var common = require('./common.js');
var System = common.System;
var VbrMode = common.VbrMode;
var Float = common.Float;
var ShortBlock = common.ShortBlock;
var Util = common.Util;
var Arrays = common.Arrays;
var new_array_n = common.new_array_n;
var new_byte = common.new_byte;
var new_double = common.new_double;
var new_float = common.new_float;
var new_float_n = common.new_float_n;
var new_int = common.new_int;
var new_int_n = common.new_int_n;
var assert = common.assert;
function Presets () {
var Lame = require('./Lame.js');
function VBRPresets (qual, comp, compS,
y, shThreshold, shThresholdS,
adj, adjShort, lower,
curve, sens, inter,
joint, mod, fix) {
this.vbr_q = qual;
this.quant_comp = comp;
this.quant_comp_s = compS;
this.expY = y;
this.st_lrm = shThreshold;
this.st_s = shThresholdS;
this.masking_adj = adj;
this.masking_adj_short = adjShort;
this.ath_lower = lower;
this.ath_curve = curve;
this.ath_sensitivity = sens;
this.interch = inter;
this.safejoint = joint;
this.sfb21mod = mod;
this.msfix = fix;
}
function ABRPresets (kbps, comp, compS,
joint, fix, shThreshold,
shThresholdS, bass, sc,
mask, lower, curve,
interCh, sfScale) {
this.quant_comp = comp;
this.quant_comp_s = compS;
this.safejoint = joint;
this.nsmsfix = fix;
this.st_lrm = shThreshold;
this.st_s = shThresholdS;
this.nsbass = bass;
this.scale = sc;
this.masking_adj = mask;
this.ath_lower = lower;
this.ath_curve = curve;
this.interch = interCh;
this.sfscale = sfScale;
}
var lame;
this.setModules = function (_lame) {
lame = _lame;
};
/**
* <PRE>
* Switch mappings for VBR mode VBR_RH
* vbr_q qcomp_l qcomp_s expY st_lrm st_s mask adj_l adj_s ath_lower ath_curve ath_sens interChR safejoint sfb21mod msfix
* </PRE>
*/
var vbr_old_switch_map = [
new VBRPresets(0, 9, 9, 0, 5.20, 125.0, -4.2, -6.3, 4.8, 1, 0, 0, 2, 21, 0.97),
new VBRPresets(1, 9, 9, 0, 5.30, 125.0, -3.6, -5.6, 4.5, 1.5, 0, 0, 2, 21, 1.35),
new VBRPresets(2, 9, 9, 0, 5.60, 125.0, -2.2, -3.5, 2.8, 2, 0, 0, 2, 21, 1.49),
new VBRPresets(3, 9, 9, 1, 5.80, 130.0, -1.8, -2.8, 2.6, 3, -4, 0, 2, 20, 1.64),
new VBRPresets(4, 9, 9, 1, 6.00, 135.0, -0.7, -1.1, 1.1, 3.5, -8, 0, 2, 0, 1.79),
new VBRPresets(5, 9, 9, 1, 6.40, 140.0, 0.5, 0.4, -7.5, 4, -12, 0.0002, 0, 0, 1.95),
new VBRPresets(6, 9, 9, 1, 6.60, 145.0, 0.67, 0.65, -14.7, 6.5, -19, 0.0004, 0, 0, 2.30),
new VBRPresets(7, 9, 9, 1, 6.60, 145.0, 0.8, 0.75, -19.7, 8, -22, 0.0006, 0, 0, 2.70),
new VBRPresets(8, 9, 9, 1, 6.60, 145.0, 1.2, 1.15, -27.5, 10, -23, 0.0007, 0, 0, 0),
