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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 <[email protected]>
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 #ifndef IVTV_FILEOPS_H
22 #define IVTV_FILEOPS_H
23 
24 /* Testing/Debugging */
25 int ivtv_v4l2_open(struct file *filp);
26 ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count,
27  loff_t * pos);
28 ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count,
29  loff_t * pos);
30 int ivtv_v4l2_close(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);
38 
39 /* Utilities */
40 /* Shared with ivtv-alsa module */
41 int ivtv_claim_stream(struct ivtv_open_id *id, int type);
42 void ivtv_release_stream(struct ivtv_stream *s);
43 
44 #endif