Disallow the modification of teletext properties when the tv demuxer is

not active.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27840 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 2 insertions, 0 deletions

diff --git a/command.c b/command.c
index 0ed2b759bb..25b9231b1b 100644
--- a/command.c
+++ b/command.c
@@ -1949,6 +1949,8 @@ static int mp_property_teletext_page(m_option_t * prop, int action, void *arg,
     tvi_handle_t *tvh = mpctx->demuxer->priv;
     int result;
     int val;
+    if (mpctx->demuxer->type != DEMUXER_TYPE_TV || !tvh)
+        return M_PROPERTY_UNAVAILABLE;
     switch(action){
     case M_PROPERTY_STEP_UP:
     case M_PROPERTY_STEP_DOWN: