diff options
Diffstat (limited to 'decoder/armv8/ixheaacd_qmf_dec_armv8.c')
| -rw-r--r-- | decoder/armv8/ixheaacd_qmf_dec_armv8.c | 163 |
1 files changed, 145 insertions, 18 deletions
diff --git a/decoder/armv8/ixheaacd_qmf_dec_armv8.c b/decoder/armv8/ixheaacd_qmf_dec_armv8.c index 2ba9e9f..1970ec0 100644 --- a/decoder/armv8/ixheaacd_qmf_dec_armv8.c +++ b/decoder/armv8/ixheaacd_qmf_dec_armv8.c @@ -64,6 +64,8 @@ #define ROUNDING_SPECTRA 1 #define HQ_SHIFT_VAL 4 +extern const WORD32 ixheaacd_ldmps_polyphase_filter_coeff_fix[1280]; + VOID ixheaacd_dct3_32(WORD32 *input, WORD32 *output, const WORD16 *main_twidle_fwd, const WORD16 *post_tbl, const WORD16 *w_16, const WORD32 *p_table) { @@ -302,15 +304,16 @@ VOID ixheaacd_cos_sin_mod(WORD32 *subband, VOID ixheaacd_fwd_modulation(const WORD32 *p_time_in1, WORD32 *real_subband, WORD32 *imag_subband, ia_sbr_qmf_filter_bank_struct *qmf_bank, - ia_qmf_dec_tables_struct *qmf_dec_tables_ptr) { + ia_qmf_dec_tables_struct *qmf_dec_tables_ptr, + WORD32 ld_mps_flag) { WORD32 i; - const WORD32 *p_time_in2 = &p_time_in1[2 * NO_ANALYSIS_CHANNELS - 1]; + const WORD32 *p_time_in2 = &p_time_in1[2 * qmf_bank->no_channels - 1]; WORD32 temp1, temp2; WORD32 *t_real_subband = real_subband; WORD32 *t_imag_subband = imag_subband; const WORD16 *tcos; - for (i = NO_ANALYSIS_CHANNELS - 1; i >= 0; i--) { + for (i = qmf_bank->no_channels - 1; i >= 0; i--) { temp1 = ixheaacd_shr32(*p_time_in1++, HQ_SHIFT_VAL); temp2 = ixheaacd_shr32(*p_time_in2--, HQ_SHIFT_VAL); @@ -326,18 +329,33 @@ VOID ixheaacd_fwd_modulation(const WORD32 *p_time_in1, WORD32 *real_subband, tcos = qmf_bank->t_cos; - for (i = (qmf_bank->usb - qmf_bank->lsb - 1); i >= 0; i--) { - WORD16 cosh, sinh; - WORD32 re, im; - - re = *real_subband; - im = *imag_subband; - cosh = *tcos++; - sinh = *tcos++; - *real_subband++ = ixheaacd_add32_sat(ixheaacd_mult32x16in32_shl(re, cosh), - ixheaacd_mult32x16in32_shl(im, sinh)); - *imag_subband++ = ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(im, cosh), - ixheaacd_mult32x16in32_shl(re, sinh)); + if (ld_mps_flag == 0) { + for (i = (qmf_bank->usb - qmf_bank->lsb - 1); i >= 0; i--) { + WORD16 cosh, sinh; + WORD32 re, im; + + re = *real_subband; + im = *imag_subband; + cosh = *tcos++; + sinh = *tcos++; + *real_subband++ = + ixheaacd_add32_sat(ixheaacd_mult32x16in32_shl(re, cosh), + ixheaacd_mult32x16in32_shl(im, sinh)); + *imag_subband++ = + ixheaacd_sub32_sat(ixheaacd_mult32x16in32_shl(im, cosh), + ixheaacd_mult32x16in32_shl(re, sinh)); + } + } else { + WORD32 i_band; + for (i = 0; i < min(64, qmf_bank->no_channels); i += 2) { + i_band = real_subband[i]; + real_subband[i] = -imag_subband[i]; + imag_subband[i] = i_band; + + i_band = -real_subband[i + 1]; + real_subband[i + 1] = imag_subband[i + 1]; + imag_subband[i + 1] = i_band; + } } } @@ -347,7 +365,7 @@ VOID ixheaacd_cplx_anal_qmffilt(const WORD16 *time_sample_buf, ia_sbr_qmf_filter_bank_struct *qmf_bank, ia_qmf_dec_tables_struct *qmf_dec_tables_ptr, WORD32 ch_fac, WORD32 low_pow_flag, - WORD audio_object_type) { + WORD audio_object_type, WORD32 ldmps_present) { WORD32 i, k; WORD32 num_time_slots = qmf_bank->num_time_slots; @@ -464,7 +482,7 @@ VOID ixheaacd_cplx_anal_qmffilt(const WORD16 *time_sample_buf, if (!low_pow_flag) { ixheaacd_fwd_modulation(analysis_buffer, qmf_real[i], qmf_imag[i], - qmf_bank, qmf_dec_tables_ptr); + qmf_bank, qmf_dec_tables_ptr, ldmps_present); } else { ixheaacd_dct3_32( (WORD32 *)analysis_buffer, qmf_real[i], qmf_dec_tables_ptr->dct23_tw, @@ -485,6 +503,115 @@ VOID ixheaacd_cplx_anal_qmffilt(const WORD16 *time_sample_buf, } } +VOID