From b6ad5893ce585ac6d0a5a4750cba6bb700dbc902 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 17 Mar 2014 17:08:39 +0100 Subject: [PATCH] avformat/isom: only write the size if its non zero in mov_rewrite_dvd_sub_extradata() Fixes regression with NeroRecodeSample.mp4 Signed-off-by: Michael Niedermayer --- libavformat/isom.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavformat/isom.c b/libavformat/isom.c index d897808391..a38d39701b 100644 --- a/libavformat/isom.c +++ b/libavformat/isom.c @@ -464,8 +464,10 @@ static int mov_rewrite_dvd_sub_extradata(AVStream *st) if (st->codec->extradata_size != 64) return 0; - snprintf(buf, sizeof(buf), "size: %dx%d\npalette: ", - st->codec->width, st->codec->height); + if (st->codec->width > 0 && st->codec->height > 0) + snprintf(buf, sizeof(buf), "size: %dx%d\n", + st->codec->width, st->codec->height); + av_strlcat(buf, "palette: ", sizeof(buf)); for (i = 0; i < 16; i++) { uint32_t yuv = AV_RB32(src + i * 4);