harvey/sys/src/games/mp3enc/quantize.h

/*
 * This file is part of the UCB release of Plan 9. It is subject to the license
 * terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
 * part of the UCB release of Plan 9, including this file, may be copied,
 * modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */

/*
 * MP3 quantization
 *
 * Copyright (c) 1999 Mark Taylor
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef LAME_QUANTIZE_H
#define LAME_QUANTIZE_H

#include "util.h"
/*#include "l3side.h"
*/
void iteration_loop( lame_global_flags *gfp,
                     FLOAT8 pe[2][2], FLOAT8 ms_ratio[2], 
		     FLOAT8 xr_org[2][2][576], III_psy_ratio ratio[2][2],
		     int l3_enc[2][2][576], 
		     III_scalefac_t scalefac[2][2]);

void VBR_iteration_loop( lame_global_flags *gfp,
                     FLOAT8 pe[2][2], FLOAT8 ms_ratio[2], 
		     FLOAT8 xr_org[2][2][576], III_psy_ratio ratio[2][2],
		     int l3_enc[2][2][576], 
		     III_scalefac_t scalefac[2][2]);

void ABR_iteration_loop( lame_global_flags *gfp,
                     FLOAT8 pe[2][2], FLOAT8 ms_ratio[2], 
		     FLOAT8 xr_org[2][2][576], III_psy_ratio ratio[2][2],
		     int l3_enc[2][2][576], 
		     III_scalefac_t scalefac[2][2]);

/*
 *  vbrquantize.c
 */

void VBR_quantize( 
                    lame_global_flags      *gfp,
		    FLOAT8         pe[2][2], 
                    FLOAT8         ms_ener_ratio[2],
		    FLOAT8         xr[2][2][576], 
                    III_psy_ratio  ratio[2][2],
		    int            l3_enc[2][2][576],
		    III_scalefac_t scalefac[2][2]);


    /*  used by VBR_iteration_loop() */ 

int VBR_noise_shaping2(
                    lame_global_flags        *gfp,
                    FLOAT8           xr       [576], 
                    FLOAT8           xr34orig [576], 
                    III_psy_ratio  * ratio,
                    int              l3_enc   [576], 
                    int              digital_silence, 
                    int              minbits, 
                    int              maxbits,
                    III_scalefac_t * scalefac, 
                    III_psy_xmin   * l3_xmin,
                    int              gr,
                    int              ch );

#endif /* LAME_QUANTIZE_H */