29 #include "config_components.h"
41 #define RENAME(element) element ## _float
43 #define RENAME(element) element ## _fixed
55 for (ch = 0; ch <
s->channels; ch++) {
62 SampleType *windowed_samples =
s->RENAME(windowed_samples);
64 s->fdsp->vector_fmul(windowed_samples, input_samples0,
70 s->tx_fn(
s->tx,
block->mdct_coef[ch+1],
71 windowed_samples,
sizeof(*windowed_samples));
72 input_samples0 = input_samples1;
76 memcpy(
s->planar_samples[ch], input_samples0,
95 int cpl_start, num_cpl_coefs;
104 cpl_start =
s->start_freq[
CPL_CH] - 1;
105 num_cpl_coefs =
FFALIGN(
s->num_cpl_subbands * 12 + 1, 32);
106 cpl_start =
FFMIN(256, cpl_start + num_cpl_coefs) - num_cpl_coefs;
112 if (!
block->cpl_in_use)
114 memset(cpl_coef, 0, num_cpl_coefs *
sizeof(*cpl_coef));
115 for (ch = 1; ch <=
s->fbw_channels; ch++) {
117 if (!
block->channel_in_cpl[ch])
119 for (
i = 0;
i < num_cpl_coefs;
i++)
120 cpl_coef[
i] += ch_coef[
i];
131 while (i < s->cpl_end_freq) {
132 int band_size =
s->cpl_band_sizes[bnd];
133 for (ch =
CPL_CH; ch <=
s->fbw_channels; ch++) {
138 for (j = 0; j < band_size; j++) {
151 if (!
block->cpl_in_use)
153 for (ch = 1; ch <=
s->fbw_channels; ch++) {
154 if (!
block->channel_in_cpl[ch])
156 for (bnd = 0; bnd <
s->num_cpl_bands; bnd++) {
168 memset(
block->new_cpl_coords, 0,
sizeof(
block->new_cpl_coords));
170 if (
block->cpl_in_use) {
177 for (ch = 1; ch <=
s->fbw_channels; ch++)
178 block->new_cpl_coords[ch] = 1;
180 for (ch = 1; ch <=
s->fbw_channels; ch++) {
181 if (!
block->channel_in_cpl[ch])
184 block->new_cpl_coords[ch] = 1;
187 for (bnd = 0; bnd <
s->num_cpl_bands; bnd++) {
188 coord_diff +=
FFABS(cpl_coords[
blk-1][ch][bnd] -
189 cpl_coords[
blk ][ch][bnd]);
191 coord_diff /=
s->num_cpl_bands;
193 block->new_cpl_coords[ch] = 1;
204 for (bnd = 0; bnd <
s->num_cpl_bands; bnd++) {
206 while (blk < s->num_blocks) {
210 if (!
block->cpl_in_use) {
215 for (ch = 1; ch <=
s->fbw_channels; ch++) {
217 if (!
block->channel_in_cpl[ch])
220 energy_ch = energy[
blk][ch][bnd];
222 while (blk1 < s->num_blocks && !
s->blocks[blk1].new_cpl_coords[ch]) {
223 if (
s->blocks[blk1].cpl_in_use) {
224 energy_cpl += energy[blk1][
CPL_CH][bnd];
225 energy_ch += energy[blk1][ch][bnd];
238 if (!
block->cpl_in_use)
242 s->ac3dsp.float_to_fixed24(fixed_cpl_coords[
blk][1],
244 s->fbw_channels * 16);
246 s->ac3dsp.extract_exponents(
block->cpl_coord_exp[1],
247 fixed_cpl_coords[
blk][1],
248 s->fbw_channels * 16);
250 for (ch = 1; ch <=
s->fbw_channels; ch++) {
251 int bnd, min_exp, max_exp, master_exp;
253 if (!
block->new_cpl_coords[ch])
257 min_exp = max_exp =
block->cpl_coord_exp[ch][0];
258 for (bnd = 1; bnd <
s->num_cpl_bands; bnd++) {
259 int exp =
block->cpl_coord_exp[ch][bnd];
263 master_exp = ((max_exp - 15) + 2) / 3;
264 master_exp =
FFMAX(master_exp, 0);
265 while (min_exp < master_exp * 3)
267 for (bnd = 0; bnd <
s->num_cpl_bands; bnd++) {
269 master_exp * 3, 0, 15);
271 block->cpl_master_exp[ch] = master_exp;
274 for (bnd = 0; bnd <
s->num_cpl_bands; bnd++) {
275 int cpl_exp =
block->cpl_coord_exp[ch][bnd];
276 int cpl_mant = (fixed_cpl_coords[
blk][ch][bnd] << (5 + cpl_exp + master_exp * 3)) >> 24;
282 block->cpl_coord_mant[ch][bnd] = cpl_mant;
306 block->new_rematrixing_strategy = !
blk;
308 block->num_rematrixing_bands = 4;
309 if (
block->cpl_in_use) {
310 block->num_rematrixing_bands -= (
s->start_freq[
CPL_CH] <= 61);
311 block->num_rematrixing_bands -= (
s->start_freq[
CPL_CH] == 37);
313 block->new_rematrixing_strategy = 1;
317 if (!
s->rematrixing_enabled) {
322 for (bnd = 0; bnd <
block->num_rematrixing_bands; bnd++) {
328 block->mdct_coef[2] + start, end - start);
331 if (
FFMIN(sum[2], sum[3]) <
FFMIN(sum[0], sum[1]))
332 block->rematrixing_flags[bnd] = 1;
334 block->rematrixing_flags[bnd] = 0;
339 block->new_rematrixing_strategy = 1;
351 s->cpl_on =
s->cpl_enabled;