/* PipeWire */ /* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */ /* SPDX-License-Identifier: MIT */ #ifndef PIPEWIRE_IMPL_DEVICE_H #define PIPEWIRE_IMPL_DEVICE_H #ifdef __cplusplus extern "C" { #endif /** \defgroup pw_impl_device Device Impl * * The device is an object that manages nodes. It typically * corresponds to a physical hardware device but it does not * have to be. * * The purpose of the device is to provide an interface to * dynamically create/remove/configure the nodes it manages. */ /** * \addtogroup pw_impl_device * \{ */ struct pw_impl_device; #include #include #include #include #include /** Device events, listen to them with \ref pw_impl_device_add_listener */ struct pw_impl_device_events { #define PW_VERSION_IMPL_DEVICE_EVENTS 0 uint32_t version; /** the device is destroyed */ void (*destroy) (void *data); /** the device is freed */ void (*free) (void *data); /** the device is initialized */ void (*initialized) (void *data); /** the device info changed */ void (*info_changed) (void *data, const struct pw_device_info *info); }; struct pw_impl_device *pw_context_create_device(struct pw_context *context, struct pw_properties *properties, size_t user_data_size); int pw_impl_device_register(struct pw_impl_device *device, struct pw_properties *properties); void pw_impl_device_destroy(struct pw_impl_device *device); void *pw_impl_device_get_user_data(struct pw_impl_device *device); /** Set the device implementation */ int pw_impl_device_set_implementation(struct pw_impl_device *device, struct spa_device *spa_device); /** Get the device implementation */ struct spa_device *pw_impl_device_get_implementation(struct pw_impl_device *device); /** Get the global of this device */ struct pw_global *pw_impl_device_get_global(struct pw_impl_device *device); /** Add an event listener */ void pw_impl_device_add_listener(struct pw_impl_device *device, struct spa_hook *listener, const struct pw_impl_device_events *events, void *data); int pw_impl_device_update_properties(struct pw_impl_device *device, const struct spa_dict *dict); const struct pw_properties *pw_impl_device_get_properties(struct pw_impl_device *device); int pw_impl_device_for_each_param(struct pw_impl_device *device, int seq, uint32_t param_id, uint32_t index, uint32_t max, const struct spa_pod *filter, int (*callback) (void *data, int seq, uint32_t id, uint32_t index, uint32_t next, struct spa_pod *param), void *data); /** * \} */ #ifdef __cplusplus } #endif #endif /* PIPEWIRE_IMPL_DEVICE_H */