* Added a session announcement protol module (enabled by default).

* Added the PLAYLIST_CHECK_INSERT option to the playlist. That option
checks previously enqueued sessions before enqueing.

configure.ac.in

@@ -625,7 +625,7 @@ PLUGINS="${PLUGINS} wav araw demuxdump demuxsub"
 dnl
 dnl  Network modules
 dnl
-NETWORK_MODULES="access_udp access_http access_rtp ipv4 access_mms"
+NETWORK_MODULES="access_udp access_http access_rtp ipv4 access_mms sap"
 
 dnl
 dnl  Accelerated modules

include/vlc/vlc.h

@@ -2,7 +2,7 @@
  * vlc.h: global header for vlc
  *****************************************************************************
  * Copyright (C) 1998, 1999, 2000 VideoLAN
- * $Id: vlc.h,v 1.17 2002/10/17 13:15:30 sam Exp $
+ * $Id: vlc.h,v 1.18 2002/12/03 16:29:04 gitan Exp $
  *
  * 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
@@ -78,6 +78,7 @@ typedef union
 #define PLAYLIST_REPLACE         0x0002
 #define PLAYLIST_APPEND          0x0004
 #define PLAYLIST_GO              0x0008
+#define PLAYLIST_CHECK_INSERT    0x0010
 
 #define PLAYLIST_END           -666
 

modules/misc/Modules.am

 SOURCES_gtk_main = modules/misc/gtk_main.c
 SOURCES_gnome_main = modules/misc/gtk_main.c
+SOURCES_sap = modules/misc/sap.c

src/libvlc.c

@@ -2,7 +2,7 @@
  * libvlc.c: main libvlc source
  *****************************************************************************
  * Copyright (C) 1998-2002 VideoLAN
- * $Id: libvlc.c,v 1.48 2002/11/28 17:35:00 sam Exp $
+ * $Id: libvlc.c,v 1.49 2002/12/03 16:29:04 gitan Exp $
  *
  * Authors: Vincent Seguin <seguin@via.ecp.fr>
  *          Samuel Hocevar <sam@zoy.org>
@@ -756,6 +756,14 @@ int VLC_Play( int i_object )
         return VLC_ENOOBJ;
     }
     
+    /* add pseudo sap interface; non blocking */
+    if( config_GetInt( p_vlc, "sap" ) )
+    {
+        msg_Dbg( p_vlc, "adding sap interface" );
+        VLC_AddIntf( 0, "sap", VLC_FALSE );
+    }
+
+    
     p_playlist = vlc_object_find( p_vlc, VLC_OBJECT_PLAYLIST, FIND_CHILD );
 
     if( !p_playlist )

src/libvlc.h

@@ -2,7 +2,7 @@
  * libvlc.h: main libvlc header
  *****************************************************************************
  * Copyright (C) 1998-2002 VideoLAN
- * $Id: libvlc.h,v 1.24 2002/12/03 12:59:21 sam Exp $
+ * $Id: libvlc.h,v 1.25 2002/12/03 16:29:04 gitan Exp $
  *
  * Authors: Vincent Seguin <seguin@via.ecp.fr>
  *          Samuel Hocevar <sam@zoy.org>
@@ -358,6 +358,10 @@
     "\n  vlc:quit                       quit VLC" \
     "\n")
 
+#define SAP_TEXT N_( "Session Announcement Protocol support" )
+#define SAP_LONGTEXT N_( "Session Announcement Protocol support" )
+
+
 /*
  * Quick usage guide for the configuration options:
  *
@@ -475,6 +479,7 @@ vlc_module_begin();
 
     /* Misc options */
     add_category_hint( N_("Miscellaneous"), NULL );
+    add_bool( "sap", 1, NULL, SAP_TEXT, SAP_LONGTEXT );
     add_module( "memcpy", "memcpy", NULL, NULL, MEMCPY_TEXT, MEMCPY_LONGTEXT );
     add_module( "access", "access", NULL, NULL, ACCESS_TEXT, ACCESS_LONGTEXT );
     add_module( "demux", "demux", NULL, NULL, DEMUX_TEXT, DEMUX_LONGTEXT );

src/playlist/playlist.c

@@ -2,7 +2,7 @@
  * playlist.c : Playlist management functions
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: playlist.c,v 1.23 2002/11/21 15:51:57 gbazin Exp $
+ * $Id: playlist.c,v 1.24 2002/12/03 16:29:04 gitan Exp $
  *
  * Authors: Samuel Hocevar <sam@zoy.org>
  *
@@ -105,6 +105,35 @@ int playlist_Add( playlist_t *p_playlist, const char * psz_target,
 {
     playlist_item_t *p_item;
 
+
+    vlc_mutex_lock( &p_playlist->object_lock );
+
+    /*
+     * CHECK_INSERT : checks if the item is already enqued before 
+     * enqueing it
+     */
+    if ( i_mode & PLAYLIST_CHECK_INSERT )
+    {
+         int j;
+       
+         if ( p_playlist->pp_items )
+         {
+             for ( j = 0; j < p_playlist->i_size; j++ )
+             {
+                 if ( !strcmp( p_playlist->pp_items[j]->psz_name, psz_target ) )
+                 {
+                      msg_Dbg( p_playlist, "item  %s  already enqued", 
+                                        psz_target );
+                      vlc_mutex_unlock( &p_playlist->object_lock );
+                      return 0;   
+                 }
+             }
+         }
+         i_mode &= ~PLAYLIST_CHECK_INSERT;
+         i_mode |= PLAYLIST_APPEND;
+    }
+
+    
     msg_Dbg( p_playlist, "adding playlist item  %s ", psz_target );
     
     /* Create the new playlist item */
@@ -119,7 +148,6 @@ int playlist_Add( playlist_t *p_playlist, const char * psz_target,
     p_item->i_status = 0;
     p_item->b_autodeletion = VLC_FALSE;
 
-    vlc_mutex_lock( &p_playlist->object_lock );
 
     /* Do a few boundary checks and allocate space for the item */
     if( i_pos == PLAYLIST_END )