new VBRPresets(9, 9, 9, 1, 6.60, 145.0, 1.6, 1.6, -36, 11, -25, 0.0008, 0, 0, 0),
new VBRPresets(10, 9, 9, 1, 6.60, 145.0, 2.0, 2.0, -36, 12, -25, 0.0008, 0, 0, 0)
];
/**
* <PRE>
* vbr_q qcomp_l qcomp_s expY st_lrm st_s mask adj_l adj_s ath_lower ath_curve ath_sens interChR safejoint sfb21mod msfix
* </PRE>
*/
var vbr_psy_switch_map = [
new VBRPresets(0, 9, 9, 0, 4.20, 25.0, -7.0, -4.0, 7.5, 1, 0, 0, 2, 26, 0.97),
new VBRPresets(1, 9, 9, 0, 4.20, 25.0, -5.6, -3.6, 4.5, 1.5, 0, 0, 2, 21, 1.35),
new VBRPresets(2, 9, 9, 0, 4.20, 25.0, -4.4, -1.8, 2, 2, 0, 0, 2, 18, 1.49),
new VBRPresets(3, 9, 9, 1, 4.20, 25.0, -3.4, -1.25, 1.1, 3, -4, 0, 2, 15, 1.64),
new VBRPresets(4, 9, 9, 1, 4.20, 25.0, -2.2, 0.1, 0, 3.5, -8, 0, 2, 0, 1.79),
new VBRPresets(5, 9, 9, 1, 4.20, 25.0, -1.0, 1.65, -7.7, 4, -12, 0.0002, 0, 0, 1.95),
new VBRPresets(6, 9, 9, 1, 4.20, 25.0, -0.0, 2.47, -7.7, 6.5, -19, 0.0004, 0, 0, 2),
new VBRPresets(7, 9, 9, 1, 4.20, 25.0, 0.5, 2.0, -14.5, 8, -22, 0.0006, 0, 0, 2),
new VBRPresets(8, 9, 9, 1, 4.20, 25.0, 1.0, 2.4, -22.0, 10, -23, 0.0007, 0, 0, 2),
new VBRPresets(9, 9, 9, 1, 4.20, 25.0, 1.5, 2.95, -30.0, 11, -25, 0.0008, 0, 0, 2),
new VBRPresets(10, 9, 9, 1, 4.20, 25.0, 2.0, 2.95, -36.0, 12, -30, 0.0008, 0, 0, 2)
];
function apply_vbr_preset (gfp, a, enforce) {
var vbr_preset = gfp.VBR == VbrMode.vbr_rh ? vbr_old_switch_map
: vbr_psy_switch_map;
var x = gfp.VBR_q_frac;
var p = vbr_preset[a];
var q = vbr_preset[a + 1];
var set = p;
// NOOP(vbr_q);
// NOOP(quant_comp);
// NOOP(quant_comp_s);
// NOOP(expY);
p.st_lrm = p.st_lrm + x * (q.st_lrm - p.st_lrm);
// LERP(st_lrm);
p.st_s = p.st_s + x * (q.st_s - p.st_s);
// LERP(st_s);
p.masking_adj = p.masking_adj + x * (q.masking_adj - p.masking_adj);
// LERP(masking_adj);
p.masking_adj_short = p.masking_adj_short + x
* (q.masking_adj_short - p.masking_adj_short);
// LERP(masking_adj_short);
p.ath_lower = p.ath_lower + x * (q.ath_lower - p.ath_lower);
// LERP(ath_lower);
p.ath_curve = p.ath_curve + x * (q.ath_curve - p.ath_curve);
// LERP(ath_curve);
p.ath_sensitivity = p.ath_sensitivity + x
* (q.ath_sensitivity - p.ath_sensitivity);
// LERP(ath_sensitivity);
p.interch = p.interch + x * (q.interch - p.interch);
// LERP(interch);
// NOOP(safejoint);
// NOOP(sfb21mod);
p.msfix = p.msfix + x * (q.msfix - p.msfix);
// LERP(msfix);
lame_set_VBR_q(gfp, set.vbr_q);
if (enforce != 0)
gfp.quant_comp = set.quant_comp;
else if (!(Math.abs(gfp.quant_comp - -1) > 0))
gfp.quant_comp = set.quant_comp;
// SET_OPTION(quant_comp, set.quant_comp, -1);
