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_LOAD_ONCE(FALSE);
+PA_MODULE_LOAD_ONCE(false);
PA_MODULE_USAGE(
"source=<name of the source> "
"format=<sample format> "
"channels=<number of channels> "
"rate=<sample rate> "
- "destination=<destination IP address> "
+ "destination_ip=<destination IP address> "
+ "source_ip=<source IP address> "
"port=<port number> "
"mtu=<maximum transfer unit> "
"loop=<loopback to local host?> "
#define DEFAULT_PORT 46000
#define DEFAULT_TTL 1
#define SAP_PORT 9875
-#define DEFAULT_DESTINATION "224.0.0.56"
+#define DEFAULT_SOURCE_IP "0.0.0.0"
+#define DEFAULT_DESTINATION_IP "224.0.0.56"
#define MEMBLOCKQ_MAXLENGTH (1024*170)
#define DEFAULT_MTU 1280
#define SAP_INTERVAL (5*PA_USEC_PER_SEC)
"format",
"channels",
"rate",
- "destination",
+ "destination", /* Compatbility */
+ "destination_ip",
+ "source_ip",
"port",
"mtu" ,
"loop",
pa_source_output_assert_ref(o);
pa_assert_se(u = o->userdata);
- pa_module_unload_request(u->module, TRUE);
+ pa_module_unload_request(u->module, true);
pa_source_output_unlink(u->source_output);
pa_source_output_unref(u->source_output);
int pa__init(pa_module*m) {
struct userdata *u;
pa_modargs *ma = NULL;
- const char *dest;
+ const char *dst_addr;
+ const char *src_addr;
uint32_t port = DEFAULT_PORT, mtu;
uint32_t ttl = DEFAULT_TTL;
sa_family_t af;
pa_source *s;
pa_sample_spec ss;
pa_channel_map cm;
- struct sockaddr_in sa4, sap_sa4;
+ struct sockaddr_in dst_sa4, dst_sap_sa4, src_sa4, src_sap_sa4;
#ifdef HAVE_IPV6
- struct sockaddr_in6 sa6, sap_sa6;
+ struct sockaddr_in6 dst_sa6, dst_sap_sa6, src_sa6, src_sap_sa6;
#endif
struct sockaddr_storage sa_dst;
pa_source_output *o = NULL;
int r, j;
socklen_t k;
char hn[128], *n;
- pa_bool_t loop = FALSE;
+ bool loop = false;
pa_source_output_new_data data;
pa_assert(m);
goto fail;
}
- dest = pa_modargs_get_value(ma, "destination", DEFAULT_DESTINATION);
+ src_addr = pa_modargs_get_value(ma, "source_ip", DEFAULT_SOURCE_IP);
- if (inet_pton(AF_INET, dest, &sa4.sin_addr) > 0) {
- sa4.sin_family = af = AF_INET;
- sa4.sin_port = htons((uint16_t) port);
- sap_sa4 = sa4;
- sap_sa4.sin_port = htons(SAP_PORT);
+ if (inet_pton(AF_INET, src_addr, &src_sa4.sin_addr) > 0) {
+ src_sa4.sin_family = af = AF_INET;
+ src_sa4.sin_port = htons(0);
+ memset(&src_sa4.sin_zero, 0, sizeof(src_sa4.sin_zero));
+ src_sap_sa4 = src_sa4;
#ifdef HAVE_IPV6
- } else if (inet_pton(AF_INET6, dest, &sa6.sin6_addr) > 0) {
- sa6.sin6_family = af = AF_INET6;
- sa6.sin6_port = htons((uint16_t) port);
- sap_sa6 = sa6;
- sap_sa6.sin6_port = htons(SAP_PORT);
+ } else if (inet_pton(AF_INET6, src_addr, &src_sa6.sin6_addr) > 0) {
+ src_sa6.sin6_family = af = AF_INET6;
+ src_sa6.sin6_port = htons(0);
+ src_sa6.sin6_flowinfo = 0;
+ src_sa6.sin6_scope_id = 0;
+ src_sap_sa6 = src_sa6;
#endif
} else {
- pa_log("Invalid destination '%s'", dest);
+ pa_log("Invalid source address '%s'", src_addr);
+ goto fail;
+ }
+
+ dst_addr = pa_modargs_get_value(ma, "destination", NULL);
+ if (dst_addr == NULL)
+ dst_addr = pa_modargs_get_value(ma, "destination_ip", DEFAULT_DESTINATION_IP);
+
+ if (inet_pton(AF_INET, dst_addr, &dst_sa4.sin_addr) > 0) {
+ dst_sa4.sin_family = af = AF_INET;
+ dst_sa4.sin_port = htons((uint16_t) port);
+ memset(&dst_sa4.sin_zero, 0, sizeof(dst_sa4.sin_zero));
+ dst_sap_sa4 = dst_sa4;
+ dst_sap_sa4.sin_port = htons(SAP_PORT);
+#ifdef HAVE_IPV6
+ } else if (inet_pton(AF_INET6, dst_addr, &dst_sa6.sin6_addr) > 0) {
+ dst_sa6.sin6_family = af = AF_INET6;
+ dst_sa6.sin6_port = htons((uint16_t) port);
+ dst_sa6.sin6_flowinfo = 0;
+ dst_sa6.sin6_scope_id = 0;
+ dst_sap_sa6 = dst_sa6;
+ dst_sap_sa6.sin6_port = htons(SAP_PORT);
+#endif
+ } else {
+ pa_log("Invalid destination '%s'", dst_addr);
goto fail;
}
goto fail;
}
