diff options
| -rw-r--r-- | res/res_rtp_asterisk.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/res/res_rtp_asterisk.c b/res/res_rtp_asterisk.c index 711c4900e..2fde7a419 100644 --- a/res/res_rtp_asterisk.c +++ b/res/res_rtp_asterisk.c @@ -1212,6 +1212,18 @@ static int ast_rtp_write(struct ast_rtp_instance *instance, struct ast_frame *fr return 0; } +static void sanitize_tv(struct timeval *tv) +{ + while (tv->tv_usec < 0) { + tv->tv_usec += 1000000; + tv->tv_sec -= 1; + } + while (tv->tv_usec >= 1000000) { + tv->tv_usec -= 1000000; + tv->tv_sec += 1; + } +} + static void calc_rxstamp(struct timeval *tv, struct ast_rtp *rtp, unsigned int timestamp, int mark) { struct timeval now; @@ -1232,21 +1244,14 @@ static void calc_rxstamp(struct timeval *tv, struct ast_rtp *rtp, unsigned int t rtp->rxcore.tv_usec -= (timestamp % rate) * 125; /* Round to 0.1ms for nice, pretty timestamps */ rtp->rxcore.tv_usec -= rtp->rxcore.tv_usec % 100; - if (rtp->rxcore.tv_usec < 0) { - /* Adjust appropriately if necessary */ - rtp->rxcore.tv_usec += 1000000; - rtp->rxcore.tv_sec -= 1; - } + sanitize_tv(&rtp->rxcore); } gettimeofday(&now,NULL); /* rxcore is the mapping between the RTP timestamp and _our_ real time from gettimeofday() */ tv->tv_sec = rtp->rxcore.tv_sec + timestamp / rate; tv->tv_usec = rtp->rxcore.tv_usec + (timestamp % rate) * 125; - if (tv->tv_usec >= 1000000) { - tv->tv_usec -= 1000000; - tv->tv_sec += 1; - } + sanitize_tv(tv); prog = (double)((timestamp-rtp->seedrxts)/(float)(rate)); dtv = (double)rtp->drxcore + (double)(prog); current_time = (double)now.tv_sec + (double)now.tv_usec/1000000; |