static void sbr_process_channel(sbr_info *sbr, real_t *channel_buf, qmf_t X[MAX_NTSR][64],
uint8_t ch, uint8_t dont_process,
const uint8_t downSampledSBR)
{
int16_t k, l;
(void)downSampledSBR;
#ifdef DRM
if (sbr->Is_DRM_SBR)
{
sbr->bsco = max((int32_t)sbr->maxAACLine*32/(int32_t)sbr->frame_len - (int32_t)sbr->kx, 0);
} else {
#endif
sbr->bsco = 0;
#ifdef DRM
}
#endif
//#define PRE_QMF_PRINT
#ifdef PRE_QMF_PRINT
{
int i;
for (i = 0; i < 1024; i++)
{
printf("%d\n", channel_buf[i]);
}
}
#endif
/* subband analysis */
if (dont_process)
sbr_qmf_analysis_32(sbr, &sbr->qmfa[ch], channel_buf, sbr->Xsbr[ch], sbr->tHFGen, 32);
else
sbr_qmf_analysis_32(sbr, &sbr->qmfa[ch], channel_buf, sbr->Xsbr[ch], sbr->tHFGen, sbr->kx);
if (!dont_process)
{
#if 1
/* insert high frequencies here */
/* hf generation using patching */
hf_generation(sbr, sbr->Xsbr[ch], sbr->Xsbr[ch]
#ifdef SBR_LOW_POWER
,deg
#endif
,ch);
#endif
#ifdef SBR_LOW_POWER
for (l = sbr->t_E[ch][0]; l < sbr->t_E[ch][sbr->L_E[ch]]; l++)
{
for (k = 0; k < sbr->kx; k++)
{
QMF_RE(sbr->Xsbr[ch][sbr->tHFAdj + l][k]) = 0;
}
}
#endif
#if 1
/* hf adjustment */
hf_adjustment(sbr, sbr->Xsbr[ch]
#ifdef SBR_LOW_POWER
,deg
#endif
,ch);
#endif
}
if ((sbr->just_seeked != 0) || dont_process)
{
for (l = 0; l < sbr->numTimeSlotsRate; l++)
{
for (k = 0; k < 32; k++)
{
QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
#ifndef SBR_LOW_POWER
QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
#endif
}
for (k = 32; k < 64; k++)
{
QMF_RE(X[l][k]) = 0;
#ifndef SBR_LOW_POWER
QMF_IM(X[l][k]) = 0;
#endif
}
}
} else {
for (l = 0; l < sbr->numTimeSlotsRate; l++)
{
uint8_t kx_band, M_band, bsco_band;
if (l < sbr->t_E[ch][0])
{
kx_band = sbr->kx_prev;
M_band = sbr->M_prev;
bsco_band = sbr->bsco_prev;
} else {
kx_band = sbr->kx;
M_band = sbr->M;
bsco_band = sbr->bsco;
}
#ifndef SBR_LOW_POWER
for (k = 0; k < kx_band + bsco_band; k++)
{
QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
}
for (k = kx_band + bsco_band; k < kx_band + M_band; k++)
{
QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
}
for (k = max(kx_band + bsco_band, kx_band + M_band); k < 64; k++)
{
QMF_RE(X[l][k]) = 0;
QMF_IM(X[l][k]) = 0;
}
#else
for (k = 0; k < kx_band + bsco_band; k++)
{
QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
}
for (k = kx_band + bsco_band; k < min(kx_band + M_band, 63); k++)
{
QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
}
for (k = max(kx_band + bsco_band, kx_band + M_band); k < 64; k++)
{
QMF_RE(X[l][k]) = 0;
}
QMF_RE(X[l][kx_band - 1 + bsco_band]) +=
QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][kx_band - 1 + bsco_band]);
#endif
}
}
}
static void sbr_process_channel(sbr_info *sbr, real_t *channel_buf, qmf_t X[MAX_NTSR][64],
uint8_t ch, uint8_t dont_process)
{
int16_t i, k, l;
#ifdef SBR_LOW_POWER
ALIGN real_t deg[64];
#endif
if (sbr->frame == 0)
{
uint8_t j;
sbr->qmfa[ch] = qmfa_init(32);
sbr->qmfs[ch] = qmfs_init(64);
for (j = 0; j < 5; j++)
{
sbr->G_temp_prev[ch][j] = faad_malloc(64*sizeof(real_t));
sbr->Q_temp_prev[ch][j] = faad_malloc(64*sizeof(real_t));
}
memset(sbr->Xsbr[ch], 0, (sbr->numTimeSlotsRate+sbr->tHFGen)*64 * sizeof(qmf_t));
memset(sbr->Xcodec[ch], 0, (sbr->numTimeSlotsRate+sbr->tHFGen)*32 * sizeof(qmf_t));
}
/* subband analysis */
if (dont_process)
sbr_qmf_analysis_32(sbr, sbr->qmfa[ch], channel_buf, sbr->Xcodec[ch], sbr->tHFGen, 32);
else
sbr_qmf_analysis_32(sbr, sbr->qmfa[ch], channel_buf, sbr->Xcodec[ch], sbr->tHFGen, sbr->kx);
if (!dont_process)
{
#if 1
/* insert high frequencies here */
/* hf generation using patching */
hf_generation(sbr, sbr->Xcodec[ch], sbr->Xsbr[ch]
#ifdef SBR_LOW_POWER
,deg
#endif
,ch);
#endif
#ifdef SBR_LOW_POWER
for (l = sbr->t_E[ch][0]; l < sbr->t_E[ch][sbr->L_E[ch]]; l++)
{
for (k = 0; k < sbr->kx; k++)
{
QMF_RE(sbr->Xsbr[ch][sbr->tHFAdj + l][k]) = 0;
}
}
#endif
#if 1
/* hf adjustment */
hf_adjustment(sbr, sbr->Xsbr[ch]
#ifdef SBR_LOW_POWER
,deg
#endif
,ch);
#endif
}
if ((sbr->just_seeked != 0) || dont_process)
{
for (l = 0; l < sbr->numTimeSlotsRate; l++)
{
for (k = 0; k < 32; k++)
{
QMF_RE(X[l][k]) = QMF_RE(sbr->Xcodec[ch][l + sbr->tHFAdj][k]);
#ifndef SBR_LOW_POWER
QMF_IM(X[l][k]) = QMF_IM(sbr->Xcodec[ch][l + sbr->tHFAdj][k]);
#endif
}
for (k = 32; k < 64; k++)
{
QMF_RE(X[l][k]) = 0;
#ifndef SBR_LOW_POWER
QMF_IM(X[l][k]) = 0;
#endif
}
}
} else {
for (l = 0; l < sbr->numTimeSlotsRate; l++)
{
uint8_t xover_band;
if (l < sbr->t_E[ch][0])
xover_band = sbr->kx_prev;
else
xover_band = sbr->kx;
for (k = 0; k < xover_band; k++)
{
QMF_RE(X[l][k]) = QMF_RE(sbr->Xcodec[ch][l + sbr->tHFAdj][k]);
#ifndef SBR_LOW_POWER
QMF_IM(X[l][k]) = QMF_IM(sbr->Xcodec[ch][l + sbr->tHFAdj][k]);
#endif
}
for (k = xover_band; k < 64; k++)
{
QMF_RE(X[l][k]) = QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
#ifndef SBR_LOW_POWER
QMF_IM(X[l][k]) = QMF_IM(sbr->Xsbr[ch][l + sbr->tHFAdj][k]);
#endif
}
#ifdef SBR_LOW_POWER
QMF_RE(X[l][xover_band - 1]) += QMF_RE(sbr->Xsbr[ch][l + sbr->tHFAdj][xover_band - 1]);
#endif
}
}
for (i = 0; i < sbr->tHFGen; i++)
{
memmove(sbr->Xcodec[ch][i], sbr->Xcodec[ch][i+sbr->numTimeSlotsRate], 32 * sizeof(qmf_t));
