| /external/opencore/codecs_v2/audio/gsm_amr/amr_wb/dec/src/ |
| isp_isf.cpp | 47 int16 isf[], (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5)
55 Isf_isp Transformation isf to isp
57 The transformation from isf[i] to isp[i] is
149 int16 isf[], /* (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
159 isp[i] = isf[i];
161 isp[m - 1] = shl_int16(isf[m - 1], 1);
165 ind = isp[i] >> 7; /* ind = b7-b15 of isf[i] */
166 offset = (isp[i] & 0x007f); /* offset = b0-b6 of isf[i] *
[all...] |
| dtx_decoder_amr_wb.cpp | 139 pv_memcpy((void *)st->isf, (void *)isf_init, M*sizeof(*isf_init));
200 int16 isf[], /* o : CN ISF vector */
234 /* compute mean log energy and isf from decoded signal (SID_FIRST) */
241 /* average energy and isf */
265 st->isf[j] = (int16)(L_isf[j] >> 3); /* divide by 8 */
275 pv_memcpy((void *)st->isf_old, (void *)st->isf, M*sizeof(*st->isf));
307 Disf_ns(ind, st->isf);
327 pv_memcpy((void *)st->isf_old, (void *)st->isf, M*sizeof(*st->isf))
[all...] |
| dtx.h | 135 int16 isf[M]; member in struct:__anon3505
166 int16 isf[M], /* o : CN ISF vector */
173 int16 isf_new[], /* i : isf vector */
184 int16 * isf1, /* input : ISF in the frequency domain (0..0.5) */
185 int16 * isf_q, /* output: quantized ISF */
196 int16 isf[], /* o : CN ISF vector */
202 int16 isf[],
213 int16 * isf_q /* input : ISF in the frequency domain (0..0.5) *
[all...] |
| qpisf_2s.cpp | 52 Coding/Decoding of ISF parameters with prediction.
54 The ISF vector is quantized using two-stage VQ with split-by-2
127 * Decoding of ISF parameters *
132 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) */
133 int16 * past_isfq,/* i/0 : past ISF quantizer */
134 int16 * isfold, /* input : past quantized ISF */
135 int16 * isf_buf, /* input : isf buffer */
210 tmp = add_int16(ref_isf[i], mult_int16(past_isfq[i], MU)); /* predicted ISF */
223 * Decoding of ISF parameters
228 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) *
[all...] |
| pvamrwbdecoder.cpp | 306 int16 *isf = &ispnew[M]; /* ISF (frequency domain) at 4nd sfr */ local
307 int16 *isf_tmp = &isf[M];
351 dtx_dec_amr_wb(&(st->dtx_decSt), exc2, newDTXState, isf, &prms);
436 Isf_isp(isf, ispnew, M);
450 L_tmp = mac_16by16_to_int32(L_tmp, isf[i], interpol_frac[j]);
470 pv_memcpy((void *)st->isfold, (void *)isf, M*sizeof(*isf));
499 Dpisf_2s_46b(ind, isf, st->past_isfq, st->isfold, st->isf_buf, bfi, 1);
510 Dpisf_2s_36b(ind, isf, st->past_isfq, st->isfold, st->isf_buf, bfi, 1)
[all...] |
| pvamrwbdecoder_acelp.h | 104 int16 isf[], /* (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
123 * isf quantizers *
128 int16 * isf_q /* input : ISF in the frequency domain (0..0.5) */
133 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) */
134 int16 * past_isfq, /* i/0 : past ISF quantizer */
135 int16 * isfold, /* input : past quantized ISF */
136 int16 * isf_buf, /* input : isf buffer */
142 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) */
143 int16 * past_isfq, /* i/0 : past ISF quantizer *
[all...] |
| /frameworks/base/media/libstagefright/codecs/amrwb/src/ |
| isp_isf.cpp | 47 int16 isf[], (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5)
55 Isf_isp Transformation isf to isp
57 The transformation from isf[i] to isp[i] is
149 int16 isf[], /* (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
159 isp[i] = isf[i];
161 isp[m - 1] = shl_int16(isf[m - 1], 1);
165 ind = isp[i] >> 7; /* ind = b7-b15 of isf[i] */
166 offset = (isp[i] & 0x007f); /* offset = b0-b6 of isf[i] *
[all...] |
| dtx_decoder_amr_wb.cpp | 139 pv_memcpy((void *)st->isf, (void *)isf_init, M*sizeof(*isf_init));
200 int16 isf[], /* o : CN ISF vector */
234 /* compute mean log energy and isf from decoded signal (SID_FIRST) */
241 /* average energy and isf */
265 st->isf[j] = (int16)(L_isf[j] >> 3); /* divide by 8 */
275 pv_memcpy((void *)st->isf_old, (void *)st->isf, M*sizeof(*st->isf));
307 Disf_ns(ind, st->isf);
327 pv_memcpy((void *)st->isf_old, (void *)st->isf, M*sizeof(*st->isf))
[all...] |
| dtx.h | 135 int16 isf[M]; member in struct:__anon7407
166 int16 isf[M], /* o : CN ISF vector */
173 int16 isf_new[], /* i : isf vector */
184 int16 * isf1, /* input : ISF in the frequency domain (0..0.5) */
185 int16 * isf_q, /* output: quantized ISF */
196 int16 isf[], /* o : CN ISF vector */
202 int16 isf[],
213 int16 * isf_q /* input : ISF in the frequency domain (0..0.5) *
[all...] |
| qpisf_2s.cpp | 52 Coding/Decoding of ISF parameters with prediction.
54 The ISF vector is quantized using two-stage VQ with split-by-2
127 * Decoding of ISF parameters *
132 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) */
133 int16 * past_isfq,/* i/0 : past ISF quantizer */
134 int16 * isfold, /* input : past quantized ISF */
135 int16 * isf_buf, /* input : isf buffer */
210 tmp = add_int16(ref_isf[i], mult_int16(past_isfq[i], MU)); /* predicted ISF */
223 * Decoding of ISF parameters
228 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) *
[all...] |
| pvamrwbdecoder.cpp | 306 int16 *isf = &ispnew[M]; /* ISF (frequency domain) at 4nd sfr */ local
307 int16 *isf_tmp = &isf[M];
351 dtx_dec_amr_wb(&(st->dtx_decSt), exc2, newDTXState, isf, &prms);
436 Isf_isp(isf, ispnew, M);
450 L_tmp = mac_16by16_to_int32(L_tmp, isf[i], interpol_frac[j]);
470 pv_memcpy((void *)st->isfold, (void *)isf, M*sizeof(*isf));
499 Dpisf_2s_46b(ind, isf, st->past_isfq, st->isfold, st->isf_buf, bfi, 1);
510 Dpisf_2s_36b(ind, isf, st->past_isfq, st->isfold, st->isf_buf, bfi, 1)
[all...] |
| pvamrwbdecoder_acelp.h | 104 int16 isf[], /* (i) Q15 : isf[m] normalized (range: 0.0<=val<=0.5) */
123 * isf quantizers *
128 int16 * isf_q /* input : ISF in the frequency domain (0..0.5) */
133 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) */
134 int16 * past_isfq, /* i/0 : past ISF quantizer */
135 int16 * isfold, /* input : past quantized ISF */
136 int16 * isf_buf, /* input : isf buffer */
142 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) */
143 int16 * past_isfq, /* i/0 : past ISF quantizer *
[all...] |
