mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-21 07:00:08 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

doc: move modules around to add to docs

Browse source
This commit is contained in:
Wim Taymans 2025-01-28 12:33:47 +01:00
parent 636c5373c7
commit 5765ac61ab
6 changed files with 41 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

31
src/modules/spa/meson.build
View file

@ -1,31 +0,0 @@
pipewire_module_spa_node = shared_library('pipewire-module-spa-node',
[ 'module-node.c', 'spa-node.c' ],
include_directories : [configinc],
install : true,
install_dir : modules_install_dir,
dependencies : [spa_dep, mathlib, dl_lib, pipewire_dep],
)
pipewire_module_spa_device = shared_library('pipewire-module-spa-device',
[ 'module-device.c', 'spa-device.c' ],
include_directories : [configinc],
install : true,
install_dir : modules_install_dir,
dependencies : [spa_dep, mathlib, dl_lib, pipewire_dep],
)
pipewire_module_spa_node_factory = shared_library('pipewire-module-spa-node-factory',
[ 'module-node-factory.c', 'spa-node.c' ],
include_directories : [configinc],
install : true,
install_dir : modules_install_dir,
dependencies : [spa_dep, mathlib, dl_lib, pipewire_dep],
)
pipewire_module_spa_device_factory = shared_library('pipewire-module-spa-device-factory',
[ 'module-device-factory.c', 'spa-device.c' ],
include_directories : [configinc],
install : true,
install_dir : modules_install_dir,
dependencies : [spa_dep, mathlib, dl_lib, pipewire_dep],
)

