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-rw-r--r--src/modules/spa/module-node.c129
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;
+}