-SR_API int sr_session_save(struct sr_session *session, const char *filename,
- const struct sr_dev_inst *sdi, unsigned char *buf, int unitsize,
- int units);
-SR_API int sr_session_save_init(struct sr_session *session,
- const char *filename, uint64_t samplerate, char **channels);
-SR_API int sr_session_append(struct sr_session *session,
- const char *filename, unsigned char *buf, int unitsize, int units);