265
src/modules/spa/module-device-factory.c
View file

@ -1,265 +0,0 @@
/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <dlfcn.h>
#include "config.h"
#include <spa/utils/result.h>
#include "pipewire/impl.h"
#include "spa-device.h"
/** \page page_module_spa_device_factory SPA Device factory
*
* Provide a factory to create SPA devices.
*/
#define NAME "spa-device-factory"
PW_LOG_TOPIC_STATIC(mod_topic, "mod." NAME);
#define PW_LOG_TOPIC_DEFAULT mod_topic
#define FACTORY_USAGE SPA_KEY_FACTORY_NAME"=<factory-name> " \
"["SPA_KEY_LIBRARY_NAME"=<library-name>]"
static const struct spa_dict_item module_props[] = {
{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
{ PW_KEY_MODULE_DESCRIPTION, "Provide a factory to make SPA devices" },
{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
};
struct factory_data {
struct pw_context *context;
struct pw_impl_module *module;
struct spa_hook module_listener;
struct pw_impl_factory *factory;
struct spa_hook factory_listener;
struct spa_list device_list;
};
struct device_data {
struct spa_list link;
struct pw_impl_device *device;
struct spa_hook device_listener;
struct spa_hook resource_listener;
};
static void resource_destroy(void *data)
{
struct device_data *nd = data;
pw_log_debug("device %p", nd);
spa_hook_remove(&nd->resource_listener);
if (nd->device)
pw_impl_device_destroy(nd->device);
}
static const struct pw_resource_events resource_events = {
PW_VERSION_RESOURCE_EVENTS,
.destroy = resource_destroy
};
static void device_destroy(void *data)
{
struct device_data *nd = data;
spa_list_remove(&nd->link);
spa_hook_remove(&nd->device_listener);
nd->device = NULL;
}
static const struct pw_impl_device_events device_events = {
PW_VERSION_IMPL_DEVICE_EVENTS,
.destroy = device_destroy,
};
static void *create_object(void *_data,
struct pw_resource *resource,
const char *type,
uint32_t version,
struct pw_properties *properties,
uint32_t new_id)
{
struct factory_data *data = _data;
struct pw_context *context = data->context;
struct pw_impl_device *device;
const char *str;
char *factory_name = NULL;
struct device_data *nd;
struct pw_impl_client *client;
int res;
if (properties == NULL)
goto error_properties;
if ((str = pw_properties_get(properties, SPA_KEY_FACTORY_NAME)) == NULL)
goto error_properties;
if ((factory_name = strdup(str)) == NULL)
goto error_properties;
pw_properties_setf(properties, PW_KEY_FACTORY_ID, "%d",
pw_global_get_id(pw_impl_factory_get_global(data->factory)));
client = resource ? pw_resource_get_client(resource) : NULL;
if (client) {
pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
pw_global_get_id(pw_impl_client_get_global(client)));
}
device = pw_spa_device_load(context,
factory_name,
0,
properties,
sizeof(struct device_data));
if (device == NULL) {
res = -errno;
goto error_device;
}
nd = pw_spa_device_get_user_data(device);
nd->device = device;
spa_list_append(&data->device_list, &nd->link);
pw_impl_device_add_listener(device, &nd->device_listener, &device_events, nd);
if (client) {
struct pw_resource *bound_resource;
res = pw_global_bind(pw_impl_device_get_global(device),
client,
PW_PERM_ALL, version,
new_id);
if (res < 0)
goto error_bind;
if ((bound_resource = pw_impl_client_find_resource(client, new_id)) == NULL)
goto error_bind;
pw_resource_add_listener(bound_resource, &nd->resource_listener, &resource_events, nd);
}
free(factory_name);
return device;
error_properties:
res = -EINVAL;
pw_resource_errorf_id(resource, new_id, res, "usage: "FACTORY_USAGE);
goto error_exit_cleanup;
error_device:
pw_resource_errorf_id(resource, new_id, res,
"can't create device %s: %s", factory_name,
spa_strerror(res));
goto error_exit;
error_bind:
pw_resource_errorf_id(resource, new_id, res, "can't bind device");
pw_impl_device_destroy(device);
goto error_exit;
error_exit_cleanup:
pw_properties_free(properties);
error_exit:
free(factory_name);
errno = -res;
return NULL;
}
static const struct pw_impl_factory_implementation factory_impl = {
PW_VERSION_IMPL_FACTORY_IMPLEMENTATION,
.create_object = create_object,
};
static void factory_destroy(void *data)
{
struct factory_data *d = data;
struct device_data *nd;
spa_hook_remove(&d->factory_listener);
spa_list_consume(nd, &d->device_list, link)
pw_impl_device_destroy(nd->device);
d->factory = NULL;
if (d->module)
pw_impl_module_destroy(d->module);
}
static const struct pw_impl_factory_events factory_events = {
PW_VERSION_IMPL_FACTORY_EVENTS,
.destroy = factory_destroy,
};
static void module_destroy(void *data)
{
struct factory_data *d = data;
spa_hook_remove(&d->module_listener);
d->module = NULL;
if (d->factory)
pw_impl_factory_destroy(d->factory);
}
static void module_registered(void *data)
{
struct factory_data *d = data;
struct pw_impl_module *module = d->module;
struct pw_impl_factory *factory = d->factory;
struct spa_dict_item items[1];
char id[16];
int res;
snprintf(id, sizeof(id), "%d", pw_global_get_id(pw_impl_module_get_global(module)));
items[0] = SPA_DICT_ITEM_INIT(PW_KEY_MODULE_ID, id);
pw_impl_factory_update_properties(factory, &SPA_DICT_INIT(items, 1));
if ((res = pw_impl_factory_register(factory, NULL)) < 0) {
pw_log_error("%p: can't register factory: %s", factory, spa_strerror(res));
}
}
static const struct pw_impl_module_events module_events = {
PW_VERSION_IMPL_MODULE_EVENTS,
.destroy = module_destroy,
.registered = module_registered,
};
SPA_EXPORT
int pipewire__module_init(struct pw_impl_module *module, const char *args)
{
struct pw_context *context = pw_impl_module_get_context(module);
struct pw_impl_factory *factory;
struct factory_data *data;
PW_LOG_TOPIC_INIT(mod_topic);
factory = pw_context_create_factory(context,
"spa-device-factory",
PW_TYPE_INTERFACE_Device,
PW_VERSION_DEVICE,
NULL,
sizeof(*data));
if (factory == NULL)
return -errno;
data = pw_impl_factory_get_user_data(factory);
data->factory = factory;
data->module = module;
data->context = context;
spa_list_init(&data->device_list);
pw_impl_factory_add_listener(factory, &data->factory_listener, &factory_events, data);
pw_impl_factory_set_implementation(factory, &factory_impl, data);
pw_log_debug("module %p: new", module);
pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
return 0;
}

