From 328b95101971e407d9db031e1d6186ada0bd5a6e Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Tue, 10 Sep 2013 15:39:05 +0200
Subject: command: make title property unavailable if there's no support

Instead of returning 0 if the stream doesn't have title info, make the
property unavailable.
---
 mpvcore/command.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mpvcore/command.c b/mpvcore/command.c
index d986ae1a64..a5f66aae2b 100644
--- a/mpvcore/command.c
+++ b/mpvcore/command.c
@@ -559,10 +559,10 @@ static int mp_property_titles(m_option_t *prop, int action, void *arg,
                               MPContext *mpctx)
 {
     struct demuxer *demuxer = mpctx->master_demuxer;
-    if (!demuxer)
+    unsigned int num_titles;
+    if (!demuxer || stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_TITLES,
+                                   &num_titles) < 1)
         return M_PROPERTY_UNAVAILABLE;
-    int num_titles = 0;
-    stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_TITLES, &num_titles);
     return m_property_int_ro(prop, action, arg, num_titles);
 }
 
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