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Classes | |
| struct | calc_noise_result_t |
| struct | calc_noise_data_t |
| allows re-use of previously computed noise values More... | |
Defines | |
| #define | IXMAX_VAL 8206 |
| #define | PRECALC_SIZE (IXMAX_VAL+2) |
| #define | Q_MAX (256+1) |
| #define | Q_MAX2 116 |
| #define | LARGE_BITS 100000 |
Typedefs | |
| typedef calc_noise_result_t | calc_noise_result |
| typedef calc_noise_data_t | calc_noise_data |
| allows re-use of previously computed noise values | |
Functions | |
| int | on_pe (lame_global_flags const *gfp, FLOAT const pe[2][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) |
| int | bin_search_StepSize (lame_internal_flags *const gfc, gr_info *const cod_info, int desired_rate, const int ch, const FLOAT xrpow[576]) |
| void | iteration_init (lame_global_flags *gfp) |
| int | calc_xmin (lame_global_flags const *gfp, III_psy_ratio const *const ratio, gr_info *const cod_info, FLOAT *l3_xmin) |
| int | calc_noise (const gr_info *const cod_info, const FLOAT *l3_xmin, FLOAT *distort, calc_noise_result *const res, calc_noise_data *prev_noise) |
| void | set_frame_pinfo (lame_global_flags const *gfp, III_psy_ratio const ratio[2][2]) |
| int | count_bits (lame_internal_flags const *const gfc, const FLOAT *const xr, gr_info *const cod_info, calc_noise_data *prev_noise) |
| int | noquant_count_bits (lame_internal_flags const *const gfc, gr_info *const cod_info, calc_noise_data *prev_noise) |
| void | best_huffman_divide (const lame_internal_flags *const gfc, gr_info *const cod_info) |
| void | best_scalefac_store (const lame_internal_flags *gfc, const int gr, const int ch, III_side_info_t *const l3_side) |
| int | scale_bitcount (gr_info *const cod_info) |
| int | scale_bitcount_lsf (const lame_internal_flags *gfp, gr_info *const cod_info) |
| void | huffman_init (lame_internal_flags *const gfc) |
| void | quantize_init (lame_internal_flags *const gfc) |
| void | init_xrpow_core_init (lame_internal_flags *const gfc) |
| 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. | |
Variables | |
| const int | nr_of_sfb_block [6][3][4] |
| const int | pretab [SBMAX_l] |
| const int | slen1_tab [16] |
| const int | slen2_tab [16] |
| const scalefac_struct | sfBandIndex [9] |
| FLOAT | pow43 [PRECALC_SIZE] |
| FLOAT | adj43 [PRECALC_SIZE] |
| FLOAT | pow20 [Q_MAX+Q_MAX2+1] |
| FLOAT | ipow20 [Q_MAX] |
| FLOAT | iipow20 [Q_MAX2+1] |
| #define IXMAX_VAL 8206 |
Definition at line 25 of file quantize_pvt.h.
Referenced by choose_table_nonMMX(), count_bits(), find_lowest_scalefac(), k_34_2(), k_34_4(), k_iso_2(), and k_iso_4().
| #define LARGE_BITS 100000 |
Definition at line 133 of file quantize_pvt.h.
Referenced by choose_table_nonMMX(), count_bits(), recalc_divide_init(), scale_bitcount(), searchGlobalStepsizeMax(), and tryGlobalStepsize().
| #define PRECALC_SIZE (IXMAX_VAL+2) |
| #define Q_MAX (256+1) |
| #define Q_MAX2 116 |
Definition at line 48 of file quantize_pvt.h.
Referenced by calc_sfb_noise_ISO(), calc_sfb_noise_x34(), and iteration_init().
| typedef struct calc_noise_data_t calc_noise_data |
allows re-use of previously computed noise values
| typedef struct calc_noise_result_t calc_noise_result |
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.
| void best_huffman_divide | ( | const lame_internal_flags *const | gfc, | |
| gr_info *const | cod_info | |||
| ) |
Definition at line 973 of file takehiro.c.
References gr_info::big_values, gr_info::block_type, gr_info::count1, gr_info::count1bits, gr_info::count1table_select, gfc, i, gr_info::l3_enc, memcpy, lame_internal_flags::mode_gr, NORM_TYPE, gr_info::part2_3_length, recalc_divide_init(), recalc_divide_sub(), SHORT_TYPE, t32l, t33l, and gr_info::table_select.
Referenced by iteration_finish_one(), and reduce_bit_usage().
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| void best_scalefac_store | ( | const lame_internal_flags * | gfc, | |
| const int | gr, | |||
| const int | ch, | |||
| III_side_info_t *const | l3_side | |||
| ) |
Definition at line 1108 of file takehiro.c.
References i, gr_info::l3_enc, gr_info::preflag, gr_info::scalefac, gr_info::scalefac_scale, gr_info::sfbmax, III_side_info_t::tt, and gr_info::width.
