pwc-dec23.h 1.8 KB

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  1. /* Linux driver for Philips webcam
  2. (C) 2004 Luc Saillard (luc@saillard.org)
  3. NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
  4. driver and thus may have bugs that are not present in the original version.
  5. Please send bug reports and support requests to <luc@saillard.org>.
  6. The decompression routines have been implemented by reverse-engineering the
  7. Nemosoft binary pwcx module. Caveat emptor.
  8. This program is free software; you can redistribute it and/or modify
  9. it under the terms of the GNU General Public License as published by
  10. the Free Software Foundation; either version 2 of the License, or
  11. (at your option) any later version.
  12. This program is distributed in the hope that it will be useful,
  13. but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. GNU General Public License for more details.
  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. #ifndef PWC_DEC23_H
  21. #define PWC_DEC23_H
  22. struct pwc_dec23_private
  23. {
  24. unsigned char xx,yy,zz,zzmask;
  25. unsigned char table_0004[2*0x4000];
  26. unsigned char table_8004[2*0x1000];
  27. unsigned int table_a004[256*12];
  28. unsigned char table_d004[8*256];
  29. unsigned int table_d800[256];
  30. unsigned int table_dc00[256];
  31. };
  32. void pwc_dec23_init(int type, int release, unsigned char *buffer, void *private_data);
  33. void pwc_dec23_exit(void);
  34. void pwc_dec23_decompress(const struct pwc_coord *image,
  35. const struct pwc_coord *view,
  36. const struct pwc_coord *offset,
  37. const void *src,
  38. void *dst,
  39. int flags,
  40. const void *data,
  41. int bandlength);
  42. #endif