Make sure the teletext property stuff does not crash if no demuxer is available.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29862 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 1 insertions, 1 deletions

diff --git a/command.c b/command.c
index 508b6f546f..bfdfe31bd4 100644
--- a/command.c
+++ b/command.c
@@ -1888,7 +1888,7 @@ static int mp_property_teletext_common(m_option_t * prop, int action, void *arg,
       SET is GET+1
       STEP is GET+2
     */
-    if (!mpctx->demuxer->teletext)
+    if (!mpctx->demuxer || !mpctx->demuxer->teletext)
         return M_PROPERTY_UNAVAILABLE;
     if(!base_ioctl)
         return M_PROPERTY_ERROR;