From 2b43dfce3651bc517c66365a30f30b708d6b79af Mon Sep 17 00:00:00 2001
From: Andrey Utkin <andrey.krieger.utkin@gmail.com>
Date: Sun, 5 Feb 2012 00:14:16 +0200
Subject: [PATCH] drawtext: fix text_{w, h} expression vars

Before, {text_,}{w,h} vars hadn't got initialized

Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
 libavfilter/vf_drawtext.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c
index c5a6ffe60f..f6ce1243e6 100644
--- a/libavfilter/vf_drawtext.c
+++ b/libavfilter/vf_drawtext.c
@@ -550,7 +550,9 @@ static int dtext_prepare_text(AVFilterContext *ctx)
     y     = FFMIN(y + text_height, height - 1);
 
     dtext->w = str_w;
+    dtext->var_values[VAR_TEXT_W] = dtext->var_values[VAR_TW] = dtext->w;
     dtext->h = y;
+    dtext->var_values[VAR_TEXT_H] = dtext->var_values[VAR_TH] = dtext->h;
 
     return 0;
 }