X-Git-Url: https://git.distorted.org.uk/~mdw/disorder/blobdiff_plain/6edfd17ae7012be4f2365f8e84e4a1654fb1fdb6..6735af5fd1a4ae3978c0c31ac6026f15742c0a90:/clients/playrtp.c diff --git a/clients/playrtp.c b/clients/playrtp.c index 2bd2452..c22998b 100644 --- a/clients/playrtp.c +++ b/clients/playrtp.c @@ -1,6 +1,6 @@ /* * 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 @@ -65,12 +65,16 @@ #include #include #include +#include +#include +#include #include "log.h" #include "mem.h" #include "configuration.h" #include "addr.h" #include "syscalls.h" +#include "printf.h" #include "rtp.h" #include "defs.h" #include "vector.h" @@ -96,7 +100,7 @@ static FILE *logfp; /** @brief Output device */ /** @brief Buffer low watermark in samples */ -unsigned minbuffer = 4 * (2 * 44100) / 10; /* 0.4 seconds */ +unsigned minbuffer; /** @brief Maximum buffer size in samples * @@ -207,6 +211,7 @@ static const struct option options[] = { #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' }, @@ -239,6 +244,7 @@ static void *control_thread(void attribute((unused)) *arg) { char *line; socklen_t salen; FILE *fp; + int vl, vr; assert(control_socket); unlink(control_socket); @@ -272,9 +278,21 @@ static void *control_thread(void attribute((unused)) *arg) { if(!strcmp(line, "stop")) { disorder_info("stopped via %s", control_socket); exit(0); /* terminate immediately */ - } - if(!strcmp(line, "query")) + } else if(!strcmp(line, "query")) fprintf(fp, "running"); + else if(!strcmp(line, "getvol")) { + if(backend->get_volume) backend->get_volume(&vl, &vr); + else vl = vr = 0; + fprintf(fp, "%d %d\n", vl, vr); + } else if(!strncmp(line, "setvol ", 7)) { + if(!backend->set_volume) + vl = vr = 0; + else if(sscanf(line + 7, "%d %d", &vl, &vr) == 2) + backend->set_volume(&vl, &vr); + else + backend->get_volume(&vl, &vr); + fprintf(fp, "%d %d\n", vl, vr); + } xfree(line); } if(fclose(fp) < 0) @@ -483,7 +501,7 @@ struct packet *playrtp_next_packet(void) { } /* display usage message and terminate */ -static void help(void) { +static void attribute((noreturn)) help(void) { xprintf("Usage:\n" " disorder-playrtp [OPTIONS] [[ADDRESS] PORT]\n" "Options:\n" @@ -492,15 +510,19 @@ static void help(void) { " --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" @@ -618,11 +640,11 @@ int main(int argc, char **argv) { struct addrinfo *res; struct stringlist sl; char *sockname; - int rcvbuf, target_rcvbuf = 0; + int rcvbuf, target_rcvbuf = -1; 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 { @@ -636,7 +658,7 @@ int main(int argc, char **argv) { int monitor = 0; static const int one = 1; - static const struct addrinfo prefs = { + struct addrinfo prefs = { .ai_flags = AI_PASSIVE, .ai_family = PF_INET, .ai_socktype = SOCK_DGRAM, @@ -648,8 +670,7 @@ int main(int argc, char **argv) { 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"); @@ -660,14 +681,23 @@ int main(int argc, char **argv) { 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; @@ -678,29 +708,60 @@ int main(int argc, char **argv) { } } if(config_read(0, NULL)) disorder_fatal(0, "cannot read configuration"); + /* Choose a sensible default audio backend */ + 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; + /* Set buffering parameters if not overridden */ + if(!minbuffer) { + minbuffer = config->rtp_minbuffer; + if(!minbuffer) minbuffer = (2*44100)*4/10; + } + if(!maxbuffer) { + maxbuffer = config->rtp_maxbuffer; + if(!maxbuffer) maxbuffer = 2 * minbuffer; + } + if(target_rcvbuf < 0) target_rcvbuf = config->rtp_rcvbuf; argc -= optind; argv += optind; switch(argc) { case 0: - /* Get configuration from server */ - if(!(c = disorder_new(1))) exit(EXIT_FAILURE); - if(disorder_connect(c)) exit(EXIT_FAILURE); - if(disorder_rtp_address(c, &address, &port)) exit(EXIT_FAILURE); - sl.n = 2; - sl.s = xcalloc(2, sizeof *sl.s); - sl.s[0] = address; - sl.s[1] = port; + sl.s = xcalloc(3, sizeof *sl.s); + if(config->rtp_always_request) { + sl.s[0] = sl.s[1] = (/*unconst*/ char *)"-"; + sl.n = 2; + } else { + /* Get configuration from server */ + if(!