Disallow subtitles without video

Make sure no subtitle stream can be selected when no video stream
exists. The code doesn't handle subtitles without video properly and
it was possible to trigger crashes in some cases.

1 files changed, 2 insertions, 2 deletions

diff --git a/command.c b/command.c
index 2a51b244c7..88f0a663dd 100644
--- a/command.c
+++ b/command.c
@@ -1360,8 +1360,8 @@ static int mp_property_sub(m_option_t *prop, int action, void *arg,
     int source = -1, reset_spu = 0;
     char *sub_name;
 
-    if (global_sub_size <= 0)
-	return M_PROPERTY_UNAVAILABLE;
+    if (!mpctx->sh_video || global_sub_size <= 0)
+        return M_PROPERTY_UNAVAILABLE;
 
     switch (action) {
     case M_PROPERTY_GET: