module.h

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/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
/* SPDX-License-Identifier: MIT */
 
#ifndef PIPEWIRE_MODULE_H
#define PIPEWIRE_MODULE_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <spa/utils/defs.h>
#include <spa/utils/hook.h>
 
#include <pipewire/proxy.h>
 
#define PW_TYPE_INTERFACE_Module        PW_TYPE_INFO_INTERFACE_BASE "Module"
 
#define PW_MODULE_PERM_MASK             PW_PERM_R|PW_PERM_M
 
#define PW_VERSION_MODULE               3
struct pw_module;
 
#ifndef PW_API_MODULE_IMPL
#define PW_API_MODULE_IMPL static inline
#endif
 
struct pw_module_info {
        uint32_t id;            
        const char *name;       
        const char *filename;   
        const char *args;       
#define PW_MODULE_CHANGE_MASK_PROPS     (1 << 0)
#define PW_MODULE_CHANGE_MASK_ALL       ((1 << 1)-1)
        uint64_t change_mask;   
        struct spa_dict *props; 
};
 
struct pw_module_info *
pw_module_info_update(struct pw_module_info *info,
                const struct pw_module_info *update);
struct pw_module_info *
pw_module_info_merge(struct pw_module_info *info,
                const struct pw_module_info *update, bool reset);
void pw_module_info_free(struct pw_module_info *info);
}; {…};
 
#define PW_MODULE_EVENT_INFO            0
#define PW_MODULE_EVENT_NUM             1
 
struct pw_module_events {
#define PW_VERSION_MODULE_EVENTS        0
        uint32_t version;
        void (*info) (void *data, const struct pw_module_info *info);
};
 
#define PW_MODULE_METHOD_ADD_LISTENER   0
#define PW_MODULE_METHOD_NUM            1
 
struct pw_module_methods {
#define PW_VERSION_MODULE_METHODS       0
        uint32_t version;
 
        int (*add_listener) (void *object,
                        struct spa_hook *listener,
                        const struct pw_module_events *events,
                        void *data);
};
  {…};
 
PW_API_MODULE_IMPL int pw_module_add_listener(struct pw_module *object,
                        struct spa_hook *listener,
                        const struct pw_module_events *events,
                        void *data)
{
        return spa_api_method_r(int, -ENOTSUP,
                        pw_module, (struct spa_interface*)object, add_listener, 0,
                        listener, events, data);
}
 
 {…};
#ifdef __cplusplus
}  /* extern "C" */
#endif
 
#endif /* PIPEWIRE_MODULE_H */
  {…}