Fixed and simplify --monitor-par support.

src/video_output/video_output.c

@@ -118,8 +118,6 @@ static vout_thread_t *VoutCreate(vlc_object_t *object,
     vout_control_PushVoid(&vout->p->control, VOUT_CONTROL_INIT);
 
     vout_statistic_Init(&vout->p->statistic);
-    vout->p->i_par_num =
-    vout->p->i_par_den = 1;
 
     vout_snapshot_Init(&vout->p->snapshot);
 
@@ -526,8 +524,14 @@ static void VoutGetDisplayCfg(vout_thread_t *vout, vout_display_cfg_t *cfg, cons
     cfg->display.width   = display_width > 0  ? display_width  : 0;
     cfg->display.height  = display_height > 0 ? display_height : 0;
     cfg->is_display_filled  = var_CreateGetBool(vout, "autoscale");
-    cfg->display.sar.num = 1; /* TODO monitor AR */
-    cfg->display.sar.den = 1;
+    unsigned msar_num, msar_den;
+    if (var_InheritURational(vout, &msar_num, &msar_den, "monitor-par") ||
+        msar_num <= 0 || msar_den <= 0) {
+        msar_num = 1;
+        msar_den = 1;
+    }
+    cfg->display.sar.num = msar_num;
+    cfg->display.sar.den = msar_den;
     unsigned zoom_den = 1000;
     unsigned zoom_num = zoom_den * var_CreateGetFloat(vout, "scale");
     vlc_ureduce(&zoom_num, &zoom_den, zoom_num, zoom_den, 0);

src/video_output/vout_internal.h

@@ -71,10 +71,6 @@ struct vout_thread_sys_t
     vlc_mutex_t     spu_lock;
     spu_t           *p_spu;
 
-    /* Monitor Pixel Aspect Ratio */
-    unsigned int    i_par_num;
-    unsigned int    i_par_den;
-
     /* Video output window */
     struct {
         bool              is_unused;

src/video_output/vout_intf.c

@@ -153,7 +153,6 @@ static void AddCustomRatios( vout_thread_t *p_vout, const char *psz_var,
 void vout_IntfInit( vout_thread_t *p_vout )
 {
     vlc_value_t val, text, old_val;
-    bool b_force_par = false;
     char *psz_buf;
     int i;
 
@@ -250,35 +249,6 @@ void vout_IntfInit( vout_thread_t *p_vout )
     /* Monitor pixel aspect-ratio */
     var_Create( p_vout, "monitor-par", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
     var_Get( p_vout, "monitor-par", &val );
-    if( val.psz_string && *val.psz_string )
-    {
-        char *psz_parser = strchr( val.psz_string, ':' );
-        unsigned int i_aspect_num = 0, i_aspect_den = 0;
-        float i_aspect = 0;
-        if( psz_parser )
-        {
-            i_aspect_num = strtol( val.psz_string, 0, 10 );
-            i_aspect_den = strtol( ++psz_parser, 0, 10 );
-        }
-        else
-        {
-            i_aspect = us_atof( val.psz_string );
-            vlc_ureduce( &i_aspect_num, &i_aspect_den,
-                         i_aspect *VOUT_ASPECT_FACTOR, VOUT_ASPECT_FACTOR, 0 );
-        }
-        if( !i_aspect_num || !i_aspect_den ) i_aspect_num = i_aspect_den = 1;
-
-        p_vout->p->i_par_num = i_aspect_num;
-        p_vout->p->i_par_den = i_aspect_den;
-
-        vlc_ureduce( &p_vout->p->i_par_num, &p_vout->p->i_par_den,
-                     p_vout->p->i_par_num, p_vout->p->i_par_den, 0 );
-
-        msg_Dbg( p_vout, "overriding monitor pixel aspect-ratio: %i:%i",
-                 p_vout->p->i_par_num, p_vout->p->i_par_den );
-        b_force_par = true;
-    }
-    free( val.psz_string );
 
     /* Aspect-ratio object var */
     var_Create( p_vout, "aspect-ratio", VLC_VAR_STRING | VLC_VAR_ISCOMMAND |
@@ -307,7 +277,7 @@ void vout_IntfInit( vout_thread_t *p_vout )
 
     var_AddCallback( p_vout, "aspect-ratio", AspectCallback, NULL );
     var_Get( p_vout, "aspect-ratio", &old_val );
-    if( (old_val.psz_string && *old_val.psz_string) || b_force_par )
+    if( (old_val.psz_string && *old_val.psz_string) )
         var_TriggerCallback( p_vout, "aspect-ratio" );
     free( old_val.psz_string );