From f6021300d928f6902fb582cd3e9fc74bb0261db1 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Tue, 9 May 2023 07:02:19 +0200
Subject: Fix GLMediaPlayerImpl.initGL(GL): Allow null==gl and audio-only mode
 (regression to initial implementation)

---
 .../jogamp/opengl/util/av/GLMediaPlayerImpl.java   | 49 +++++++++++++++-------
 1 file changed, 33 insertions(+), 16 deletions(-)

(limited to 'src/jogl/classes')

diff --git a/src/jogl/classes/jogamp/opengl/util/av/GLMediaPlayerImpl.java b/src/jogl/classes/jogamp/opengl/util/av/GLMediaPlayerImpl.java
index de949bbd6..cffd8426c 100644
--- a/src/jogl/classes/jogamp/opengl/util/av/GLMediaPlayerImpl.java
+++ b/src/jogl/classes/jogamp/opengl/util/av/GLMediaPlayerImpl.java
@@ -664,23 +664,33 @@ public abstract class GLMediaPlayerImpl implements GLMediaPlayer {
                     throw streamInitErr;
                 }
             }
+            if(DEBUG) {
+                System.err.println("GLMediaPlayer.initGL: "+this);
+            }
             try {
-                if( STREAM_ID_NONE != vid && State.Uninitialized != state ) {
-                    resetAVPTSAndFlush();
-                    removeAllTextureFrames(gl);
+                resetAVPTSAndFlush();
+                removeAllTextureFrames(gl);
+                if( State.Uninitialized != state ) {
                     initGLImpl(gl);
                     if(DEBUG) {
                         System.err.println("initGLImpl.X "+this);
                     }
-                    videoFramesOrig = createTexFrames(gl, textureCount);
-                    if( TEXTURE_COUNT_MIN == textureCount ) {
+                    if( null != gl ) {
+                        videoFramesOrig = createTexFrames(gl, textureCount);
+                        if( TEXTURE_COUNT_MIN == textureCount ) {
+                            videoFramesFree = null;
+                            videoFramesDecoded = null;
+                            lastFrame = videoFramesOrig[0];
+                        } else {
+                            videoFramesFree = new LFRingbuffer<TextureFrame>(videoFramesOrig);
+                            videoFramesDecoded = new LFRingbuffer<TextureFrame>(TextureFrame[].class, textureCount);
+                            lastFrame = videoFramesFree.getBlocking( );
+                        }
+                    } else {
+                        videoFramesOrig = null;
                         videoFramesFree = null;
                         videoFramesDecoded = null;
-                        lastFrame = videoFramesOrig[0];
-                    } else {
-                        videoFramesFree = new LFRingbuffer<TextureFrame>(videoFramesOrig);
-                        videoFramesDecoded = new LFRingbuffer<TextureFrame>(TextureFrame[].class, textureCount);
-                        lastFrame = videoFramesFree.getBlocking( );
+                        lastFrame = null;
                     }
                     if( null == streamWorker &&
                         ( TEXTURE_COUNT_MIN < textureCount || STREAM_ID_NONE == vid ) ) // Enable StreamWorker for 'audio only' as well (Bug 918).
@@ -691,10 +701,17 @@ public abstract class GLMediaPlayerImpl implements GLMediaPlayer {
                     streamWorker.doResume();
                     changeState(new GLMediaPlayer.EventMask(), State.Paused);
                     resume();
+                } else if( null == gl ) {
+                    width = 0;
+                    height = 0;
+                    setTextureFormat(GL.GL_RGBA, GL.GL_RGBA);
+                    setTextureType(GL.GL_UNSIGNED_BYTE);
+                    textureCount = 0;
+                    videoFramesOrig = null;
+                    videoFramesFree = null;
+                    videoFramesDecoded = null;
+                    lastFrame = null;
                 } else {
-                    resetAVPTSAndFlush();
-                    removeAllTextureFrames(gl);
-                    // initGLImpl(gl);
                     // Using a dummy test frame
                     width = TestTexture.singleton.getWidth();
                     height = TestTexture.singleton.getHeight();
@@ -711,9 +728,6 @@ public abstract class GLMediaPlayerImpl implements GLMediaPlayer {
                         videoFramesDecoded = new LFRingbuffer<TextureFrame>(TextureFrame[].class, textureCount);
                         lastFrame = videoFramesFree.getBlocking( );
                     }
-                    videoFramesFree = null;
-                    videoFramesDecoded = null;
-                    lastFrame = videoFramesOrig[0];
                     // changeState(0, State.Paused);
                 }
             } catch (final Throwable t) {
@@ -1239,6 +1253,9 @@ public abstract class GLMediaPlayerImpl implements GLMediaPlayer {
         }
 
         public final synchronized void initGL(final GL gl) {
+            if( null == gl ) {
+                return;
+            }
             final GLContext glCtx = gl.getContext();
             final boolean glCtxCurrent = glCtx.isCurrent();
             final GLProfile glp = gl.getGLProfile();
-- 
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