quant.h
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上传日期:2022-06-04
资源大小:8887k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*****************************************************************************
- * quant.h: h264 encoder library
- *****************************************************************************
- * Copyright (C) 2005-2008 x264 project
- *
- * Authors: Loren Merritt <lorenm@u.washington.edu>
- *
- * 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.
- *****************************************************************************/
- #ifndef X264_QUANT_H
- #define X264_QUANT_H
- typedef struct
- {
- int (*quant_8x8)( int16_t dct[8][8], uint16_t mf[64], uint16_t bias[64] );
- int (*quant_4x4)( int16_t dct[4][4], uint16_t mf[16], uint16_t bias[16] );
- int (*quant_4x4_dc)( int16_t dct[4][4], int mf, int bias );
- int (*quant_2x2_dc)( int16_t dct[2][2], int mf, int bias );
- void (*dequant_8x8)( int16_t dct[8][8], int dequant_mf[6][8][8], int i_qp );
- void (*dequant_4x4)( int16_t dct[4][4], int dequant_mf[6][4][4], int i_qp );
- void (*dequant_4x4_dc)( int16_t dct[4][4], int dequant_mf[6][4][4], int i_qp );
- void (*denoise_dct)( int16_t *dct, uint32_t *sum, uint16_t *offset, int size );
- int (*decimate_score15)( int16_t *dct );
- int (*decimate_score16)( int16_t *dct );
- int (*decimate_score64)( int16_t *dct );
- int (*coeff_last[6])( int16_t *dct );
- int (*coeff_level_run[5])( int16_t *dct, x264_run_level_t *runlevel );
- } x264_quant_function_t;
- void x264_quant_init( x264_t *h, int cpu, x264_quant_function_t *pf );
- #endif