quant.h 3.7 KB

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  1. /*****************************************************************************
  2. * quant.h: quantization and level-run
  3. *****************************************************************************
  4. * Copyright (C) 2005-2018 x264 project
  5. *
  6. * Authors: Loren Merritt <lorenm@u.washington.edu>
  7. * Fiona Glaser <fiona@x264.com>
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License as published by
  11. * the Free Software Foundation; either version 2 of the License, or
  12. * (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
  22. *
  23. * This program is also available under a commercial proprietary license.
  24. * For more information, contact us at licensing@x264.com.
  25. *****************************************************************************/
  26. #ifndef X264_QUANT_H
  27. #define X264_QUANT_H
  28. typedef struct
  29. {
  30. int (*quant_8x8) ( dctcoef dct[64], udctcoef mf[64], udctcoef bias[64] );
  31. int (*quant_4x4) ( dctcoef dct[16], udctcoef mf[16], udctcoef bias[16] );
  32. int (*quant_4x4x4)( dctcoef dct[4][16], udctcoef mf[16], udctcoef bias[16] );
  33. int (*quant_4x4_dc)( dctcoef dct[16], int mf, int bias );
  34. int (*quant_2x2_dc)( dctcoef dct[4], int mf, int bias );
  35. void (*dequant_8x8)( dctcoef dct[64], int dequant_mf[6][64], int i_qp );
  36. void (*dequant_4x4)( dctcoef dct[16], int dequant_mf[6][16], int i_qp );
  37. void (*dequant_4x4_dc)( dctcoef dct[16], int dequant_mf[6][16], int i_qp );
  38. void (*idct_dequant_2x4_dc)( dctcoef dct[8], dctcoef dct4x4[8][16], int dequant_mf[6][16], int i_qp );
  39. void (*idct_dequant_2x4_dconly)( dctcoef dct[8], int dequant_mf[6][16], int i_qp );
  40. int (*optimize_chroma_2x2_dc)( dctcoef dct[4], int dequant_mf );
  41. int (*optimize_chroma_2x4_dc)( dctcoef dct[8], int dequant_mf );
  42. void (*denoise_dct)( dctcoef *dct, uint32_t *sum, udctcoef *offset, int size );
  43. int (*decimate_score15)( dctcoef *dct );
  44. int (*decimate_score16)( dctcoef *dct );
  45. int (*decimate_score64)( dctcoef *dct );
  46. int (*coeff_last[14])( dctcoef *dct );
  47. int (*coeff_last4)( dctcoef *dct );
  48. int (*coeff_last8)( dctcoef *dct );
  49. int (*coeff_level_run[13])( dctcoef *dct, x264_run_level_t *runlevel );
  50. int (*coeff_level_run4)( dctcoef *dct, x264_run_level_t *runlevel );
  51. int (*coeff_level_run8)( dctcoef *dct, x264_run_level_t *runlevel );
  52. #define TRELLIS_PARAMS const int *unquant_mf, const uint8_t *zigzag, int lambda2,\
  53. int last_nnz, dctcoef *coefs, dctcoef *quant_coefs, dctcoef *dct,\
  54. uint8_t *cabac_state_sig, uint8_t *cabac_state_last,\
  55. uint64_t level_state0, uint16_t level_state1
  56. int (*trellis_cabac_4x4)( TRELLIS_PARAMS, int b_ac );
  57. int (*trellis_cabac_8x8)( TRELLIS_PARAMS, int b_interlaced );
  58. int (*trellis_cabac_4x4_psy)( TRELLIS_PARAMS, int b_ac, dctcoef *fenc_dct, int psy_trellis );
  59. int (*trellis_cabac_8x8_psy)( TRELLIS_PARAMS, int b_interlaced, dctcoef *fenc_dct, int psy_trellis );
  60. int (*trellis_cabac_dc)( TRELLIS_PARAMS, int num_coefs );
  61. int (*trellis_cabac_chroma_422_dc)( TRELLIS_PARAMS );
  62. } x264_quant_function_t;
  63. #define x264_quant_init x264_template(quant_init)
  64. void x264_quant_init( x264_t *h, int cpu, x264_quant_function_t *pf );
  65. #endif