interface.c

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   guiIntfStruct.SubtitleChanged=1; //what is this for? (mw)
   return;
  }
 if ( subdata )
  {
   mp_msg( MSGT_GPLAYER,MSGL_INFO,MSGTR_DeletingSubtitles );
   sub_free( subdata );
   subdata=NULL;
   vo_sub=NULL;
   if ( vo_osd_list )
    {
     int len;
     mp_osd_obj_t * osd = vo_osd_list;
     while ( osd )
      {
       if ( osd->type == OSDTYPE_SUBTITLE ) break;
       osd=osd->next;
      }
     if ( osd && osd->flags&OSDFLAG_VISIBLE )
      {
       len=osd->stride * ( osd->bbox.y2 - osd->bbox.y1 );
       memset( osd->bitmap_buffer,0,len );
       memset( osd->alpha_buffer,0,len );
      }
    }
  }
 if ( name )
  {
   mp_msg( MSGT_GPLAYER,MSGL_INFO,MSGTR_LoadingSubtitles,name );
   subdata=sub_read_file( name, guiIntfStruct.FPS );
   if ( !subdata ) mp_msg( MSGT_GPLAYER,MSGL_ERR,MSGTR_CantLoadSub,name );
   sub_name = (malloc(2 * sizeof(char*))); //when mplayer will be restarted 
   sub_name[0] = strdup(name);             //sub_name[0] will be read 
   sub_name[1] = NULL;  
  }
 update_set_of_subtitles();

}

static void add_vf( char * str )
{
 mp_msg( MSGT_GPLAYER,MSGL_STATUS,MSGTR_AddingVideoFilter,str );
 if ( vf_settings )
  {
   int i = 0;
   while ( vf_settings[i].name ) if ( !gstrcmp( vf_settings[i++].name,str ) ) { i=-1; break; }
   if ( i != -1 )
     { vf_settings=realloc( vf_settings,( i + 2 ) * sizeof( m_obj_settings_t ) ); vf_settings[i].name=strdup( str );vf_settings[i].attribs = NULL; vf_settings[i+1].name=NULL; }
  } else { vf_settings=malloc( 2 * sizeof(  m_obj_settings_t ) ); vf_settings[0].name=strdup( str );vf_settings[0].attribs = NULL; vf_settings[1].name=NULL; }
}

static void remove_vf( char * str )
{
 int n = 0;

 if ( !vf_settings ) return;

 mp_msg( MSGT_GPLAYER,MSGL_STATUS,MSGTR_RemovingVideoFilter,str );

 while ( vf_settings[n++].name ); n--;
 if ( n > -1 )
  {
   int i = 0,m = -1;
   while ( vf_settings[i].name ) if ( !gstrcmp( vf_settings[i++].name,str ) ) { m=i - 1; break; }
   i--;
   if ( m > -1 )
    {
     if ( n == 1 ) { free( vf_settings[0].name );free( vf_settings[0].attribs ); free( vf_settings ); vf_settings=NULL; }
     else { free( vf_settings[i].name );free( vf_settings[i].attribs ); memcpy( &vf_settings[i],&vf_settings[i + 1],( n - i ) * sizeof( m_obj_settings_t ) ); }
    }
  }
}

int guiGetEvent( int type,char * arg )
{
  ao_functions_t *audio_out = NULL;
  vo_functions_t *video_out = NULL;
  mixer_t *mixer = NULL;

 stream_t * stream = (stream_t *) arg;
#ifdef USE_DVDREAD
 dvd_priv_t * dvdp = (dvd_priv_t *) arg;
#endif 

 if (guiIntfStruct.mpcontext) {
   audio_out = mpctx_get_audio_out(guiIntfStruct.mpcontext);
   video_out = mpctx_get_video_out(guiIntfStruct.mpcontext);
   mixer = mpctx_get_mixer(guiIntfStruct.mpcontext);
 }

