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package com.hammurapi.jcapture;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Point;
import java.io.File;
import java.io.OutputStream;
import java.util.List;
/**
* This is a service interface to be implemented by video encoders.
* jCapture discovers encoders using java.util.ServiceLoader.
*
* All interfaces used by this interface are defined as nested for easy reference.
* @author Pavel
*
*/
public interface VideoEncoder {
interface Config {
/**
*
* @return true if encoder shall add a toolbar to the movie.
*/
boolean isToolBar();
/**
*
* @return true if movie shall be played in a loop.
*/
boolean isLoop();
/**
*
* @return true if movie shall start playing after downloading.
*/
boolean isPlay();
/**
* @return For scaling mouse pointer.
*/
double getScreenScale();
/**
* For progress monitor.
* @return
*/
Component getParentComponent();
String getImageFormat();
/**
* @return OS command to convert WAV to MP3 if encoder requires/benefits from it.
*/
String getMp3command();
}
/**
* Movie fragment is a collection of frames with associated audio.
* @author Pavel
*
*/
interface Fragment {
/**
* Frame contains zero or more shapes and mouse location.
* @author Pavel
*
*/
interface Frame {
boolean isActive();
/**
* Image shape to be placed on the screen.
* @author Pavel
*
*/
interface Shape {
/**
* Base interface for shape content.
* @author Pavel
*
*/
interface ShapeContent {
/**
* @return true if this shape covers the entire screen area.
*/
boolean coversEverything();
}
interface Image extends ShapeContent {
MappedImage getImage();
}
/**
* References already defined image.
* @author Pavel
*
*/
interface ImageReference extends ShapeContent {
Image getImage();
}
Point getLocation();
ShapeContent getContent();
}
/**
* Frame's shapes.
* @return
*/
List<Shape> getShapes();
Point getMousePointer();
Dimension getSize();
}
/**
* Fragment frames.
* @return
*/
List<Frame> getFrames();
/**
* Audio file (WAV).
* @return
*/
File getAudio();
}
String getFileExtension();
String getMimeType();
/**
* This method shall return output format name, e.g. SWF.
* @return
*/
String toString();
/**
* Encodes video to output stream.
* @param fragments Fragments to encode
* @param out Output stream
* @param progressMonitor Progress monitor has work allocated for each frame plus one unit of work per fragment for sound decoding plus one unit for final encoding.
* @param progressCounter current progress counter position.
* @return movie size or null if operation was cancelled
*/
Dimension encode(Config config, Movie movie, OutputStream out) throws Exception;
}
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