From 8dee6f815f2b8f8fdfa9006381832b3cf71b33dc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Tue, 28 Feb 2017 15:47:23 +0200
Subject: [PATCH] avidemux: Don't increment -1 / unset indices

CID 1398545
---
 gst/avi/gstavidemux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gst/avi/gstavidemux.c b/gst/avi/gstavidemux.c
index 3e21dbd5d8..837dbb5e97 100644
--- a/gst/avi/gstavidemux.c
+++ b/gst/avi/gstavidemux.c
@@ -2646,7 +2646,7 @@ gst_avi_demux_index_for_time (GstAviDemux * avi,
       index = avi_stream_convert_time_to_frames_unchecked (stream, time);
       /* this entry typically undershoots the target time,
        * so check a bit more if next needed */
-      if (next) {
+      if (next && index != -1) {
         GstClockTime itime =
             avi_stream_convert_frames_to_time_unchecked (stream, index);
         if (itime < time && index + 1 < stream->idx_n)