#include <config.h>#include "lame.h"#include "machine.h"#include "encoder.h"#include "util.h"#include "quantize_pvt.h"#include "lame_global_flags.h"#include "reservoir.h"#include "lame-analysis.h"#include <float.h>Include dependency graph for quantize_pvt.c:
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Defines | |
| #define | NSATHSCALE 100 |
Functions | |
| static FLOAT | ATHmdct (lame_global_flags const *gfp, FLOAT f) |
| static void | compute_ath (lame_global_flags *gfp) |
| void | iteration_init (lame_global_flags *gfp) |
| int | on_pe (lame_global_flags const *gfp, FLOAT const pe[][2], III_side_info_t const *l3_side, int targ_bits[2], int mean_bits, int gr, int cbr) |
| void | reduce_side (int targ_bits[2], FLOAT ms_ener_ratio, int mean_bits, int max_bits) |
| FLOAT | athAdjust (FLOAT a, FLOAT x, FLOAT athFloor) |
| Robert Hegemann 2001-04-27: this adjusts the ATH, keeping the original noise floor affects the higher frequencies more than the lower ones. | |
| int | calc_xmin (lame_global_flags const *gfp, III_psy_ratio const *const ratio, gr_info *const cod_info, FLOAT *pxmin) |
| FLOAT | calc_noise_core_c (const gr_info *const cod_info, int *startline, int l, FLOAT step) |
| int | calc_noise (gr_info const *const cod_info, FLOAT const *l3_xmin, FLOAT *distort, calc_noise_result *const res, calc_noise_data *prev_noise) |
| static void | set_pinfo (lame_global_flags const *gfp, gr_info *const cod_info, const III_psy_ratio *const ratio, const int gr, const int ch) |
| void | set_frame_pinfo (lame_global_flags const *gfp, III_psy_ratio const ratio[2][2]) |
Variables | |
| const int | nr_of_sfb_block [6][3][4] |
| const int | pretab [SBMAX_l] |
| const scalefac_struct | sfBandIndex [9] |
| FLOAT | pow20 [Q_MAX+Q_MAX2+1] |
| FLOAT | ipow20 [Q_MAX] |
| FLOAT | pow43 [PRECALC_SIZE] |
| FLOAT | adj43 [PRECALC_SIZE] |
| #define NSATHSCALE 100 |
Robert Hegemann 2001-04-27: this adjusts the ATH, keeping the original noise floor affects the higher frequencies more than the lower ones.
Definition at line 576 of file quantize_pvt.c.
References FAST_LOG10_X.
| static FLOAT ATHmdct | ( | lame_global_flags const * | gfp, | |
| FLOAT | f | |||
| ) | [static] |
Definition at line 212 of file quantize_pvt.c.
References ATHformula(), lame_global_struct::ATHlower, gfp, NSATHSCALE, PSY_NSPSYTUNE, and lame_global_struct::psymodel.
Referenced by compute_ath().
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| int calc_noise | ( | gr_info const *const | cod_info, | |
| FLOAT const * | l3_xmin, | |||
| FLOAT * | distort, | |||
| calc_noise_result *const | res, | |||
| calc_noise_data * | prev_noise | |||
| ) |
Definition at line 832 of file quantize_pvt.c.
References calc_noise_core_c(), FAST_LOG10, gr_info::global_gain, calc_noise_data_t::global_gain, Max, gr_info::max_nonzero_coeff, calc_noise_data_t::noise, calc_noise_data_t::noise_log, calc_noise_result_t::over_SSD, POW20, gr_info::preflag, pretab, gr_info::psymax, gr_info::scalefac, gr_info::scalefac_scale, calc_noise_data_t::step, gr_info::subblock_gain, gr_info::width, and gr_info::window.
Referenced by outer_loop(), set_pinfo(), and trancate_smallspectrums().
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Definition at line 767 of file quantize_pvt.c.
References gr_info::big_values, gr_info::count1, gr_info::l3_enc, pow43, and gr_info::xr.
Referenced by calc_noise().
| int calc_xmin | ( | lame_global_flags const * | gfp, | |
| III_psy_ratio const *const | ratio, | |||
| gr_info *const | cod_info, | |||
| FLOAT * | pxmin | |||
| ) |
Definition at line 610 of file quantize_pvt.c.
References ATH_t::adjust, lame_internal_flags::ATH, athAdjust(), lame_global_struct::ATHonly, III_psy_ratio::en, f, ATH_t::floor, gfc, gfp, lame_global_struct::internal_flags, ATH_t::l, III_psy_xmin::l, nsPsy_t::longfact, lame_internal_flags::masking_lower, lame_internal_flags::nsPsy, gr_info::psy_lmax, SBPSY_l, III_psy_ratio::thm, lame_global_struct::VBR, vbr_mtrh, vbr_rh, gr_info::width, and gr_info::xr.
Referenced by ABR_iteration_loop(), CBR_iteration_loop(), set_pinfo(), VBR_new_prepare(), and VBR_old_prepare().
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| static void compute_ath | ( | lame_global_flags * | gfp | ) | [static] |
Definition at line 231 of file quantize_pvt.c.
