mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/* PipeWire
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*
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* Copyright © 2019 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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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/private.h"
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#include "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 object_proxy_destroy(void *_data)
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{
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struct object_data *data = _data;
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spa_hook_remove(&data->object_listener);
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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 = object_proxy_destroy,
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};
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struct pw_proxy *pw_core_proxy_metadata_export(struct pw_core_proxy *core_proxy,
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uint32_t type, struct pw_properties *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;
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struct pw_proxy *proxy;
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struct object_data *data;
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proxy = pw_core_proxy_create_object(core_proxy,
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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 ? &props->dict : NULL,
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user_data_size + sizeof(struct object_data));
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if (props)
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pw_properties_free(props);
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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_MEMBER(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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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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meta->iface.cb.funcs, meta->iface.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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