*/
static av_always_inline int quant(float coef, const float Q)
{
- return pow(coef * Q, 0.75) + 0.4054;
+ float a = coef * Q;
+ return sqrtf(a * sqrtf(a)) + 0.4054;
}
static void quantize_bands(int (*out)[2], const float *in, const float *scaled,
double qc;
for (i = 0; i < size; i++) {
qc = scaled[i] * Q34;
- out[i][0] = (int)FFMIN((int)qc, maxval);
- out[i][1] = (int)FFMIN((int)(qc + 0.4054), maxval);
+ out[i][0] = (int)FFMIN(qc, (double)maxval);
+ out[i][1] = (int)FFMIN(qc + 0.4054, (double)maxval);
if (is_signed && in[i] < 0.0f) {
out[i][0] = -out[i][0];
out[i][1] = -out[i][1];
{
#ifndef USE_REALLY_FULL_SEARCH
int i;
- for (i = 0; i < size; i++)
- out[i] = pow(fabsf(in[i]), 0.75);
+ for (i = 0; i < size; i++) {
+ float a = fabsf(in[i]);
+ out[i] = sqrtf(a * sqrtf(a));
+ }
#endif /* USE_REALLY_FULL_SEARCH */
}
const int dim = cb < FIRST_PAIR_BT ? 4 : 2;
int resbits = 0;
#ifndef USE_REALLY_FULL_SEARCH
- const float Q34 = pow(Q, 0.75);
+ const float Q34 = sqrtf(Q * sqrtf(Q));
const int range = aac_cb_range[cb];
const int maxval = aac_cb_maxval[cb];
int offs[4];
const int dim = (cb < FIRST_PAIR_BT) ? 4 : 2;
int i, j, k;
#ifndef USE_REALLY_FULL_SEARCH
- const float Q34 = pow(Q, 0.75);
+ const float Q34 = sqrtf(Q * sqrtf(Q));
const int range = aac_cb_range[cb];
const int maxval = aac_cb_maxval[cb];
int offs[4];
*/
typedef struct BandCodingPath {
int prev_idx; ///< pointer to the previous path point
- int codebook; ///< codebook for coding band run
float cost; ///< path cost
int run;
} BandCodingPath;
float mindist = INFINITY;
int minbits = 0;
- if (sce->zeroes[w*16+g] || sce->sf_idx[w*16+g] >= 218)
+ if (sce->zeroes[w*16+g] || sce->sf_idx[w*16+g] >= 218) {
+ start += sce->ics.swb_sizes[g];
continue;
+ }
minscaler = FFMIN(minscaler, sce->sf_idx[w*16+g]);
for (cb = 0; cb <= ESC_BT; cb++) {
float dist = 0.0f;
scaled + w2*128,
sce->ics.swb_sizes[g],
sce->sf_idx[w*16+g],
- ESC_BT,
+ cb,
lambda,
INFINITY,
&b);
search_for_quantizers_faac,
encode_window_bands_info,
quantize_and_encode_band,
-// search_for_ms,
+ search_for_ms,
},
{
search_for_quantizers_anmr,
encode_window_bands_info,
quantize_and_encode_band,
-// search_for_ms,
+ search_for_ms,
},
{
search_for_quantizers_twoloop,
encode_window_bands_info,
quantize_and_encode_band,
-// search_for_ms,
+ search_for_ms,
},
{
search_for_quantizers_fast,
encode_window_bands_info,
quantize_and_encode_band,
-// search_for_ms,
+ search_for_ms,
},
};