- if (af == AF_INET && connect(fd, (struct sockaddr*) &sa4, sizeof(sa4)) < 0) {
+ if (af == AF_INET && bind(fd, (struct sockaddr*) &src_sa4, sizeof(src_sa4)) < 0) {
+ pa_log("bind() failed: %s", pa_cstrerror(errno));
+ goto fail;
+#ifdef HAVE_IPV6
+ } else if (af == AF_INET6 && bind(fd, (struct sockaddr*) &src_sa6, sizeof(src_sa6)) < 0) {
+ pa_log("bind() failed: %s", pa_cstrerror(errno));
+ goto fail;
+#endif
+ }
+
+ if (af == AF_INET && connect(fd, (struct sockaddr*) &dst_sa4, sizeof(dst_sa4)) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
#ifdef HAVE_IPV6
- } else if (af == AF_INET6 && connect(fd, (struct sockaddr*) &sa6, sizeof(sa6)) < 0) {
+ } else if (af == AF_INET6 && connect(fd, (struct sockaddr*) &dst_sa6, sizeof(dst_sa6)) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
#endif
goto fail;
}
- if (af == AF_INET && connect(sap_fd, (struct sockaddr*) &sap_sa4, sizeof(sap_sa4)) < 0) {
+ if (af == AF_INET && bind(sap_fd, (struct sockaddr*) &src_sap_sa4, sizeof(src_sap_sa4)) < 0) {
+ pa_log("bind() failed: %s", pa_cstrerror(errno));
+ goto fail;
+#ifdef HAVE_IPV6
+ } else if (af == AF_INET6 && bind(sap_fd, (struct sockaddr*) &src_sap_sa6, sizeof(src_sap_sa6)) < 0) {
+ pa_log("bind() failed: %s", pa_cstrerror(errno));
+ goto fail;
+#endif
+ }
+
+ if (af == AF_INET && connect(sap_fd, (struct sockaddr*) &dst_sap_sa4, sizeof(dst_sap_sa4)) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
#ifdef HAVE_IPV6
- } else if (af == AF_INET6 && connect(sap_fd, (struct sockaddr*) &sap_sa6, sizeof(sap_sa6)) < 0) {
+ } else if (af == AF_INET6 && connect(sap_fd, (struct sockaddr*) &dst_sap_sa6, sizeof(dst_sap_sa6)) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
#endif
pa_source_output_new_data_init(&data);
pa_proplist_sets(data.proplist, PA_PROP_MEDIA_NAME, "RTP Monitor Stream");
- pa_proplist_sets(data.proplist, "rtp.destination", dest);
+ pa_proplist_sets(data.proplist, "rtp.source", src_addr);
+ pa_proplist_sets(data.proplist, "rtp.destination", dst_addr);
pa_proplist_setf(data.proplist, "rtp.mtu", "%lu", (unsigned long) mtu);
pa_proplist_setf(data.proplist, "rtp.port", "%lu", (unsigned long) port);
pa_proplist_setf(data.proplist, "rtp.ttl", "%lu", (unsigned long) ttl);
data.driver = __FILE__;
data.module = m;
- pa_source_output_new_data_set_source(&data, s, FALSE);
+ pa_source_output_new_data_set_source(&data, s, false);
pa_source_output_new_data_set_sample_spec(&data, &ss);
pa_source_output_new_data_set_channel_map(&data, &cm);
- data.flags = PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND;
pa_source_output_new(&o, m->core, &data);
pa_source_output_new_data_done(&data);
u->source_output = o;
u->memblockq = pa_memblockq_new(
+ "module-rtp-send memblockq",
0,
MEMBLOCKQ_MAXLENGTH,
MEMBLOCKQ_MAXLENGTH,
- pa_frame_size(&ss),
+ &ss,
1,
0,
0,
if (af == AF_INET) {
p = pa_sdp_build(af,
(void*) &((struct sockaddr_in*) &sa_dst)->sin_addr,
- (void*) &sa4.sin_addr,
+ (void*) &dst_sa4.sin_addr,
n, (uint16_t) port, payload, &ss);
#ifdef HAVE_IPV6
} else {
p = pa_sdp_build(af,
(void*) &((struct sockaddr_in6*) &sa_dst)->sin6_addr,
- (void*) &sa6.sin6_addr,
+ (void*) &dst_sa6.sin6_addr,
n, (uint16_t) port, payload, &ss);
#endif
}
pa_rtp_context_init_send(&u->rtp_context, fd, m->core->cookie, payload, pa_frame_size(&ss));
pa_sap_context_init_send(&u->sap_context, sap_fd, p);
- pa_log_info("RTP stream initialized with mtu %u on %s:%u ttl=%u, SSRC=0x%08x, payload=%u, initial sequence #%u", mtu, dest, port, ttl, u->rtp_context.ssrc, payload, u->rtp_context.sequence);
+ pa_log_info("RTP stream initialized with mtu %u on %s:%u from %s ttl=%u, SSRC=0x%08x, payload=%u, initial sequence #%u", mtu, dst_addr, port, src_addr, ttl, u->rtp_context.ssrc, payload, u->rtp_context.sequence);
pa_log_info("SDP-Data:\n%s\nEOF", p);
pa_sap_send(&u->sap_context, 0);