| /* |
| file operation functions |
| Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> |
| Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> |
| |
| 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 |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 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 |
| */ |
| |
| #ifndef IVTV_FILEOPS_H |
| #define IVTV_FILEOPS_H |
| |
| /* 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); |
| |
| #endif |