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/**
* Copyright 2012 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.opengl.av;
import java.io.IOException;
import java.net.URLConnection;
import javax.media.opengl.GL;
import javax.media.opengl.GLContext;
import javax.media.opengl.GLProfile;
import jogamp.opengl.av.GLMediaPlayerImpl;
import com.jogamp.common.util.IOUtil;
import com.jogamp.opengl.util.texture.Texture;
import com.jogamp.opengl.util.texture.TextureData;
import com.jogamp.opengl.util.texture.TextureIO;
/***
* A dummy null media player implementation using a static test frame (if available).
*/
public class NullGLMediaPlayer extends GLMediaPlayerImpl {
private TextureData texData = null;
private TextureFrame frame = null;
private long pos_ms = 0;
private long pos_start = 0;
public NullGLMediaPlayer() {
super();
this.setTextureCount(1);
}
@Override
public void setPlaySpeed(float rate) {
// n/a
}
@Override
public float getPlaySpeed() {
return 0;
}
@Override
protected boolean startImpl() {
pos_start = System.currentTimeMillis();
return true;
}
@Override
protected boolean pauseImpl() {
return true;
}
@Override
protected boolean stopImpl() {
return true;
}
@Override
protected long seekImpl(long msec) {
pos_ms = msec;
validatePos();
return pos_ms;
}
@Override
public TextureFrame getLastTexture() {
return frame;
}
@Override
public TextureFrame getNextTexture() {
return frame;
}
@Override
public long getCurrentPosition() {
pos_ms = System.currentTimeMillis() - pos_start;
validatePos();
return pos_ms;
}
@Override
protected void destroyImpl(GL gl) {
}
@Override
protected void initStreamImplPreGL() throws IOException {
try {
URLConnection urlConn = IOUtil.getResource("data/av/test-ntsc01-640x360.tga", NullGLMediaPlayer.class.getClassLoader());
if(null != urlConn) {
texData = TextureIO.newTextureData(GLProfile.getGL2ES2(), urlConn.getInputStream(), false, "tga");
}
} catch (Exception e) {
e.printStackTrace();
}
if(null != texData) {
width = texData.getWidth();
height = texData.getHeight();
} else {
width = 640;
height = 480;
}
fps = 30;
bps = 0;
totalFrames = 0;
duration = 10*60*1000;
acodec = "none";
vcodec = "tga-dummy";
}
@Override
protected void destroyTexImage(GLContext ctx, TextureFrame imgTex) {
super.destroyTexImage(ctx, imgTex);
}
@Override
protected TextureFrame createTexImage(GLContext ctx, int idx, int[] tex) {
Texture texture = super.createTexImageImpl(ctx, idx, tex, true);
if(null != texData) {
texture.updateImage(ctx.getGL(), texData);
}
frame = new TextureFrame( texture );
return frame;
}
private void validatePos() {
boolean considerPausing = false;
if( 0 > pos_ms) {
pos_ms = 0;
considerPausing = true;
} else if ( pos_ms > getDuration() ) {
pos_ms = getDuration();
considerPausing = true;
}
if(considerPausing && state == State.Playing) {
state = State.Paused;
}
}
}
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