pipewire/device.h  
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| struct pw_device_info * | pw_device_info_update (struct pw_device_info *info, const struct pw_device_info *update) | 
|  | Update and existing pw_device_info with update and reset. 
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| struct pw_device_info * | pw_device_info_merge (struct pw_device_info *info, const struct pw_device_info *update, bool reset) | 
|  | Merge and existing pw_device_info with update. 
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| void | pw_device_info_free (struct pw_device_info *info) | 
|  | Free a pw_device_info. 
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| PW_API_DEVICE_IMPL int | pw_device_add_listener (struct pw_device *object, struct spa_hook *listener, const struct pw_device_events *events, void *data) | 
| PW_API_DEVICE_IMPL int | pw_device_subscribe_params (struct pw_device *object, uint32_t *ids, uint32_t n_ids) | 
|  | Subscribe to parameter changes. 
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| PW_API_DEVICE_IMPL int | pw_device_enum_params (struct pw_device *object, int seq, uint32_t id, uint32_t start, uint32_t num, const struct spa_pod *filter) | 
|  | Enumerate device parameters. 
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| PW_API_DEVICE_IMPL int | pw_device_set_param (struct pw_device *object, uint32_t id, uint32_t flags, const struct spa_pod *param) | 
|  | Set a parameter on the device. 
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