/*
* This file is part of DisOrder
- * Copyright (C) 2005, 2006, 2007 Richard Kettlewell
+ * Copyright (C) 2005-2008 Richard Kettlewell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/* We transmit using RTP (RFC3550) and attempt to conform to the internet
* AVT profile (RFC3551). */
+ /* If we're starting then initialize the base time */
+ if(!rtp_time)
+ xgettimeofday(&rtp_time_0, 0);
if(idled) {
/* There may have been a gap. Fix up the RTP time accordingly. */
struct timeval now;
xgettimeofday(&now, 0);
/* Find the number of microseconds elapsed since rtp_time=0 */
delta = tvsub_us(now, rtp_time_0);
- assert(delta <= UINT64_MAX / 88200);
+ if(delta > UINT64_MAX / 88200)
+ fatal(0, "rtp_time=%llu now=%ld.%06ld rtp_time_0=%ld.%06ld delta=%llu (%lld)",
+ rtp_time,
+ (long)now.tv_sec, (long)now.tv_usec,
+ (long)rtp_time_0.tv_sec, (long)rtp_time_0.tv_usec,
+ delta, delta);
target_rtp_time = (delta * config->sample_format.rate
* config->sample_format.channels) / 1000000;
/* Overflows at ~6 years uptime with 44100Hz stereo */
/* We send audio data whenever we would otherwise get behind */
xgettimeofday(&now, 0);
target_us = tvsub_us(now, rtp_time_0);
- assert(target_us <= UINT64_MAX / 88200);
+ if(target_us > UINT64_MAX / 88200)
+ fatal(0, "rtp_time=%llu rtp_time_0=%ld.%06ld now=%ld.%06ld target_us=%llu (%lld)\n",
+ rtp_time,
+ (long)rtp_time_0.tv_sec, (long)rtp_time_0.tv_usec,
+ (long)now.tv_sec, (long)now.tv_usec,
+ target_us, target_us);
target_rtp_time = (target_us * config->sample_format.rate
* config->sample_format.channels)
/ 1000000;