memmove(sbr->Xsbr[ch][i], sbr->Xsbr[ch][i+sbr->numTimeSlotsRate], 64 * sizeof(qmf_t));
}
}
void sbrDecodeFrame(sbr_info *sbr, real_t *left_channel,
real_t *right_channel, uint8_t id_aac,
uint8_t just_seeked)
{
int16_t i, k, l;
uint8_t dont_process = 0;
uint8_t ch, channels, ret;
real_t *ch_buf;
sbr->id_aac = id_aac;
channels = (id_aac == ID_SCE) ? 1 : 2;
ret = sbr_extension_data(&sbr->ld, sbr, id_aac);
ret = (sbr->ld.error)? sbr->ld.error : ret;
if(ret || (sbr->header_count == 0))
dont_process = 1;
if(just_seeked)
sbr->just_seeked = 1;
else
sbr->just_seeked = 0;
for (ch = 0; ch < channels; ch++){
if (ch == 0)
ch_buf = left_channel;
else
ch_buf = right_channel;
for (i = 0; i < tHFAdj; i++){
int8_t j;
for (j = sbr->kx_prev; j < sbr->kx; j++){
QMF_RE(sbr->Xcodec[ch][i*32 + j]) = 0;
QMF_IM(sbr->Xcodec[ch][i*32 + j]) = 0;
}
}
sbr_qmf_analysis_32(sbr->qmfa[ch], ch_buf, sbr->Xcodec[ch], tHFGen);
if(!dont_process){
hf_generation(sbr, sbr->Xcodec[ch], sbr->Xsbr[ch],ch);
hf_adjustment(sbr, sbr->Xsbr[ch],ch);
}
if((sbr->just_seeked != 0) || dont_process){
for (l = 0; l < 32; l++){
for (k = 0; k < 32; k++){
QMF_RE(sbr->temp_X[l * 64 + k]) = QMF_RE(sbr->Xcodec[ch][(l + tHFAdj)*32 + k]);
QMF_IM(sbr->temp_X[l * 64 + k]) = QMF_IM(sbr->Xcodec[ch][(l + tHFAdj)*32 + k]);
}
for (k = 32; k < 64; k++){
QMF_RE(sbr->temp_X[l * 64 + k]) = 0;
QMF_IM(sbr->temp_X[l * 64 + k]) = 0;
}
}
}else{
for (l = 0; l < 32; l++){
uint8_t xover_band;
if (l < sbr->t_E[ch][0])
xover_band = sbr->kx_prev;
else
xover_band = sbr->kx;
for (k = 0; k < xover_band; k++){
QMF_RE(sbr->temp_X[l * 64 + k]) = QMF_RE(sbr->Xcodec[ch][(l + tHFAdj)*32 + k]);
QMF_IM(sbr->temp_X[l * 64 + k]) = QMF_IM(sbr->Xcodec[ch][(l + tHFAdj)*32 + k]);
}
for (k = xover_band; k < 64; k++){
QMF_RE(sbr->temp_X[l * 64 + k]) = QMF_RE(sbr->Xsbr[ch][(l + tHFAdj)*64 + k]);
QMF_IM(sbr->temp_X[l * 64 + k]) = QMF_IM(sbr->Xsbr[ch][(l + tHFAdj)*64 + k]);
}
}
}
sbr_qmf_synthesis_64(sbr->qmfs[ch], (const complex_t*)sbr->temp_X, ch_buf);
for (i = 0; i < 32; i++){
int8_t j;
for (j = 0; j < tHFGen; j++){
QMF_RE(sbr->Xcodec[ch][j*32 + i]) = QMF_RE(sbr->Xcodec[ch][(j+32)*32 + i]);
QMF_IM(sbr->Xcodec[ch][j*32 + i]) = QMF_IM(sbr->Xcodec[ch][(j+32)*32 + i]);
}
}
for (i = 0; i < 64; i++){
int8_t j;
for (j = 0; j < tHFGen; j++){
QMF_RE(sbr->Xsbr[ch][j*64 + i]) = QMF_RE(sbr->Xsbr[ch][(j+32)*64 + i]);
QMF_IM(sbr->Xsbr[ch][j*64 + i]) = QMF_IM(sbr->Xsbr[ch][(j+32)*64 + i]);
}
}
}
if (sbr->bs_header_flag)
sbr->just_seeked = 0;
if (sbr->header_count != 0){
for (ch = 0; ch < channels; ch++)
sbr_save_prev_data(sbr, ch);
}
sbr->frame++;
}
