From 37b57106f4ef6d64b38cd9cbfccfcf5f332b5525 Mon Sep 17 00:00:00 2001
From: Xerxes Rånby <xerxes@zafena.se>
Date: Fri, 21 Feb 2014 00:46:47 +0100
Subject: Bug 927: demos/es2/av/CrossFadePlayer Parallel media player that
demonstrate CrossFade of audio volume during playback. This player also
demonstrate audio only playback of the GLMediaPlayer.
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The CrossFadePlayer is a reproducer for
FFMPEGMediaPlayer libav multithreading initialization errors.
[NULL @ 0x7ff904065280] insufficient thread locking around avcodec_open/close()
reproducer:
java -cp gluegen/build/gluegen-rt.jar:jogl/build/jar/jogl-all-mobile.jar:jogl/build/jar/jogl-test.jar:joal/build/jar/joal.jar com.jogamp.opengl.test.junit.jogl.demos.es2.av.CrossFadePlayer *.mp3
Signed-off-by: Xerxes Rånby <xerxes@zafena.se>
---
.../junit/jogl/demos/es2/av/CrossFadePlayer.java | 208 +++++++++++++++++++++
1 file changed, 208 insertions(+)
create mode 100644 src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/av/CrossFadePlayer.java
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/av/CrossFadePlayer.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/av/CrossFadePlayer.java
new file mode 100644
index 000000000..c656663ee
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/av/CrossFadePlayer.java
@@ -0,0 +1,208 @@
+/**
+ * Copyright 2014 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 com.jogamp.opengl.test.junit.jogl.demos.es2.av;
+
+import com.jogamp.opengl.util.av.AudioSink;
+import com.jogamp.opengl.util.av.GLMediaPlayer;
+import com.jogamp.opengl.util.av.GLMediaPlayer.GLMediaEventListener;
+import com.jogamp.opengl.util.av.GLMediaPlayer.StreamException;
+import com.jogamp.opengl.util.av.GLMediaPlayerFactory;
+import com.jogamp.opengl.util.texture.TextureSequence.TextureFrame;
+
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.GLException;
+
+import java.io.File;
+import java.net.URI;
+
+/**
+ * Parallel media player that demonstrate CrossFade of audio volume during playback.
+ * This also demonstrate audio only playback of the GLMediaPlayer.
+ */
+public class CrossFadePlayer
+{
+ static GLMediaPlayer[] player;
+ static volatile boolean stop = false;
+
+ public static void main(String[] args)
+ {
+
+ if(args.length==0) {
+ System.out.println("No files! \n" +
+ "pass as many media files you want\n" +
+ "to the CrossFadePlayer arguments \n" +
+ "and i will try CrossFade-play them all in parallel!");
+ }
+
+ GLMediaEventListener mediaEventListener = new GLMediaEventListener()
+ {
+
+ @Override
+ public void newFrameAvailable(GLMediaPlayer ts, TextureFrame newFrame,
+ long when) { }
+
+ @Override
+ public void attributesChanged(GLMediaPlayer mp, int event_mask, long when)
+ {
+ System.out.println("\n***\nEvent mask changed: " + event_mask);
+ System.out.println("Timestamp: "+ when);
+ System.out.println("State of player: " + mp.getState().toString() +"\n");
+
+ if ((event_mask & GLMediaEventListener.EVENT_CHANGE_INIT) !=0) {
+ System.out.println("Duration: " + mp.getDuration() + "ms");
+ System.out.println("Volume: " + mp.getAudioVolume());
+ try {
+ System.out.println("player.initGL()...");
+ mp.initGL(null);
+ }
