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package com.jogamp.opengl.av;
import java.io.IOException;
import java.net.URL;
import javax.media.opengl.GL;
import jogamp.opengl.Debug;
import com.jogamp.opengl.util.texture.Texture;
/**
* Lifecycle of an GLMediaPlayer:
* <ul>
* <li>{@link #setStream(GL, URL)}</li>
* <li>{@link #start()}</li>
* <li>{@link #stop()}</li>
* <li>{@link #destroy(GL)}</li>
* </ul>
*/
public interface GLMediaPlayer {
public static final boolean DEBUG = Debug.debug("GLMediaPlayer");
public enum State {
Uninitialized(0), Stopped(1), Playing(2), Paused(3);
public final int id;
State(int id){
this.id = id;
}
}
public static class TextureFrame {
public TextureFrame(Texture t) {
texture = t;
// stMatrix = new float[4*4];
// ProjectFloat.makeIdentityf(stMatrix, 0);
}
public final Texture getTexture() { return texture; }
// public final float[] getSTMatrix() { return stMatrix; }
public String toString() {
return "TextureFrame[" + texture + "]";
}
protected final Texture texture;
// protected final float[] stMatrix;
}
public int getTextureCount();
public int getTextureTarget();
/** Sets the texture min-mag filter, defaults to {@link GL#GL_NEAREST}. */
public void setTextureMinMagFilter(int[] minMagFilter);
public int[] getTextureMinMagFilter();
/** Sets the texture min-mag filter, defaults to {@link GL#GL_CLAMP_TO_EDGE}. */
public void setTextureWrapST(int[] wrapST);
public int[] getTextureWrapST();
/**
* Sets the stream to be used. Initializes all stream related states and GL resources.
* <ul>
* <li>ANY -> Uninitialized - invokes destroy(GL)</li>
* <li>Uninitialized -> Stopped</li>
* </ul>
*/
public void setStream(GL gl, URL url) throws IOException;
/**
* Releases the GL and stream resources.
* <p>
* <code>ANY</code> -> Uninitialized
* </p>
*/
public void destroy(GL gl);
public void setPlaySpeed(float rate);
public float getPlaySpeed();
/**
* Stopped/Paused -> Playing
*/
public State start();
/**
* Playing -> Paused
*/
public State pause();
/**
* Playing/Paused -> Stopped
*/
public State stop();
/**
* @return the current state, either Uninitialized, Stopped, Playing, Paused
*/
public State getState();
/**
* @return time current position in milliseconds
**/
public long getCurrentPosition();
/**
* @param msec absolute desired time position in milliseconds
* @return time current position in milliseconds, after seeking to the desired position
**/
public long seek(long msec);
/**
* @return the last updated texture. Not blocking.
*/
public TextureFrame getLastTexture();
/**
* @return the next texture, which should be rendered. May block, depending on implementation.
*
* @see #addEventListener(GLMediaEventListener)
* @see GLMediaEventListener#newFrameAvailable(GLMediaPlayer, TextureFrame)
*/
public TextureFrame getNextTexture();
public boolean isValid();
public URL getURL();
/**
* <i>Warning:</i> Optional information, may not be supported by implementation.
* @return the code of the video stream, if available
*/
public String getVideoCodec();
/**
* <i>Warning:</i> Optional information, may not be supported by implementation.
* @return the code of the audio stream, if available
*/
public String getAudioCodec();
/**
* <i>Warning:</i> Optional information, may not be supported by implementation.
* @return the total number of video frames
*/
public long getTotalFrames();
/**
* @return total duration of stream in msec.
*/
public long getDuration();
/**
* <i>Warning:</i> Optional information, may not be supported by implementation.
* @return the overall bitrate of the stream.
*/
public long getBitrate();
/**
* <i>Warning:</i> Optional information, may not be supported by implementation.
* @return the framerate of the video
*/
public int getFramerate();
public int getWidth();
public int getHeight();
public String toString();
public void addEventListener(GLMediaEventListener l);
public void removeEventListener(GLMediaEventListener l);
public GLMediaEventListener[] getEventListeners();
}
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