mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
/* PipeWire */
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/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
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/* SPDX-License-Identifier: MIT */
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#include "config.h"
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#include <errno.h>
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#include <getopt.h>
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#include <limits.h>
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#include <pipewire/impl.h>
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#include "spa/spa-device.h"
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/** \page page_module_spa_device SPA Device
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*
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* Load and manage an SPA device.
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*/
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#define NAME "spa-device"
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PW_LOG_TOPIC_STATIC(mod_topic, "mod." NAME);
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#define PW_LOG_TOPIC_DEFAULT mod_topic
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#define MODULE_USAGE "<factory> [key=value ...]"
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static const struct spa_dict_item module_props[] = {
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{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
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{ PW_KEY_MODULE_DESCRIPTION, "Load and manage an SPA device" },
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{ PW_KEY_MODULE_USAGE, MODULE_USAGE },
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{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
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};
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struct device_data {
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struct pw_impl_device *this;
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struct pw_context *context;
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struct spa_hook module_listener;
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};
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static void module_destroy(void *_data)
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{
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struct device_data *data = _data;
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spa_hook_remove(&data->module_listener);
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pw_impl_device_destroy(data->this);
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}
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static const struct pw_impl_module_events module_events = {
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PW_VERSION_IMPL_MODULE_EVENTS,
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.destroy = module_destroy,
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};
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SPA_EXPORT
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int pipewire__module_init(struct pw_impl_module *module, const char *args)
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{
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struct pw_properties *props = NULL;
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spa_auto(pw_strv) argv = NULL;
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int n_tokens;
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struct pw_context *context = pw_impl_module_get_context(module);
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struct pw_impl_device *device;
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struct device_data *data;
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PW_LOG_TOPIC_INIT(mod_topic);
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if (args == NULL)
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goto error_arguments;
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argv = pw_split_strv(args, " \t", 2, &n_tokens);
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if (n_tokens < 1)
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goto error_arguments;
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if (n_tokens == 2) {
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props = pw_properties_new_string(argv[1]);
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if (props == NULL)
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return -errno;
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}
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device = pw_spa_device_load(context,
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argv[0],
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0,
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props,
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sizeof(struct device_data));
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if (device == NULL)
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return -errno;
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data = pw_spa_device_get_user_data(device);
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data->this = device;
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data->context = context;
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pw_log_debug("module %p: new", module);
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pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
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pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
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return 0;
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error_arguments:
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pw_log_error("usage: module-spa-device " MODULE_USAGE);
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return -EINVAL;
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}
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