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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.util.av;
import java.io.IOException;
import java.net.URLConnection;
import java.nio.ByteBuffer;
import javax.media.opengl.GL;
import javax.media.opengl.GLProfile;
import jogamp.opengl.util.av.GLMediaPlayerImpl;
import com.jogamp.common.nio.Buffers;
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;
import com.jogamp.opengl.util.texture.TextureSequence;
/***
* A dummy null media player implementation using a static test frame
* available on all platforms.
*/
public class NullGLMediaPlayer extends GLMediaPlayerImpl {
private TextureData texData = null;
private TextureSequence.TextureFrame frame = null;
private int pos_ms = 0;
private int pos_start = 0;
public NullGLMediaPlayer() {
super();
this.setTextureCount(1);
}
@Override
protected boolean setPlaySpeedImpl(float rate) {
return false;
}
@Override
protected boolean startImpl() {
pos_start = (int)System.currentTimeMillis();
return true;
}
@Override
protected boolean pauseImpl() {
return true;
}
@Override
protected boolean stopImpl() {
return true;
}
@Override
protected int seekImpl(int msec) {
pos_ms = msec;
validatePos();
return pos_ms;
}
@Override
protected TextureSequence.TextureFrame getLastTextureImpl() {
return frame;
}
@Override
protected TextureSequence.TextureFrame getNextTextureImpl(GL gl, boolean blocking) {
return frame;
}
@Override
protected int getCurrentPositionImpl() {
pos_ms = (int)System.currentTimeMillis() - pos_start;
validatePos();
return pos_ms;
}
@Override
protected void destroyImpl(GL gl) {
}
@Override
protected void initGLStreamImpl(GL gl, int[] texNames) throws IOException {
try {
URLConnection urlConn = IOUtil.getResource("jogl/util/data/av/test-ntsc01-160x90.png", NullGLMediaPlayer.class.getClassLoader());
if(null != urlConn) {
texData = TextureIO.newTextureData(GLProfile.getGL2ES2(), urlConn.getInputStream(), false, TextureIO.PNG);
}
} catch (Exception e) {
e.printStackTrace();
}
if(null != texData) {
width = texData.getWidth();
height = texData.getHeight();
} else {
width = 640;
height = 480;
ByteBuffer buffer = Buffers.newDirectByteBuffer(width*height*4);
while(buffer.hasRemaining()) {
buffer.put((byte) 0xEA); buffer.put((byte) 0xEA); buffer.put((byte) 0xEA); buffer.put((byte) 0xEA);
}
buffer.rewind();
texData = new TextureData(GLProfile.getGL2ES2(),
GL.GL_RGBA, width, height, 0,
GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, false,
false, false, buffer, null);
}
fps = 24f;
duration = 10*60*1000; // msec
totalFrames = (int) ( (duration/1000)*fps );
vcodec = "png-static";
}
@Override
protected TextureSequence.TextureFrame createTexImage(GL gl, int idx, int[] tex) {
Texture texture = super.createTexImageImpl(gl, idx, tex, width, height, false);
if(null != texData) {
texture.updateImage(gl, texData);
texData.destroy();
texData = null;
}
frame = new TextureSequence.TextureFrame( texture );
return frame;
}
@Override
protected void destroyTexImage(GL gl, TextureSequence.TextureFrame imgTex) {
frame = null;
super.destroyTexImage(gl, imgTex);
}
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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