tsdecrypt reads and decrypts CSA encrypted incoming mpeg transport stream over UDP/RTP using code words obtained from OSCAM or similar CAM server. tsdecrypt communicates with CAM server using cs378x (camd35 over tcp) protocol or newcamd protocol. https://georgi.unixsol.org/programs/tsdecrypt/
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util.h 1.1KB

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  1. /*
  2. * Utility functions header
  3. * Copyright (C) 2011 Unix Solutions Ltd.
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License version 2
  7. * as published by the Free Software Foundation.
  8. *
  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. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  17. */
  18. #ifndef UTIL_H
  19. #define UTIL_H
  20. #include <inttypes.h>
  21. unsigned long crc32(unsigned long crc, const uint8_t *buf, unsigned int len);
  22. int32_t boundary(int32_t exp, int32_t n);
  23. uint8_t *init_4b(uint32_t val, uint8_t *b);
  24. uint8_t *init_4l(uint32_t val, uint8_t *b);
  25. uint8_t *init_2b(uint32_t val, uint8_t *b);
  26. void set_thread_name(char *thread_name);
  27. int decode_hex_string(char *hex, uint8_t *bin, int asc_len);
  28. int64_t get_time(void);
  29. #endif