From b3c67372a522bfc57d783dfe839a07028d0d8e13 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Sun, 13 Nov 2011 02:02:06 +0100
Subject: Force opaque alpha channel for 32bit x11grab image.

Fixes ticket #163.
Approved-by: Clemens Fruhwirth
Approved-by: Edouard Gomez
---
 libavdevice/x11grab.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libavdevice')

diff --git a/libavdevice/x11grab.c b/libavdevice/x11grab.c
index c2a67d7e62..2ecf88c2d5 100644
--- a/libavdevice/x11grab.c
+++ b/libavdevice/x11grab.c
@@ -537,6 +537,8 @@ x11grab_read_packet(AVFormatContext *s1, AVPacket *pkt)
             av_log (s1, AV_LOG_INFO, "XGetZPixmap() failed\n");
         }
     }
+    if (image->bits_per_pixel == 32)
+        XAddPixel(image, 0xFF000000);
 
     if (s->draw_mouse) {
         paint_mouse_pointer(image, s);
-- 
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