header.h 1.1 KB

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  1. /*
  2. * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  3. *
  4. * Use of this source code is governed by a BSD-style license
  5. * that can be found in the LICENSE file in the root of the source
  6. * tree. An additional intellectual property rights grant can be found
  7. * in the file PATENTS. All contributing project authors may
  8. * be found in the AUTHORS file in the root of the source tree.
  9. */
  10. #ifndef VP8_COMMON_HEADER_H_
  11. #define VP8_COMMON_HEADER_H_
  12. #ifdef __cplusplus
  13. extern "C" {
  14. #endif
  15. /* 24 bits total */
  16. typedef struct
  17. {
  18. unsigned int type: 1;
  19. unsigned int version: 3;
  20. unsigned int show_frame: 1;
  21. /* Allow 2^20 bytes = 8 megabits for first partition */
  22. unsigned int first_partition_length_in_bytes: 19;
  23. #ifdef PACKET_TESTING
  24. unsigned int frame_number;
  25. unsigned int update_gold: 1;
  26. unsigned int uses_gold: 1;
  27. unsigned int update_last: 1;
  28. unsigned int uses_last: 1;
  29. #endif
  30. } VP8_HEADER;
  31. #ifdef PACKET_TESTING
  32. #define VP8_HEADER_SIZE 8
  33. #else
  34. #define VP8_HEADER_SIZE 3
  35. #endif
  36. #ifdef __cplusplus
  37. } // extern "C"
  38. #endif
  39. #endif // VP8_COMMON_HEADER_H_