* all: skeleton of a coming-soon OpenGL visualization plugin, compatible

   with MilkDrop for winamp.

build-vlc

@@ -2,7 +2,8 @@
 
 FEATURES="
 SKINS skins
-SKINS2 skins2
+SKINS skins2
+FAMILIAR familiar
 WXWINDOWS wxwindows
 OPIE opie
 MACOSX macosx
@@ -80,6 +81,7 @@ RELEASE release
 SOUT sout
 WITHFFMPEGMP3LAME ffmpeg-mp3lame
 WITHFFMPEGFAAC ffmpeg-faac
+GALAKTOS galaktos
 "
 PATHS="
 WITHXML2CONFIGPATH xml2-config-path
@@ -136,25 +138,17 @@ do
    eval x="\$CONFIG_$1"
    if [ "$x" == "y" ]
    then
-      if [ "$1" == "WITHFFMPEGMP3LAME" ]
-      then 
-         echo -n "--with-$2 " >> .cmd
-      else if [ "$1" == "WITHFFMPEGFAAC" ]
+      if [ "$1" == "WITHFFMPEGMP3LAME" ] || [ "$1" == "WITHFFMPEGFAAC" ]
       then
          echo -n "--with-$2 " >> .cmd
       else
          echo -n "--enable-$2 " >> .cmd
-      fi fi
+      fi
    else
-      if [ "$1" == "WITHFFMPEGMP3LAME" ]
-      then 
-         echo -n "--without-$2 " >> .cmd
-      else if [ "$1" == "WITHFFMPEGFAAC" ]
+      if [ "$1" != "WITHFFMPEGMP3LAME" ] && [ "$1" != "WITHFFMPEGFAAC" ]
       then
-         echo -n "--without-$2 " >> .cmd
-      else
          echo -n "--disable-$2 " >> .cmd
-      fi fi
+      fi
    fi
    shift; shift
 done

config.in

@@ -16,6 +16,7 @@ bool 'Skins2 module' CONFIG_SKINS2
 if [ "$CONFIG_SKINS2" = "y" ]; then
   string 'xml2-config path' CONFIG_WITHXML2CONFIGPATH ""
 fi
+bool 'Familiar GTK+ support' CONFIG_FAMILIAR
 # TODO: --enable-pda
 bool 'wxWindows support' CONFIG_WXWINDOWS
 if [ "$CONFIG_WXWINDOWS" = "y" ]; then
@@ -36,6 +37,7 @@ bool 'Goom visualization plugin' CONFIG_GOOM
 if [ "$CONFIG_GOOM" = "y" ]; then
   string 'goom tree for static linking' CONFIG_WITHGOOMTREE ""
 fi
+bool 'GaLaktos visualization plugin' CONFIG_GALAKTOS
 bool 'SLP service discovery support' CONFIG_SLP
 if [ "$CONFIG_SLP" = "y" ]; then
   string 'libslp headers and libraries' CONFIG_WITHSLP ""

configure.ac

@@ -3340,12 +3340,23 @@ dnl
 dnl Visualisation plugin
 dnl
 AC_ARG_ENABLE(visual,
-  [  --enable-visual          visualisation plugin (default enabled)])
+  [  --enable-visual         visualisation plugin (default enabled)])
 if test "${enable_visual}" != "no"
 then
     VLC_ADD_PLUGINS([visual])
 fi
 
+dnl
+dnl OpenGL visualisation plugin
+dnl
+AC_ARG_ENABLE(galaktos,
+  [  --enable-galaktos       OpenGL visualisation plugin (default disabled)])
+if test "${enable_galaktos}" = "yes"
+then
+    VLC_ADD_PLUGINS([galaktos])
+    VLC_ADD_LDFLAGS([galaktos],[-lGL -lGLU])
+fi
+
 dnl
 dnl  goom visualization plugin
 dnl
@@ -3855,6 +3866,7 @@ AC_CONFIG_FILES([
   modules/video_output/x11/Makefile
   modules/visualization/Makefile
   modules/visualization/visual/Makefile
+  modules/visualization/galaktos/Makefile
 ])
 