if (enforce != 0)
gfp.quant_comp_short = set.quant_comp_s;
else if (!(Math.abs(gfp.quant_comp_short - -1) > 0))
gfp.quant_comp_short = set.quant_comp_s;
// SET_OPTION(quant_comp_short, set.quant_comp_s, -1);
if (set.expY != 0) {
gfp.experimentalY = set.expY != 0;
}
if (enforce != 0)
gfp.internal_flags.nsPsy.attackthre = set.st_lrm;
else if (!(Math.abs(gfp.internal_flags.nsPsy.attackthre - -1) > 0))
gfp.internal_flags.nsPsy.attackthre = set.st_lrm;
// SET_OPTION(short_threshold_lrm, set.st_lrm, -1);
if (enforce != 0)
gfp.internal_flags.nsPsy.attackthre_s = set.st_s;
else if (!(Math.abs(gfp.internal_flags.nsPsy.attackthre_s - -1) > 0))
gfp.internal_flags.nsPsy.attackthre_s = set.st_s;
// SET_OPTION(short_threshold_s, set.st_s, -1);
if (enforce != 0)
gfp.maskingadjust = set.masking_adj;
else if (!(Math.abs(gfp.maskingadjust - 0) > 0))
gfp.maskingadjust = set.masking_adj;
// SET_OPTION(maskingadjust, set.masking_adj, 0);
if (enforce != 0)
gfp.maskingadjust_short = set.masking_adj_short;
else if (!(Math.abs(gfp.maskingadjust_short - 0) > 0))
gfp.maskingadjust_short = set.masking_adj_short;
// SET_OPTION(maskingadjust_short, set.masking_adj_short, 0);
if (enforce != 0)
gfp.ATHlower = -set.ath_lower / 10.0;
else if (!(Math.abs((-gfp.ATHlower * 10.0) - 0) > 0))
gfp.ATHlower = -set.ath_lower / 10.0;
// SET_OPTION(ATHlower, set.ath_lower, 0);
if (enforce != 0)
gfp.ATHcurve = set.ath_curve;
else if (!(Math.abs(gfp.ATHcurve - -1) > 0))
gfp.ATHcurve = set.ath_curve;
// SET_OPTION(ATHcurve, set.ath_curve, -1);
if (enforce != 0)
gfp.athaa_sensitivity = set.ath_sensitivity;
else if (!(Math.abs(gfp.athaa_sensitivity - -1) > 0))
gfp.athaa_sensitivity = set.ath_sensitivity;
// SET_OPTION(athaa_sensitivity, set.ath_sensitivity, 0);
if (set.interch > 0) {
if (enforce != 0)
gfp.interChRatio = set.interch;
else if (!(Math.abs(gfp.interChRatio - -1) > 0))
gfp.interChRatio = set.interch;
// SET_OPTION(interChRatio, set.interch, -1);
}
/* parameters for which there is no proper set/get interface */
if (set.safejoint > 0) {
gfp.exp_nspsytune = gfp.exp_nspsytune | set.safejoint;
}
if (set.sfb21mod > 0) {
gfp.exp_nspsytune = gfp.exp_nspsytune | (set.sfb21mod << 20);
}
if (enforce != 0)
gfp.msfix = set.msfix;
else if (!(Math.abs(gfp.msfix - -1) > 0))
gfp.msfix = set.msfix;
// SET_OPTION(msfix, set.msfix, -1);
if (enforce == 0) {
gfp.VBR_q = a;
gfp.VBR_q_frac = x;
}
}
/**
* <PRE>
* Switch mappings for ABR mode
*
* kbps quant q_s safejoint nsmsfix st_lrm st_s ns-bass scale msk ath_lwr ath_curve interch , sfscale