 switch ( type )
  {
   case guiXEvent:
        guiIntfStruct.event_struct=(void *)arg;
        wsEvents( wsDisplay,(XEvent *)arg,NULL );
        gtkEventHandling();
        break;
   case guiCEvent:
        switch ( (int)arg )
	 {
	  case guiSetPlay: 
	       guiIntfStruct.Playing=1;
//	       if ( !gtkShowVideoWindow ) wsVisibleWindow( &appMPlayer.subWindow,wsHideWindow );
	       break;
	  case guiSetStop:
	       guiIntfStruct.Playing=0;
//	       if ( !gtkShowVideoWindow ) wsVisibleWindow( &appMPlayer.subWindow,wsHideWindow );
	       break;
          case guiSetPause: guiIntfStruct.Playing=2; break;
	 }
	mplState();
        break;
   case guiSetState:
	mplState();
        break;
   case guiSetFileName:
        if ( arg ) guiSetFilename( guiIntfStruct.Filename,arg );
        break;
   case guiSetAudioOnly:
	guiIntfStruct.AudioOnly=(int)arg;
	if ( (int)arg ) { guiIntfStruct.NoWindow=True; wsVisibleWindow( &appMPlayer.subWindow,wsHideWindow ); }
	  else wsVisibleWindow( &appMPlayer.subWindow,wsShowWindow );
	break;
   case guiSetContext:
	guiIntfStruct.mpcontext=(void *)arg;
   case guiSetDemuxer:
	guiIntfStruct.demuxer=(void *)arg;
	break;
   case guiSetAfilter:
	guiIntfStruct.afilter=(void *)arg;
	break;
   case guiSetShVideo:
	 {
	  if ( !appMPlayer.subWindow.isFullScreen )
	   {
	    wsResizeWindow( &appMPlayer.subWindow,vo_dwidth,vo_dheight );
            wsMoveWindow( &appMPlayer.subWindow,True,appMPlayer.sub.x,appMPlayer.sub.y );
	   }
	  guiIntfStruct.MovieWidth=vo_dwidth;
	  guiIntfStruct.MovieHeight=vo_dheight;
          if (guiWinID>=0)
            wsMoveWindow( &appMPlayer.mainWindow,0,0, vo_dheight);
         }
	break;
#ifdef USE_DVDREAD
   case guiSetDVD:
        guiIntfStruct.DVD.titles=dvdp->vmg_file->tt_srpt->nr_of_srpts;
        guiIntfStruct.DVD.chapters=dvdp->vmg_file->tt_srpt->title[dvd_title].nr_of_ptts;
        guiIntfStruct.DVD.angles=dvdp->vmg_file->tt_srpt->title[dvd_title].nr_of_angles;
        guiIntfStruct.DVD.nr_of_audio_channels=dvdp->nr_of_channels;
        memcpy( guiIntfStruct.DVD.audio_streams,dvdp->audio_streams,sizeof( dvdp->audio_streams ) );
        guiIntfStruct.DVD.nr_of_subtitles=dvdp->nr_of_subtitles;
        memcpy( guiIntfStruct.DVD.subtitles,dvdp->subtitles,sizeof( dvdp->subtitles ) );
        guiIntfStruct.DVD.current_title=dvd_title + 1;
        guiIntfStruct.DVD.current_chapter=dvd_chapter + 1;
        guiIntfStruct.DVD.current_angle=dvd_angle + 1;
        guiIntfStruct.Track=dvd_title + 1;
        break;
#endif
   case guiSetStream:
	guiIntfStruct.StreamType=stream->type;
	switch( stream->type )
	 {
#ifdef USE_DVDREAD
	  case STREAMTYPE_DVD: 
	       guiGetEvent( guiSetDVD,(char *)stream->priv );
	       break;
#endif
#ifdef HAVE_VCD
	  case STREAMTYPE_VCD: 
	       {
	        int i;
		
		if (!stream->priv)
		{
		    guiIntfStruct.VCDTracks=0;
		    break;
		}
		for ( i=1;i < 100;i++ )
		  if ( vcd_seek_to_track( stream->priv,i ) < 0 ) break;
		vcd_seek_to_track( stream->priv,vcd_track );
		guiIntfStruct.VCDTracks=--i;
	        break;
	       }
#endif
	  default: break;
	 }
	break;
   case guiIEvent:
        mp_msg( MSGT_GPLAYER,MSGL_V,"cmd: %d\n",(int)arg );
	switch( (int)arg )
	 {
          case MP_CMD_QUIT:
	       mplEventHandling( evExit,0 );
	       break;
	  case MP_CMD_VO_FULLSCREEN:
	       mplEventHandling( evFullScreen,0 );
	       break;
          default:
	       mplEventHandling( guiCMDArray[ (int)arg - MP_CMD_GUI_EVENTS - 1 ],0 );
	 }
	break;
   case guiReDraw:
	mplEventHandling( evRedraw,0 );
	break;
   case guiSetVolume:
        if ( audio_out )
	{
	 float l,r;
	 mixer_getvolume( mixer,&l,&r );
	 guiIntfStruct.Volume=(r>l?r:l);
	 if ( r != l ) guiIntfStruct.Balance=( ( r - l ) + 100 ) * 0.5f;
	   else guiIntfStruct.Balance=50.0f;
	 btnModify( evSetVolume,guiIntfStruct.Volume );
	 btnModify( evSetBalance,guiIntfStruct.Balance );
	}
	break;
   case guiSetFileFormat:
        guiIntfStruct.FileFormat=(int)arg;
	break;
   case guiSetValues:
// -- video
	guiIntfStruct.sh_video=arg;
	if ( arg )
	 {
	  sh_video_t * sh = (sh_video_t *)arg;
	  guiIntfStruct.FPS=sh->fps;
	 }

