/*
* This file is part of DisOrder.
- * Copyright (C) 2007-2009 Richard Kettlewell
+ * Copyright (C) 2007-2009, 2011, 2013 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
#include <sys/mman.h>
#include <fcntl.h>
#include <math.h>
+#include <arpa/inet.h>
+#include <ifaddrs.h>
+#include <net/if.h>
#include "log.h"
#include "mem.h"
#if HAVE_COREAUDIO_AUDIOHARDWARE_H
{ "core-audio", no_argument, 0, 'c' },
#endif
+ { "api", required_argument, 0, 'A' },
{ "dump", required_argument, 0, 'r' },
{ "command", required_argument, 0, 'e' },
{ "pause-mode", required_argument, 0, 'P' },
" --max, -x FRAMES Buffer maximum size\n"
" --rcvbuf, -R BYTES Socket receive buffer size\n"
" --config, -C PATH Set configuration file\n"
-#if HAVE_ALSA_ASOUNDLIB_H
- " --alsa, -a Use ALSA to play audio\n"
-#endif
-#if HAVE_SYS_SOUNDCARD_H || EMPEG_HOST
- " --oss, -o Use OSS to play audio\n"
-#endif
-#if HAVE_COREAUDIO_AUDIOHARDWARE_H
- " --core-audio, -c Use Core Audio to play audio\n"
-#endif
+ " --api, -A API Select audio API. Possibilities:\n"
+ " ");
+ int first = 1;
+ for(int n = 0; uaudio_apis[n]; ++n) {
+ if(uaudio_apis[n]->flags & UAUDIO_API_CLIENT) {
+ if(first)
+ first = 0;
+ else
+ xprintf(", ");
+ xprintf("%s", uaudio_apis[n]->name);
+ }
+ }
+ xprintf("\n"
" --command, -e COMMAND Pipe audio to command.\n"
" --pause-mode, -P silence For -e: pauses send silence (default)\n"
" --pause-mode, -P suspend For -e: pauses suspend writes\n"
return samples;
}
+static int compare_family(const struct ifaddrs *a,
+ const struct ifaddrs *b,
+ int family) {
+ int afamily = a->ifa_addr->sa_family;
+ int bfamily = b->ifa_addr->sa_family;
+ if(afamily != bfamily) {
+ /* Preferred family wins */
+ if(afamily == family) return 1;
+ if(bfamily == family) return -1;
+ /* Either there's no preference or it doesn't help. Prefer IPv4 */
+ if(afamily == AF_INET) return 1;
+ if(bfamily == AF_INET) return -1;
+ /* Failing that prefer IPv6 */
+ if(afamily == AF_INET6) return 1;
+ if(bfamily == AF_INET6) return -1;
+ }
+ return 0;
+}
+
+static int compare_flags(const struct ifaddrs *a,
+ const struct ifaddrs *b) {
+ unsigned aflags = a->ifa_flags, bflags = b->ifa_flags;
+ /* Up interfaces are better than down ones */
+ unsigned aup = aflags & IFF_UP, bup = bflags & IFF_UP;
+ if(aup != bup)
+ return aup > bup ? 1 : -1;
+#if IFF_DYNAMIC
+ /* Static addresses are better than dynamic */
+ unsigned adynamic = aflags & IFF_DYNAMIC, bdynamic = bflags & IFF_DYNAMIC;
+ if(adynamic != bdynamic)
+ return adynamic < bdynamic ? 1 : -1;
+#endif
+ unsigned aloopback = aflags & IFF_LOOPBACK, bloopback = bflags & IFF_LOOPBACK;
+ /* Static addresses are better than dynamic */
+ if(aloopback != bloopback)
+ return aloopback < bloopback ? 1 : -1;
+ return 0;
+}
+
+static int compare_interfaces(const struct ifaddrs *a,
+ const struct ifaddrs *b,
+ int family) {
+ int c;
+ if((c = compare_family(a, b, family))) return c;
+ return compare_flags(a, b);
+}
+
int main(int argc, char **argv) {
int n, err;
struct addrinfo *res;
socklen_t len;
struct ip_mreq mreq;
struct ipv6_mreq mreq6;
- disorder_client *c;
+ disorder_client *c = NULL;
char *address, *port;
