From b3ab337227ec78ba2de24b1f1972e116257e9ebb Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 1 Apr 2012 21:21:13 +0200
Subject: [PATCH] audiointerleave: check timebase

Replaces FPE by clean error

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/audiointerleave.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/audiointerleave.c b/libavformat/audiointerleave.c
index 922f4a5880..609a5117a3 100644
--- a/libavformat/audiointerleave.c
+++ b/libavformat/audiointerleave.c
@@ -47,6 +47,10 @@ int ff_audio_interleave_init(AVFormatContext *s,
     if (!samples_per_frame)
         return -1;
 
+    if (!time_base.num) {
+        av_log(s, AV_LOG_ERROR, "timebase not set for audio interleave\n");
+        return -1;
+    }
     for (i = 0; i < s->nb_streams; i++) {
         AVStream *st = s->streams[i];
         AudioInterleaveContext *aic = st->priv_data;