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Log information when anchor or master clock changes occur.

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This commit is contained in:
Mike Brady
2021-05-30 12:04:06 +01:00
parent a109b587ec
commit 4b5e9787b7
1 changed files with 9 additions and 9 deletions
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rtp.c
+9 -9
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@@ -290,8 +290,8 @@ void *rtp_control_receiver(void *arg) {
obfp += 2;
};
*obfp = 0;
// get raw timestamp information
// I think that a good way to understand these timestamps is that
// (1) the rtlt below is the timestamp of the frame that should be playing at the
@@ -302,19 +302,19 @@ void *rtp_control_receiver(void *arg) {
// Thus, (3) the latency can be calculated by subtracting the second from the
// first.
// There must be more to it -- there something missing.
// In addition, it seems that if the value of the short represented by the second
// pair of bytes in the packet is 7
// then an extra time lag is expected to be added, presumably by
// the AirPort Express.
// Best guess is that this delay is 11,025 frames.
uint32_t rtlt = nctohl(&packet[4]); // raw timestamp less latency
uint32_t rt = nctohl(&packet[16]); // raw timestamp
uint32_t fl = nctohs(&packet[2]); //
debug(1,"Sync Packet of %d bytes received: \"%s\", flags: %d, timestamps %u and %u,
giving a latency of %d frames.",plen,obf,fl,rt,rtlt,rt-rtlt);
//debug(1,"Monotonic timestamps are: %" PRId64 " and %" PRId64 "
@@ -1257,7 +1257,7 @@ int get_ptp_anchor_local_time_info(rtsp_conn_info *conn, uint32_t *anchorRTP,
conn->last_anchor_time_of_update = get_absolute_time_in_ns();
conn->last_anchor_info_is_valid = 1;
if (conn->anchor_clock_is_new != 0)
debug(2, "Connection %d: New anchor clock %" PRIx64 " recognised.",
debug(1, "Connection %d: New anchor clock %" PRIx64 " recognised.",
conn->connection_number, conn->anchor_clock);
conn->anchor_clock_is_new = 0;
}
@@ -1299,7 +1299,7 @@ int get_ptp_anchor_local_time_info(rtsp_conn_info *conn, uint32_t *anchorRTP,
if ((clock_status_t)response != conn->clock_status) {
switch (response) {
case clock_ok:
debug(2, "Connection %d: NQPTP new master clock %" PRIx64 ".", conn->connection_number,
debug(1, "Connection %d: NQPTP new master clock %" PRIx64 ".", conn->connection_number,
actual_clock_id);
break;
case clock_not_ready: