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rtp: Don't read priv_data unless it is allocated

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This makes all users of rtpenc_chain (rtsp muxer, sapenc, mov
rtp hinting) work again, broken since 8034130e0.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-12-20 13:53:27 +02:00
parent 1eaff98c83
commit a925f723a9
1 changed files with 1 additions and 1 deletions
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2
libavformat/rtp.c
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@ -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)