void
iteration_init(lame_internal_flags * gfc)
{
SessionConfig_t const *const cfg = &gfc->cfg;
III_side_info_t *const l3_side = &gfc->l3_side;
FLOAT adjust, db;
int i, sel;
if (gfc->iteration_init_init == 0) {
gfc->iteration_init_init = 1;
l3_side->main_data_begin = 0;
compute_ath(gfc);
pow43[0] = 0.0;
for (i = 1; i < PRECALC_SIZE; i++)
pow43[i] = pow((FLOAT) i, 4.0 / 3.0);
#ifdef TAKEHIRO_IEEE754_HACK
adj43asm[0] = 0.0;
for (i = 1; i < PRECALC_SIZE; i++)
adj43asm[i] = i - 0.5 - pow(0.5 * (pow43[i - 1] + pow43[i]), 0.75);
#else
for (i = 0; i < PRECALC_SIZE - 1; i++)
adj43[i] = (i + 1) - pow(0.5 * (pow43[i] + pow43[i + 1]), 0.75);
adj43[i] = 0.5;
#endif
for (i = 0; i < Q_MAX; i++)
ipow20[i] = pow(2.0, (double) (i - 210) * -0.1875);
for (i = 0; i <= Q_MAX + Q_MAX2; i++)
pow20[i] = pow(2.0, (double) (i - 210 - Q_MAX2) * 0.25);
huffman_init(gfc);
init_xrpow_core_init(gfc);
sel = 1;/* RH: all modes like vbr-new (cfg->vbr == vbr_mt || cfg->vbr == vbr_mtrh) ? 1 : 0;*/
/* long */
db = cfg->adjust_bass_db + payload_long[sel][0];
adjust = powf(10.f, db * 0.1f);
for (i = 0; i <= 6; ++i) {
gfc->sv_qnt.longfact[i] = adjust;
}
db = cfg->adjust_alto_db + payload_long[sel][1];
adjust = powf(10.f, db * 0.1f);
for (; i <= 13; ++i) {
gfc->sv_qnt.longfact[i] = adjust;
}
db = cfg->adjust_treble_db + payload_long[sel][2];
adjust = powf(10.f, db * 0.1f);
for (; i <= 20; ++i) {
gfc->sv_qnt.longfact[i] = adjust;
}
db = cfg->adjust_sfb21_db + payload_long[sel][3];
adjust = powf(10.f, db * 0.1f);
for (; i < SBMAX_l; ++i) {
gfc->sv_qnt.longfact[i] = adjust;
}
/* short */
db = cfg->adjust_bass_db + payload_short[sel][0];
adjust = powf(10.f, db * 0.1f);
for (i = 0; i <= 2; ++i) {
gfc->sv_qnt.shortfact[i] = adjust;
}
db = cfg->adjust_alto_db + payload_short[sel][1];
adjust = powf(10.f, db * 0.1f);
for (; i <= 6; ++i) {
gfc->sv_qnt.shortfact[i] = adjust;
}
db = cfg->adjust_treble_db + payload_short[sel][2];
adjust = powf(10.f, db * 0.1f);
for (; i <= 11; ++i) {
gfc->sv_qnt.shortfact[i] = adjust;
}
db = cfg->adjust_sfb21_db + payload_short[sel][3];
adjust = powf(10.f, db * 0.1f);
for (; i < SBMAX_s; ++i) {
gfc->sv_qnt.shortfact[i] = adjust;
}
}
}
void
iteration_init(lame_internal_flags * gfc)
{
SessionConfig_t const *const cfg = &gfc->cfg;
III_side_info_t *const l3_side = &gfc->l3_side;
int i;
if (gfc->iteration_init_init == 0) {
gfc->iteration_init_init = 1;
l3_side->main_data_begin = 0;
compute_ath(gfc);
pow43[0] = 0.0;
for (i = 1; i < PRECALC_SIZE; i++)
pow43[i] = pow((FLOAT) i, 4.0 / 3.0);
#ifdef TAKEHIRO_IEEE754_HACK
adj43asm[0] = 0.0;
for (i = 1; i < PRECALC_SIZE; i++)
adj43asm[i] = i - 0.5 - pow(0.5 * (pow43[i - 1] + pow43[i]), 0.75);
#else
for (i = 0; i < PRECALC_SIZE - 1; i++)
adj43[i] = (i + 1) - pow(0.5 * (pow43[i] + pow43[i + 1]), 0.75);
adj43[i] = 0.5;
#endif
for (i = 0; i < Q_MAX; i++)
ipow20[i] = pow(2.0, (double) (i - 210) * -0.1875);
for (i = 0; i <= Q_MAX + Q_MAX2; i++)
pow20[i] = pow(2.0, (double) (i - 210 - Q_MAX2) * 0.25);
huffman_init(gfc);
init_xrpow_core_init(gfc);
for (i = 0; i < SBMAX_l; i++) {
FLOAT f;
if (i <= 6)
f = cfg->adjust_bass;
else if (i <= 13)
f = cfg->adjust_alto;
else if (i <= 20)
f = cfg->adjust_treble;
else
f = cfg->adjust_sfb21;
gfc->sv_qnt.longfact[i] = f;
}
for (i = 0; i < SBMAX_s; i++) {
FLOAT f;
if (i <= 5)
f = cfg->adjust_bass;
else if (i <= 10)
f = cfg->adjust_alto;
else if (i <= 11)
f = cfg->adjust_treble;
else
f = cfg->adjust_sfb21;
gfc->sv_qnt.shortfact[i] = f;
}
}
}
