Fixes: Assertion failure
Fixes: assert_flvenc.c:941_1.swf
Found-by: #CHEN HONGXU# <hchen...@e.ntu.edu.sg>
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/flvenc.c | 5 +++++
1 file changed, 5 insertions(+)
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;
--
2.18.0
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