int is_multicast;
union any_sockaddr {
logdate = 1;
mem_init();
if(!setlocale(LC_CTYPE, "")) disorder_fatal(errno, "error calling setlocale");
- backend = uaudio_apis[0];
- while((n = getopt_long(argc, argv, "hVdD:m:x:L:R:aocC:re:P:M", options, 0)) >= 0) {
+ while((n = getopt_long(argc, argv, "hVdD:m:x:L:R:aocC:re:P:MA:", options, 0)) >= 0) {
switch(n) {
case 'h': help();
case 'V': version("disorder-playrtp");
case 'L': logfp = fopen(optarg, "w"); break;
case 'R': target_rcvbuf = atoi(optarg); break;
#if HAVE_ALSA_ASOUNDLIB_H
- case 'a': backend = &uaudio_alsa; break;
+ case 'a':
+ disorder_error(0, "deprecated option; use --api alsa instead");
+ backend = &uaudio_alsa; break;
#endif
#if HAVE_SYS_SOUNDCARD_H || EMPEG_HOST
- case 'o': backend = &uaudio_oss; break;
+ case 'o':
+ disorder_error(0, "deprecated option; use --api oss instead");
+ backend = &uaudio_oss;
+ break;
#endif
#if HAVE_COREAUDIO_AUDIOHARDWARE_H
- case 'c': backend = &uaudio_coreaudio; break;
+ case 'c':
+ disorder_error(0, "deprecated option; use --api coreaudio instead");
+ backend = &uaudio_coreaudio;
+ break;
#endif
+ case 'A': backend = uaudio_find(optarg); break;
case 'C': configfile = optarg; break;
case 's': control_socket = optarg; break;
case 'r': dumpfile = optarg; break;
}
}
if(config_read(0, NULL)) disorder_fatal(0, "cannot read configuration");
+ if(!backend) {
+ backend = uaudio_default(uaudio_apis, UAUDIO_API_CLIENT);
+ if(!backend)
+ disorder_fatal(0, "no default uaudio API found");
+ disorder_info("default audio API %s", backend->name);
+ }
+ if(backend == &uaudio_rtp) {
+ /* This means that you have NO local sound output. This can happen if you
+ * use a non-Apple GCC on a Mac (because it doesn't know how to compile
+ * CoreAudio/AudioHardware.h). */
+ disorder_fatal(0, "cannot play RTP through RTP");
+ }
if(!maxbuffer)
maxbuffer = 2 * minbuffer;
argc -= optind;
default:
disorder_fatal(0, "usage: disorder-playrtp [OPTIONS] [[ADDRESS] PORT]");
}
- /* Look up address and port */
- if(!(res = get_address(&sl, &prefs, &sockname)))
- exit(1);
- /* Create the socket */
- if((rtpfd = socket(res->ai_family,
- res->ai_socktype,
- res->ai_protocol)) < 0)
- disorder_fatal(errno, "error creating socket");
- /* Allow multiple listeners */
- xsetsockopt(rtpfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof one);
- is_multicast = multicast(res->ai_addr);
- /* The multicast and unicast/broadcast cases are different enough that they
- * are totally split. Trying to find commonality between them causes more
- * trouble that it's worth. */
- if(is_multicast) {
- /* Stash the multicast group address */
- memcpy(&mgroup, res->ai_addr, res->ai_addrlen);
- switch(res->ai_addr->sa_family) {
- case AF_INET:
- mgroup.in.sin_port = 0;
- break;
- case AF_INET6:
- mgroup.in6.sin6_port = 0;
- break;
- default:
- disorder_fatal(0, "unsupported address family %d",
- (int)res->ai_addr->sa_family);
- }
- /* Bind to to the multicast group address */
- if(bind(rtpfd, res->ai_addr, res->ai_addrlen) < 0)
- disorder_fatal(errno, "error binding socket to %s",
- format_sockaddr(res->ai_addr));
- /* Add multicast group membership */