 AC_CONFIG_FILES([vlc-config], [chmod 0755 vlc-config])

modules/visualization/galaktos/Modules.am

+SOURCES_galaktos = plugin.c \
+                   plugin.h \
+                   glx.c \
+                   glx.h

modules/visualization/galaktos/glx.c

+/*****************************************************************************
+ * glx.c:
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id$
+ *
+ * Authors: Cyril Deguet <asmax@videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ *****************************************************************************/
+
+#include "glx.h"
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <GL/glx.h>
+
+/* Local prototypes */
+static int CreateWindow( galaktos_thread_t *p_thread, int i_width,
+                         int i_height );
+
+
+typedef struct
+{
+    Display     *p_display;
+    GLXFBConfig fbconf;
+    Window      wnd;
+    GLXWindow   gwnd;
+}
+glx_data_t;
+#define OS_DATA ((glx_data_t*)(p_thread->p_os_data))
+
+
+int galaktos_glx_init( galaktos_thread_t *p_thread, int i_width, int i_height )
+{
+    Display *p_display;
+    int i_opcode, i_evt, i_err;
+    int i_maj, i_min;
+    int i_nbelem;
+    GLXFBConfig *p_fbconfs, fbconf;
+    static const int p_attr[] = { GLX_RED_SIZE, 5, GLX_GREEN_SIZE, 5,
+                                  GLX_BLUE_SIZE, 5, GLX_DOUBLEBUFFER, True,
+                                  GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT, 0 };
+
+    /* Initialize OS data */
+    p_thread->p_os_data = malloc( sizeof( glx_data_t ) );
+
+    /* Open the display */
+    OS_DATA->p_display = p_display = XOpenDisplay( NULL );
+    if( !p_display )
+    {
+        msg_Err( p_thread, "Cannot open display" );
+        return -1;
+    }
+
+    /* Check for GLX extension */
+    if( !XQueryExtension( p_display, "GLX", &i_opcode, &i_evt, &i_err ) )
+    {
+        msg_Err( p_thread, "GLX extension not supported" );
+        return -1;
+    }
+    if( !glXQueryExtension( p_display, &i_err, &i_evt ) )
+    {
+        msg_Err( p_thread, "glXQueryExtension failed" );
+        return -1;
+    }
+
+    /* Check GLX version */
+    if (!glXQueryVersion( p_display, &i_maj, &i_min ) )
+    {
+        msg_Err( p_thread, "glXQueryVersion failed" );
+        return -1;
+    }
+    if( i_maj <= 0 || ((i_maj == 1) && (i_min < 3)) )
+    {
+        msg_Err( p_thread, "GLX 1.3 is needed" );
+        return -1;
+    }
+
+    /* Get the FB configuration */
+    p_fbconfs = glXChooseFBConfig( p_display, 0, p_attr, &i_nbelem );
+    if( (i_nbelem <= 0) || !p_fbconfs )
+    {
+        msg_Err( p_thread, "Cannot get FB configurations");
+        if( p_fbconfs )
+        {
+            XFree( p_fbconfs );
+        }
+        return -1;
+    }
+    OS_DATA->fbconf = fbconf = p_fbconfs[0];
+
+    if( CreateWindow( p_thread, i_width, i_height ) == -1 )
+    {
+        XFree( p_fbconfs );
+        return -1;
+    }
+
+    msg_Err( p_thread, "NOT IMPLEMENTED YET ;)" );
+    return 0;
+}
+
+
+int CreateWindow( galaktos_thread_t *p_thread, int i_width, int i_height )
+{
+    Display *p_display;
+    XVisualInfo *p_vi;
+    XSetWindowAttributes xattr;
+    Window wnd;
+
+    p_display = OS_DATA->p_display;
+    /* Get the X11 visual */
+    p_vi = glXGetVisualFromFBConfig( p_display, OS_DATA->fbconf );
+    if( !p_vi )
+    {
+        msg_Err( p_thread, "Cannot get X11 visual" );
+        return -1;
+    }
+
+    /* Create the window */
+    xattr.background_pixel = BlackPixel( p_display, DefaultScreen(p_display) );
+    xattr.border_pixel = 0;
+    OS_DATA->wnd = wnd = XCreateWindow( p_display, DefaultRootWindow(p_display),
+            0, 0, i_width, i_height, 0, p_vi->depth, InputOutput, p_vi->visual,
+            CWBackPixel | CWBorderPixel, &xattr);
+    XFree( p_vi );
+
+    /* Create the GLX window */
+    OS_DATA->gwnd = glXCreateWindow( p_display, OS_DATA->fbconf, wnd, NULL );
+    if( OS_DATA->gwnd == None )
+    {
+        msg_Err( p_thread, "Cannot create GLX window" );
+        return -1;
+    }
+
+    return 0;
+}

