diff --git a/src/modules/meson.build b/src/modules/meson.build index f39fdbc80..ce03d6a4a 100644 --- a/src/modules/meson.build +++ b/src/modules/meson.build @@ -131,25 +131,37 @@ if dbus_dep.found() pipewire_module_protocol_pulse_deps += dbus_dep endif +pipewire_module_protocol_pulse_sources = [ + 'module-protocol-pulse.c', + 'module-protocol-pulse/manager.c', + 'module-protocol-pulse/pulse-server.c', + 'module-protocol-pulse/modules/module-combine-sink.c', + 'module-protocol-pulse/modules/module-echo-cancel.c', + 'module-protocol-pulse/modules/module-ladspa-sink.c', + 'module-protocol-pulse/modules/module-ladspa-source.c', + 'module-protocol-pulse/modules/module-loopback.c', + 'module-protocol-pulse/modules/module-native-protocol-tcp.c', + 'module-protocol-pulse/modules/module-null-sink.c', + 'module-protocol-pulse/modules/module-pipe-sink.c', + 'module-protocol-pulse/modules/module-remap-sink.c', + 'module-protocol-pulse/modules/module-remap-source.c', + 'module-protocol-pulse/modules/module-simple-protocol-tcp.c', + 'module-protocol-pulse/modules/module-tunnel-sink.c', + 'module-protocol-pulse/modules/module-tunnel-source.c', + 'module-protocol-pulse/modules/module-zeroconf-discover.c', +] + +if avahi_dep.found() + pipewire_module_protocol_pulse_sources += [ + 'module-protocol-pulse/modules/module-zeroconf-publish.c', + 'module-zeroconf-discover/avahi-poll.c', + ] + pipewire_module_protocol_pulse_deps += avahi_dep + cdata.set('HAVE_AVAHI', 1) +endif + pipewire_module_protocol_pulse = shared_library('pipewire-module-protocol-pulse', - [ 'module-protocol-pulse.c', - 'module-protocol-pulse/manager.c', - 'module-protocol-pulse/pulse-server.c', - 'module-protocol-pulse/modules/module-combine-sink.c', - 'module-protocol-pulse/modules/module-echo-cancel.c', - 'module-protocol-pulse/modules/module-ladspa-sink.c', - 'module-protocol-pulse/modules/module-ladspa-source.c', - 'module-protocol-pulse/modules/module-loopback.c', - 'module-protocol-pulse/modules/module-native-protocol-tcp.c', - 'module-protocol-pulse/modules/module-null-sink.c', - 'module-protocol-pulse/modules/module-pipe-sink.c', - 'module-protocol-pulse/modules/module-remap-sink.c', - 'module-protocol-pulse/modules/module-remap-source.c', - 'module-protocol-pulse/modules/module-simple-protocol-tcp.c', - 'module-protocol-pulse/modules/module-tunnel-sink.c', - 'module-protocol-pulse/modules/module-tunnel-source.c', - 'module-protocol-pulse/modules/module-zeroconf-discover.c', - ], + pipewire_module_protocol_pulse_sources, include_directories : [configinc, spa_inc], install : true, install_dir : modules_install_dir, diff --git a/src/modules/module-protocol-pulse/module.c b/src/modules/module-protocol-pulse/module.c index 3e3271213..d4e694748 100644 --- a/src/modules/module-protocol-pulse/module.c +++ b/src/modules/module-protocol-pulse/module.c @@ -232,6 +232,9 @@ static const struct module_info module_list[] = { { "module-tunnel-sink", create_module_tunnel_sink, }, { "module-tunnel-source", create_module_tunnel_source, }, { "module-zeroconf-discover", create_module_zeroconf_discover, }, +#ifdef HAVE_AVAHI + { "module-zeroconf-publish", create_module_zeroconf_publish, }, +#endif { NULL, } }; diff --git a/src/modules/module-protocol-pulse/modules/module-zeroconf-publish.c b/src/modules/module-protocol-pulse/modules/module-zeroconf-publish.c new file mode 100644 index 000000000..36c63bfdd --- /dev/null +++ b/src/modules/module-protocol-pulse/modules/module-zeroconf-publish.c @@ -0,0 +1,687 @@ +/* PipeWire + * + * Copyright © 2021 Wim Taymans + * Copyright © 2021 Sanchayan Maity + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include + +#include "../collect.h" +#include "../defs.h" +#include "../manager.h" +#include "../module.h" +#include "../pulse-server.h" +#include "registry.h" +#include "sys/utsname.h" + +#include "../../module-zeroconf-discover/avahi-poll.h" +#include +#include +#include +#include +#include + +#define SERVICE_TYPE_SINK "_pulse-sink._tcp" +#define SERVICE_TYPE_SOURCE "_pulse-source._tcp" +#define SERVICE_TYPE_SERVER "_pulse-server._tcp" +#define SERVICE_SUBTYPE_SINK_HARDWARE "_hardware._sub."SERVICE_TYPE_SINK +#define SERVICE_SUBTYPE_SINK_VIRTUAL "_virtual._sub."SERVICE_TYPE_SINK +#define SERVICE_SUBTYPE_SOURCE_HARDWARE "_hardware._sub."SERVICE_TYPE_SOURCE +#define SERVICE_SUBTYPE_SOURCE_VIRTUAL "_virtual._sub."SERVICE_TYPE_SOURCE +#define SERVICE_SUBTYPE_SOURCE_MONITOR "_monitor._sub."SERVICE_TYPE_SOURCE +#define SERVICE_SUBTYPE_SOURCE_NON_MONITOR "_non-monitor._sub."SERVICE_TYPE_SOURCE + +enum service_subtype { + SUBTYPE_HARDWARE, + SUBTYPE_VIRTUAL, + SUBTYPE_MONITOR +}; + +struct service { + void *key; + + struct module_zeroconf_publish_data *userdata; + AvahiEntryGroup *entry_group; + char *service_name; + const char *service_type; + enum service_subtype subtype; + + char *name; + bool is_sink; + + struct sample_spec ss; + struct channel_map cm; + struct pw_properties *props; +}; + +struct module_zeroconf_publish_data { + struct module *module; + + struct pw_core *core; + struct pw_manager *manager; + + struct spa_hook core_listener; + struct spa_hook manager_listener; + + unsigned int port; + + AvahiPoll *avahi_poll; + AvahiClient *client; + bool entry_group_free; +}; + +static void on_core_error(void *data, uint32_t id, int seq, int res, const char *message) +{ + struct module_zeroconf_publish_data *d = data; + struct module *module = d->module; + + pw_log_error("error id:%u seq:%d res:%d (%s): %s", + id, seq, res, spa_strerror(res), message); + + if (id == PW_ID_CORE && res == -EPIPE) + module_schedule_unload(module); +} + +static const struct pw_core_events core_events = { + PW_VERSION_CORE_EVENTS, + .error = on_core_error, +}; + +static char *get_service_name(struct pw_manager_object *o) +{ + const char *hn, *un, *n; + char *service_name; + + hn = pw_get_host_name(); + un = pw_get_user_name(); + n = pw_properties_get(o->props, PW_KEY_NODE_DESCRIPTION); + + service_name = calloc(1, AVAHI_LABEL_MAX - 1); + snprintf(service_name, AVAHI_LABEL_MAX - 1, "%s@%s: %s", un, hn, n); + + return service_name; +} + +static int service_free(void *d, struct pw_manager_object *o) { + struct service *s; + char *service_name; + + if (!pw_manager_object_is_sink(o) && !pw_manager_object_is_source(o)) + return 0; + + service_name = get_service_name(o); + + s = pw_manager_object_add_data(o, service_name, sizeof(struct service)); + if (s == NULL) { + pw_log_error("Could not find service %s to remove", service_name); + free(service_name); + return 0; + } + free(service_name); + spa_assert(s); + + if (s->entry_group) { + pw_log_debug("Removing entry group for %s.", s->service_name); + avahi_entry_group_free(s->entry_group); + } + + if (s->service_name) { + pw_log_debug("Removing service: %s", s->service_name); + free(s->service_name); + } + + if (s->name) { + pw_log_debug("Removing service for node: %s", s->name); + free(s->name); + } + + if (s->props) + pw_properties_free(s->props); + + return 0; +} + +static int unpublish_service(void *data, struct pw_manager_object *o) { + struct module_zeroconf_publish_data *d = data; + struct service *s; + char *service_name; + + if (!pw_manager_object_is_sink(o) && !pw_manager_object_is_source(o)) + return 0; + + service_name = get_service_name(o); + + s = pw_manager_object_add_data(o, service_name, sizeof(struct service)); + if (s == NULL) { + pw_log_error("Could not find