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934ab3036e
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72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/* PipeWire */
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/* SPDX-FileCopyrightText: Copyright © 2019 Wim Taymans */
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/* SPDX-License-Identifier: MIT */
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#include <stdio.h>
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#include <unistd.h>
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#include <errno.h>
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#include <spa/pod/parser.h>
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#include "pipewire/pipewire.h"
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#include "pipewire/extensions/metadata.h"
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struct object_data {
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struct pw_metadata *object;
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struct spa_hook object_listener;
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struct spa_hook object_methods;
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struct pw_proxy *proxy;
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struct spa_hook proxy_listener;
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};
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static void proxy_object_destroy(void *_data)
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{
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struct object_data *data = _data;
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spa_hook_remove(&data->proxy_listener);
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spa_hook_remove(&data->object_listener);
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spa_hook_remove(&data->object_methods);
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}
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static const struct pw_proxy_events proxy_events = {
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PW_VERSION_PROXY_EVENTS,
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.destroy = proxy_object_destroy,
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};
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struct pw_proxy *pw_core_metadata_export(struct pw_core *core,
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const char *type, const struct spa_dict *props, void *object,
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size_t user_data_size)
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{
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struct pw_metadata *meta = object;
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struct spa_interface *iface, *miface;
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struct pw_proxy *proxy;
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struct object_data *data;
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proxy = pw_core_create_object(core,
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"metadata",
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PW_TYPE_INTERFACE_Metadata,
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PW_VERSION_METADATA,
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props,
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user_data_size + sizeof(struct object_data));
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if (proxy == NULL)
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return NULL;
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data = pw_proxy_get_user_data(proxy);
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data = SPA_PTROFF(data, user_data_size, struct object_data);
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data->object = object;
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data->proxy = proxy;
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iface = (struct spa_interface*)proxy;
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miface = (struct spa_interface*)meta;
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pw_proxy_install_marshal(proxy, true);
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pw_proxy_add_listener(proxy, &data->proxy_listener, &proxy_events, data);
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pw_proxy_add_object_listener(proxy, &data->object_methods,
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miface->cb.funcs, miface->cb.data);
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pw_metadata_add_listener(meta, &data->object_listener,
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iface->cb.funcs, iface->cb.data);
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return proxy;
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}
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