/*
    Vertical Blank Interval support functions
    Copyright (C) 2004  Hans Verkuil <hverkuil@xs4all.nl>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

int ivtv_DEC_VBI_fixup(struct ivtv *itv, u8 * p, int cnt);
ssize_t ivtv_write_vbi(struct ivtv *itv, const char *ubuf, size_t count);
void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf,
			   u32 pts_stamp, int streamtype);
int ivtv_calc_sliced_lines(struct decoder_lcr *lcr);
int ivtv_used_line(struct ivtv *itv, int line, int field);
void ivtv_start_vbi_timer(struct ivtv *itv);
void ivtv_disable_vbi(struct ivtv *itv);
void ivtv_set_vbi(unsigned long arg);
void vbi_setup_lcr(int set, int is_pal, struct decoder_lcr *lcr);
void vbi_work_handler(void *arg);
void vbi_schedule_work(struct ivtv *itv);