modules/visualization/galaktos/glx.h

+/*****************************************************************************
+ * plugin.h:
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id$
+ *
+ * Authors: Cyril Deguet <asmax@videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ *****************************************************************************/
+
+#ifndef _GALAKTOS_GLX_H_
+#define _GALAKTOS_GLX_H_
+
+#include "plugin.h"
+
+int galaktos_glx_init( galaktos_thread_t *p_thread, int i_width, int i_height );
+
+#endif

modules/visualization/galaktos/plugin.c

+/*****************************************************************************
+ * plugin.c:
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id$
+ *
+ * Authors: Cyril Deguet <asmax@videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include "plugin.h"
+#include "glx.h"
+
+#include <vlc/input.h>
+#include <vlc/vout.h>
+#include "aout_internal.h"
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int  Open         ( vlc_object_t * );
+static void Close        ( vlc_object_t * );
+
+vlc_module_begin();
+    set_description( _("GaLaktos visualization plugin") );
+    set_capability( "audio filter", 0 );
+    set_callbacks( Open, Close );
+    add_shortcut( "galaktos" );
+vlc_module_end();
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+typedef struct aout_filter_sys_t
+{
+    galaktos_thread_t *p_thread;
+
+} aout_filter_sys_t;
+
+static void DoWork   ( aout_instance_t *, aout_filter_t *, aout_buffer_t *,
+                       aout_buffer_t * );
+
+static void Thread   ( vlc_object_t * );
+
+static char *TitleGet( vlc_object_t * );
+
+/*****************************************************************************
+ * Open: open a scope effect plugin
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+    aout_filter_t     *p_filter = (aout_filter_t *)p_this;
+    aout_filter_sys_t *p_sys;
+    galaktos_thread_t     *p_thread;
+    vlc_value_t       width, height;
+
+    if ( p_filter->input.i_format != VLC_FOURCC('f','l','3','2' )
+         || p_filter->output.i_format != VLC_FOURCC('f','l','3','2') )
+    {
+        msg_Warn( p_filter, "Bad input or output format" );
+        return VLC_EGENERIC;
+    }
+    if ( !AOUT_FMTS_SIMILAR( &p_filter->input, &p_filter->output ) )
+    {
+        msg_Warn( p_filter, "input and output formats are not similar" );
+        return VLC_EGENERIC;
+    }
+
+    p_filter->pf_do_work = DoWork;
+    p_filter->b_in_place = 1;
+
+    /* Allocate structure */
+    p_sys = p_filter->p_sys = malloc( sizeof( aout_filter_sys_t ) );
+
+    /* Create galaktos thread */
+    p_sys->p_thread = p_thread =
+        vlc_object_create( p_filter, sizeof( galaktos_thread_t ) );
+    vlc_object_attach( p_thread, p_this );
+
+    galaktos_glx_init( p_thread, 512, 512 );
+/*
+    var_Create( p_thread, "galaktos-width", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
+    var_Get( p_thread, "galaktos-width", &width );
+    var_Create( p_thread, "galaktos-height", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
+    var_Get( p_thread, "galaktos-height", &height );
+*/
+    vlc_mutex_init( p_filter, &p_thread->lock );
+    vlc_cond_init( p_filter, &p_thread->wait );
+
+    p_thread->i_blocks = 0;
+    aout_DateInit( &p_thread->date, p_filter->output.i_rate );
+    aout_DateSet( &p_thread->date, 0 );
+    p_thread->i_channels = aout_FormatNbChannels( &p_filter->input );
+
+    p_thread->psz_title = TitleGet( VLC_OBJECT( p_filter ) );
+
+    if( vlc_thread_create( p_thread, "galaktos update thread", Thread,
+                           VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
+    {
+        msg_Err( p_filter, "cannot lauch galaktos thread" );
+        vout_Destroy( p_thread->p_vout );
+        vlc_mutex_destroy( &p_thread->lock );
+        vlc_cond_destroy( &p_thread->wait );
+        if( p_thread->psz_title ) free( p_thread->psz_title );
+        vlc_object_detach( p_thread );
+        vlc_object_destroy( p_thread );
+        free( p_sys );
+        return VLC_EGENERIC;
+    }
+
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * DoWork: process samples buffer
+ *****************************************************************************
+ * This function queues the audio buffer to be processed by the galaktos thread
+ *****************************************************************************/
+static void DoWork( aout_instance_t * p_aout, aout_filter_t * p_filter,
+                    aout_buffer_t * p_in_buf, aout_buffer_t * p_out_buf )
+{
+    aout_filter_sys_t *p_sys = p_filter->p_sys;
+    block_t *p_block;
+
+    p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
+    p_out_buf->i_nb_bytes = p_in_buf->i_nb_bytes;
+
+    /* Queue sample */
+    vlc_mutex_lock( &p_sys->p_thread->lock );
