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authorLennart Poettering <lennart@poettering.net>2006-04-16 10:56:45 +0000
committerLennart Poettering <lennart@poettering.net>2006-04-16 10:56:45 +0000
commitb04a4e65cae6d0fc9e4403b6147db36556d68159 (patch)
treeb708e7ead946492d2e7affe17fd57777d1b3e48f /src/modules/rtp/module-rtp-monitor.c
parent3b803e7168a92bbc4c43e47a1db64bce1513ca8b (diff)
rename module-rtp-monitor to module-rtp-send
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@726 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/modules/rtp/module-rtp-monitor.c')
-rw-r--r--src/modules/rtp/module-rtp-monitor.c363
1 files changed, 0 insertions, 363 deletions
diff --git a/src/modules/rtp/module-rtp-monitor.c b/src/modules/rtp/module-rtp-monitor.c
deleted file mode 100644
index f91849ee..00000000
--- a/src/modules/rtp/module-rtp-monitor.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/* $Id */
-
-/***
- This file is part of polypaudio.
-
- polypaudio is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published
- by the Free Software Foundation; either version 2 of the License,
- or (at your option) any later version.
-
- polypaudio is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with polypaudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <assert.h>
-#include <stdio.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <polypcore/module.h>
-#include <polypcore/llist.h>
-#include <polypcore/source.h>
-#include <polypcore/source-output.h>
-#include <polypcore/memblockq.h>
-#include <polypcore/log.h>
-#include <polypcore/util.h>
-#include <polypcore/xmalloc.h>
-#include <polypcore/modargs.h>
-#include <polypcore/namereg.h>
-
-#include "module-rtp-monitor-symdef.h"
-
-#include "rtp.h"
-#include "sdp.h"
-#include "sap.h"
-
-PA_MODULE_AUTHOR("Lennart Poettering")
-PA_MODULE_DESCRIPTION("Read data from source and send it to the network via RTP/SAP/SDP")
-PA_MODULE_VERSION(PACKAGE_VERSION)
-PA_MODULE_USAGE(
- "source=<name of the source> "
- "format=<sample format> "
- "channels=<number of channels> "
- "rate=<sample rate> "
- "destinaton=<destination IP address> "
- "port=<port number> "
- "mtu=<maximum transfer unit> "
- "loop=<loopback to local host?>"
-)
-
-#define DEFAULT_PORT 46000
-#define SAP_PORT 9875
-#define DEFAULT_DESTINATION "224.0.1.3"
-#define MEMBLOCKQ_MAXLENGTH (1024*170)
-#define DEFAULT_MTU 1280
-#define SAP_INTERVAL 5000000
-
-static const char* const valid_modargs[] = {
- "source",
- "format",
- "channels",
- "rate",
- "destination",
- "port",
- "loop",
- NULL
-};
-
-struct userdata {
- pa_module *module;
- pa_core *core;
-
- pa_source_output *source_output;
- pa_memblockq *memblockq;
-
- pa_rtp_context rtp_context;
- pa_sap_context sap_context;
- size_t mtu;
-
- pa_time_event *sap_event;
-};
-
-static void source_output_push(pa_source_output *o, const pa_memchunk *chunk) {
- struct userdata *u;
- assert(o);
- u = o->userdata;
-
- if (pa_memblockq_push(u->memblockq, chunk) < 0) {
- pa_log(__FILE__": Failed to push chunk into memblockq.");
- return;
- }
-
- pa_rtp_send(&u->rtp_context, u->mtu, u->memblockq);
-}
-
-static void source_output_kill(pa_source_output* o) {
- struct userdata *u;
- assert(o);
- u = o->userdata;
-
- pa_module_unload_request(u->module);
