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module-rtp: improve session setup

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This commit is contained in:
Wim Taymans 2023-03-01 12:57:57 +01:00
parent 94b67603e5
commit 4ee9696548
1 changed files with 36 additions and 31 deletions
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57
src/modules/module-rtp-session.c
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@ -344,6 +344,7 @@ static void session_establish(struct session *sess)
case SESSION_STATE_INIT:
/* we initiate */
sess->we_initiated = true;
pw_log_info("start session initiator:%08x", sess->initiator);
if (!sess->ctrl_ready)
send_apple_midi_cmd_in(sess, true);
else if (!sess->data_ready)
@ -364,6 +365,7 @@ static void session_stop(struct session *sess)
{
if (!sess->we_initiated)
return;
pw_log_info("stop session initiator:%08x", sess->initiator);
if (sess->ctrl_ready)
send_apple_midi_cmd_by(sess, true);
if (sess->data_ready)
@ -379,8 +381,6 @@ static void send_state_changed(void *data, bool started, const char *error)
{
struct session *sess = data;
pw_log_info("send initiator:%08x state %d", sess->initiator, started);
if (started) {
sess->sending = true;
session_establish(sess);
@ -607,7 +607,7 @@ static void parse_apple_midi_cmd_in(struct impl *impl, bool ctrl, uint8_t *buffe
pw_log_warn("receive data IN from nonexisting session %08x", initiator);
success = false;
} else {
pw_log_info("got data IN request %08x", initiator);
pw_log_info("got data IN request %08x, session established", initiator);
sess->remote_ssrc = ssrc;
sess->data_addr = *sa;
sess->data_len = salen;
@ -658,7 +658,7 @@ static void parse_apple_midi_cmd_ok(struct impl *impl, bool ctrl, uint8_t *buffe
if (!sess->data_ready)
send_apple_midi_cmd_in(sess, false);
} else {
pw_log_info("got data OK %08x", initiator);
pw_log_info("got data OK %08x, session established", initiator);
sess->remote_ssrc = ntohl(hdr->ssrc);
sess->data_ready = true;
sess->state = SESSION_STATE_ESTABLISHED;
@ -725,7 +725,7 @@ static void parse_apple_midi_cmd_by(struct impl *impl, bool ctrl, uint8_t *buffe
struct session *sess;
sess = find_session_by_initiator(impl, initiator);
if (sess == NULL) {
if (sess == NULL || sess->we_initiated) {
pw_log_warn("received BY from nonexisting initiator %08x", initiator);
return;
}
@ -734,8 +734,9 @@ static void parse_apple_midi_cmd_by(struct impl *impl, bool ctrl, uint8_t *buffe
pw_log_info("got ctrl BY %08x %d", initiator, sess->data_ready);
sess->ctrl_ready = false;
} else {
pw_log_info("got data BY %08x", initiator);
pw_log_info("got data BY %08x, session init", initiator);
sess->data_ready = false;
sess->state = SESSION_STATE_INIT;
}
}
@ -1092,7 +1093,7 @@ static struct service *make_service(struct impl *impl, const struct service_info
s->info.port = info->port;
avahi_address_snprint(at, sizeof(at), &s->info.address);
pw_log_info("create session: %s %s:%u", s->info.name, at, s->info.port);
pw_log_info("create session: %s %s:%u %s", s->info.name, at, s->info.port, s->info.type);
pw_properties_set(props, "sess.name", s->info.name);
pw_properties_setf(props, "node.name", "%s (%s IP%d)",
@ -1223,12 +1224,28 @@ static void browser_cb(AvahiServiceBrowser *b, AvahiIfIndex interface, AvahiProt
}
}
static const char *get_service_name(struct impl *impl)
{
const char *str;
str = pw_properties_get(impl->props, "rtp.media");
if (spa_streq(str, "midi"))
return "_apple-midi._udp";
else if (spa_streq(str, "audio"))
return "_pipewire-audio._udp";
return NULL;
}
static int make_browser(struct impl *impl)
{
const char *service_name;
if ((service_name = get_service_name(impl)) == NULL)
return -ENOTSUP;
if (impl->browser == NULL) {
impl->browser = avahi_service_browser_new(impl->client,
AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
"_apple-midi._udp", NULL, 0,
service_name, NULL, 0,
browser_cb, impl);
}
if (impl->browser == NULL) {
@ -1261,6 +1278,10 @@ static void entry_group_callback(AvahiEntryGroup *g, AvahiEntryGroupState state,
static int make_announce(struct impl *impl)
{
int res;
const char *service_name;
if ((service_name = get_service_name(impl)) == NULL)
return -ENOTSUP;
if (impl->group == NULL) {
impl->group = avahi_entry_group_new(impl->client,
@ -1276,8 +1297,9 @@ static int make_announce(struct impl *impl)
res = avahi_entry_group_add_service(impl->group,
AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
(AvahiPublishFlags)0, impl->session_name,
"_apple-midi._udp", NULL, NULL,
service_name, NULL, NULL,
impl->ctrl_port, NULL);
if (res < 0) {
pw_log_error("can't add service: %s",
avahi_strerror(avahi_client_errno(impl->client)));
@ -1327,7 +1349,6 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
struct pw_properties *props = NULL, *stream_props = NULL;
uint32_t id = pw_global_get_id(pw_impl_module_get_global(module));
uint32_t pid = getpid();
char addr[64];
uint16_t port;
const char *str;
int res = 0;
@ -1428,22 +1449,6 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
str = pw_properties_get(props, "sess.name");
impl->session_name = str ? strdup(str) : NULL;
pw_properties_set(stream_props, "rtp.session", impl->session_name);
get_ip(&impl->ctrl_addr, addr, sizeof(addr), &impl->ctrl_port);
pw_properties_set(stream_props, "rtp.control.ip", addr);
pw_properties_setf(stream_props, "rtp.control.port", "%u", impl->ctrl_port);
pw_properties_setf(stream_props, "rtp.mtu", "%u", impl->mtu);
pw_properties_setf(stream_props, "rtp.ttl", "%u", impl->ttl);
if ((str = pw_properties_get(props, "rtp.media")) != NULL)
pw_properties_set(stream_props, "rtp.media", str);
if ((str = pw_properties_get(props, "sess.min-ptime")) != NULL)
pw_properties_set(stream_props, "rtp.min-ptime", str);
if ((str = pw_properties_get(props, "sess.max-ptime")) != NULL)
pw_properties_set(stream_props, "rtp.max-ptime", str);
if (impl->ts_refclk != NULL)
pw_properties_set(stream_props, "rtp.ts-refclk", impl->ts_refclk);
impl->core = pw_context_get_object(impl->context, PW_TYPE_INTERFACE_Core);
if (impl->core == NULL) {
str = pw_properties_get(props, PW_KEY_REMOTE_NAME);