#include <mpv/client.h>

int ytdlsb_mpv_overlay_add(mpv_handle *m,
    int id, int x, int y,
    char *buf, size_t off, size_t w, size_t h, size_t stride,
    size_t dw, size_t dh
);
int ytdlsb_mpv_overlay_remove(mpv_handle *m, int id);