diff options
| -rw-r--r-- | libavformat/isom.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavformat/isom.c b/libavformat/isom.c index 3f420e70ce..cade775d64 100644 --- a/libavformat/isom.c +++ b/libavformat/isom.c @@ -446,8 +446,10 @@ 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); |