ixheaacd_cplx_anal_qmffilt_32(const WORD32 *time_sample_buf, + ia_sbr_scale_fact_struct *sbr_scale_factor, + WORD32 **qmf_real, WORD32 **qmf_imag, + ia_sbr_qmf_filter_bank_struct *qmf_bank, + ia_qmf_dec_tables_struct *qmf_dec_tables_ptr, + WORD32 ch_fac, WORD32 ldsbr_present) { + WORD32 i, k; + WORD32 num_time_slots = qmf_bank->num_time_slots; + + WORD32 analysis_buffer[4 * NO_ANALYSIS_CHANNELS]; + WORD32 *filter_states = qmf_bank->core_samples_buffer_32; + + WORD32 *fp1, *fp2, *tmp; + + WORD32 *filter_1; + WORD32 *filter_2; + WORD32 *filt_ptr; + WORD32 start_slot = 2; + + if (ldsbr_present) { + qmf_bank->filter_pos_32 += + (qmf_dec_tables_ptr->qmf_c_ldsbr_mps - qmf_bank->analy_win_coeff_32); + qmf_bank->analy_win_coeff_32 = qmf_dec_tables_ptr->qmf_c_ldsbr_mps; + } else { + qmf_bank->filter_pos_32 += (ixheaacd_ldmps_polyphase_filter_coeff_fix - + qmf_bank->analy_win_coeff_32); + qmf_bank->analy_win_coeff_32 = + (WORD32 *)ixheaacd_ldmps_polyphase_filter_coeff_fix; + } + + filter_1 = qmf_bank->filter_pos_32; + filter_2 = filter_1 + qmf_bank->no_channels; + + sbr_scale_factor->st_lb_scale = 0; + sbr_scale_factor->lb_scale = -10; + + sbr_scale_factor->lb_scale = -9; + if (qmf_bank->no_channels != 64) { + qmf_bank->cos_twiddle = + (WORD16 *)qmf_dec_tables_ptr->sbr_sin_cos_twiddle_l32; + qmf_bank->alt_sin_twiddle = + (WORD16 *)qmf_dec_tables_ptr->sbr_alt_sin_twiddle_l32; + } else { + qmf_bank->cos_twiddle = + (WORD16 *)qmf_dec_tables_ptr->sbr_sin_cos_twiddle_l64; + qmf_bank->alt_sin_twiddle = + (WORD16 *)qmf_dec_tables_ptr->sbr_alt_sin_twiddle_l64; + } + qmf_bank->t_cos = + (WORD16 *)qmf_dec_tables_ptr->ixheaacd_sbr_t_cos_sin_l32_eld; + + fp1 = qmf_bank->anal_filter_states_32; + fp2 = qmf_bank->anal_filter_states_32 + qmf_bank->no_channels; + + filter_2 = qmf_bank->filter_2_32; + fp1 = qmf_bank->fp1_anal_32; + fp2 = qmf_bank->fp2_anal_32; + + for (i = start_slot; i < num_time_slots + start_slot; i++) { + for (k = 0; k < qmf_bank->no_channels; k++) + filter_states[qmf_bank->no_channels - 1 - k] = + time_sample_buf[ch_fac * k]; + + if (ldsbr_present) { + ixheaacd_sbr_qmfanal32_winadd_eld_32(fp1, fp2, filter_1, filter_2, + analysis_buffer); + } else { + ixheaacd_sbr_qmfanal32_winadd_eld_mps(fp1, fp2, filter_1, filter_2, + analysis_buffer); + } + + time_sample_buf += qmf_bank->no_channels * ch_fac; + + filter_states -= qmf_bank->no_channels; + + if (filter_states < qmf_bank->anal_filter_states_32) { + filter_states = qmf_bank->anal_filter_states_32 + + ((qmf_bank->no_channels * 10) - qmf_bank->no_channels); + } + + tmp = fp1; + fp1 = fp2; + fp2 = tmp; + + filter_1 += qmf_bank->no_channels; + filter_2 += qmf_bank->no_channels; + + filt_ptr = filter_1; + filter_1 = filter_2; + filter_2 = filt_ptr; + + if (filter_2 > + (qmf_bank->analy_win_coeff_32 + (qmf_bank->no_channels * 10))) { + filter_1 = (WORD32 *)qmf_bank->analy_win_coeff_32; + filter_2 = (WORD32 *)qmf_bank->analy_win_coeff_32 + qmf_bank->no_channels; + } + + ixheaacd_fwd_modulation(analysis_buffer, qmf_real[i], qmf_imag[i], qmf_bank, + qmf_dec_tables_ptr, 1); + } + + qmf_bank->filter_pos_32 = filter_1; + qmf_bank->core_samples_buffer_32 = filter_states; + + qmf_bank->fp1_anal_32 = fp1; + qmf_bank->fp2_anal_32 = fp2; + qmf_bank->filter_2_32 = filter_2; +} + VOID ixheaacd_inv_modulation_lp(WORD32 *qmf_real, WORD16 *filter_states, ia_sbr_qmf_filter_bank_struct *syn_qmf, ia_qmf_dec_tables_struct *qmf_dec_tables_ptr) { @@ -1337,4 +1464,4 @@ VOID ixheaacd_radix4bfly(const WORD16 *w, WORD32 *x, WORD32 index1, x += fft_jmp; w_ptr = w_ptr - fft_jmp; } -}
\ No newline at end of file +} |