pipewire/src/modules/spa/module-node.c
Wim Taymans 3ad73f0532 keys: add keys.h with defines and docs
Add a keys.h file that lists and documents all keys available to
be used in properties.
2019-05-24 15:47:48 +02:00

121 lines
3.3 KiB
C

/* PipeWire
* Copyright © 2016 Axis Communications <dev-gstreamer@axis.com>
* @author Linus Svensson <linus.svensson@axis.com>
* Copyright © 2018 Wim Taymans
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <getopt.h>
#include <limits.h>
#include <pipewire/core.h>
#include <pipewire/keys.h>
#include <pipewire/log.h>
#include <pipewire/module.h>
#include <pipewire/utils.h>
#include "spa-monitor.h"
#include "spa-node.h"
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_VERSION, PACKAGE_VERSION },
};
struct node_data {
struct pw_node *this;
struct pw_core *core;
struct pw_properties *properties;
struct spa_hook module_listener;
};
static void module_destroy(void *_data)
{
struct node_data *data = _data;
pw_node_destroy(data->this);
}
static const struct pw_module_events module_events = {
PW_VERSION_MODULE_EVENTS,
.destroy = module_destroy,
};
SPA_EXPORT
int pipewire__module_init(struct pw_module *module, const char *args)
{
struct pw_properties *props = NULL;
char **argv;
int n_tokens;
struct pw_core *core = pw_module_get_core(module);
struct pw_node *node;
struct node_data *data;
if (args == NULL)
goto wrong_arguments;
argv = pw_split_strv(args, " \t", 4, &n_tokens);
if (n_tokens < 3)
goto not_enough_arguments;
if (n_tokens == 4) {
props = pw_properties_new_string(argv[3]);
if (props == NULL)
return -ENOMEM;
}
node = pw_spa_node_load(core,
NULL,
pw_module_get_global(module),
argv[0], argv[1], argv[2],
PW_SPA_NODE_FLAG_ACTIVATE,
props,
sizeof(struct node_data));
pw_free_strv(argv);
if (node == NULL)
return -ENOMEM;
data = pw_spa_node_get_user_data(node);
data->this = node;
data->core = core;
data->properties = props;
pw_log_debug("module %p: new", module);
pw_module_add_listener(module, &data->module_listener, &module_events, data);
pw_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
return 0;
not_enough_arguments:
pw_free_strv(argv);
wrong_arguments:
pw_log_error("usage: module-spa-node <plugin> <factory> <name> [key=value ...]");
return -EINVAL;
}