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/* 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.
*/
#include "config.h"
#include <errno.h>
#include <getopt.h>
#include <limits.h>
#include <pipewire/impl.h>
#include "spa-device.h"
#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;
char **argv = NULL;
int n_tokens;
struct pw_context *context = pw_impl_module_get_context(module);
struct pw_impl_device *device;
struct device_data *data;
int res;
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) {
res = -errno;
goto error_exit_cleanup;
}
}
device = pw_spa_device_load(context,
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->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:
res = -EINVAL;
pw_log_error("usage: module-spa-device " MODULE_USAGE);
goto error_exit_cleanup;
error_exit_cleanup:
pw_free_strv(argv);
return res;
}
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