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