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FFmpeg/libavcodec/dvdata.h

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  1. /*

  2.  * This file is part of Libav.

  3.  *

  4.  * Libav is free software; you can redistribute it and/or

  5.  * modify it under the terms of the GNU Lesser General Public

  6.  * License as published by the Free Software Foundation; either

  7.  * version 2.1 of the License, or (at your option) any later version.

  8.  *

  9.  * Libav 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 GNU

  12.  * Lesser General Public License for more details.

  13.  *

  14.  * You should have received a copy of the GNU Lesser General Public

  15.  * License along with Libav; if not, write to the Free Software

  16.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  17.  */

  18. 

  19. #ifndef AVCODEC_DVDATA_H

  20. #define AVCODEC_DVDATA_H

  21. 

  22. #include <stdint.h>

  23. 

  24. extern const uint8_t ff_dv_zigzag248_direct[64];

  25. 

  26. extern const uint8_t ff_dv_quant_shifts[22][4];

  27. extern const uint8_t ff_dv_quant_offset[4];

  28. 

  29. extern const int ff_dv_iweight_88[64];

  30. extern const int ff_dv_iweight_248[64];

  31. extern const int ff_dv_iweight_1080_y[64];

  32. extern const int ff_dv_iweight_1080_c[64];

  33. extern const int ff_dv_iweight_720_y[64];

  34. extern const int ff_dv_iweight_720_c[64];

  35. 

  36. #define NB_DV_VLC 409

  37. 

  38. extern const uint16_t ff_dv_vlc_bits[NB_DV_VLC];

  39. extern const uint8_t ff_dv_vlc_len[NB_DV_VLC];

  40. extern const uint8_t ff_dv_vlc_run[NB_DV_VLC];

  41. extern const uint8_t ff_dv_vlc_level[NB_DV_VLC];

  42. 

  43. #endif /* AVCODEC_DVDATA_H */