	if ( guiIntfStruct.NoWindow ) wsVisibleWindow( &appMPlayer.subWindow,wsHideWindow );
	
	if ( guiIntfStruct.StreamType == STREAMTYPE_STREAM ) btnSet( evSetMoviePosition,btnDisabled );
	 else btnSet( evSetMoviePosition,btnReleased );
	 
// -- audio
        if ( audio_out )
	{
	 float l,r;
	 mixer_getvolume( mixer,&l,&r );
	 guiIntfStruct.Volume=(r>l?r:l);
	 if ( r != l ) guiIntfStruct.Balance=( ( r - l ) + 100 ) * 0.5f;
	   else guiIntfStruct.Balance=50.0f;
	 btnModify( evSetVolume,guiIntfStruct.Volume );
	 btnModify( evSetBalance,guiIntfStruct.Balance );
	}

	if ( gtkEnableAudioEqualizer )
	 {
	  equalizer_t eq;
	  int i,j;
	  for ( i=0;i<6;i++ )
	    for ( j=0;j<10;j++ )
	     {
	      eq.channel=i; eq.band=j; eq.gain=gtkEquChannels[i][j];
	      gtkSet( gtkSetEqualizer,0,&eq );
	     }
	 }
// -- subtitle
#ifdef HAVE_DXR3
	if ( video_driver_list && !gstrcmp( video_driver_list[0],"dxr3" ) && guiIntfStruct.FileFormat != DEMUXER_TYPE_MPEG_PS
#ifdef USE_LIBAVCODEC
	 && !gtkVfLAVC
#endif
	 )
	 {
	  gtkMessageBox( GTK_MB_FATAL,MSGTR_NEEDLAVC );
	  guiIntfStruct.Playing=0;
	  return True;
	 }
#endif
	break;
   case guiSetDefaults:
//        if ( guiIntfStruct.Playing == 1 && guiIntfStruct.FilenameChanged )
	if ( guiIntfStruct.FilenameChanged )
         {
          audio_id=-1;
	  video_id=-1;
	  dvdsub_id=-1;
	  vobsub_id=-1;
          stream_cache_size=-1;
	  autosync=0;
	  vcd_track=0;
	  dvd_title=0;
	  force_fps=0;
	 }				
	guiIntfStruct.demuxer=NULL;
	guiIntfStruct.sh_video=NULL;
	wsPostRedisplay( &appMPlayer.subWindow );
	break;
   case guiSetParameters:
        guiGetEvent( guiSetDefaults,NULL );
        switch ( guiIntfStruct.StreamType ) 
         {
	  case STREAMTYPE_PLAYLIST:
	       break;
#ifdef HAVE_VCD
	  case STREAMTYPE_VCD:
	       {
	        char tmp[512];
		sprintf( tmp,"vcd://%d",guiIntfStruct.Track + 1 );
		guiSetFilename( guiIntfStruct.Filename,tmp );
	       }
	       break;
#endif
#ifdef USE_DVDREAD
 	  case STREAMTYPE_DVD:
	       {
	        char tmp[512];
		sprintf( tmp,"dvd://%d",guiIntfStruct.Title );
		guiSetFilename( guiIntfStruct.Filename,tmp );
	       }
	       dvd_chapter=guiIntfStruct.Chapter;
	       dvd_angle=guiIntfStruct.Angle;
	       break;
#endif
	 }
	//if ( guiIntfStruct.StreamType != STREAMTYPE_PLAYLIST ) // Does not make problems anymore!
	 {	
	  if ( guiIntfStruct.Filename ) filename=gstrdup( guiIntfStruct.Filename );
	   else if ( filename ) guiSetFilename( guiIntfStruct.Filename,filename );
	 }
// --- video opts
       
       if ( !video_driver_list )
	{
         int i = 0;
           while ( video_out_drivers[i++] )
	    if ( video_out_drivers[i - 1]->control( VOCTRL_GUISUPPORT,NULL ) == VO_TRUE ) 
	     {
	      gaddlist( &video_driver_list,(char *)video_out_drivers[i - 1]->info->short_name );
	      break;
	     }
	 }
	
	if ( !video_driver_list && !video_driver_list[0] ) { gtkMessageBox( GTK_MB_FATAL,MSGTR_IDFGCVD ); exit_player( "gui init" ); }

