123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475 |
- /*****************************************************************************
- * quant.h: quantization and level-run
- *****************************************************************************
- * Copyright (C) 2005-2018 x264 project
- *
- * Authors: Loren Merritt <lorenm@u.washington.edu>
- * Fiona Glaser <fiona@x264.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
- *
- * This program is also available under a commercial proprietary license.
- * For more information, contact us at licensing@x264.com.
- *****************************************************************************/
- #ifndef X264_QUANT_H
- #define X264_QUANT_H
- typedef struct
- {
- int (*quant_8x8) ( dctcoef dct[64], udctcoef mf[64], udctcoef bias[64] );
- int (*quant_4x4) ( dctcoef dct[16], udctcoef mf[16], udctcoef bias[16] );
- int (*quant_4x4x4)( dctcoef dct[4][16], udctcoef mf[16], udctcoef bias[16] );
- int (*quant_4x4_dc)( dctcoef dct[16], int mf, int bias );
- int (*quant_2x2_dc)( dctcoef dct[4], int mf, int bias );
- void (*dequant_8x8)( dctcoef dct[64], int dequant_mf[6][64], int i_qp );
- void (*dequant_4x4)( dctcoef dct[16], int dequant_mf[6][16], int i_qp );
- void (*dequant_4x4_dc)( dctcoef dct[16], int dequant_mf[6][16], int i_qp );
- void (*idct_dequant_2x4_dc)( dctcoef dct[8], dctcoef dct4x4[8][16], int dequant_mf[6][16], int i_qp );
- void (*idct_dequant_2x4_dconly)( dctcoef dct[8], int dequant_mf[6][16], int i_qp );
- int (*optimize_chroma_2x2_dc)( dctcoef dct[4], int dequant_mf );
- int (*optimize_chroma_2x4_dc)( dctcoef dct[8], int dequant_mf );
- void (*denoise_dct)( dctcoef *dct, uint32_t *sum, udctcoef *offset, int size );
- int (*decimate_score15)( dctcoef *dct );
- int (*decimate_score16)( dctcoef *dct );
- int (*decimate_score64)( dctcoef *dct );
- int (*coeff_last[14])( dctcoef *dct );
- int (*coeff_last4)( dctcoef *dct );
- int (*coeff_last8)( dctcoef *dct );
- int (*coeff_level_run[13])( dctcoef *dct, x264_run_level_t *runlevel );
- int (*coeff_level_run4)( dctcoef *dct, x264_run_level_t *runlevel );
- int (*coeff_level_run8)( dctcoef *dct, x264_run_level_t *runlevel );
- #define TRELLIS_PARAMS const int *unquant_mf, const uint8_t *zigzag, int lambda2,\
- int last_nnz, dctcoef *coefs, dctcoef *quant_coefs, dctcoef *dct,\
- uint8_t *cabac_state_sig, uint8_t *cabac_state_last,\
- uint64_t level_state0, uint16_t level_state1
- int (*trellis_cabac_4x4)( TRELLIS_PARAMS, int b_ac );
- int (*trellis_cabac_8x8)( TRELLIS_PARAMS, int b_interlaced );
- int (*trellis_cabac_4x4_psy)( TRELLIS_PARAMS, int b_ac, dctcoef *fenc_dct, int psy_trellis );
- int (*trellis_cabac_8x8_psy)( TRELLIS_PARAMS, int b_interlaced, dctcoef *fenc_dct, int psy_trellis );
- int (*trellis_cabac_dc)( TRELLIS_PARAMS, int num_coefs );
- int (*trellis_cabac_chroma_422_dc)( TRELLIS_PARAMS );
- } x264_quant_function_t;
- #define x264_quant_init x264_template(quant_init)
- void x264_quant_init( x264_t *h, int cpu, x264_quant_function_t *pf );
- #endif
|