[gst-cvs] gst-plugins-bad: directdrawsink: Fix crash when exposing in GST_STATE_READY

[<sl...@ke...>]

Module: gst-plugins-bad
Branch: master
Commit: 182dad5c6694cd4bee1fa030d9b968687e21d522
URL:    http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/?id=182dad5c6694cd4bee1fa030d9b968687e21d522

Author: Julien Isorce <jul...@gm...>
Date:   Sun Aug  9 12:25:01 2009 +0200

directdrawsink: Fix crash when exposing in GST_STATE_READY

Fixes bug #541962.

---

 sys/directdraw/gstdirectdrawsink.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/sys/directdraw/gstdirectdrawsink.c b/sys/directdraw/gstdirectdrawsink.c
index 538227d..bb0332f 100644
--- a/sys/directdraw/gstdirectdrawsink.c
+++ b/sys/directdraw/gstdirectdrawsink.c
@@ -961,10 +961,12 @@ gst_directdraw_sink_show_frame (GstBaseSink * bsink, GstBuffer * buf)
 
     /* Write each line respecting the destination surface pitch */
     data = surf_desc.lpSurface;
-    src_pitch = GST_BUFFER_SIZE (buf) / ddrawsink->video_height;
-    for (line = 0; line < surf_desc.dwHeight; line++) {
-      memcpy (data, GST_BUFFER_DATA (buf) + (line * src_pitch), src_pitch);
-      data += surf_desc.lPitch;
+    if (ddrawsink->video_height) {
+      src_pitch = GST_BUFFER_SIZE (buf) / ddrawsink->video_height;
+      for (line = 0; line < surf_desc.dwHeight; line++) {
+        memcpy (data, GST_BUFFER_DATA (buf) + (line * src_pitch), src_pitch);
+        data += surf_desc.lPitch;
+      }
     }
 
     /* Unlock the surface */