101
src/modules/spa/module-device.c
View file

@ -1,101 +0,0 @@
/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#include "config.h"
#include <errno.h>
#include <getopt.h>
#include <limits.h>
#include <pipewire/impl.h>
#include "spa-device.h"
/** \page page_module_spa_device SPA Device
*
* Load and manage an SPA device.
*/
#define NAME "spa-device"
PW_LOG_TOPIC_STATIC(mod_topic, "mod." NAME);
#define PW_LOG_TOPIC_DEFAULT mod_topic
#define MODULE_USAGE "<factory> [key=value ...]"
static const struct spa_dict_item module_props[] = {
{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
{ PW_KEY_MODULE_DESCRIPTION, "Load and manage an SPA device" },
{ PW_KEY_MODULE_USAGE, MODULE_USAGE },
{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
};
struct device_data {
struct pw_impl_device *this;
struct pw_context *context;
struct spa_hook module_listener;
};
static void module_destroy(void *_data)
{
struct device_data *data = _data;
spa_hook_remove(&data->module_listener);
pw_impl_device_destroy(data->this);
}
static const struct pw_impl_module_events module_events = {
PW_VERSION_IMPL_MODULE_EVENTS,
.destroy = module_destroy,
};
SPA_EXPORT
int pipewire__module_init(struct pw_impl_module *module, const char *args)
{
struct pw_properties *props = NULL;
spa_auto(pw_strv) argv = NULL;
int n_tokens;
struct pw_context *context = pw_impl_module_get_context(module);
struct pw_impl_device *device;
struct device_data *data;
PW_LOG_TOPIC_INIT(mod_topic);
if (args == NULL)
goto error_arguments;
argv = pw_split_strv(args, " \t", 2, &n_tokens);
if (n_tokens < 1)
goto error_arguments;
if (n_tokens == 2) {
props = pw_properties_new_string(argv[1]);
if (props == NULL)
return -errno;
}
device = pw_spa_device_load(context,
argv[0],
0,
props,
sizeof(struct device_data));
if (device == NULL)
return -errno;
data = pw_spa_device_get_user_data(device);
data->this = device;
data->context = context;
pw_log_debug("module %p: new", module);
pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
return 0;
error_arguments:
pw_log_error("usage: module-spa-device " MODULE_USAGE);
return -EINVAL;
}

