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authorLuca Abeni <lucabe72@email.it>2008-02-20 10:19:35 +0000
committerLuca Abeni <lucabe72@email.it>2008-02-20 10:19:35 +0000
commitd597e1b76cbde5d8ae04dfa4207f5813b3dbf8af (patch)
tree96bcd19c928ad1980b2d41e8b37a76d54eb5f90f /libavformat
parent91acf9a8bcd2372b34657ff4364c26ee876044fd (diff)
downloadffmpeg-d597e1b76cbde5d8ae04dfa4207f5813b3dbf8af.tar.gz
Fix computation of the "NTP time" field in RTCP SR packets, and do not
export times with microsecond precision Originally committed as revision 12158 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat')
-rw-r--r--libavformat/rtpenc.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index 9e62c6571f..19e4f19fe4 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -33,6 +33,13 @@
//#define DEBUG
#define RTCP_SR_SIZE 28
+#define NTP_OFFSET 2208988800ULL
+#define NTP_OFFSET_US (NTP_OFFSET * 1000000ULL)
+
+static uint64_t ntp_time(void)
+{
+ return (av_gettime() / 1000) * 1000 + NTP_OFFSET_US;
+}
static int rtp_write_header(AVFormatContext *s1)
{
@@ -301,8 +308,8 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt)
rtcp_bytes = ((s->octet_count - s->last_octet_count) * RTCP_TX_RATIO_NUM) /
RTCP_TX_RATIO_DEN;
if (s->first_packet || ((rtcp_bytes >= RTCP_SR_SIZE) &&
- (av_gettime() - s->last_rtcp_ntp_time > 5000000))) {
- rtcp_send_sr(s1, av_gettime());
+ (ntp_time() - s->last_rtcp_ntp_time > 5000000))) {
+ rtcp_send_sr(s1, ntp_time());
s->last_octet_count = s->octet_count;
s->first_packet = 0;
}