Recognize Philips Overlay Graphics (OGT) and Chaoji VCD (CVD) subtitle

streams.  Still need to be able to do something with them though.

modules/demux/mpeg/system.c

@@ -2,7 +2,7 @@
  * system.c: helper module for TS, PS and PES management
  *****************************************************************************
  * Copyright (C) 1998-2002 VideoLAN
- * $Id: system.c,v 1.23 2003/12/01 23:39:11 gbazin Exp $
+ * $Id: system.c,v 1.24 2003/12/06 05:15:54 rocky Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *          Michel Lespinasse <walken@via.ecp.fr>
@@ -965,6 +965,23 @@ static es_descriptor_t * ParsePS( input_thread_t * p_input,
                     i_fourcc = VLC_FOURCC('l','p','c','b');
                     i_cat = AUDIO_ES;
                 }
+                else if( (i_id & 0xFFFF) == 0x70BD )
+                {
+                    /* SVCD OGT subtitles in stream 0x070 */
+                    i_fourcc = VLC_FOURCC('s','o','g','t');
+                    i_cat = SPU_ES;
+		    msg_Warn( p_input,  
+			      "SVCD OGT subtitles not implemented yet" );
+                }
+                else if( ((i_id >> 8) & 0xFF) <= 0x03 && 
+			 (i_id & 0x00FF) == 0x00BD )
+                {
+                    /* CVD subtitles (0x00->0x03) */
+                    i_fourcc = VLC_FOURCC('s','c','v','d');
+                    i_cat = SPU_ES;
+		    msg_Warn( p_input,  
+			      "CVD subtitles not implemented yet" );
+                }
                 else
                 {
                     i_cat = UNKNOWN_ES;