(c = disorder_new(1))) exit(EXIT_FAILURE); + if(disorder_connect(c)) exit(EXIT_FAILURE); + if(disorder_rtp_address(c, &address, &port)) exit(EXIT_FAILURE); + sl.s[0] = address; + sl.s[1] = port; + sl.n = 2; + } + /* If we're requesting a new stream then apply the local network address + * overrides. + */ + if(!strcmp(sl.s[0], "-")) { + if(config->rtp_request_address.port) + byte_xasprintf(&sl.s[1], "%d", config->rtp_request_address.port); + if(config->rtp_request_address.address) { + sl.s[2] = sl.s[1]; + sl.s[1] = config->rtp_request_address.address; + sl.n = 3; + } + } break; - case 1: - case 2: + case 1: case 2: case 3: /* Use command-line ADDRESS+PORT or just PORT */ sl.n = argc; sl.s = argv; @@ -708,83 +769,183 @@ int main(int argc, char **argv) { 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); + disorder_info("version "VERSION" process ID %lu", + (unsigned long)getpid()); + struct sockaddr *addr; + socklen_t addr_len; + if(!strcmp(sl.s[0], "-")) { + /* Syntax: - [[ADDRESS] PORT]. Here, the PORT may be `-' to get the local + * kernel to choose. The ADDRESS may be omitted or `-' to pick something + * suitable. */ + const char *node, *svc; + struct sockaddr *sa = 0; + switch (sl.n) { +#define NULLDASH(s) (strcmp((s), "-") ? (s) : 0) + case 1: node = 0; svc = 0; break; + case 2: node = 0; svc = NULLDASH(sl.s[1]); break; + case 3: node = NULLDASH(sl.s[1]); svc = NULLDASH(sl.s[2]); break; + default: disorder_fatal(0, "too many listening-address compoennts"); +#undef NULLDASH } - /* 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); + /* We'll need a connection to request the incoming stream, so open one if + * we don't have one already */ + if(!c) { + if(!(c = disorder_new(1))) exit(EXIT_FAILURE); + if(disorder_connect(c)) exit(EXIT_FAILURE); } + /* If no address was given, we need to pick one. But we already have a + * connection to the server, so we can probably use the address from that. + */ + struct sockaddr_storage ss; + if(!node) { + addr_len = sizeof ss; + if(disorder_client_sockname(c, (struct sockaddr *)&ss, &addr_len)) + exit(EXIT_FAILURE); + if(ss.ss_family != AF_INET && ss.ss_family != AF_INET6) { + /* We're using a Unix-domain socket, so use a loopback address. I'm + * cowardly using IPv4 here. */ + struct sockaddr_in *sin = (struct sockaddr_in *)&ss; + sin->sin_family = AF_INET; + sin->sin_addr.s_addr = htonl(INADDR_LOOPBACK); + } + sa = (struct sockaddr *)&ss; + prefs.ai_family = sa->sa_family; + } + /* If we have an address or port to resolve then do that now */ + if (node || svc) { + struct addrinfo *ai; + char errbuf[1024]; + int rc; + if((rc = getaddrinfo(node, svc, &prefs, &ai))) + disorder_fatal(0, "failed to resolve address `%s' and service `%s': %s", + node ? node : "-", svc ? svc : "-", + format_error(ec_getaddrinfo, rc, + errbuf, sizeof(errbuf))); + if(!sa) + sa = ai->ai_addr; + else { + assert(sa->sa_family == ai->ai_addr->sa_family); + switch(sa->sa_family) { + case AF_INET: + ((struct sockaddr_in *)sa)->sin_port = + ((struct sockaddr_in *)ai->ai_addr)->sin_port; + break; + case AF_INET6: + ((struct sockaddr_in6 *)sa)->sin6_port = + ((struct sockaddr_in6 *)ai->ai_addr)->sin6_port; + break; + default: + assert(!"unexpected address family"); + } + } + } + if((rtpfd = socket(sa->sa_family, SOCK_DGRAM, IPPROTO_UDP)) < 0) + disorder_fatal(errno, "error creating socket (family %d)", + sa->sa_family); + /* Bind the address */ + if(bind(rtpfd, sa, + sa->sa_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 (stream requested)", + 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; + if(sl.n > 2) disorder_fatal(0, "too many address components"); + /* 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) @@ -834,7 +995,10 @@ int main(int argc, char **argv) { * 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->configure(); backend->start(playrtp_callback, NULL); + if(backend->open_mixer) backend->open_mixer(); /* We receive and convert audio data in a background thread */ if((err = pthread_create(<id, 0, listen_thread, 0))) disorder_fatal(err, "pthread_create listen_thread");