service %s to remove", service_name); + free(service_name); + return 0; + } + free(service_name); + spa_assert(s); + + if (s->entry_group) { + if (d->entry_group_free) { + pw_log_debug("Removing entry group for %s.", s->service_name); + avahi_entry_group_free(s->entry_group); + s->entry_group = NULL; + } else { + avahi_entry_group_reset(s->entry_group); + pw_log_debug("Resetting entry group for %s.", s->service_name); + } + } + + return 0; +} + +static void unpublish_all_services(struct module_zeroconf_publish_data *d, bool entry_group_free) +{ + d->entry_group_free = entry_group_free; + pw_manager_for_each_object(d->manager, unpublish_service, d); +} + +static char* channel_map_snprint(char *s, size_t l, const struct channel_map *map) +{ + unsigned channel; + bool first = true; + char *e; + + spa_assert(s); + spa_assert(l > 0); + spa_assert(map); + + if (!channel_map_valid(map)) { + snprintf(s, l, "(invalid)"); + return s; + } + + *(e = s) = 0; + + for (channel = 0; channel < map->channels && l > 1; channel++) { + l -= snprintf(e, l, "%s%s", + first ? "" : ",", + channel_id2name(channel_pa2id(map->map[channel]))); + + e = strchr(e, 0); + first = false; + } + + return s; +} + +static void get_service_data(struct module_zeroconf_publish_data *d, + struct service *s, struct pw_manager_object *o) +{ + bool is_sink = pw_manager_object_is_sink(o); + bool is_source = pw_manager_object_is_source(o); + struct pw_node_info *info = o->info; + const char *name, *desc, *str; + uint32_t card_id = SPA_ID_INVALID; + struct pw_manager *manager = d->manager; + struct pw_manager_object *card = NULL; + struct card_info card_info = CARD_INFO_INIT; + struct device_info dev_info = is_sink ? + DEVICE_INFO_INIT(PW_DIRECTION_OUTPUT) : DEVICE_INFO_INIT(PW_DIRECTION_INPUT); + uint32_t flags = 0; + + if (info == NULL || info->props == NULL) + return; + + name = spa_dict_lookup(info->props, PW_KEY_NODE_NAME); + if ((desc = spa_dict_lookup(info->props, PW_KEY_NODE_DESCRIPTION)) == NULL) + desc = name ? name : "Unknown"; + if (name == NULL) + name = "unknown"; + + if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_ID)) != NULL) + card_id = (uint32_t)atoi(str); + if ((str = spa_dict_lookup(info->props, "card.profile.device")) != NULL) + dev_info.device = (uint32_t)atoi(str); + if (card_id != SPA_ID_INVALID) { + struct selector sel = { .id = card_id, .type = pw_manager_object_is_card, }; + card = select_object(manager, &sel); + } + if (card) + collect_card_info(card, &card_info); + + collect_device_info(o, card, &dev_info, false); + + if ((str = spa_dict_lookup(info->props, PW_KEY_DEVICE_API)) != NULL) { + if (pw_manager_object_is_sink(o)) + flags |= SINK_HARDWARE; + else if (pw_manager_object_is_source(o)) + flags |= SOURCE_HARDWARE; + } + + if (is_sink) { + s->is_sink = true; + s->service_type = SERVICE_TYPE_SINK; + s->ss = dev_info.ss; + s->cm = dev_info.map; + s->name = strdup(name); + s->props = pw_properties_copy(o->props); + s->subtype = flags & SINK_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL; + } else if (is_source) { + s->is_sink = false; + s->service_type = SERVICE_TYPE_SOURCE; + s->name = strdup(name); + s->props = pw_properties_copy(o->props); + s->subtype = flags & SOURCE_HARDWARE ? SUBTYPE_HARDWARE : SUBTYPE_VIRTUAL; + } else + spa_assert_not_reached(); +} + +static struct service *get_service(struct module_zeroconf_publish_data *d, struct pw_manager_object *o) +{ + struct service *s; + char *service_name; + + service_name = get_service_name(o); + + s = pw_manager_object_add_data(o, service_name, sizeof(struct service)); + spa_assert(s); + + s->key = o; + s->userdata = d; + s->entry_group = NULL; + s->service_name = service_name; + + get_service_data(d, s, o); + + return