ivtv-fileops.h 2.0 KB

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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. This program is free software; you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 2 of the License, or
  8. (at your option) any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program; if not, write to the Free Software
  15. Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16. */
  17. /* Testing/Debugging */
  18. int ivtv_v4l2_open(struct inode *inode, struct file *filp);
  19. ssize_t ivtv_v4l2_read(struct file *filp, char __user *buf, size_t count,
  20. loff_t * pos);
  21. ssize_t ivtv_v4l2_write(struct file *filp, const char __user *buf, size_t count,
  22. loff_t * pos);
  23. int ivtv_v4l2_close(struct inode *inode, struct file *filp);
  24. unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table * wait);
  25. unsigned int ivtv_v4l2_dec_poll(struct file *filp, poll_table * wait);
  26. int ivtv_start_capture(struct ivtv_open_id *id);
  27. void ivtv_stop_capture(struct ivtv_open_id *id, int gop_end);
  28. int ivtv_start_decoding(struct ivtv_open_id *id, int speed);
  29. void ivtv_stop_decoding(struct ivtv_open_id *id, int flags, u64 pts);
  30. void ivtv_mute(struct ivtv *itv);
  31. void ivtv_unmute(struct ivtv *itv);
  32. /* Utilities */
  33. /* Try to claim a stream for the filehandle. Return 0 on success,
  34. -EBUSY if stream already claimed. Once a stream is claimed, it
  35. remains claimed until the associated filehandle is closed. */
  36. int ivtv_claim_stream(struct ivtv_open_id *id, int type);
  37. /* Release a previously claimed stream. */
  38. void ivtv_release_stream(struct ivtv_stream *s);