References lame_internal_flags::ATH, ATHmdct(), FLOAT_MAX, ATH_t::floor, gfc, gfp, i, lame_global_struct::internal_flags, scalefac_struct::l, ATH_t::l, Min, lame_global_struct::noATH, lame_global_struct::out_samplerate, scalefac_struct::psfb12, PSFB12, ATH_t::psfb12, scalefac_struct::psfb21, PSFB21, ATH_t::psfb21, PSY_GPSYCHO, lame_global_struct::psymodel, scalefac_struct::s, ATH_t::s, SBMAX_l, SBMAX_s, and lame_internal_flags::scalefac_band.
Referenced by iteration_init().
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| void iteration_init | ( | lame_global_flags * | gfp | ) |
Definition at line 332 of file quantize_pvt.c.
References adj43, compute_ath(), lame_global_struct::exp_nspsytune, f, gfc, gfp, huffman_init(), i, init_xrpow_core_init(), lame_global_struct::internal_flags, ipow20, lame_internal_flags::iteration_init_init, lame_internal_flags::l3_side, III_side_info_t::main_data_begin, pow20, pow43, PRECALC_SIZE, PSY_NSPSYTUNE, lame_global_struct::psymodel, Q_MAX, Q_MAX2, quantize_init(), SBMAX_l, and SBMAX_s.
Referenced by lame_init_params().
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| int on_pe | ( | lame_global_flags const * | gfp, | |
| FLOAT const | pe[][2], | |||
| III_side_info_t const * | l3_side, | |||
| int | targ_bits[2], | |||
| int | mean_bits, | |||
| int | gr, | |||
| int | cbr | |||
| ) |
Definition at line 436 of file quantize_pvt.c.
References gr_info::block_type, lame_internal_flags::channels_out, gfc, gfp, lame_global_struct::internal_flags, MAX_BITS_PER_CHANNEL, MAX_BITS_PER_GRANULE, Min, PSY_NSPSYTUNE, lame_global_struct::psymodel, ResvMaxBits(), SHORT_TYPE, and III_side_info_t::tt.
Referenced by CBR_iteration_loop(), VBR_new_prepare(), and VBR_old_prepare().
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| void reduce_side | ( | int | targ_bits[2], | |
| FLOAT | ms_ener_ratio, | |||
| int | mean_bits, | |||
| int | max_bits | |||
| ) |
Definition at line 514 of file quantize_pvt.c.
References MAX_BITS_PER_CHANNEL, and MAX_BITS_PER_GRANULE.
Referenced by CBR_iteration_loop(), and VBR_old_prepare().
| void set_frame_pinfo | ( | lame_global_flags const * | gfp, | |
| III_psy_ratio const | ratio[2][2] | |||
| ) |
Definition at line 1060 of file quantize_pvt.c.
References lame_internal_flags::channels_out, gfc, gfp, lame_global_struct::internal_flags, lame_internal_flags::l3_side, lame_internal_flags::masking_lower, memcpy, lame_internal_flags::mode_gr, gr_info::scalefac, set_pinfo(), SFBMAX, and III_side_info_t::tt.
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| static void set_pinfo | ( | lame_global_flags const * | gfp, | |
| gr_info *const | cod_info, | |||
| const III_psy_ratio *const | ratio, | |||
| const int | gr, | |||
| const int | ch | |||
| ) | [static] |
Definition at line 950 of file quantize_pvt.c.
References lame_internal_flags::ATH, lame_global_struct::ATHonly, lame_global_struct::ATHshort, gr_info::block_type, calc_noise(), calc_xmin(), III_psy_ratio::en, plotting_data::en, plotting_data::en_s, gfc, gfp, i, lame_global_struct::internal_flags, ATH_t::l, III_psy_xmin::l, scalefac_struct::l, plotting_data::LAMEsfb, plotting_data::LAMEsfb_s, Max, gr_info::mixed_block_flag, lame_internal_flags::pinfo, gr_info::preflag, pretab, ATH_t::s, III_psy_xmin::s, scalefac_struct::s, SBMAX_s, SBPSY_l, SBPSY_s, gr_info::scalefac, lame_internal_flags::scalefac_band, gr_info::scalefac_scale, gr_info::sfb_lmax, gr_info::sfb_smin, SFBMAX, SHORT_TYPE, gr_info::subblock_gain, III_psy_ratio::thm, plotting_data::thr, plotting_data::thr_s, plotting_data::xfsf, plotting_data::xfsf_s, and gr_info::xr.
Referenced by set_frame_pinfo().
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Definition at line 173 of file quantize_pvt.c.
Referenced by calc_sfb_noise_ISO(), calc_sfb_noise_x34(), find_lowest_scalefac(), iteration_init(), quantize_ISO(), and quantize_x34().
| const int nr_of_sfb_block[6][3][4] |
Definition at line 172 of file quantize_pvt.c.
Referenced by calc_sfb_noise_ISO(), calc_sfb_noise_x34(), and iteration_init().
Definition at line 174 of file quantize_pvt.c.
Referenced by calc_noise_core_c(), calc_sfb_noise_ISO(), calc_sfb_noise_x34(), and iteration_init().
| const int pretab[SBMAX_l] |
Initial value:
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 0
}
Definition at line 87 of file quantize_pvt.c.
Referenced by calc_noise(), checkScalefactor(), inc_scalefac_scale(), long_block_constrain(), quantize_ISO(), quantize_x34(), quantize_xrpow(), scale_bitcount(), set_pinfo(), and set_scalefacs().
| const scalefac_struct sfBandIndex[9] |
1.5.2