Fix compilation with --disable-everything --enable-outdev=alsa.

[ffmpeg] / libavfilter / vf_pad.c

diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c
index 879a0b5fe8659c7c7b17e946671c6aadd1fa570b..c4edc23cc5e85a29ccca049c665febbed4d0ff6a 100644 (file)
--- a/libavfilter/vf_pad.c
+++ b/libavfilter/vf_pad.c
@@ -45,8 +45,9 @@ static const char *var_names[] = {
     "out_h",  "oh",
     "x",
     "y",
-    "a", "dar",
+    "a",
     "sar",
+    "dar",
     "hsub",
     "vsub",
     NULL
@@ -62,8 +63,9 @@ enum var_name {
     VAR_OUT_H,  VAR_OH,
     VAR_X,
     VAR_Y,
-    VAR_A, VAR_DAR,
+    VAR_A,
     VAR_SAR,
+    VAR_DAR,
     VAR_HSUB,
     VAR_VSUB,
     VARS_NB
@@ -158,11 +160,12 @@ static int config_input(AVFilterLink *inlink)
     var_values[VAR_IN_H]  = var_values[VAR_IH] = inlink->h;
     var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
     var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
-    var_values[VAR_DAR]   = var_values[VAR_A] = (float) inlink->w / inlink->h;
+    var_values[VAR_A]     = (float) inlink->w / inlink->h;
     var_values[VAR_SAR]   = inlink->sample_aspect_ratio.num ?
         (float) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
+    var_values[VAR_DAR]   = var_values[VAR_A] * var_values[VAR_SAR];
     var_values[VAR_HSUB]  = 1<<pad->hsub;
-    var_values[VAR_VSUB]  = 2<<pad->vsub;
+    var_values[VAR_VSUB]  = 1<<pad->vsub;
 
     /* evaluate width and height */
     av_expr_parse_and_eval(&res, (expr = pad->w_expr),