extern int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len);
extern int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen);
extern int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len);
extern int av7110_set_volume(struct av7110 *av7110, int volleft, int volright);
extern int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len);
extern int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen);
extern int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len);
extern int av7110_set_volume(struct av7110 *av7110, int volleft, int volright);