373
src/modules/spa/module-node-factory.c
View file

@ -1,373 +0,0 @@
/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <dlfcn.h>
#include <spa/utils/result.h>
#include "config.h"
#include "pipewire/impl.h"
#include "spa-node.h"
/** \page page_module_spa_node_factory SPA Node factory
*
* Provide a factory to create SPA nodes.
*/
#define NAME "spa-node-factory"
PW_LOG_TOPIC_STATIC(mod_topic, "mod." NAME);
#define PW_LOG_TOPIC_DEFAULT mod_topic
#define FACTORY_USAGE SPA_KEY_FACTORY_NAME"=<factory-name> " \
"["SPA_KEY_LIBRARY_NAME"=<library-name>]"
static const struct spa_dict_item module_props[] = {
{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
{ PW_KEY_MODULE_DESCRIPTION, "Provide a factory to make SPA nodes" },
{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
};
struct factory_data {
struct pw_context *context;
struct pw_impl_module *module;
struct spa_hook module_listener;
struct pw_impl_factory *factory;
struct spa_hook factory_listener;
struct spa_list node_list;
};
struct node_data {
struct factory_data *data;
struct spa_list link;
struct pw_impl_node *node;
struct spa_hook node_listener;
struct pw_resource *resource;
struct spa_hook resource_listener;
unsigned int linger:1;
struct pw_core *core;
struct spa_hook core_listener;
struct spa_hook core_proxy_listener;
struct pw_proxy *proxy;
struct spa_hook proxy_listener;
};
static void proxy_removed(void *_data)
{
struct node_data *nd = _data;
pw_log_debug("%p: removed", nd);
pw_proxy_destroy(nd->proxy);
}
static void proxy_destroy(void *_data)
{
struct node_data *nd = _data;
pw_log_debug("%p: destroy", nd);
spa_hook_remove(&nd->proxy_listener);
nd->proxy = NULL;
if (nd->node)
pw_impl_node_destroy(nd->node);
}
static const struct pw_proxy_events proxy_events = {
PW_VERSION_PROXY_EVENTS,
.removed = proxy_removed,
.destroy = proxy_destroy,
};
static void core_error(void *data, uint32_t id, int seq, int res, const char *message)
{
struct node_data *nd = data;
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)
pw_impl_node_destroy(nd->node);
}
static const struct pw_core_events core_events = {
PW_VERSION_CORE_EVENTS,
.error = core_error,
};
static void core_removed(void *d)
{
struct node_data *nd = d;
pw_log_debug("%p: removed", nd);
spa_hook_remove(&nd->core_proxy_listener);
spa_hook_remove(&nd->core_listener);
nd->core = NULL;
if (nd->node)
pw_impl_node_destroy(nd->node);
}
static const struct pw_proxy_events core_proxy_events = {
.removed = core_removed,
};
static int export_node(struct node_data *nd, struct pw_properties *props)
{
const char *str;
str = pw_properties_get(props, PW_KEY_REMOTE_NAME);
nd->core = pw_context_connect(nd->data->context,
pw_properties_new(
PW_KEY_REMOTE_NAME, str,
NULL),
0);
if (nd->core == NULL) {
pw_log_error("can't connect: %m");
return -errno;
}
pw_proxy_add_listener((struct pw_proxy*)nd->core,
&nd->core_proxy_listener,
&core_proxy_events, nd);
pw_core_add_listener(nd->core,
&nd->core_listener,
&core_events, nd);
pw_log_debug("%p: export node %p", nd, nd->node);
nd->proxy = pw_core_export(nd->core,
PW_TYPE_INTERFACE_Node, NULL, nd->node, 0);
if (nd->proxy == NULL)
return -errno;
pw_proxy_add_listener(nd->proxy, &nd->proxy_listener, &proxy_events, nd);
return 0;
}
static void resource_destroy(void *data)
{
struct node_data *nd = data;
pw_log_debug("node %p", nd);
spa_hook_remove(&nd->resource_listener);
nd->resource = NULL;
if (nd->node && !nd->linger)
pw_impl_node_destroy(nd->node);
}
static const struct pw_resource_events resource_events = {
PW_VERSION_RESOURCE_EVENTS,
.destroy = resource_destroy
};
static void node_destroy(void *data)
{
struct node_data *nd = data;
pw_log_debug("node %p", nd);
spa_list_remove(&nd->link);
spa_hook_remove(&nd->node_listener);
nd->node = NULL;
if (nd->resource) {
spa_hook_remove(&nd->resource_listener);
nd->resource = NULL;
}
if (nd->core) {
pw_core_disconnect(nd->core);
nd->core = NULL;
}
}
static const struct pw_impl_node_events node_events = {
PW_VERSION_IMPL_NODE_EVENTS,
.destroy = node_destroy,
};
static void *create_object(void *_data,
struct pw_resource *resource,
const char *type,
uint32_t version,
struct pw_properties *properties,
uint32_t new_id)
{
struct factory_data *data = _data;
struct pw_context *context = data->context;
struct pw_impl_node *node;
const char *factory_name;
struct node_data *nd;
int res;
struct pw_impl_client *client;