+    if( p_sys->p_thread->i_blocks == MAX_BLOCKS )
+    {
+        vlc_mutex_unlock( &p_sys->p_thread->lock );
+        return;
+    }
+
+    p_block = block_New( p_sys->p_thread, p_in_buf->i_nb_bytes );
+    if( !p_block ) return;
+    memcpy( p_block->p_buffer, p_in_buf->p_buffer, p_in_buf->i_nb_bytes );
+    p_block->i_pts = p_in_buf->start_date;
+
+    p_sys->p_thread->pp_blocks[p_sys->p_thread->i_blocks++] = p_block;
+
+    vlc_cond_signal( &p_sys->p_thread->wait );
+    vlc_mutex_unlock( &p_sys->p_thread->lock );
+}
+
+/*****************************************************************************
+ * float to s16 conversion
+ *****************************************************************************/
+static inline int16_t FloatToInt16( float f )
+{
+    if( f >= 1.0 )
+        return 32767;
+    else if( f < -1.0 )
+        return -32768;
+    else
+        return (int16_t)( f * 32768.0 );
+}
+
+/*****************************************************************************
+ * Fill buffer
+ *****************************************************************************/
+static int FillBuffer( int16_t *p_data, int *pi_data,
+                       audio_date_t *pi_date, audio_date_t *pi_date_end,
+                       galaktos_thread_t *p_this )
+{
+    int i_samples = 0;
+    block_t *p_block;
+
+    while( *pi_data < 512 )
+    {
+        if( !p_this->i_blocks ) return VLC_EGENERIC;
+
+        p_block = p_this->pp_blocks[0];
+        i_samples = __MIN( 512 - *pi_data, p_block->i_buffer /
+                           sizeof(float) / p_this->i_channels );
+
+        /* Date management */
+        if( p_block->i_pts > 0 &&
+            p_block->i_pts != aout_DateGet( pi_date_end ) )
+        {
+           aout_DateSet( pi_date_end, p_block->i_pts );
+        }
+        p_block->i_pts = 0;
+
+        aout_DateIncrement( pi_date_end, i_samples );
+
+        while( i_samples > 0 )
+        {
+            float *p_float = (float *)p_block->p_buffer;
+
+            p_data[*pi_data] = FloatToInt16( p_float[0] );
+            if( p_this->i_channels > 1 )
+                p_data[512 + *pi_data] = FloatToInt16( p_float[1] );
+
+            (*pi_data)++;
+            p_block->p_buffer += (sizeof(float) * p_this->i_channels);
+            p_block->i_buffer -= (sizeof(float) * p_this->i_channels);
+            i_samples--;
+        }
+
+        if( !p_block->i_buffer )
+        {
+            block_Release( p_block );
+            p_this->i_blocks--;
+            if( p_this->i_blocks )
+                memmove( p_this->pp_blocks, p_this->pp_blocks + 1,
+                         p_this->i_blocks * sizeof(block_t *) );
+        }
+    }
+
+    *pi_date = *pi_date_end;
+    *pi_data = 0;
+    return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Thread:
+ *****************************************************************************/
+static void Thread( vlc_object_t *p_this )
+{
+    galaktos_thread_t *p_thread = (galaktos_thread_t*)p_this;
+    vlc_value_t width, height, speed;
+    audio_date_t i_pts;
+    int16_t p_data[2][512];
+    int i_data = 0, i_count = 0;
+
+    while( !p_thread->b_die )
+    {
+        msleep( VOUT_OUTMEM_SLEEP );
+    }
+}
+
+/*****************************************************************************
+ * Close: close the plugin
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+    aout_filter_t     *p_filter = (aout_filter_t *)p_this;
+    aout_filter_sys_t *p_sys = p_filter->p_sys;
+
+    /* Stop galaktos Thread */
+    p_sys->p_thread->b_die = VLC_TRUE;
+
+    vlc_mutex_lock( &p_sys->p_thread->lock );
+    vlc_cond_signal( &p_sys->p_thread->wait );
+    vlc_mutex_unlock( &p_sys->p_thread->lock );
+
+    vlc_thread_join( p_sys->p_thread );
+
+    /* Free data */
+    vout_Request( p_filter, p_sys->p_thread->p_vout, 0, 0, 0, 0 );
+    vlc_mutex_destroy( &p_sys->p_thread->lock );
+    vlc_cond_destroy( &p_sys->p_thread->wait );
+    vlc_object_detach( p_sys->p_thread );
+
+    while( p_sys->p_thread->i_blocks-- )
+    {
+        block_Release( p_sys->p_thread->pp_blocks[p_sys->p_thread->i_blocks] );
+    }
+
+    vlc_object_destroy( p_sys->p_thread );
+
+    free( p_sys );
+}
+
+static char *TitleGet( vlc_object_t *p_this )
+{
+    char *psz_title = NULL;
+    input_thread_t *p_input =
+        vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_ANYWHERE );
+
+    if( p_input )
+    {
+        char *psz = strrchr( p_input->input.p_item->psz_uri, '/' );
+
+        if( psz )
+        {
+            psz++;
+        }
+        else
+        {
+            psz = p_input->input.p_item->psz_uri;
+        }
+        if( psz && *psz )
+        {
+            psz_title = strdup( psz );
+        }
+        vlc_object_release( p_input );
+    }
+
+    return psz_title;
+}

