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-rw-r--r--libavformat/rtp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/rtp.c b/libavformat/rtp.c
index 651220692c..38b2348d45 100644
--- a/libavformat/rtp.c
+++ b/libavformat/rtp.c
@@ -97,7 +97,7 @@ int ff_rtp_get_payload_type(AVFormatContext *fmt,
AVOutputFormat *ofmt = fmt ? fmt->oformat : NULL;
/* Was the payload type already specified for the RTP muxer? */
- if (ofmt && ofmt->priv_class) {
+ if (ofmt && ofmt->priv_class && fmt->priv_data) {
int64_t payload_type;
if (av_opt_get_int(fmt->priv_data, "payload_type", 0, &payload_type) >= 0 &&
payload_type >= 0)