#ifndef PLUGINS_H
#define PLUGINS_H

#include <stdint.h>

typedef struct {
  void              (*process)(uint8_t *gray, int w, int h, void *ctx);
  const char        *name;
} filter_plugin_t;

typedef struct {
    void            *dl_handle;     // handle from dlopen
    filter_plugin_t *plugin;        // resolved plugin vtable
    char             path[256];     // absolute path to .so
    char             tmp_path[280]; // temp copy path used for current dlopen // HACK:
    char             status_msg[128];  // last load/swap message
    int              inotify_fd;    // inotify instance fd
    int              inotify_wd;    // watch descriptor
} plugin_loader_t;

int plugin_load         (plugin_loader_t *pl, const char *path);
void plugin_watch_init  (plugin_loader_t *pl, const char *path);
void plugin_check_reload(plugin_loader_t *pl);
void plugin_cleanup     (plugin_loader_t *pl);

#endif