[FFmpeg-cvslog] isom: only write the size if its non zero in mov_rewrite_dvd_sub_extradata ()
Michael Niedermayer
git at videolan.org
Mon Mar 31 01:56:23 CEST 2014
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Mar 20 07:05:35 2014 +0000| [96138e8c8da4b9397e627c934a33c22988d1192b] | committer: Vittorio Giovara
isom: only write the size if its non zero in mov_rewrite_dvd_sub_extradata()
Sample-Id: NeroRecodeSample.mp4
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=96138e8c8da4b9397e627c934a33c22988d1192b
---
libavformat/isom.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavformat/isom.c b/libavformat/isom.c
index 3f420e7..cade775 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);
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