* convert SAP announce name & group from locale to UTF-8

* fix bug in previous SAP commit

include/stream_output.h

@@ -322,6 +322,9 @@ struct sap_handler_t
 
     int (*pf_add)  ( sap_handler_t*, session_descriptor_t *,announce_method_t*);
     int (*pf_del)  ( sap_handler_t*, session_descriptor_t *);
+
+    /* private data, not in p_sys as there is one kind of sap_handler_t */
+    vlc_iconv_t iconvHandle;
 };
 
 /* The main announce handler object */

modules/services_discovery/sap.c

@@ -274,7 +274,7 @@ static int Open( vlc_object_t *p_this )
     p_sys->i_timeout = config_GetInt( p_sd,"sap-timeout" );
 
     vlc_current_charset( &psz_charset );
-    p_sys->iconvHandle = vlc_iconv_open( psz_charset, "UTF-8");
+    p_sys->iconvHandle = vlc_iconv_open( psz_charset, "UTF-8" );
     free( psz_charset );
     if( p_sys->iconvHandle == (vlc_iconv_t)(-1) )
     {
@@ -812,9 +812,13 @@ sap_announce_t *CreateAnnounce( services_discovery_t *p_sd, uint16_t i_hash,
     char                *psz_value;
     sap_announce_t *p_sap = (sap_announce_t *)malloc(
                                         sizeof(sap_announce_t ) );
-    if( !p_sap )
+
+    psz_value = convert_from_utf8( p_sd, p_sdp->psz_sessionname );
+    if( p_sap == NULL || psz_value == NULL )
     {
         msg_Err( p_sd, "out of memory");
+        FREE( p_sap );
+        FREE( psz_value );
         p_sd->b_die = VLC_TRUE;
         return NULL;
     }
@@ -824,9 +828,8 @@ sap_announce_t *CreateAnnounce( services_discovery_t *p_sd, uint16_t i_hash,
     p_sap->p_item = NULL;
 
     /* Create the playlist item here */
-    psz_value = convert_from_utf8( p_sd, p_sap->p_sdp->psz_sessionname );
     p_item = playlist_ItemNew( p_sd, p_sap->p_sdp->psz_uri, psz_value );
-    FREE( psz_value );
+    free( psz_value );
 
     if( !p_item )
     {
@@ -853,18 +856,26 @@ sap_announce_t *CreateAnnounce( services_discovery_t *p_sd, uint16_t i_hash,
     if( psz_value != NULL )
     {
         char *psz_grp = convert_from_utf8( p_sd, psz_value );
-        free( psz_value );
 
-        p_child = playlist_ChildSearchName( p_sd->p_sys->p_node, psz_grp );
+        if( psz_grp != NULL )
+        {
+            p_child = playlist_ChildSearchName( p_sd->p_sys->p_node,
+                                                psz_grp );
 
             if( p_child == NULL )
-        {
                 p_child = playlist_NodeCreate( p_playlist, VIEW_CATEGORY,
                                                psz_grp, p_sd->p_sys->p_node );
-        }
             free( psz_grp );
         }
         else
+        {
+            vlc_object_release( p_playlist );
+            msg_Err( p_sd, "out of memory");
+            free( p_sap );
+            return NULL;
+        }
+    }
+    else
     {
         p_child = p_sd->p_sys->p_node;
     }

src/stream_output/sap.c

@@ -32,6 +32,7 @@
 #include <vlc/sout.h>
 
 #include <network.h>
+#include "charset.h"
 
 #define SAP_IPV4_ADDR "224.2.127.254" /* Standard port and address for SAP */
 #define SAP_PORT 9875
@@ -62,6 +63,7 @@ static int announce_SAPAnnounceAdd( sap_handler_t *p_sap,
 
 static int announce_SAPAnnounceDel( sap_handler_t *p_sap,
                              session_descriptor_t *p_session );
+static char *convert_to_utf8( struct sap_handler_t *p_this, char *psz_local );
 
 #define FREE( p ) if( p ) { free( p ); (p) = NULL; }
 
@@ -75,6 +77,7 @@ static int announce_SAPAnnounceDel( sap_handler_t *p_sap,
 sap_handler_t *announce_SAPHandlerCreate( announce_handler_t *p_announce )
 {
     sap_handler_t *p_sap;
+    char *psz_charset;
 
     p_sap = vlc_object_create( p_announce, sizeof( sap_handler_t ) );
 
@@ -86,6 +89,14 @@ sap_handler_t *announce_SAPHandlerCreate( announce_handler_t *p_announce )
 
     vlc_mutex_init( p_sap, &p_sap->object_lock );
 
