From 65ad2c618ffa83dd589f7d02d2ea9853aa477849 Mon Sep 17 00:00:00 2001
From: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Date: Sun, 27 Feb 2011 16:29:21 -0800
Subject: [PATCH] In mov muxer, fix adpcm mono muxing, patch by Alex Converse

---
 libavformat/movenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index de16b5b190..7179e7a828 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -91,6 +91,7 @@ static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
     }
     if (equalChunks) {
         int sSize = track->cluster[0].size/track->cluster[0].entries;
+        sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
         avio_wb32(pb, sSize); // sample size
         avio_wb32(pb, entries); // sample count
     }
-- 
2.11.0