X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Frtp.h;h=feaf16796570e7011fbb6d69439aacb8a8e55d90;hb=f890677d05bc4e8b494a73373ab4cc19791bf884;hp=f8d406ea8889b88c8c5138b6499db7484a4b675b;hpb=8034130e06b03859af9ce64f7ee653cd14df328d;p=ffmpeg

diff --git a/libavformat/rtp.h b/libavformat/rtp.h
index f8d406ea888..feaf1679657 100644
--- a/libavformat/rtp.h
+++ b/libavformat/rtp.h
@@ -23,6 +23,7 @@
 
 #include "libavformat/avformat.h"
 #include "libavcodec/avcodec.h"
+#include "libavutil/mathematics.h"
 
 /**
  * Return the payload type for a given stream used in the given format context.
@@ -109,4 +110,6 @@ enum RTCPType {
 #define RTP_PT_IS_RTCP(x) (((x) >= RTCP_FIR && (x) <= RTCP_IJ) || \
                            ((x) >= RTCP_SR  && (x) <= RTCP_TOKEN))
 
+#define NTP_TO_RTP_FORMAT(x) av_rescale((x), INT64_C(1) << 32, 1000000)
+
 #endif /* AVFORMAT_RTP_H */