* </PRE>
*/
var abr_switch_map = [
new ABRPresets(8, 9, 9, 0, 0, 6.60, 145, 0, 0.95, 0, -30.0, 11, 0.0012, 1), /* 8, impossible to use in stereo */
new ABRPresets(16, 9, 9, 0, 0, 6.60, 145, 0, 0.95, 0, -25.0, 11, 0.0010, 1), /* 16 */
new ABRPresets(24, 9, 9, 0, 0, 6.60, 145, 0, 0.95, 0, -20.0, 11, 0.0010, 1), /* 24 */
new ABRPresets(32, 9, 9, 0, 0, 6.60, 145, 0, 0.95, 0, -15.0, 11, 0.0010, 1), /* 32 */
new ABRPresets(40, 9, 9, 0, 0, 6.60, 145, 0, 0.95, 0, -10.0, 11, 0.0009, 1), /* 40 */
new ABRPresets(48, 9, 9, 0, 0, 6.60, 145, 0, 0.95, 0, -10.0, 11, 0.0009, 1), /* 48 */
new ABRPresets(56, 9, 9, 0, 0, 6.60, 145, 0, 0.95, 0, -6.0, 11, 0.0008, 1), /* 56 */
new ABRPresets(64, 9, 9, 0, 0, 6.60, 145, 0, 0.95, 0, -2.0, 11, 0.0008, 1), /* 64 */
new ABRPresets(80, 9, 9, 0, 0, 6.60, 145, 0, 0.95, 0, .0, 8, 0.0007, 1), /* 80 */
new ABRPresets(96, 9, 9, 0, 2.50, 6.60, 145, 0, 0.95, 0, 1.0, 5.5, 0.0006, 1), /* 96 */
new ABRPresets(112, 9, 9, 0, 2.25, 6.60, 145, 0, 0.95, 0, 2.0, 4.5, 0.0005, 1), /* 112 */
new ABRPresets(128, 9, 9, 0, 1.95, 6.40, 140, 0, 0.95, 0, 3.0, 4, 0.0002, 1), /* 128 */
new ABRPresets(160, 9, 9, 1, 1.79, 6.00, 135, 0, 0.95, -2, 5.0, 3.5, 0, 1), /* 160 */
new ABRPresets(192, 9, 9, 1, 1.49, 5.60, 125, 0, 0.97, -4, 7.0, 3, 0, 0), /* 192 */
new ABRPresets(224, 9, 9, 1, 1.25, 5.20, 125, 0, 0.98, -6, 9.0, 2, 0, 0), /* 224 */
new ABRPresets(256, 9, 9, 1, 0.97, 5.20, 125, 0, 1.00, -8, 10.0, 1, 0, 0), /* 256 */
new ABRPresets(320, 9, 9, 1, 0.90, 5.20, 125, 0, 1.00, -10, 12.0, 0, 0, 0) /* 320 */
];
function apply_abr_preset (gfp, preset, enforce) {
/* Variables for the ABR stuff */
var actual_bitrate = preset;
var r = lame.nearestBitrateFullIndex(preset);
gfp.VBR = VbrMode.vbr_abr;
gfp.VBR_mean_bitrate_kbps = actual_bitrate;
gfp.VBR_mean_bitrate_kbps = Math.min(gfp.VBR_mean_bitrate_kbps, 320);
gfp.VBR_mean_bitrate_kbps = Math.max(gfp.VBR_mean_bitrate_kbps, 8);
gfp.brate = gfp.VBR_mean_bitrate_kbps;
if (gfp.VBR_mean_bitrate_kbps > 320) {
gfp.disable_reservoir = true;
}
/* parameters for which there is no proper set/get interface */
if (abr_switch_map[r].safejoint > 0)
gfp.exp_nspsytune = gfp.exp_nspsytune | 2;
/* safejoint */
if (abr_switch_map[r].sfscale > 0) {
gfp.internal_flags.noise_shaping = 2;
}
/* ns-bass tweaks */
if (Math.abs(abr_switch_map[r].nsbass) > 0) {
var k = (int)(abr_switch_map[r].nsbass * 4);
if (k < 0)
k += 64;
gfp.exp_nspsytune = gfp.exp_nspsytune | (k << 2);
}
if (enforce != 0)
gfp.quant_comp = abr_switch_map[r].quant_comp;
