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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-fileops.h')
-rw-r--r--drivers/media/video/ivtv/ivtv-fileops.h45
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diff --git a/drivers/media/video/ivtv/ivtv-fileops.h b/drivers/media/video/ivtv/ivtv-fileops.h
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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_stop_decoding(struct ivtv_open_id *id, int flags, u64 pts);
34void ivtv_mute(struct ivtv *itv);
35void ivtv_unmute(struct ivtv *itv);
36
37/* Utilities */
38
39/* Try to claim a stream for the filehandle. Return 0 on success,
40 -EBUSY if stream already claimed. Once a stream is claimed, it
41 remains claimed until the associated filehandle is closed. */
42int ivtv_claim_stream(struct ivtv_open_id *id, int type);
43
44/* Release a previously claimed stream. */
45void ivtv_release_stream(struct ivtv_stream *s);