The later parsing of payload data depends on the configuration
being present. If it hasn't been configured properly yet,
parsing a data packet may lead to a crash.
---
libavformat/rtpdec_qdm2.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/libavformat/rtpdec_qdm2.c b/libavformat/rtpdec_qdm2.c
index 7f5f077..66dd874 100644
--- a/libavformat/rtpdec_qdm2.c
+++ b/libavformat/rtpdec_qdm2.c
@@ -266,6 +266,8 @@ static int qdm2_parse_packet(AVFormatContext *s,
PayloadContext *qdm,
* to the decoder that it is OK to initialize. */
st->codec->codec_id = CODEC_ID_QDM2;
}
+ if (st->codec->codec_id == CODEC_ID_NONE)
+ return AVERROR(EAGAIN);
/* subpackets */
while (end - p >= 4) {
--
1.7.3.1
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