input_thread_t *p_input_thread = GetInput( p_input, p_e );
int i_track = 0;
+ if( !p_input_thread )
+ return -1;
+
i_track = var_GetInteger( p_input_thread, "audio-es" );
vlc_object_release( p_input_thread );
int i_ret = -1;
int i;
+ if( !p_input_thread )
+ return;
+
var_Change( p_input_thread, "audio-es", VLC_VAR_GETCHOICES, &val_list, NULL );
for( i = 0; i < val_list.p_list->i_count; i++ )
{