visual: remove depreciated vlc_object_alive

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/visualization/visual/visual.c

@@ -198,6 +198,7 @@ static int Open( vlc_object_t *p_this )
     if( (p_sys->i_height % 2 ) != 0 ) p_sys->i_height--;
     if( (p_sys->i_width % 2 )  != 0 ) p_sys->i_width--;
 
+    p_sys->b_close = false;
     p_sys->i_effect = 0;
     p_sys->effect   = NULL;
 
@@ -323,13 +324,13 @@ static block_t *DoWork( filter_t *p_filter, block_t *p_in_buf )
     picture_t *p_outpic;
 
     /* First, get a new picture */
-    while( ( p_outpic = vout_GetPicture( p_sys->p_vout ) ) == NULL)
-    {   /* XXX: This looks like a bad idea. Don't run to me for sympathy if it
-         * dead locks... */
-        if( !vlc_object_alive (p_sys->p_vout) )
+    do
+    {
+        if( p_sys->b_close )
             return NULL;
         msleep( VOUT_OUTMEM_SLEEP );
     }
+    while( ( p_outpic = vout_GetPicture( p_sys->p_vout ) ) == NULL);
 
     /* Blank the picture */
     for( int i = 0 ; i < p_outpic->i_planes ; i++ )
@@ -364,6 +365,8 @@ static void Close( vlc_object_t *p_this )
     filter_t * p_filter = (filter_t *)p_this;
     filter_sys_t *p_sys = p_filter->p_sys;
 
+    p_sys->b_close = true;
+
     if( p_filter->p_sys->p_vout )
     {
         aout_filter_RequestVout( p_filter, p_filter->p_sys->p_vout, 0 );

modules/visualization/visual/visual.h

@@ -63,7 +63,8 @@ typedef struct
  *****************************************************************************/
 struct filter_sys_t
 {
-    vout_thread_t   *p_vout;
+    vout_thread_t*  p_vout;
+    bool            b_close;
 
     int             i_width;
     int             i_height;