else if (!(Math.abs(gfp.quant_comp - -1) > 0))
gfp.quant_comp = abr_switch_map[r].quant_comp;
// SET_OPTION(quant_comp, abr_switch_map[r].quant_comp, -1);
if (enforce != 0)
gfp.quant_comp_short = abr_switch_map[r].quant_comp_s;
else if (!(Math.abs(gfp.quant_comp_short - -1) > 0))
gfp.quant_comp_short = abr_switch_map[r].quant_comp_s;
// SET_OPTION(quant_comp_short, abr_switch_map[r].quant_comp_s, -1);
if (enforce != 0)
gfp.msfix = abr_switch_map[r].nsmsfix;
else if (!(Math.abs(gfp.msfix - -1) > 0))
gfp.msfix = abr_switch_map[r].nsmsfix;
// SET_OPTION(msfix, abr_switch_map[r].nsmsfix, -1);
if (enforce != 0)
gfp.internal_flags.nsPsy.attackthre = abr_switch_map[r].st_lrm;
else if (!(Math.abs(gfp.internal_flags.nsPsy.attackthre - -1) > 0))
gfp.internal_flags.nsPsy.attackthre = abr_switch_map[r].st_lrm;
// SET_OPTION(short_threshold_lrm, abr_switch_map[r].st_lrm, -1);
if (enforce != 0)
gfp.internal_flags.nsPsy.attackthre_s = abr_switch_map[r].st_s;
else if (!(Math.abs(gfp.internal_flags.nsPsy.attackthre_s - -1) > 0))
gfp.internal_flags.nsPsy.attackthre_s = abr_switch_map[r].st_s;
// SET_OPTION(short_threshold_s, abr_switch_map[r].st_s, -1);
/*
* ABR seems to have big problems with clipping, especially at low
* bitrates
*/
/*
* so we compensate for that here by using a scale value depending on
* bitrate
*/
if (enforce != 0)
gfp.scale = abr_switch_map[r].scale;
else if (!(Math.abs(gfp.scale - -1) > 0))
gfp.scale = abr_switch_map[r].scale;
// SET_OPTION(scale, abr_switch_map[r].scale, -1);
if (enforce != 0)
gfp.maskingadjust = abr_switch_map[r].masking_adj;
else if (!(Math.abs(gfp.maskingadjust - 0) > 0))
gfp.maskingadjust = abr_switch_map[r].masking_adj;
// SET_OPTION(maskingadjust, abr_switch_map[r].masking_adj, 0);
if (abr_switch_map[r].masking_adj > 0) {
if (enforce != 0)
gfp.maskingadjust_short = (abr_switch_map[r].masking_adj * .9);
else if (!(Math.abs(gfp.maskingadjust_short - 0) > 0))
gfp.maskingadjust_short = (abr_switch_map[r].masking_adj * .9);
// SET_OPTION(maskingadjust_short, abr_switch_map[r].masking_adj *
// .9, 0);
} else {
if (enforce != 0)
gfp.maskingadjust_short = (abr_switch_map[r].masking_adj * 1.1);
else if (!(Math.abs(gfp.maskingadjust_short - 0) > 0))
gfp.maskingadjust_short = (abr_switch_map[r].masking_adj * 1.1);
// SET_OPTION(maskingadjust_short, abr_switch_map[r].masking_adj *
// 1.1, 0);
}
if (enforce != 0)
gfp.ATHlower = -abr_switch_map[r].ath_lower / 10.;
else if (!(Math.abs((-gfp.ATHlower * 10.) - 0) > 0))