-
- pa_source_output_disconnect(u->source_output);
- pa_source_output_unref(u->source_output);
- u->source_output = NULL;
-}
-
-static pa_usec_t source_output_get_latency (pa_source_output *o) {
- struct userdata *u;
- assert(o);
- u = o->userdata;
-
- return pa_bytes_to_usec(pa_memblockq_get_length(u->memblockq), &o->sample_spec);
-}
-
-static void sap_event_cb(pa_mainloop_api *m, pa_time_event *t, const struct timeval *tv, void *userdata) {
- struct userdata *u = userdata;
- struct timeval next;
-
- assert(m);
- assert(t);
- assert(tv);
- assert(u);
-
- pa_sap_send(&u->sap_context, 0);
-
- pa_gettimeofday(&next);
- pa_timeval_add(&next, SAP_INTERVAL);
- m->time_restart(t, &next);
-}
-
-int pa__init(pa_core *c, pa_module*m) {
- struct userdata *u;
- pa_modargs *ma = NULL;
- const char *dest;
- uint32_t port = DEFAULT_PORT, mtu;
- int af, fd = -1, sap_fd = -1;
- pa_source *s;
- pa_sample_spec ss;
- pa_channel_map cm;
- struct sockaddr_in sa4, sap_sa4;
- struct sockaddr_in6 sa6, sap_sa6;
- struct sockaddr_storage sa_dst;
- pa_source_output *o = NULL;
- uint8_t payload;
- char *p;
- int r;
- socklen_t k;
- struct timeval tv;
- char hn[128], *n;
- int loop = 0;
-
- assert(c);
- assert(m);
-
- if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
- pa_log(__FILE__": failed to parse module arguments");
- goto fail;
- }
-
- if (!(s = pa_namereg_get(m->core, pa_modargs_get_value(ma, "source", NULL), PA_NAMEREG_SOURCE, 1))) {
- pa_log(__FILE__": source does not exist.");
- goto fail;
- }
-
- if (pa_modargs_get_value_boolean(ma, "loop", &loop) < 0) {
- pa_log(__FILE__": failed to parse \"loop\" parameter.");
- goto fail;
- }
-
- ss = s->sample_spec;
- pa_rtp_sample_spec_fixup(&ss);
- cm = s->channel_map;
- if (pa_modargs_get_sample_spec(ma, &ss) < 0) {
- pa_log(__FILE__": failed to parse sample specification");
- goto fail;
- }
-
- if (!pa_rtp_sample_spec_valid(&ss)) {
- pa_log(__FILE__": specified sample type not compatible with RTP");
- goto fail;
- }
-
- if (ss.channels != cm.channels)
- pa_channel_map_init_auto(&cm, ss.channels);
-
- payload = pa_rtp_payload_from_sample_spec(&ss);
-
- mtu = (DEFAULT_MTU/pa_frame_size(&ss))*pa_frame_size(&ss);
-
- if (pa_modargs_get_value_u32(ma, "mtu", &mtu) < 0 || mtu < 1 || mtu % pa_frame_size(&ss) != 0) {
- pa_log(__FILE__": invalid mtu.");
- goto fail;
- }
-
- port = DEFAULT_PORT + ((rand() % 512) << 1);
- if (pa_modargs_get_value_u32(ma, "port", &port) < 0 || port < 1 || port > 0xFFFF) {
- pa_log(__FILE__": port= expects a numerical argument between 1 and 65535.");
- goto fail;
- }
-
- if (port & 1)
- pa_log_warn(__FILE__": WARNING: port number not even as suggested in RFC3550!");
-
- dest = pa_modargs_get_value(ma, "destination", DEFAULT_DESTINATION);
-
- if (inet_pton(AF_INET6, dest, &sa6.sin6_addr) > 0) {
- sa6.sin6_family = af = AF_INET6;
- sa6.sin6_port = htons(port);
- sap_sa6 = sa6;
- sap_sa6.sin6_port = htons(SAP_PORT);
- } else if (inet_pton(AF_INET, dest, &sa4.sin_addr) > 0) {
- sa4.sin_family = af = AF_INET;
- sa4.sin_port = htons(port);
- sap_sa4 = sa4;
- sap_sa4.sin_port = htons(SAP_PORT);
- } else {
- pa_log(__FILE__": invalid destination '%s'", dest);
- goto fail;
- }
-
- if ((fd = socket(af, SOCK_DGRAM, 0)) < 0) {