Referenced by iteration_finish_one(), and reduce_bit_usage().
| int bin_search_StepSize | ( | lame_internal_flags *const | gfc, | |
| gr_info *const | cod_info, | |||
| int | desired_rate, | |||
| const int | ch, | |||
| const FLOAT | xrpow[576] | |||
| ) |
Definition at line 351 of file quantize.c.
References BINSEARCH_DOWN, BINSEARCH_NONE, BINSEARCH_UP, count_bits(), lame_internal_flags::CurrentStep, gfc, gr_info::global_gain, lame_internal_flags::OldValue, gr_info::part2_3_length, and gr_info::part2_length.
Referenced by outer_loop().
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| int calc_noise | ( | const gr_info *const | cod_info, | |
| const FLOAT * | 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, calc_noise_data_t::global_gain, gr_info::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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| int calc_xmin | ( | lame_global_flags const * | gfp, | |
| III_psy_ratio const *const | ratio, | |||
| gr_info *const | cod_info, | |||
| FLOAT * | l3_xmin | |||
| ) |
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, III_psy_xmin::l, ATH_t::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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| int count_bits | ( | lame_internal_flags const *const | gfc, | |
| const FLOAT *const | xr, | |||
| gr_info *const | cod_info, | |||
| calc_noise_data * | prev_noise | |||
| ) |
Definition at line 858 of file takehiro.c.
References gfc, gr_info::global_gain, IPOW20, IXMAX_VAL, gr_info::l3_enc, LARGE_BITS, noquant_count_bits(), lame_internal_flags::pseudohalf, quantize_xrpow(), gr_info::scalefac_scale, gr_info::sfbmax, lame_internal_flags::substep_shaping, gr_info::width, and gr_info::xrpow_max.
Referenced by bin_search_StepSize(), and outer_loop().
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| void huffman_init | ( | lame_internal_flags *const | gfc | ) |
Definition at line 1410 of file takehiro.c.
References lame_internal_flags::bv_scf, lame_internal_flags::choose_table, choose_table_nonMMX(), lame_internal_flags::CPU_features, gfc, i, scalefac_struct::l, lame_internal_flags::MMX, region0_count, region1_count, lame_internal_flags::scalefac_band, and subdv_table.
Referenced by iteration_init().
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| void init_xrpow_core_init | ( | lame_internal_flags *const | gfc | ) |
Definition at line 95 of file quantize.c.
References lame_internal_flags::CPU_features, gfc, lame_internal_flags::init_xrpow_core, init_xrpow_core_c(), and lame_internal_flags::SSE.
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 noquant_count_bits | ( | lame_internal_flags const *const | gfc, | |
| gr_info *const | cod_info, | |||
| calc_noise_data * | prev_noise | |||
| ) |
Definition at line 750 of file takehiro.c.
References gr_info::big_values, gr_info::block_type, gr_info::count1, gr_info::count1bits, gr_info::count1table_select, gfc, i, gr_info::l3_enc, gr_info::max_nonzero_coeff, Min, scalefac_struct::s, lame_internal_flags::scalefac_band, calc_noise_data_t::sfb_count1, SHORT_TYPE, t32l, and t33l.
Referenced by count_bits(), and quantizeAndCountBits().
| int on_pe | ( | lame_global_flags const * | gfp, | |
| FLOAT const | pe[2][2], | |||
| III_side_info_t const * | l3_side, | |||
| int | targ_bits[2], | |||
| int | mean_bits, | |||
| int | gr, | |||
| int | cbr | |||
| ) |
| void quantize_init | ( | lame_internal_flags *const | gfc | ) |
Definition at line 502 of file takehiro.c.
References gfc, lame_internal_flags::quantization, lame_internal_flags::quantize_lines_xrpow, quantize_lines_xrpow(), and quantize_lines_xrpow_ISO().
Referenced by iteration_init().
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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().
| int scale_bitcount | ( | gr_info *const | cod_info | ) |
Definition at line 1227 of file takehiro.c.
References all_scalefactors_not_negative(), gr_info::block_type, LARGE_BITS, gr_info::mixed_block_flag, gr_info::part2_length, gr_info::preflag, pretab, gr_info::scalefac, gr_info::scalefac_compress, gr_info::sfbdivide, gr_info::sfbmax, SHORT_TYPE, slen1_n, and slen2_n.
Referenced by balance_noise(), and bitcount().
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| int scale_bitcount_lsf | ( | const lame_internal_flags * | gfp, | |
| gr_info *const | cod_info | |||
| ) |
Definition at line 1308 of file takehiro.c.
References gr_info::block_type, i, nr_of_sfb_block, gr_info::preflag, gr_info::scalefac, SHORT_TYPE, and window.
Referenced by balance_noise(), and bitcount().
| 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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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] |
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] |
| const int slen1_tab[16] |
| const int slen2_tab[16] |
1.5.2