gfp.ATHlower = -abr_switch_map[r].ath_lower / 10.;
// SET_OPTION(ATHlower, abr_switch_map[r].ath_lower, 0);
if (enforce != 0)
gfp.ATHcurve = abr_switch_map[r].ath_curve;
else if (!(Math.abs(gfp.ATHcurve - -1) > 0))
gfp.ATHcurve = abr_switch_map[r].ath_curve;
// SET_OPTION(ATHcurve, abr_switch_map[r].ath_curve, -1);
if (enforce != 0)
gfp.interChRatio = abr_switch_map[r].interch;
else if (!(Math.abs(gfp.interChRatio - -1) > 0))
gfp.interChRatio = abr_switch_map[r].interch;
// SET_OPTION(interChRatio, abr_switch_map[r].interch, -1);
return preset;
}
this.apply_preset = function (gfp, preset, enforce) {
/* translate legacy presets */
switch (preset) {
case Lame.R3MIX:
{
preset = Lame.V3;
gfp.VBR = VbrMode.vbr_mtrh;
break;
}
case Lame.MEDIUM:
{
preset = Lame.V4;
gfp.VBR = VbrMode.vbr_rh;
break;
}
case Lame.MEDIUM_FAST:
{
preset = Lame.V4;
gfp.VBR = VbrMode.vbr_mtrh;
break;
}
case Lame.STANDARD:
{
preset = Lame.V2;
gfp.VBR = VbrMode.vbr_rh;
break;
}
case Lame.STANDARD_FAST:
{
preset = Lame.V2;
gfp.VBR = VbrMode.vbr_mtrh;
break;
}
case Lame.EXTREME:
{
preset = Lame.V0;
gfp.VBR = VbrMode.vbr_rh;
break;
}
case Lame.EXTREME_FAST:
{
preset = Lame.V0;
gfp.VBR = VbrMode.vbr_mtrh;
break;
}
case Lame.INSANE:
{
preset = 320;
gfp.preset = preset;
apply_abr_preset(gfp, preset, enforce);
gfp.VBR = VbrMode.vbr_off;
return preset;
}
}
gfp.preset = preset;
{
switch (preset) {
case Lame.V9:
apply_vbr_preset(gfp, 9, enforce);
return preset;
case Lame.V8:
apply_vbr_preset(gfp, 8, enforce);
return preset;
case Lame.V7:
apply_vbr_preset(gfp, 7, enforce);
return preset;
case Lame.V6:
apply_vbr_preset(gfp, 6, enforce);
return preset;
case Lame.V5:
apply_vbr_preset(gfp, 5, enforce);
return preset;
case Lame.V4:
apply_vbr_preset(gfp, 4, enforce);
return preset;
case Lame.V3:
apply_vbr_preset(gfp, 3, enforce);
return preset;
case Lame.V2:
apply_vbr_preset(gfp, 2, enforce);
return preset;
case Lame.V1:
apply_vbr_preset(gfp, 1, enforce);
return preset;
case Lame.V0:
apply_vbr_preset(gfp, 0, enforce);
return preset;
default:
break;
}
}
if (8 <= preset && preset <= 320) {
return apply_abr_preset(gfp, preset, enforce);
}
/* no corresponding preset found */
gfp.preset = 0;
return preset;
}
// Rest from getset.c:
/**
* VBR quality level.<BR>
* 0 = highest<BR>
* 9 = lowest
*/
function lame_set_VBR_q (gfp, VBR_q) {
var ret = 0;
if (0 > VBR_q) {
/* Unknown VBR quality level! */
ret = -1;
VBR_q = 0;
}
if (9 < VBR_q) {
ret = -1;
VBR_q = 9;
}
gfp.VBR_q = VBR_q;
gfp.VBR_q_frac = 0;
return ret;
}
}
module.exports = Presets;
