quant.h.svn-base

现在关于h.264的源码很多

/*****************************************************************************
 * quant.h: h264 encoder library
 *****************************************************************************
 * Copyright (C) 2005 x264 project
 *
 * Authors: Christian Heine <[e-mail]>
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

#ifndef _QUANT_H
#define _QUANT_H 1

typedef struct
{
    void (*quant_8x8_core)( int16_t dct[8][8], int quant_mf[8][8], int i_qbits, int f );
    void (*quant_4x4_core)( int16_t dct[4][4], int quant_mf[4][4], int i_qbits, int f );
    void (*quant_4x4_dc_core)( int16_t dct[4][4], int i_quant_mf, int i_qbits, int f );
    void (*quant_2x2_dc_core)( int16_t dct[2][2], int i_quant_mf, int i_qbits, int f );

    void (*dequant_4x4)( int16_t dct[4][4], int dequant_mf[6][4][4], int i_qp );
    void (*dequant_8x8)( int16_t dct[8][8], int dequant_mf[6][8][8], int i_qp );
} x264_quant_function_t;

void x264_quant_init( x264_t *h, int cpu, x264_quant_function_t *pf );

void x264_mb_dequant_4x4_dc( int16_t dct[4][4], int dequant_mf[6][4][4], int i_qscale );
void x264_mb_dequant_2x2_dc( int16_t dct[2][2], int dequant_mf[6][4][4], int i_qscale );

#endif