pipewire/src/modules/spa/module-device.c
Wim Taymans 6756a3c8fc monitor: remove monitor API and use device
Remove the monitor API, we can use the device API for it. Make sure
we support creating devices (like alsa) from another device (udev).

Use new object.id to store the object id in the object properties. Use
the port.id/node.id etc to make relations to other objects.
2019-09-20 13:04:14 +02:00

127 lines
3.3 KiB
C

/* PipeWire
* 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/log.h>
#include <pipewire/module.h>
#include <pipewire/utils.h>
#include <pipewire/keys.h>
#include "spa-device.h"
#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_device *this;
struct pw_core *core;
struct spa_hook module_listener;
};
static void module_destroy(void *_data)
{
struct device_data *data = _data;
spa_hook_remove(&data->module_listener);
pw_device_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 = NULL;
int n_tokens;
struct pw_core *core = pw_module_get_core(module);
struct pw_device *device;
struct device_data *data;
int res;
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) {
res = -errno;
goto error_exit_cleanup;
}
}
device = pw_spa_device_load(core,
argv[0],
0,
props,
sizeof(struct device_data));
if (device == NULL) {
res = -errno;
goto error_exit_cleanup;
}
pw_free_strv(argv);
data = pw_spa_device_get_user_data(device);
data->this = device;
data->core = core;
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;
error_arguments:
res = -EINVAL;
pw_log_error("usage: module-spa-device " MODULE_USAGE);
goto error_exit_cleanup;
error_exit_cleanup:
if (argv)
pw_free_strv(argv);
return res;
}