVParser parser         = new FLVParser(); // It is used to extract .flv file.
		 Metadata metadata            = new Metadata();
		 ParseContext pcontext        = new ParseContext();
		 try (InputStream stream = new FileInputStream(new File("newsong.flv"))) {
		        parser.parse(stream, handler, metadata, pcontext);
	     System.out.println("Document Content:" + handler.toString());
	     System.out.println("Document Metadata:");
	     String[] metadatas = metadata.names(); 
	     for(String data : metadatas) {
	         System.out.println(data + ":   " + metadata.get(data));  
	     }
		 }catch(Exception e) {System.out.println("Exception message: "+ e.getMessage());}
	   }
	}

Output:

Document Content:
Document Metadata:
hasVideo:   true
hasAudio:   true
framerate:   24.0
audiodatarate:   51.421875
audiocodecid:   2.0
videodatarate:   781.25
audiosamplesize:   16.0
audiosamplerate:   22050.0
filesize:   90580.0
duration:   1.167
videocodecid:   2.0
stereo:   false
width:   170.0
Content-Type:   video/x-flv
height:   120.0

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