com.neuronrobotics.bowlerstudio.av.ImageDataSource Maven / Gradle / Ivy

Go to download
package com.neuronrobotics.bowlerstudio.av;

import java.util.Vector;

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.
 */
class ImageDataSource extends PullBufferDataSource {

	ImageSourceStream streams[];

	ImageDataSource(int width, int height, int frameRate, Vector images) {
		streams = new ImageSourceStream[1];
		streams[0] = new ImageSourceStream(width, height, frameRate, images);
	}

	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;
	}
}