bool linger;
spa_autoptr(pw_properties) copy = NULL;
if (properties == NULL)
goto error_properties;
factory_name = pw_properties_get(properties, SPA_KEY_FACTORY_NAME);
if (factory_name == NULL)
goto error_properties;
pw_properties_setf(properties, PW_KEY_FACTORY_ID, "%d",
pw_global_get_id(pw_impl_factory_get_global(data->factory)));
linger = pw_properties_get_bool(properties, PW_KEY_OBJECT_LINGER, false);
client = resource ? pw_resource_get_client(resource) : NULL;
if (client && !linger) {
pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
pw_global_get_id(pw_impl_client_get_global(client)));
}
copy = pw_properties_copy(properties);
node = pw_spa_node_load(context,
factory_name,
PW_SPA_NODE_FLAG_ACTIVATE,
spa_steal_ptr(properties),
sizeof(struct node_data));
if (node == NULL)
goto error_create_node;
nd = pw_spa_node_get_user_data(node);
nd->data = data;
nd->node = node;
nd->linger = linger;
spa_list_append(&data->node_list, &nd->link);
pw_impl_node_add_listener(node, &nd->node_listener, &node_events, nd);
if (client) {
res = pw_global_bind(pw_impl_node_get_global(node),
client, PW_PERM_ALL, version, new_id);
if (res < 0)
goto error_bind;
if ((nd->resource = pw_impl_client_find_resource(client, new_id)) == NULL)
goto error_bind;
pw_resource_add_listener(nd->resource, &nd->resource_listener, &resource_events, nd);
}
if (pw_properties_get_bool(copy, PW_KEY_OBJECT_EXPORT, false)) {
res = export_node(nd, copy);
if (res < 0)
goto error_export;
}
return node;
error_properties:
res = -EINVAL;
pw_resource_errorf_id(resource, new_id, res, "usage: "FACTORY_USAGE);
goto error_exit_cleanup;
error_create_node:
res = -errno;
pw_resource_errorf_id(resource, new_id, res,
"can't create node: %s", spa_strerror(res));
goto error_exit;
error_bind:
pw_resource_errorf_id(resource, new_id, res, "can't bind node");
pw_impl_node_destroy(node);
goto error_exit;
error_export:
pw_resource_errorf_id(resource, new_id, res, "can't export node");
pw_impl_node_destroy(node);
goto error_exit;
error_exit_cleanup:
pw_properties_free(properties);
error_exit:
errno = -res;
return NULL;
}
static const struct pw_impl_factory_implementation factory_impl = {
PW_VERSION_IMPL_FACTORY_IMPLEMENTATION,
.create_object = create_object,
};
static void factory_destroy(void *data)
{
struct factory_data *d = data;
struct node_data *nd;
spa_hook_remove(&d->factory_listener);
spa_list_consume(nd, &d->node_list, link)
pw_impl_node_destroy(nd->node);
d->factory = NULL;
if (d->module)
pw_impl_module_destroy(d->module);
}
static const struct pw_impl_factory_events factory_events = {
PW_VERSION_IMPL_FACTORY_EVENTS,
.destroy = factory_destroy,
};
static void module_destroy(void *data)
{
struct factory_data *d = data;
spa_hook_remove(&d->module_listener);
d->module = NULL;
if (d->factory)
pw_impl_factory_destroy(d->factory);
}
static void module_registered(void *data)
{
struct factory_data *d = data;
struct pw_impl_module *module = d->module;
struct pw_impl_factory *factory = d->factory;
struct spa_dict_item items[1];
char id[16];
int res;
snprintf(id, sizeof(id), "%d", pw_global_get_id(pw_impl_module_get_global(module)));
items[0] = SPA_DICT_ITEM_INIT(PW_KEY_MODULE_ID, id);
pw_impl_factory_update_properties(factory, &SPA_DICT_INIT(items, 1));
if ((res = pw_impl_factory_register(factory, NULL)) < 0) {
pw_log_error("%p: can't register factory: %s", factory, spa_strerror(res));
}
}
static const struct pw_impl_module_events module_events = {
PW_VERSION_IMPL_MODULE_EVENTS,
.destroy = module_destroy,
.registered = module_registered,
};
SPA_EXPORT
int pipewire__module_init(struct pw_impl_module *module, const char *args)
{
struct pw_context *context = pw_impl_module_get_context(module);
struct pw_impl_factory *factory;
struct factory_data *data;
PW_LOG_TOPIC_INIT(mod_topic);
factory = pw_context_create_factory(context,
"spa-node-factory",
PW_TYPE_INTERFACE_Node,
PW_VERSION_NODE,
NULL,
sizeof(*data));
if (factory == NULL)
return -errno;
data = pw_impl_factory_get_user_data(factory);
data->factory = factory;
data->context = context;
data->module = module;
spa_list_init(&data->node_list);
pw_impl_factory_add_listener(factory, &data->factory_listener, &factory_events, data);
pw_impl_factory_set_implementation(factory, &factory_impl, data);
pw_log_debug("module %p: new", module);
pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
return 0;
}

