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>
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.
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.
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
21 #ifndef IVTV_FILEOPS_H
22 #define IVTV_FILEOPS_H
24 /* Testing/Debugging */
25 int ivtv_v4l2_open(struct inode *inode, struct file *filp);
26 ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count,
28 ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count,
30 int ivtv_v4l2_close(struct inode *inode, struct file *filp);
31 unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait);
32 unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait);
33 int ivtv_start_capture(struct ivtv_open_id *id);
34 void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end);
35 int ivtv_start_decoding(struct ivtv_open_id *id, int speed);
36 void ivtv_mute(struct ivtv *itv);
37 void ivtv_unmute(struct ivtv *itv);
41 /* Try to claim a stream for the filehandle. Return 0 on success,
42 -EBUSY if stream already claimed. Once a stream is claimed, it
43 remains claimed until the associated filehandle is closed. */
44 int ivtv_claim_stream(struct ivtv_open_id *id, int type);
46 /* Release a previously claimed stream. */
47 void ivtv_release_stream(struct ivtv_stream *s);