X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/edbd470fa6b1d1286a4500f3a8263905fbc2d11d..d0b6635eee6d656502d129e88c65a5014c8e042f:/server/speaker-network.c diff --git a/server/speaker-network.c b/server/speaker-network.c index 67fca83..b77334c 100644 --- a/server/speaker-network.c +++ b/server/speaker-network.c @@ -1,6 +1,6 @@ /* * 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 @@ -84,24 +84,16 @@ static int audio_errors; static void network_init(void) { struct addrinfo *res, *sres; static const struct addrinfo pref = { - 0, - PF_INET, - SOCK_DGRAM, - IPPROTO_UDP, - 0, - 0, - 0, - 0 + .ai_flags = 0, + .ai_family = PF_INET, + .ai_socktype = SOCK_DGRAM, + .ai_protocol = IPPROTO_UDP, }; static const struct addrinfo prefbind = { - AI_PASSIVE, - PF_INET, - SOCK_DGRAM, - IPPROTO_UDP, - 0, - 0, - 0, - 0 + .ai_flags = AI_PASSIVE, + .ai_family = PF_INET, + .ai_socktype = SOCK_DGRAM, + .ai_protocol = IPPROTO_UDP, }; static const int one = 1; int sndbuf, target_sndbuf = 131072; @@ -200,6 +192,9 @@ static size_t network_play(size_t frames) { /* 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; @@ -210,7 +205,12 @@ static size_t network_play(size_t frames) { 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 */ @@ -305,7 +305,12 @@ static void network_beforepoll(int *timeoutp) { /* 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;