mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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f391353c7f
This is more in line with wayland and it allows us to create new interfaces in modules without having to add anything to the type enum. It also removes some lookups to map type_id to readable name in debug.
100 lines
2.9 KiB
C
100 lines
2.9 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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#ifndef PIPEWIRE_EXT_METADATA_H
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#define PIPEWIRE_EXT_METADATA_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <spa/utils/defs.h>
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#define PW_TYPE_INTERFACE_Metadata PW_TYPE_INFO_INTERFACE_BASE "Metadata"
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#define PW_VERSION_METADATA 3
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struct pw_metadata;
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#define PW_EXTENSION_MODULE_METADATA PIPEWIRE_MODULE_PREFIX "module-metadata"
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#define PW_METADATA_EVENT_PROPERTY 0
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#define PW_METADATA_EVENT_NUM 1
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/** \ref pw_metadata events */
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struct pw_metadata_events {
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#define PW_VERSION_METADATA_EVENTS 0
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uint32_t version;
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int (*property) (void *object,
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uint32_t subject,
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const char *key,
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const char *type,
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const char *value);
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};
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#define PW_METADATA_METHOD_ADD_LISTENER 0
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#define PW_METADATA_METHOD_SET_PROPERTY 1
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#define PW_METADATA_METHOD_CLEAR 2
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#define PW_METADATA_METHOD_NUM 3
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/** \ref pw_metadata methods */
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struct pw_metadata_methods {
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#define PW_VERSION_METADATA_METHODS 0
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uint32_t version;
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int (*add_listener) (void *object,
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struct spa_hook *listener,
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const struct pw_metadata_events *events,
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void *data);
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int (*set_property) (void *object,
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uint32_t subject,
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const char *key,
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const char *type,
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const char *value);
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int (*clear) (void *object);
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};
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#define pw_metadata_method(o,method,version,...) \
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({ \
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int _res = -ENOTSUP; \
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spa_interface_call_res((struct spa_interface*)o, \
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struct pw_metadata_methods, _res, \
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method, version, ##__VA_ARGS__); \
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_res; \
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})
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#define pw_metadata_add_listener(c,...) pw_metadata_method(c,add_listener,0,__VA_ARGS__)
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#define pw_metadata_set_property(c,...) pw_metadata_method(c,set_property,0,__VA_ARGS__)
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#define pw_metadata_clear(c) pw_metadata_method(c,clear,0)
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#define PW_KEY_METADATA_NAME "metadata.name"
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* PIPEWIRE_EXT_METADATA_H */
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