1/*
2    file operation functions
3    Copyright (C) 2003-2004  Kevin Thayer <nufan_wfk at yahoo.com>
4    Copyright (C) 2005-2007  Hans Verkuil <hverkuil@xs4all.nl>
5
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 2 of the License, or
9    (at your option) any later version.
10
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 */
20
21/* Testing/Debugging */
22int ivtv_v4l2_open(struct inode *inode, struct file *filp);
23ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count,
24		      loff_t * pos);
25ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count,
26		       loff_t * pos);
27int ivtv_v4l2_close(struct inode *inode, struct file *filp);
28unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait);
29unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait);
30int ivtv_start_capture(struct ivtv_open_id *id);
31void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end);
32int ivtv_start_decoding(struct ivtv_open_id *id, int speed);
33void ivtv_mute(struct ivtv *itv);
34void ivtv_unmute(struct ivtv *itv);
35
36/* Utilities */
37
38/* Try to claim a stream for the filehandle. Return 0 on success,
39   -EBUSY if stream already claimed. Once a stream is claimed, it
40   remains claimed until the associated filehandle is closed. */
41int ivtv_claim_stream(struct ivtv_open_id *id, int type);
42
43/* Release a previously claimed stream. */
44void ivtv_release_stream(struct ivtv_stream *s);
45