+ catch (IllegalStateException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ catch (GLException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ catch (StreamException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }else if ((event_mask & GLMediaEventListener.EVENT_CHANGE_PAUSE) !=0) {
+ System.out.println("player.play()...");
+ System.out.println("mp.setPlaySpeed(1f) returned: " + mp.setPlaySpeed(1f));
+ mp.seek(0);
+ mp.play();
+ }else if ((event_mask & GLMediaEventListener.EVENT_CHANGE_PLAY) !=0) {
+ System.out.println("playing...");
+ System.out.println(mp.toString());
+ System.out.println(mp.getAudioSink().toString());
+ }
+ if( 0 != ( ( GLMediaEventListener.EVENT_CHANGE_ERR | GLMediaEventListener.EVENT_CHANGE_EOS ) & event_mask ) ) {
+ final StreamException se = mp.getStreamException();
+ if( null != se ) {
+ se.printStackTrace();
+ }
+ new Thread() {
+ public void run() {
+ System.out.println("terminating...");
+ stop = true;
+ }
+ }.start();
+ }
+
+ }
+ };
+
+ // Initialize media players
+ player = new GLMediaPlayer[args.length];
+ int i=0;
+ for( String arg: args) {
+ player[i] = GLMediaPlayerFactory.createDefault();
+ if(player[i]!=null){
+ System.out.println("Created CrossFade player: "+ i + " " + player[i].getClass().getName());
+ player[i].addEventListener(mediaEventListener);
+ try {
+ String filename = args[i];
+ if(filename.equals("")){
+ System.out.println("No file selected: arg " + i +" = "+ filename);
+ player[i]=null;
+ } else {
+ File file = new File(filename);
+ if(!file.exists()){
+ System.out.println("File do not exist");
+ } else {
+ URI uri = file.toURI();
+ System.out.println("State of player "+ i +": " + player[i].getState().toString());
+ System.out.println("...initializing stream "+ i +"...");
+ player[i].initStream(uri, GLMediaPlayer.STREAM_ID_NONE, GLMediaPlayer.STREAM_ID_AUTO, GLMediaPlayer.TEXTURE_COUNT_DEFAULT);
+
+ }
+ }
+ } catch (Exception e1) {
+ e1.printStackTrace();
+ }
+ } else {
+ System.out.println("Failed to create player "+ i +"!");
+ }
+ i++;
+ }
+
+
+ // Main thread CrossFade until playback is done
+ long startTime = com.jogamp.common.os.Platform.currentTimeMillis();
+ double piPlayers = Math.PI*2.0f/(double)args.length;
+ StreamException se = null;
+ while( null == se && stop == false ) {
+ try {
+ Thread.sleep(100);
+ } catch (InterruptedException e) { }
+
+ // Find out the longest duration...
+ float maxDuration = 1000.0f ;
+ for(GLMediaPlayer p: player) {
+ if(p!=null){
+ if( p.getDuration() > maxDuration) {
+ maxDuration = p.getDuration();
+ }
+ }
+ }
+
+ // tune the volume on players to crossfade!
+ float progress = (float)(com.jogamp.common.os.Platform.currentTimeMillis()-startTime)/maxDuration;
+
+ i = 0;
+ for(GLMediaPlayer p: player){
+ if(p!=null){
+ AudioSink sink = p.getAudioSink();
+ if(sink != null){
+ float volume = (float) (0.5f+(0.5f*(Math.cos(40.0f*progress+(piPlayers*(float)i)))));
+ float playbacktime = (float)(com.jogamp.common.os.Platform.currentTimeMillis()-startTime);
+ System.out.println("player: "+ i +" volume = " + volume +" progress = "+ progress +" time = "+ playbacktime + " / duration = " + maxDuration);
+ sink.setVolume(volume);
+ }
+
+ se = p.getStreamException();
+ if( null != se) {
+ se.printStackTrace();
+ throw new RuntimeException(se);
+ }
+ }
+
+ i++;
+ }
+ }
+
+ for(GLMediaPlayer p: player) {
+ if(p!=null)
+ p.destroy(null);
+ }
+ System.out.println("...main exit...");
+ }
+}
--
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