104
src/modules/spa/module-node.c
View file

@ -1,104 +0,0 @@
/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2016 Axis Communications <dev-gstreamer@axis.com> */
/* @author Linus Svensson <linus.svensson@axis.com> */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#include "config.h"
#include <errno.h>
#include <getopt.h>
#include <limits.h>
#include <pipewire/impl.h>
#include "spa-node.h"
/** \page page_module_spa_node SPA Node
*
* Load and manage an SPA node.
*/
#define NAME "spa-node"
PW_LOG_TOPIC_STATIC(mod_topic, "mod." NAME);
#define PW_LOG_TOPIC_DEFAULT mod_topic
#define MODULE_USAGE "<factory> [key=value ...]"
static const struct spa_dict_item module_props[] = {
{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
{ PW_KEY_MODULE_DESCRIPTION, "Load and manage an SPA node" },
{ PW_KEY_MODULE_USAGE, MODULE_USAGE },
{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
};
struct node_data {
struct pw_impl_node *this;
struct pw_context *context;
struct pw_properties *properties;
struct spa_hook module_listener;
};
static void module_destroy(void *_data)
{
struct node_data *data = _data;
spa_hook_remove(&data->module_listener);
pw_impl_node_destroy(data->this);
}
static const struct pw_impl_module_events module_events = {
PW_VERSION_IMPL_MODULE_EVENTS,
.destroy = module_destroy,
};
SPA_EXPORT
int pipewire__module_init(struct pw_impl_module *module, const char *args)
{
struct pw_properties *props = NULL;
spa_auto(pw_strv) argv = NULL;
int n_tokens;
struct pw_context *context = pw_impl_module_get_context(module);
struct pw_impl_node *node;
struct node_data *data;
PW_LOG_TOPIC_INIT(mod_topic);
if (args == NULL)
goto error_arguments;
argv = pw_split_strv(args, " \t", 2, &n_tokens);
if (n_tokens < 1)
goto error_arguments;
if (n_tokens == 2) {
props = pw_properties_new_string(argv[1]);
if (props == NULL)
return -errno;
}
node = pw_spa_node_load(context,
argv[0],
PW_SPA_NODE_FLAG_ACTIVATE,
props,
sizeof(struct node_data));
if (node == NULL)
return -errno;
data = pw_spa_node_get_user_data(node);
data->this = node;
data->context = context;
data->properties = props;
pw_log_debug("module %p: new", module);
pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
return 0;
error_arguments:
pw_log_error("usage: module-spa-node " MODULE_USAGE);
return -EINVAL;
}