blob: 74a1745fabbcaa7acc28431ccdb0c0c69219999c [file] [log] [blame]
file operation functions
Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at>
Copyright (C) 2005-2007 Hans Verkuil <>
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
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
/* Testing/Debugging */
int ivtv_v4l2_open(struct inode *inode, struct file *filp);
ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count,
loff_t * pos);
ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count,
loff_t * pos);
int ivtv_v4l2_close(struct inode *inode, struct file *filp);
unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait);
unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait);
int ivtv_start_capture(struct ivtv_open_id *id);
void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end);
int ivtv_start_decoding(struct ivtv_open_id *id, int speed);
void ivtv_mute(struct ivtv *itv);
void ivtv_unmute(struct ivtv *itv);
/* Utilities */
/* Try to claim a stream for the filehandle. Return 0 on success,
-EBUSY if stream already claimed. Once a stream is claimed, it
remains claimed until the associated filehandle is closed. */
int ivtv_claim_stream(struct ivtv_open_id *id, int type);
/* Release a previously claimed stream. */
void ivtv_release_stream(struct ivtv_stream *s);