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authorMichael Niedermayer <michael@niedermayer.cc>2018-07-28 15:03:50 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2018-08-04 16:17:01 +0200
commit6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10 (patch)
tree6cc5ea773cb22a05ce4c01582554c22f793de38a /libavformat/flvenc.c
parent476fd6ba3a7d74ed8be9af10cb9f4d4b3fdaf3e1 (diff)
avformat/flvenc: Check audio packet size
Fixes: Assertion failure Fixes: assert_flvenc.c:941_1.swf Found-by: #CHEN HONGXU# <HCHEN017@e.ntu.edu.sg> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/flvenc.c')
-rw-r--r--libavformat/flvenc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c
index 1c552a3e6b..e4863f1fc7 100644
--- a/libavformat/flvenc.c
+++ b/libavformat/flvenc.c
@@ -883,6 +883,11 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
int flags = -1, flags_size, ret;
int64_t cur_offset = avio_tell(pb);
+ if (par->codec_type == AVMEDIA_TYPE_AUDIO && !pkt->size) {
+ av_log(s, AV_LOG_WARNING, "Empty audio Packet\n");
+ return AVERROR(EINVAL);
+ }
+
if (par->codec_id == AV_CODEC_ID_VP6F || par->codec_id == AV_CODEC_ID_VP6A ||
par->codec_id == AV_CODEC_ID_VP6 || par->codec_id == AV_CODEC_ID_AAC)
flags_size = 2;