modules/visualization/galaktos/plugin.h

+/*****************************************************************************
+ * plugin.h:
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id$
+ *
+ * Authors: Cyril Deguet <asmax@videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ *****************************************************************************/
+
+#ifndef _GALAKTOS_PLUGIN_H_
+#define _GALAKTOS_PLUGIN_H_
+
+#include <vlc/vlc.h>
+#include <vlc/aout.h>
+
+#define MAX_BLOCKS 10
+
+typedef struct
+{
+    VLC_COMMON_MEMBERS
+    vout_thread_t *p_vout;
+
+    char          *psz_title;
+
+    vlc_mutex_t   lock;
+    vlc_cond_t    wait;
+
+    /* Audio properties */
+    int i_channels;
+
+    /* Audio samples queue */
+    block_t       *pp_blocks[MAX_BLOCKS];
+    int           i_blocks;
+
+    audio_date_t  date;
+
+    /* OS specific data */
+    void          *p_os_data;
+
+} galaktos_thread_t;
+
+#endif

src/audio_output/input.c

@@ -122,6 +122,14 @@ int aout_InputNew( aout_instance_t * p_aout, aout_input_t * p_input )
             var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
         }
 
+        /* Look for galaktos plugin */
+        p_module = config_FindModule( VLC_OBJECT(p_aout), "galaktos" );
+        if( p_module )
+        {
+            val.psz_string = "galaktos"; text.psz_string = _("GaLaktos");
+            var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
+        }
+
         if( var_Get( p_aout, "effect-list", &val ) == VLC_SUCCESS )
         {
             var_Set( p_aout, "visual", val );
@@ -563,6 +571,7 @@ static int VisualizationCallback( vlc_object_t *p_this, char const *psz_cmd,
     {
         ChangeFiltersString( p_aout, "goom", VLC_FALSE );
         ChangeFiltersString( p_aout, "visual", VLC_FALSE );
+        ChangeFiltersString( p_aout, "galaktos", VLC_FALSE );
     }
     else
     {
@@ -570,6 +579,13 @@ static int VisualizationCallback( vlc_object_t *p_this, char const *psz_cmd,
         {
             ChangeFiltersString( p_aout, "visual", VLC_FALSE );
             ChangeFiltersString( p_aout, "goom", VLC_TRUE );
+            ChangeFiltersString( p_aout, "galaktos", VLC_FALSE );
+        }
+        else if( !strcmp( "galaktos", psz_mode ) )
+        {
+            ChangeFiltersString( p_aout, "visual", VLC_FALSE );
+            ChangeFiltersString( p_aout, "goom", VLC_FALSE );
+            ChangeFiltersString( p_aout, "galaktos", VLC_TRUE );
         }
         else
         {
@@ -579,6 +595,7 @@ static int VisualizationCallback( vlc_object_t *p_this, char const *psz_cmd,
 
             ChangeFiltersString( p_aout, "goom", VLC_FALSE );
             ChangeFiltersString( p_aout, "visual", VLC_TRUE );
+            ChangeFiltersString( p_aout, "galaktos", VLC_FALSE );
         }
     }