+    vlc_current_charset( &psz_charset );
+    p_sap->iconvHandle = vlc_iconv_open( "UTF-8", psz_charset );
+    free( psz_charset );
+    if( p_sap->iconvHandle == (vlc_iconv_t)(-1) )
+    {
+        msg_Warn( p_sap, "Unable to do requested conversion" );
+    }
+
     p_sap->pf_add = announce_SAPAnnounceAdd;
     p_sap->pf_del = announce_SAPAnnounceDel;
 
@@ -144,6 +155,9 @@ void announce_SAPHandlerDestroy( sap_handler_t *p_sap )
         FREE( p_address );
     }
 
+    if( p_sap->iconvHandle != (vlc_iconv_t)(-1) )
+        vlc_iconv_close( p_sap->iconvHandle );
+
     /* Free the structure */
     vlc_object_destroy( p_sap );
 }
@@ -478,6 +492,10 @@ static int SDPGenerate( sap_handler_t *p_sap, session_descriptor_t *p_session )
 {
     int64_t i_sdp_id = mdate();
     int     i_sdp_version = 1 + p_sap->i_sessions + (rand()&0xfff);
+    char *psz_group, *psz_name;
+
+    psz_group = convert_to_utf8( p_sap, p_session->psz_group );
+    psz_name = convert_to_utf8( p_sap, p_session->psz_name );
 
     /* see the lists in modules/stream_out/rtp.c for compliance stuff */
     p_session->psz_sdp = (char *)malloc(
@@ -489,14 +507,15 @@ static int SDPGenerate( sap_handler_t *p_sap, session_descriptor_t *p_session )
                                    "m=video  udp\r\n"
                                    "a=tool:"PACKAGE_STRING"\r\n"
                                    "a=type:broadcast\r\n")
-                           + strlen( p_session->psz_name )
+                           + strlen( psz_name )
                            + strlen( p_session->psz_uri ) + 300
-                           + ( p_session->psz_group ?
-                                 strlen( p_session->psz_group ) : 0 ) );
+                           + ( psz_group ? strlen( psz_group ) : 0 ) );
 
-    if( !p_session->psz_sdp )
+    if( p_session->psz_sdp == NULL || psz_name == NULL )
     {
         msg_Err( p_sap, "out of memory" );
+        FREE( psz_name );
+        FREE( psz_group );
         return VLC_ENOMEM;
     }
     sprintf( p_session->psz_sdp,
@@ -509,15 +528,16 @@ static int SDPGenerate( sap_handler_t *p_sap, session_descriptor_t *p_session )
                             "a=tool:"PACKAGE_STRING"\r\n"
                             "a=type:broadcast\r\n",
                             i_sdp_id, i_sdp_version,
-                            p_session->psz_name,
+                            psz_name,
                             p_session->psz_uri, p_session->i_ttl,
                             p_session->i_port, p_session->i_payload );
+    free( psz_name );
 
-    if( p_session->psz_group )
+    if( psz_group )
     {
         sprintf( p_session->psz_sdp, "%sa=x-plgroup:%s\r\n",
-                                     p_session->psz_sdp,
-                                     p_session->psz_group );
+                                     p_session->psz_sdp, psz_group );
+        free( psz_group );
     }
 
     msg_Dbg( p_sap, "Generated SDP (%i bytes):\n%s", strlen(p_session->psz_sdp),
@@ -582,3 +602,34 @@ static int CalculateRate( sap_handler_t *p_sap, sap_address_t *p_address )
 
     return VLC_SUCCESS;
 }
+
+
+static char *convert_to_utf8( struct sap_handler_t *p_this, char *psz_local )
+{
+    char *psz_unicode, *psz_in, *psz_out;
+    size_t ret, i_in, i_out;
+
+    if( psz_local == NULL )
+        return NULL;
+    if ( p_this->iconvHandle == (vlc_iconv_t)(-1) )
+        return strdup( psz_local );
+
+    psz_in = psz_local;
+    i_in = strlen( psz_local );
+
+    i_out = 6 * i_in;
+    psz_unicode = malloc( i_out + 1 );
+    if( psz_unicode == NULL )
+        return strdup( psz_local );
+    psz_out = psz_unicode;
+
+    ret = vlc_iconv( p_this->iconvHandle,
+                     &psz_in, &i_in, &psz_out, &i_out);
+    if( ret == (size_t)(-1) || i_in )
+    {
+        msg_Warn( p_this, "Failed to convert \"%s\" to UTF-8", psz_local );
+        return strdup( psz_local );
+    }
+    *psz_out = '\0';
+    return psz_unicode;
+}