* include/input_ext-intf.h: forgot this file in my last commit.
* src/input/input_programs.c: prev/next-chapter and prev/next-title navigation variables are created only when necessary.

include/input_ext-intf.h

@@ -4,7 +4,7 @@
  * control the pace of reading.
  *****************************************************************************
  * Copyright (C) 1999, 2000 VideoLAN
- * $Id: input_ext-intf.h,v 1.89 2003/05/05 22:23:31 gbazin Exp $
+ * $Id: input_ext-intf.h,v 1.90 2003/05/17 22:00:00 gbazin Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
@@ -349,6 +349,7 @@ struct input_thread_t
 #define INPUT_METHOD_DISC        0x20   /* stream is read directly from disc */
 #define INPUT_METHOD_DVD         0x21             /* stream is read from DVD */
 #define INPUT_METHOD_VCD         0x22             /* stream is read from VCD */
+#define INPUT_METHOD_CDDA        0x23            /* stream is read from CDDA */
 #define INPUT_METHOD_NETWORK     0x30         /* stream is read from network */
 #define INPUT_METHOD_UCAST       0x31                         /* UDP unicast */
 #define INPUT_METHOD_MCAST       0x32                       /* UDP multicast */

src/input/input_programs.c

@@ -2,7 +2,7 @@
  * input_programs.c: es_descriptor_t, pgrm_descriptor_t management
  *****************************************************************************
  * Copyright (C) 1999-2002 VideoLAN
- * $Id: input_programs.c,v 1.112 2003/05/15 23:05:59 gbazin Exp $
+ * $Id: input_programs.c,v 1.113 2003/05/17 22:00:00 gbazin Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
@@ -97,22 +97,10 @@ int input_InitStream( input_thread_t * p_input, size_t i_data_len )
     var_Create( p_input, "title", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
     text.psz_string = _("Title");
     var_Change( p_input, "title", VLC_VAR_SETTEXT, &text, NULL );
-    var_Create( p_input, "next-title", VLC_VAR_VOID );
-    text.psz_string = _("Next title");
-    var_Change( p_input, "next-title", VLC_VAR_SETTEXT, &text, NULL );
-    var_Create( p_input, "prev-title", VLC_VAR_VOID );
-    text.psz_string = _("Previous title");
-    var_Change( p_input, "prev-title", VLC_VAR_SETTEXT, &text, NULL );
 
     var_Create( p_input, "chapter", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
     text.psz_string = _("Chapter");
     var_Change( p_input, "chapter", VLC_VAR_SETTEXT, &text, NULL );
-    var_Create( p_input, "next-chapter", VLC_VAR_VOID );
-    text.psz_string = _("Next Chapter");
-    var_Change( p_input, "next-chapter", VLC_VAR_SETTEXT, &text, NULL );
-    var_Create( p_input, "prev-chapter", VLC_VAR_VOID );
-    text.psz_string = _("Previous Chapter");
-    var_Change( p_input, "prev-chapter", VLC_VAR_SETTEXT, &text, NULL );
 
     var_Create( p_input, "navigation", VLC_VAR_VARIABLE | VLC_VAR_HASCHOICE );
     text.psz_string = _("Navigation");
@@ -130,11 +118,7 @@ int input_InitStream( input_thread_t * p_input, size_t i_data_len )
 
     var_AddCallback( p_input, "program", ProgramCallback, NULL );
     var_AddCallback( p_input, "title", TitleCallback, NULL );
-    var_AddCallback( p_input, "next-title", TitleCallback, NULL );
-    var_AddCallback( p_input, "prev-title", TitleCallback, NULL );
     var_AddCallback( p_input, "chapter", ChapterCallback, NULL );
-    var_AddCallback( p_input, "next-chapter", ChapterCallback, NULL );
-    var_AddCallback( p_input, "prev-chapter", ChapterCallback, NULL );
     var_AddCallback( p_input, "video-es", ESCallback, NULL );
     var_AddCallback( p_input, "audio-es", ESCallback, NULL );
     var_AddCallback( p_input, "spu-es", ESCallback, NULL );
@@ -389,6 +373,30 @@ input_area_t * input_AddArea( input_thread_t * p_input,
         if( text2.psz_string ) free( text2.psz_string );
     }
 
+    if( p_input->stream.i_area_nb == 2 )
+    {
+        vlc_value_t text;
+
+        /* Add another bunch of navigation object variables */
+        var_Create( p_input, "next-title", VLC_VAR_VOID );
+        text.psz_string = _("Next title");
+        var_Change( p_input, "next-title", VLC_VAR_SETTEXT, &text, NULL );
+        var_Create( p_input, "prev-title", VLC_VAR_VOID );
+        text.psz_string = _("Previous title");
+        var_Change( p_input, "prev-title", VLC_VAR_SETTEXT, &text, NULL );
+        var_AddCallback( p_input, "next-title", TitleCallback, NULL );
+        var_AddCallback( p_input, "prev-title", TitleCallback, NULL );
+
+        var_Create( p_input, "next-chapter", VLC_VAR_VOID );
+        text.psz_string = _("Next Chapter");
+        var_Change( p_input, "next-chapter", VLC_VAR_SETTEXT, &text, NULL );
+        var_Create( p_input, "prev-chapter", VLC_VAR_VOID );
+        text.psz_string = _("Previous Chapter");
+        var_Change( p_input, "prev-chapter", VLC_VAR_SETTEXT, &text, NULL );
+        var_AddCallback( p_input, "next-chapter", ChapterCallback, NULL );
+        var_AddCallback( p_input, "prev-chapter", ChapterCallback, NULL );
+    }
+
     return p_area;
 }
 
@@ -536,6 +544,15 @@ void input_DelArea( input_thread_t * p_input, input_area_t * p_area )
 
     /* Free the description of this area */
     free( p_area );
+
+    if( p_input->stream.i_area_nb == 1 )
+    {
+        /* Del unneeded navigation object variables */
+        var_Destroy( p_input, "next-title" );
+        var_Destroy( p_input, "prev-title" );
+        var_Destroy( p_input, "next-chapter" );
+        var_Destroy( p_input, "prev-chapter" );
+    }
 }