- pa_log(__FILE__": socket() failed: %s", strerror(errno));
- goto fail;
- }
-
- if (connect(fd, af == AF_INET ? (struct sockaddr*) &sa4 : (struct sockaddr*) &sa6, af == AF_INET ? sizeof(sa4) : sizeof(sa6)) < 0) {
- pa_log(__FILE__": connect() failed: %s", strerror(errno));
- goto fail;
- }
-
- if ((sap_fd = socket(af, SOCK_DGRAM, 0)) < 0) {
- pa_log(__FILE__": socket() failed: %s", strerror(errno));
- goto fail;
- }
-
- if (connect(sap_fd, af == AF_INET ? (struct sockaddr*) &sap_sa4 : (struct sockaddr*) &sap_sa6, af == AF_INET ? sizeof(sap_sa4) : sizeof(sap_sa6)) < 0) {
- pa_log(__FILE__": connect() failed: %s", strerror(errno));
- goto fail;
- }
-
- if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof(loop)) < 0 ||
- setsockopt(sap_fd, IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof(loop)) < 0) {
- pa_log(__FILE__": IP_MULTICAST_LOOP failed: %s", strerror(errno));
- goto fail;
- }
-
- if (!(o = pa_source_output_new(s, __FILE__, "RTP Monitor Stream", &ss, &cm, PA_RESAMPLER_INVALID))) {
- pa_log(__FILE__": failed to create source output.");
- goto fail;
- }
-
- o->push = source_output_push;
- o->kill = source_output_kill;
- o->get_latency = source_output_get_latency;
- o->owner = m;
-
- u = pa_xnew(struct userdata, 1);
- m->userdata = u;
- o->userdata = u;
-
- u->module = m;
- u->core = c;
- u->source_output = o;
-
- u->memblockq = pa_memblockq_new(
- 0,
- MEMBLOCKQ_MAXLENGTH,
- MEMBLOCKQ_MAXLENGTH,
- pa_frame_size(&ss),
- 1,
- 0,
- NULL,
- c->memblock_stat);
-
- u->mtu = mtu;
-
- k = sizeof(sa_dst);
- r = getsockname(fd, (struct sockaddr*) &sa_dst, &k);
- assert(r >= 0);
-
- n = pa_sprintf_malloc("Polypaudio RTP Stream on %s", pa_get_fqdn(hn, sizeof(hn)));
-
- p = pa_sdp_build(af,
- af == AF_INET ? (void*) &((struct sockaddr_in*) &sa_dst)->sin_addr : (void*) &((struct sockaddr_in6*) &sa_dst)->sin6_addr,
- af == AF_INET ? (void*) &sa4.sin_addr : (void*) &sa6.sin6_addr,
- n, port, payload, &ss);
-
- pa_xfree(n);
-
- pa_rtp_context_init_send(&u->rtp_context, fd, c->cookie, payload, pa_frame_size(&ss));
- pa_sap_context_init_send(&u->sap_context, sap_fd, p);
-
- pa_log_info(__FILE__": RTP stream initialized with mtu %u on %s:%u, SSRC=0x%08x, payload=%u, initial sequence #%u", mtu, dest, port, u->rtp_context.ssrc, payload, u->rtp_context.sequence);
- pa_log_info(__FILE__": SDP-Data:\n%s\n"__FILE__": EOF", p);
-
- pa_sap_send(&u->sap_context, 0);
-
- pa_gettimeofday(&tv);
- pa_timeval_add(&tv, SAP_INTERVAL);
- u->sap_event = c->mainloop->time_new(c->mainloop, &tv, sap_event_cb, u);
-
- pa_modargs_free(ma);
-
- return 0;
-
-fail:
- if (ma)
- pa_modargs_free(ma);
-
- if (fd >= 0)
- close(fd);
-
- if (sap_fd >= 0)
- close(sap_fd);
-
- if (o) {
- pa_source_output_disconnect(o);
- pa_source_output_unref(o);
- }
-
- return -1;
-}
-
-void pa__done(pa_core *c, pa_module*m) {
- struct userdata *u;
- assert(c);
- assert(m);
-
- if (!(u = m->userdata))
- return;
-
- c->mainloop->time_free(u->sap_event);
-
- if (u->source_output) {
- pa_source_output_disconnect(u->source_output);
- pa_source_output_unref(u->source_output);
- }
-
- pa_rtp_context_destroy(&u->rtp_context);
-
- pa_sap_send(&u->sap_context, 1);
- pa_sap_context_destroy(&u->sap_context);
-
- pa_memblockq_free(u->memblockq);
-
- pa_xfree(u);
-}