1 /* PipeWire 2 * 3 * Copyright © 2018 Wim Taymans 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 */ 24 25 #ifndef PIPEWIRE_IMPL_CORE_H 26 #define PIPEWIRE_IMPL_CORE_H 27 28 #ifdef __cplusplus 29 extern "C" { 30 #endif 31 32 /** \class pw_impl_core 33 * 34 * \brief PipeWire core interface. 35 * 36 * The core is used to make objects on demand. 37 */ 38 struct pw_impl_core; 39 40 #include <pipewire/context.h> 41 #include <pipewire/global.h> 42 #include <pipewire/properties.h> 43 #include <pipewire/resource.h> 44 45 /** Factory events, listen to them with \ref pw_impl_core_add_listener */ 46 struct pw_impl_core_events { 47 #define PW_VERSION_IMPL_CORE_EVENTS 0 48 uint32_t version; 49 50 /** the core is destroyed */ 51 void (*destroy) (void *data); 52 /** the core is freed */ 53 void (*free) (void *data); 54 /** the core is initialized */ 55 void (*initialized) (void *data); 56 }; 57 58 struct pw_impl_core *pw_context_create_core(struct pw_context *context, 59 struct pw_properties *properties, 60 size_t user_data_size); 61 62 /* get the default core in a context */ 63 struct pw_impl_core *pw_context_get_default_core(struct pw_context *context); 64 65 /** Get the core properties */ 66 const struct pw_properties *pw_impl_core_get_properties(struct pw_impl_core *core); 67 68 /** Get the core information */ 69 const struct pw_core_info *pw_impl_core_get_info(struct pw_impl_core *core); 70 71 /** Update the core properties */ 72 int pw_impl_core_update_properties(struct pw_impl_core *core, const struct spa_dict *dict); 73 74 int pw_impl_core_register(struct pw_impl_core *core, 75 struct pw_properties *properties); 76 77 void pw_impl_core_destroy(struct pw_impl_core *core); 78 79 void *pw_impl_core_get_user_data(struct pw_impl_core *core); 80 81 /** Get the global of this core */ 82 struct pw_global *pw_impl_core_get_global(struct pw_impl_core *core); 83 84 /** Add an event listener */ 85 void pw_impl_core_add_listener(struct pw_impl_core *core, 86 struct spa_hook *listener, 87 const struct pw_impl_core_events *events, 88 void *data); 89 90 #ifdef __cplusplus 91 } 92 #endif 93 94 #endif /* PIPEWIRE_IMPL_CORE_H */ 95