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authorAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2019-09-23 23:23:10 +0200
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-03-28 17:50:17 +0200
commita42c47b77feda837a966aa96569ed8a2553b1c36 (patch)
treeaa3b63e130f3402cb09062a08b6a90660b2d03dd /libavformat/webmdashenc.c
parente44214a8242bc12fa2c86fcc8b0abd2053f1c8f9 (diff)
downloadffmpeg-a42c47b77feda837a966aa96569ed8a2553b1c36.tar.gz
avformat/webmdashenc: Don't pass NULL to memcmp
Affects the FATE-tests webm-dash-manifest-unaligned-video-streams, webm-dash-manifest and webm-dash-manifest-representations. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavformat/webmdashenc.c')
-rw-r--r--libavformat/webmdashenc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/webmdashenc.c b/libavformat/webmdashenc.c
index 332d0466e1..1304c1a8c3 100644
--- a/libavformat/webmdashenc.c
+++ b/libavformat/webmdashenc.c
@@ -155,7 +155,8 @@ static int bitstream_switching(AVFormatContext *s, const AdaptationSet *as)
!av_strstart(track_num->value, gold_track_num->value, NULL) ||
gold_par->codec_id != par->codec_id ||
gold_par->extradata_size != par->extradata_size ||
- memcmp(gold_par->extradata, par->extradata, par->extradata_size)) {
+ (par->extradata_size > 0 &&
+ memcmp(gold_par->extradata, par->extradata, par->extradata_size))) {
return 0;
}
}