/********************************************************************** * ISO MPEG Audio Subgroup Software Simulation Group (1996) * ISO 13818-3 MPEG-2 Audio Encoder - Lower Sampling Frequency Extension * * $Id: loop-pvt.h,v 1.1 1996/02/14 04:04:23 rowlands Exp $ * * Private interface declarations for loop.c * * $Log: loop-pvt.h,v $ * Revision 1.1  1996/02/14 04:04:23  rowlands * Initial revision * * Received from Mike Coleman **********************************************************************/#ifndef LOOP_PVT_H#define LOOP_PVT_H/*  Revision History:  Date        Programmer                Comment  ==========  ========================= ===============================  1995/10/01  mc@fivebats.com           created*/int outer_loop( double xr[2][2][576],     /*vector of the magnitudees of the spectral values */                int max_bits,                III_psy_xmin  *l3_xmin, /* the allowed distortion of the scalefactor */                int l3_enc[2][2][576],    /* vector of quantized values ix(0..575) */		frame_params *fr_ps,                III_scalefac_t *scalefac, /* scalefactors */                int gr,                int ch,		III_side_info_t *l3_side );int part2_length( III_scalefac_t *scalefac,		  frame_params *fr_ps,		  int gr,		  int ch,		  III_side_info_t *si );int quantanf_init( double xr[576] );int inner_loop( double xr[2][2][576],                int l3_enc[2][2][576],                int max_bits,                gr_info *cod_info,                int gr,                int ch );void calc_xmin( double xr[2][2][576],               III_psy_ratio *ratio,               gr_info *cod_info,               III_psy_xmin *l3_xmin,               int gr,               int ch );double xr_max( double xr[576],               unsigned int begin,               unsigned int end );void calc_scfsi( double  xr[576],                 III_side_info_t *l3_side,                 III_psy_xmin  *l3_xmin,                 int ch,                 int gr );void gr_deco( gr_info *cod_info );int count_bit( int ix[576], unsigned int start, unsigned int end, unsigned int table);int bigv_bitcount( int ix[576], gr_info *cod_info );int choose_table( int max);void bigv_tab_select( int ix[576], gr_info *cod_info );void subdivide( gr_info *cod_info );int count1_bitcount( int ix[576], gr_info *cod_info );void  calc_runlen( int ix[576],                   gr_info *cod_info );int scale_bitcount( III_scalefac_t *scalefac,                    gr_info *cod_info,                    int gr,                    int ch );void calc_noise( double xr[576],                 int ix[576],                 gr_info *cod_info,                 double xfsf[4][CBLIMIT] );int loop_break( III_scalefac_t *scalefac,                gr_info *cod_info,                int gr,                int ch );void preemphasis( double xr[576],                  double xfsf[4][CBLIMIT],                  III_psy_xmin  *l3_xmin,                  int gr,                  int ch,		  III_side_info_t *l3_side );int amp_scalefac_bands( double xr[576],                        double xfsf[4][CBLIMIT],                        III_psy_xmin  *l3_xmin,			III_side_info_t *l3_side,                        III_scalefac_t *scalefac,                        int gr,                        int ch,			int iteration );void quantize( double xr[576],               int  ix[576],               gr_info *cod_info );int ix_max( int ix[576],            unsigned int begin,            unsigned int end );intnew_choose_table( int ix[576],		  unsigned int begin,		  unsigned int end );#endif