ImageDataSource.java

package krut.KRUT_Recording;

import javax.media.MediaLocator;
import javax.media.Time;
import javax.media.protocol.ContentDescriptor;
import javax.media.protocol.PullBufferDataSource;
import javax.media.protocol.PullBufferStream;

/**
 * A DataSource to read from a list of JPEG image files and
 * turn that into a stream of JMF buffers.
 * The DataSource is not seekable or positionable.
 */
public class ImageDataSource extends PullBufferDataSource {

    private PullBufferStream streams[];

    public ImageDataSource(int width, int height, int frameRate, DataList data) {
        streams = new PullBufferStream[1];
        streams[0] = new ImageSourceStream(width, height, frameRate, data);
    }

    public void setLocator(MediaLocator source) {
    }

    public MediaLocator getLocator() {
        return null;
    }

    /**
     * Content type is of RAW since we are sending buffers of video
     * frames without a container format.
     */
    public String getContentType() {
        return ContentDescriptor.RAW;
    }

    public void connect() {
    }

    public void disconnect() {
    }

    public void start() {
    }

    public void stop() {
    }


    /**
     * Return the ImageSourceStreams.
     */
    public PullBufferStream[] getStreams() {
        return streams;
    }

    /**
     * We could have derived the duration from the number of
     * frames and frame rate.  But for the purpose of this program,
     * it's not necessary.
     */
    public Time getDuration() {
        return DURATION_UNKNOWN;
    }

    public Object[] getControls() {
        return new Object[0];
    }

    public Object getControl(String type) {
        return null;
    }
}