s; +} + +static AvahiStringList* txt_record_server_data(struct pw_core_info *info, AvahiStringList *l) +{ + const char *t; + struct utsname u; + static char sysname[256]; + + spa_assert(info); + spa_assert(uname(&u) >= 0); + + l = avahi_string_list_add_pair(l, "server-version", PACKAGE_NAME" "PACKAGE_VERSION); + + t = pw_get_user_name(); + l = avahi_string_list_add_pair(l, "user-name", t); + + snprintf(sysname, sizeof(sysname), "%s %s %s", u.sysname, u.machine, u.release); + l = avahi_string_list_add_pair(l, "uname", sysname); + + t = pw_get_host_name(); + l = avahi_string_list_add_pair(l, "fqdn", t); + l = avahi_string_list_add_printf(l, "cookie=0x%08x", info->cookie); + + return l; +} + +static void publish_service(struct service *s); + +static void service_entry_group_callback(AvahiEntryGroup *g, AvahiEntryGroupState state, void *userdata) +{ + struct service *s = userdata; + + spa_assert(s); + + switch (state) { + case AVAHI_ENTRY_GROUP_ESTABLISHED: + pw_log_info("Successfully established service %s.", s->service_name); + break; + + case AVAHI_ENTRY_GROUP_COLLISION: + char *t; + + t = avahi_alternative_service_name(s->service_name); + pw_log_info("Name collision, renaming %s to %s.", s->service_name, t); + free(s->service_name); + s->service_name = t; + + publish_service(s); + break; + + case AVAHI_ENTRY_GROUP_FAILURE: + pw_log_error("Failed to register service: %s", + avahi_strerror(avahi_client_errno(avahi_entry_group_get_client(g)))); + avahi_entry_group_free(g); + s->entry_group = NULL; + break; + + case AVAHI_ENTRY_GROUP_UNCOMMITED: + case AVAHI_ENTRY_GROUP_REGISTERING: + break; + } +} + +#define PA_CHANNEL_MAP_SNPRINT_MAX 336 + +static void publish_service(struct service *s) +{ + AvahiStringList *txt = NULL; + const char *t; + char cm[PA_CHANNEL_MAP_SNPRINT_MAX]; + + const char * const subtype_text[] = { + [SUBTYPE_HARDWARE] = "hardware", + [SUBTYPE_VIRTUAL] = "virtual", + [SUBTYPE_MONITOR] = "monitor" + }; + + spa_assert(s); + + if (!s->userdata->client || avahi_client_get_state(s->userdata->client) != AVAHI_CLIENT_S_RUNNING) + return; + + if (!s->entry_group) { + if (!(s->entry_group = + avahi_entry_group_new(s->userdata->client, service_entry_group_callback, s))) { + pw_log_error("avahi_entry_group_new(): %s", + avahi_strerror(avahi_client_errno(s->userdata->client))); + goto finish; + } + } else + avahi_entry_group_reset(s->entry_group); + + txt = txt_record_server_data(s->userdata->manager->info, txt); + + txt = avahi_string_list_add_pair(txt, "device", s->name); + txt = avahi_string_list_add_printf(txt, "rate=%u", s->ss.rate); + txt = avahi_string_list_add_printf(txt, "channels=%u", s->ss.channels); + txt = avahi_string_list_add_pair(txt, "format", format_id2name(s->ss.format)); + txt = avahi_string_list_add_pair(txt, "channel_map", channel_map_snprint(cm, sizeof(cm), &s->cm)); + txt = avahi_string_list_add_pair(txt, "subtype", subtype_text[s->subtype]); + + if ((t = pw_properties_get(s->props, PW_KEY_NODE_DESCRIPTION))) + txt = avahi_string_list_add_pair(txt, "description", t); + if ((t = pw_properties_get(s->props, PW_KEY_DEVICE_VENDOR_NAME))) + txt = avahi_string_list_add_pair(txt, "vendor-name", t); + if ((t = pw_properties_get(s->props, PW_KEY_DEVICE_PRODUCT_NAME))) + txt = avahi_string_list_add_pair(txt, "product-name", t); + if ((t = pw_properties_get(s->props, PW_KEY_DEVICE_CLASS))) + txt = avahi_string_list_add_pair(txt, "class", t); + if ((t = pw_properties_get(s->props, PW_KEY_DEVICE_FORM_FACTOR))) + txt = avahi_string_list_add_pair(txt, "form-factor", t); + if ((t = pw_properties_get(s->props, PW_KEY_DEVICE_ICON_NAME))) + txt = avahi_string_list_add_pair(txt, "icon-name", t); + + if (avahi_entry_group_add_service_strlst( + s->entry_group, + AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, + 0, + s->service_name, + s->service_type, + NULL, + NULL, + s->userdata->port, + txt) < 0) { + pw_log_error("avahi_entry_group_add_service_strlst(): %s", + avahi_strerror(avahi_client_errno(s->userdata->client))); + goto finish; + } + + if (avahi_entry_group_add_service_subtype( + s->entry_group, + AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, + 0, + s->service_name, + s->service_type, + NULL, + s->is_sink ? (s->subtype == SUBTYPE_HARDWARE ? SERVICE_SUBTYPE_SINK_HARDWARE : SERVICE_SUBTYPE_SINK_VIRTUAL) : + (s->subtype == SUBTYPE_HARDWARE ? SERVICE_SUBTYPE_SOURCE_HARDWARE : (s->subtype == SUBTYPE_VIRTUAL ? SERVICE_SUBTYPE_SOURCE_VIRTUAL : SERVICE_SUBTYPE_SOURCE_MONITOR))) < 0) { + + pw_log_error("avahi_entry_group_add_service_subtype(): %s", + avahi_strerror(avahi_client_errno(s->userdata->client))); + goto finish; + } + + if (!s->is_sink && s->subtype != SUBTYPE_MONITOR) { + if (avahi_entry_group_add_service_subtype( + s->entry_group, + AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, + 0, + s->service_name, + SERVICE_TYPE_SOURCE, + NULL, + SERVICE_SUBTYPE_SOURCE_NON_MONITOR) < 0) { + pw_log_error("avahi_entry_group_add_service_subtype(): %s", + avahi_strerror(avahi_client_errno(s->userdata->client))); + goto finish; + } + } + + if (avahi_entry_group_commit(s->entry_group) < 0) { + pw_log_error("avahi_entry_group_commit(): %s", + avahi_strerror(avahi_client_errno(s->userdata->client))); + goto finish; + } + + pw_log_info("Successfully created entry group for %s.", s->service_name); + +finish: + avahi_string_list_free(txt); +} + +static void client_callback(AvahiClient *c, AvahiClientState state, void *d) +{ + struct module_zeroconf_publish_data *data = d; + + spa_assert(c); + spa_assert(data); + + data->client = c; + + switch (state) { + case AVAHI_CLIENT_S_RUNNING: + break; + case AVAHI_CLIENT_S_COLLISION: + pw_log_error("Host name collision"); + unpublish_all_services(d, false); + break; + case AVAHI_CLIENT_FAILURE: + if (avahi_client_errno(c) == AVAHI_ERR_DISCONNECTED) { + int error; + + pw_log_debug("Avahi daemon disconnected."); + + unpublish_all_services(d, true); + avahi_client_free(data->client); + + if (!(data->client = avahi_client_new(data->avahi_poll, + AVAHI_CLIENT_NO_FAIL, client_callback, data, &error))) { + pw_log_error("avahi_client_new() failed: %s", + avahi_strerror(error)); + module_schedule_unload(data->module); + } + } + break; + default: + break; +} +} + +static void manager_updated(void *d, struct pw_manager_object *o) +{ + struct service *s; + char *service_name; + + if (!pw_manager_object_is_sink(o) && !pw_manager_object_is_source(o)) + return; + + service_name = get_service_name(o); + + s = pw_manager_object_add_data(o, service_name, sizeof(struct service)); + + free(service_name); + spa_assert(s); + + publish_service(s); +} + +static void manager_removed(void *d, struct pw_manager_object *o) +{ + if (!pw_manager_object_is_sink(o) && !pw_manager_object_is_source(o)) + return; + + service_free(d, o); +} + +static void manager_added(void *d, struct pw_manager_object *o) +{ + struct service *s; + + if (!pw_manager_object_is_sink(o) && !pw_manager_object_is_source(o)) + return; + + s = get_service(d, o); + + publish_service(s); +} + +static const struct pw_manager_events manager_events = { + PW_VERSION_MANAGER_EVENTS, + .added = manager_added, + .updated = manager_updated, + .removed = manager_removed, +}; + +static int module_zeroconf_publish_load(struct client *client, struct module *module) +{ + struct module_zeroconf_publish_data *data = module->user_data; + struct pw_loop *loop; + int