	{
	 int i = 0;
         guiIntfStruct.NoWindow=False;
         while ( video_out_drivers[i++] )
	  if ( video_out_drivers[i - 1]->control( VOCTRL_GUISUPPORT,NULL ) == VO_TRUE ) 
	   {
	    if  ( ( video_driver_list && !gstrcmp( video_driver_list[0],(char *)video_out_drivers[i - 1]->info->short_name ) )&&( video_out_drivers[i - 1]->control( VOCTRL_GUI_NOWINDOW,NULL ) == VO_TRUE ) ) 
	      { guiIntfStruct.NoWindow=True; break; }
	   }
	}

#ifdef HAVE_DXR3
#ifdef USE_LIBAVCODEC
	remove_vf( "lavc" );
#endif
	if ( video_driver_list && !gstrcmp( video_driver_list[0],"dxr3" ) )
	 {
	  if ( ( guiIntfStruct.StreamType != STREAMTYPE_DVD)&&( guiIntfStruct.StreamType != STREAMTYPE_VCD ) )
	   {
#ifdef USE_LIBAVCODEC
	    if ( gtkVfLAVC ) add_vf( "lavc" );
#endif
	   }
	 }
#endif
// ---	 
	if ( gtkVfPP ) add_vf( "pp" );
	 else remove_vf( "pp" );
		 
// --- audio opts
//	if ( ao_plugin_cfg.plugin_list ) { free( ao_plugin_cfg.plugin_list ); ao_plugin_cfg.plugin_list=NULL; }
	if (gtkAONorm)
	  greplace(&af_cfg.list, "volnorm", "volnorm");
	if (gtkEnableAudioEqualizer)
	  greplace(&af_cfg.list, "equalizer", "equalizer");
	if ( gtkAOExtraStereo )
	 {
	  char *name = malloc(12 + 20 + 1);
	  snprintf(name, 12 + 20, "extrastereo=%f", gtkAOExtraStereoMul);
	  name[12 + 20] = 0;
	  greplace(&af_cfg.list, "extrastereo", name);
	  free(name);
	 }
#ifdef USE_OSS_AUDIO
	if ( audio_driver_list && !gstrncmp( audio_driver_list[0],"oss",3 ) )
	 {
	  char *tmp;
	  mixer_device = gtkAOOSSMixer;
	  mixer_channel = gtkAOOSSMixerChannel;
	  if (gtkAOOSSDevice) {
	  tmp = calloc( 1,strlen( gtkAOOSSDevice ) + 7 );
	  sprintf( tmp,"oss:%s",gtkAOOSSDevice );
	  } else
	    tmp = strdup("oss");
	  gaddlist( &audio_driver_list,tmp );
	  free(tmp);
	 }
#endif
#if defined(HAVE_ALSA9) || defined (HAVE_ALSA1X)
	if ( audio_driver_list && !gstrncmp( audio_driver_list[0],"alsa",4 ) )
	 {
	  char *tmp;
	  mixer_device = gtkAOALSAMixer;
	  mixer_channel = gtkAOALSAMixerChannel;
	  if (gtkAOALSADevice) {
	    tmp = calloc( 1,strlen( gtkAOALSADevice ) + 14 );
	    sprintf( tmp,"alsa:device=%s",gtkAOALSADevice );
	  } else
	    tmp = strdup("alsa");
	  gaddlist( &audio_driver_list,tmp );
	  free(tmp);
	 }
#endif
#ifdef HAVE_SDL
	if ( audio_driver_list && !gstrncmp( audio_driver_list[0],"sdl",3 ) )
	 {
	  char *tmp;
	  if (gtkAOSDLDriver) {
	  tmp = calloc( 1,strlen( gtkAOSDLDriver ) + 10 );
	  sprintf( tmp,"sdl:%s",gtkAOSDLDriver );
	  } else
	    tmp = strdup("sdl");
	  gaddlist( &audio_driver_list,tmp );
	  free(tmp);
	 }
#endif
#ifdef USE_ESD
	if ( audio_driver_list && !gstrncmp( audio_driver_list[0],"esd",3 ) )
	 {
	  char *tmp;
	  if (gtkAOESDDevice) {
	  tmp = calloc( 1,strlen( gtkAOESDDevice ) + 10 );
	  sprintf( tmp,"esd:%s",gtkAOESDDevice );
	  } else
	    tmp = strdup("esd");
	  gaddlist( &audio_driver_list,tmp );
	  free(tmp);