diff options
Diffstat (limited to 'src/modules/spa/module-node.c')
-rw-r--r-- | src/modules/spa/module-node.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/modules/spa/module-node.c b/src/modules/spa/module-node.c new file mode 100644 index 0000000..9f66d2b --- /dev/null +++ b/src/modules/spa/module-node.c @@ -0,0 +1,129 @@ +/* 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. + */ + +#include "config.h" + +#include <errno.h> +#include <getopt.h> +#include <limits.h> + +#include <pipewire/impl.h> + +#include "spa-node.h" + +#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; + char **argv = NULL; + int n_tokens, res; + 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) { + res = -errno; + goto error_exit_cleanup; + } + } + + node = pw_spa_node_load(context, + argv[0], + PW_SPA_NODE_FLAG_ACTIVATE, + props, + sizeof(struct node_data)); + + if (node == NULL) { + res = -errno; + goto error_exit_cleanup; + } + + pw_free_strv(argv); + + 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: + res = -EINVAL; + pw_log_error("usage: module-spa-node " MODULE_USAGE); + goto error_exit_cleanup; +error_exit_cleanup: + pw_free_strv(argv); + return res; +} |