error; + + data->core = pw_context_connect(module->impl->context, + pw_properties_copy(client->props), 0); + if (data->core == NULL) { + pw_log_error("Failed to connect to pipewire context"); + return -errno; + } + + pw_core_add_listener(data->core, + &data->core_listener, + &core_events, data); + + loop = pw_context_get_main_loop(module->impl->context); + data->avahi_poll = pw_avahi_poll_new(loop); + + data->client = avahi_client_new(data->avahi_poll, AVAHI_CLIENT_NO_FAIL, + client_callback, data, &error); + if (!data->client) { + pw_log_error("avahi_client_new() failed: %s", avahi_strerror(error)); + pw_avahi_poll_free(data->avahi_poll); + return -errno; + } + + data->manager = pw_manager_new(data->core); + if (client->manager == NULL) { + pw_log_error("Failed to create pipewire manager"); + avahi_client_free(data->client); + pw_avahi_poll_free(data->avahi_poll); + return -errno; + } + + pw_manager_add_listener(data->manager, &data->manager_listener, + &manager_events, data); + + pw_log_info("loaded module %p id:%u name:%s", module, module->idx, module->name); + module_emit_loaded(module, 0); + + return 0; +} + +static int module_zeroconf_publish_unload(struct client *client, struct module *module) +{ + struct module_zeroconf_publish_data *d = module->user_data; + + pw_log_info("unload module %p id:%u name:%s", module, module->idx, module->name); + + pw_manager_for_each_object(d->manager, service_free, d); + + if (d->client) + avahi_client_free(d->client); + + if (d->avahi_poll) + pw_avahi_poll_free(d->avahi_poll); + + if (d->manager != NULL) { + spa_hook_remove(&d->manager_listener); + pw_manager_destroy(d->manager); + } + + if (d->core != NULL) { + spa_hook_remove(&d->core_listener); + pw_core_disconnect(d->core); + } + + return 0; +} + +static const struct module_methods module_zeroconf_publish_methods = { + VERSION_MODULE_METHODS, + .load = module_zeroconf_publish_load, + .unload = module_zeroconf_publish_unload, +}; + +static const struct spa_dict_item module_zeroconf_publish_info[] = { + { PW_KEY_MODULE_AUTHOR, "Sanchayan Maity " }, + { PW_KEY_MODULE_VERSION, PACKAGE_VERSION }, +}; + +struct module *create_module_zeroconf_publish(struct impl *impl, const char *argument) +{ + struct module *module; + struct module_zeroconf_publish_data *d; + struct pw_properties *props = NULL; + const char *port; + int res; + + props = pw_properties_new_dict(&SPA_DICT_INIT_ARRAY(module_zeroconf_publish_info)); + if (!props) { + res = -errno; + goto out; + } + if (argument) + module_args_add_props(props, argument); + + module = module_new(impl, &module_zeroconf_publish_methods, sizeof(*d)); + if (module == NULL) { + res = -errno; + goto out; + } + + module->props = props; + d = module->user_data; + d->module = module; + + if ((port = pw_properties_get(props, "port")) == NULL) + d->port = PW_PROTOCOL_PULSE_DEFAULT_PORT; + else + d->port = atoi(port); + + + return module; +out: + pw_properties_free(props); + errno = -res; + return NULL; +} diff --git a/src/modules/module-protocol-pulse/modules/registry.h b/src/modules/module-protocol-pulse/modules/registry.h index 1612ae871..18c82d570 100644 --- a/src/modules/module-protocol-pulse/modules/registry.h +++ b/src/modules/module-protocol-pulse/modules/registry.h @@ -42,5 +42,6 @@ struct module *create_module_tunnel_source(struct impl *impl, const char *argume struct module *create_module_simple_protocol_tcp(struct impl *impl, const char *argument); struct module *create_module_pipe_sink(struct impl *impl, const char *argument); struct module *create_module_zeroconf_discover(struct impl *impl, const char *argument); +struct module *create_module_zeroconf_publish(struct impl *impl, const char *argument); #endif