- switch(mgroup.sa.sa_family) {
- case PF_INET:
- mreq.imr_multiaddr = mgroup.in.sin_addr;
- mreq.imr_interface.s_addr = 0; /* use primary interface */
- if(setsockopt(rtpfd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
- &mreq, sizeof mreq) < 0)
- disorder_fatal(errno, "error calling setsockopt IP_ADD_MEMBERSHIP");
- break;
- case PF_INET6:
- mreq6.ipv6mr_multiaddr = mgroup.in6.sin6_addr;
- memset(&mreq6.ipv6mr_interface, 0, sizeof mreq6.ipv6mr_interface);
- if(setsockopt(rtpfd, IPPROTO_IPV6, IPV6_JOIN_GROUP,
- &mreq6, sizeof mreq6) < 0)
- disorder_fatal(errno, "error calling setsockopt IPV6_JOIN_GROUP");
- break;
- default:
- disorder_fatal(0, "unsupported address family %d", res->ai_family);
+ disorder_info("version "VERSION" process ID %lu",
+ (unsigned long)getpid());
+ struct sockaddr *addr;
+ socklen_t addr_len;
+ if(!strcmp(sl.s[0], "-")) {
+ /* Pick address family to match known-working connectivity to the server */
+ int family = disorder_client_af(c);
+ /* Get a list of interfaces */
+ struct ifaddrs *ifa, *bestifa = NULL;
+ if(getifaddrs(&ifa) < 0)
+ disorder_fatal(errno, "error calling getifaddrs");
+ /* Try to pick a good one */
+ for(; ifa; ifa = ifa->ifa_next) {
+ if(bestifa == NULL
+ || compare_interfaces(ifa, bestifa, family) > 0)
+ bestifa = ifa;
}
+ if(!bestifa)
+ disorder_fatal(0, "failed to select a network interface");
+ family = bestifa->ifa_addr->sa_family;
+ if((rtpfd = socket(family,
+ SOCK_DGRAM,
+ IPPROTO_UDP)) < 0)
+ disorder_fatal(errno, "error creating socket (family %d)", family);
+ /* Bind the address */
+ if(bind(rtpfd, bestifa->ifa_addr,
+ family == AF_INET
+ ? sizeof (struct sockaddr_in) : sizeof (struct sockaddr_in6)) < 0)
+ disorder_fatal(errno, "error binding socket");
+ static struct sockaddr_storage bound_address;
+ addr = (struct sockaddr *)&bound_address;
+ addr_len = sizeof bound_address;
+ if(getsockname(rtpfd, addr, &addr_len) < 0)
+ disorder_fatal(errno, "error getting socket address");
+ /* Convert to string */
+ char addrname[128], portname[32];
+ if(getnameinfo(addr, addr_len,
+ addrname, sizeof addrname,
+ portname, sizeof portname,
+ NI_NUMERICHOST|NI_NUMERICSERV) < 0)
+ disorder_fatal(errno, "getnameinfo");
+ /* Ask for audio data */
+ if(disorder_rtp_request(c, addrname, portname)) exit(EXIT_FAILURE);
/* Report what we did */
- disorder_info("listening on %s multicast group %s",
- format_sockaddr(res->ai_addr), format_sockaddr(&mgroup.sa));
+ disorder_info("listening on %s", format_sockaddr(addr));
} else {
- /* Bind to 0/port */
- switch(res->ai_addr->sa_family) {
- case AF_INET: {
- struct sockaddr_in *in = (struct sockaddr_in *)res->ai_addr;
+ /* Look up address and port */
+ if(!(res = get_address(&sl, &prefs, &sockname)))
+ exit(1);
+ addr = res->ai_addr;
+ addr_len = res->ai_addrlen;
+ /* Create the socket */
+ if((rtpfd = socket(res->ai_family,
+ res->ai_socktype,
+ res->ai_protocol)) < 0)
+ disorder_fatal(errno, "error creating socket");
+ /* Allow multiple listeners */
+ xsetsockopt(rtpfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof one);
+ is_multicast = multicast(addr);
