/**
* 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 com.jogamp.opengl.GL;
import com.jogamp.opengl.GLException;
import com.jogamp.opengl.GLProfile;
import jogamp.opengl.util.av.GLMediaPlayerImpl;
import com.jogamp.common.nio.Buffers;
import com.jogamp.common.os.Platform;
import com.jogamp.common.util.IOUtil;
import com.jogamp.opengl.util.av.GLMediaPlayer;
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 int pos_ms = 0;
private long pos_start = 0;
public NullGLMediaPlayer() {
super();
}
@Override
protected final boolean setPlaySpeedImpl(final float rate) {
return false;
}
@Override
protected final boolean playImpl() {
pos_start = Platform.currentTimeMillis();
return true;
}
@Override
protected final boolean pauseImpl() {
return true;
}
@Override
protected final int seekImpl(final int msec) {
pos_ms = msec;
validatePos();
return pos_ms;
}
@Override
protected final int getNextTextureImpl(final GL gl, final TextureFrame nextFrame) {
final int pts = getAudioPTSImpl();
nextFrame.setPTS( pts );
return pts;
}
@Override
protected final int getAudioPTSImpl() {
pos_ms = (int) ( Platform.currentTimeMillis() - pos_start );
validatePos();
return pos_ms;
}
@Override
protected final void destroyImpl(final GL gl) {
if(null != texData) {
texData.destroy();
texData = null;
}
}
public final static TextureData createTestTextureData() {
TextureData res = null;
try {
final URLConnection urlConn = IOUtil.getResource("jogl/util/data/av/test-ntsc01-28x16.png", NullGLMediaPlayer.class.getClassLoader());
if(null != urlConn) {
res = TextureIO.newTextureData(GLProfile.getGL2ES2(), urlConn.getInputStream(), false, TextureIO.PNG);
}
} catch (final Exception e) {
e.printStackTrace();
}
if(null == res) {
final int w = 160;
final int h = 90;
final ByteBuffer buffer = Buffers.newDirectByteBuffer(w*h*4);
while(buffer.hasRemaining()) {
buffer.put((byte) 0xEA); buffer.put((byte) 0xEA); buffer.put((byte) 0xEA); buffer.put((byte) 0xEA);
}
buffer.rewind();
res = new TextureData(GLProfile.getGL2ES2(),
GL.GL_RGBA, w, h, 0,
GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, false,
false, false, buffer, null);
}
return res;
}
@Override
protected final void initStreamImpl(final int vid, final int aid) throws IOException {
texData = createTestTextureData();
final float _fps = 24f;
final int _duration = 10*60*1000; // msec
final int _totalFrames = (int) ( (_duration/1000)*_fps );
updateAttributes(0 /* fake */, GLMediaPlayer.STREAM_ID_NONE,
texData.getWidth(), texData.getHeight(), 0,
0, 0, _fps,
_totalFrames, 0, _duration, "png-static", null);
}
@Override
protected final void initGLImpl(final GL gl) throws IOException, GLException {
setIsGLOriented(true);
}
/**
* {@inheritDoc}
* <p>
* Returns {@link GLMediaPlayer#TEXTURE_COUNT_MIN}.
* </p>
*/
@Override
protected int validateTextureCount(final int desiredTextureCount) {
return TEXTURE_COUNT_MIN;
}
@Override
protected final TextureSequence.TextureFrame createTexImage(final GL gl, final int texName) {
final Texture texture = super.createTexImageImpl(gl, texName, getWidth(), getHeight());
if(null != texData) {
texture.updateImage(gl, texData);
}
return new TextureSequence.TextureFrame( texture );
}
@Override
protected final void destroyTexFrame(final GL gl, final TextureSequence.TextureFrame frame) {
super.destroyTexFrame(gl, 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.Playing == getState() ) {
setState(State.Paused);
}
}
}