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_ip=<destination IP address> "
+ "source_ip=<source IP address> "
"port=<port number> "
"mtu=<maximum transfer unit> "
"loop=<loopback to local host?> "
- "ttl=<ttl value>"
+ "ttl=<ttl value> "
+ "inhibit_auto_suspend=<always|never|only_with_non_monitor_sources>"
);
#define DEFAULT_PORT 46000
#define DEFAULT_TTL 1
#define SAP_PORT 9875
+#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
"rate",
"destination", /* Compatbility */
"destination_ip",
+ "source_ip",
"port",
"mtu" ,
"loop",
"ttl",
+ "inhibit_auto_suspend",
NULL
};
+enum inhibit_auto_suspend {
+ INHIBIT_AUTO_SUSPEND_ALWAYS,
+ INHIBIT_AUTO_SUSPEND_NEVER,
+ INHIBIT_AUTO_SUSPEND_ONLY_WITH_NON_MONITOR_SOURCES
+};
+
struct userdata {
pa_module *module;
size_t mtu;
pa_time_event *sap_event;
+
+ enum inhibit_auto_suspend inhibit_auto_suspend;
};
/* Called from I/O thread context */
}
/* Called from I/O thread context */
-static void source_output_push(pa_source_output *o, const pa_memchunk *chunk) {
+static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) {
struct userdata *u;
pa_source_output_assert_ref(o);
pa_assert_se(u = o->userdata);
pa_rtp_send(&u->rtp_context, u->mtu, u->memblockq);
}
+static pa_source_output_flags_t get_dont_inhibit_auto_suspend_flag(pa_source *source,
+ enum inhibit_auto_suspend inhibit_auto_suspend) {
+ pa_assert(source);
+
+ switch (inhibit_auto_suspend) {
+ case INHIBIT_AUTO_SUSPEND_ALWAYS:
+ return 0;
+
+ case INHIBIT_AUTO_SUSPEND_NEVER:
+ return PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND;
+
+ case INHIBIT_AUTO_SUSPEND_ONLY_WITH_NON_MONITOR_SOURCES:
+ return source->monitor_of ? 0 : PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND;
+ }
+
+ pa_assert_not_reached();
+}
+
+/* Called from the main thread. */
+static void source_output_moving_cb(pa_source_output *o, pa_source *dest) {
+ struct userdata *u;
+
+ pa_assert(o);
+
+ u = o->userdata;
+
+ if (!dest)
+ return;
+
+ o->flags &= ~PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND;
+ o->flags |= get_dont_inhibit_auto_suspend_flag(dest, u->inhibit_auto_suspend);
+}
+
/* Called from main context */
-static void source_output_kill(pa_source_output* o) {
+static void source_output_kill_cb(pa_source_output* o) {
struct userdata *u;
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);
struct userdata *u;
pa_modargs *ma = NULL;
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 dst_sa4, dst_sap_sa4;
+ struct sockaddr_in dst_sa4, dst_sap_sa4, src_sa4, src_sap_sa4;
#ifdef HAVE_IPV6
- struct sockaddr_in6 dst_sa6, dst_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;
+ enum inhibit_auto_suspend inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_ONLY_WITH_NON_MONITOR_SOURCES;
+ const char *inhibit_auto_suspend_str;
pa_source_output_new_data data;
pa_assert(m);
goto fail;
}
+ if ((inhibit_auto_suspend_str = pa_modargs_get_value(ma, "inhibit_auto_suspend", NULL))) {
+ if (pa_streq(inhibit_auto_suspend_str, "always"))
+ inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_ALWAYS;
+ else if (pa_streq(inhibit_auto_suspend_str, "never"))
+ inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_NEVER;
+ else if (pa_streq(inhibit_auto_suspend_str, "only_with_non_monitor_sources"))
+ inhibit_auto_suspend = INHIBIT_AUTO_SUSPEND_ONLY_WITH_NON_MONITOR_SOURCES;
+ else {
+ pa_log("Failed to parse the \"inhibit_auto_suspend\" parameter.");
+ goto fail;
+ }
+ }
+
ss = s->sample_spec;
pa_rtp_sample_spec_fixup(&ss);
cm = s->channel_map;
goto fail;
}
+ src_addr = pa_modargs_get_value(ma, "source_ip", DEFAULT_SOURCE_IP);
+
+ 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, 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 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
goto fail;
}
+ 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;
goto fail;
}
+ 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;
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.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;
+ data.flags |= get_dont_inhibit_auto_suspend_flag(s, inhibit_auto_suspend);
pa_source_output_new(&o, m->core, &data);
pa_source_output_new_data_done(&data);
}
o->parent.process_msg = source_output_process_msg;
- o->push = source_output_push;
- o->kill = source_output_kill;
+ o->push = source_output_push_cb;
+ o->moving = source_output_moving_cb;
+ o->kill = source_output_kill_cb;
pa_log_info("Configured source latency of %llu ms.",
(unsigned long long) pa_source_output_set_requested_latency(o, pa_bytes_to_usec(mtu, &o->sample_spec)) / PA_USEC_PER_MSEC);
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, dst_addr, 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);
u->sap_event = pa_core_rttime_new(m->core, pa_rtclock_now() + SAP_INTERVAL, sap_event_cb, u);
+ u->inhibit_auto_suspend = inhibit_auto_suspend;
pa_source_output_put(u->source_output);