+ /* The multicast and unicast/broadcast cases are different enough that they
+ * are totally split. Trying to find commonality between them causes more
+ * trouble that it's worth. */
+ if(is_multicast) {
+ /* Stash the multicast group address */
+ memcpy(&mgroup, addr, addr_len);
+ switch(res->ai_addr->sa_family) {
+ case AF_INET:
+ mgroup.in.sin_port = 0;
+ break;
+ case AF_INET6:
+ mgroup.in6.sin6_port = 0;
+ break;
+ default:
+ disorder_fatal(0, "unsupported address family %d",
+ (int)addr->sa_family);
+ }
+ /* Bind to to the multicast group address */
+ if(bind(rtpfd, addr, addr_len) < 0)
+ disorder_fatal(errno, "error binding socket to %s",
+ format_sockaddr(addr));
+ /* Add multicast group membership */
+ switch(mgroup.sa.sa_family) {
+ case PF_INET:
+ mreq.imr_multiaddr = mgroup.in.sin_addr;
+ mreq.imr_interface.s_addr = 0; /* use primary interface */
+ if(setsockopt(rtpfd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
+ &mreq, sizeof mreq) < 0)
+ disorder_fatal(errno, "error calling setsockopt IP_ADD_MEMBERSHIP");
+ break;
+ case PF_INET6:
+ mreq6.ipv6mr_multiaddr = mgroup.in6.sin6_addr;
+ memset(&mreq6.ipv6mr_interface, 0, sizeof mreq6.ipv6mr_interface);
+ if(setsockopt(rtpfd, IPPROTO_IPV6, IPV6_JOIN_GROUP,
+ &mreq6, sizeof mreq6) < 0)
+ disorder_fatal(errno, "error calling setsockopt IPV6_JOIN_GROUP");
+ break;
+ default:
+ disorder_fatal(0, "unsupported address family %d", res->ai_family);
+ }
+ /* Report what we did */
+ disorder_info("listening on %s multicast group %s",
+ format_sockaddr(addr), format_sockaddr(&mgroup.sa));
+ } else {
+ /* Bind to 0/port */
+ switch(addr->sa_family) {
+ case AF_INET: {
+ struct sockaddr_in *in = (struct sockaddr_in *)addr;
- memset(&in->sin_addr, 0, sizeof (struct in_addr));
- break;
- }
- case AF_INET6: {
- struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)res->ai_addr;
+ memset(&in->sin_addr, 0, sizeof (struct in_addr));
+ break;
+ }
+ case AF_INET6: {
+ struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)addr;
- memset(&in6->sin6_addr, 0, sizeof (struct in6_addr));
- break;
- }
- default:
- disorder_fatal(0, "unsupported family %d", (int)res->ai_addr->sa_family);
+ memset(&in6->sin6_addr, 0, sizeof (struct in6_addr));
+ break;
+ }
+ default:
+ disorder_fatal(0, "unsupported family %d", (int)addr->sa_family);
+ }
+ if(bind(rtpfd, addr, addr_len) < 0)
+ disorder_fatal(errno, "error binding socket to %s",
+ format_sockaddr(addr));
+ /* Report what we did */
+ disorder_info("listening on %s", format_sockaddr(addr));
}
- if(bind(rtpfd, res->ai_addr, res->ai_addrlen) < 0)
- disorder_fatal(errno, "error binding socket to %s",
- format_sockaddr(res->ai_addr));
- /* Report what we did */
- disorder_info("listening on %s", format_sockaddr(res->ai_addr));
}
len = sizeof rcvbuf;
if(getsockopt(rtpfd, SOL_SOCKET, SO_RCVBUF, &rcvbuf, &len) < 0)
* the format before we know what it is! */
uaudio_set_format(44100/*Hz*/, 2/*channels*/,
16/*bits/channel*/, 1/*signed*/);
+ uaudio_set("application", "disorder-playrtp");
backend->start(playrtp_callback, NULL);
/* We receive and convert audio data in a background thread */
if((err = pthread_create(<id, 0, listen_thread, 0)))