mp: remove use of deprecated old eval API

The old API was deprecated and will be possibly removed, fix warnings
in libavfilter/libmpcodecs/vf_geq.c and libavfilter/libmpcodecs/vf_qp.c.
Signed-off-by: Stefano Sabatini <stefano.sabatini-lala@poste.it>

libavfilter/libmpcodecs/vf_geq.c

@@ -116,7 +116,7 @@ static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
             const_values[3]=y;
             for(x=0; x<w; x++){
                 const_values[2]=x;
-                dst[x + y * dst_stride] = av_eval_expr(vf->priv->e[plane],
+                dst[x + y * dst_stride] = av_expr_eval(vf->priv->e[plane],
                                                        const_values, vf);
             }
         }
@@ -176,7 +176,7 @@ static int vf_open(vf_instance_t *vf, char *args){
             plane==0 ? lum : (plane==1 ? cb : cr),
             NULL
         };
-        res = av_parse_expr(&vf->priv->e[plane], eq[plane], const_names, NULL, NULL, func2_names, func2, 0, NULL);
+        res = av_expr_parse(&vf->priv->e[plane], eq[plane], const_names, NULL, NULL, func2_names, func2, 0, NULL);
 
         if (res < 0) {
             mp_msg(MSGT_VFILTER, MSGL_ERR, "geq: error loading equation `%s'\n", eq[plane]);

libavfilter/libmpcodecs/vf_qp.c

@@ -69,7 +69,7 @@ static int config(struct vf_instance *vf,
             double temp_val;
             int res;
 
-            res= av_parse_and_eval_expr(&temp_val, vf->priv->eq, const_names, const_values, NULL, NULL, NULL, NULL, NULL, 0, NULL);
+            res= av_expr_parse_and_eval(&temp_val, vf->priv->eq, const_names, const_values, NULL, NULL, NULL, NULL, NULL, 0, NULL);
 
             if (res < 0){
                 mp_msg(MSGT_VFILTER, MSGL_ERR, "qp: Error evaluating \"%s\" \n", vf->priv->eq);