|
|
|
@ -319,7 +319,8 @@ static void compute_svector(QCELPContext *q, const float *gain, |
|
|
|
|
tmp_gain = gain[i] * QCELP_RATE_FULL_CODEBOOK_RATIO; |
|
|
|
|
cindex = -q->frame.cindex[i]; |
|
|
|
|
for (j = 0; j < 10; j++) |
|
|
|
|
*cdn_vector++ = tmp_gain * qcelp_rate_full_codebook[cindex++ & 127]; |
|
|
|
|
*cdn_vector++ = tmp_gain * |
|
|
|
|
qcelp_rate_full_codebook[cindex++ & 127]; |
|
|
|
|
} |
|
|
|
|
break; |
|
|
|
|
case RATE_HALF: |
|
|
|
@ -327,7 +328,8 @@ static void compute_svector(QCELPContext *q, const float *gain, |
|
|
|
|
tmp_gain = gain[i] * QCELP_RATE_HALF_CODEBOOK_RATIO; |
|
|
|
|
cindex = -q->frame.cindex[i]; |
|
|
|
|
for (j = 0; j < 40; j++) |
|
|
|
|
*cdn_vector++ = tmp_gain * qcelp_rate_half_codebook[cindex++ & 127]; |
|
|
|
|
*cdn_vector++ = tmp_gain * |
|
|
|
|
qcelp_rate_half_codebook[cindex++ & 127]; |
|
|
|
|
} |
|
|
|
|
break; |
|
|
|
|
case RATE_QUARTER: |
|
|
|
@ -372,7 +374,8 @@ static void compute_svector(QCELPContext *q, const float *gain, |
|
|
|
|
for (i = 0; i < 4; i++) { |
|
|
|
|
tmp_gain = gain[i] * QCELP_RATE_FULL_CODEBOOK_RATIO; |
|
|
|
|
for (j = 0; j < 40; j++) |
|
|
|
|
*cdn_vector++ = tmp_gain * qcelp_rate_full_codebook[cbseed++ & 127]; |
|
|
|
|
*cdn_vector++ = tmp_gain * |
|
|
|
|
qcelp_rate_full_codebook[cbseed++ & 127]; |
|
|
|
|
} |
|
|
|
|
break; |
|
|
|
|
case SILENCE: |
|
|
|
@ -433,7 +436,8 @@ static const float *do_pitchfilter(float memory[303], const float v_in[160], |
|
|
|
|
for (v_len = v_in + 40; v_in < v_len; v_in++) { |
|
|
|
|
if (pfrac[i]) { // If it is a fractional lag...
|
|
|
|
|
for (j = 0, *v_out = 0.0; j < 4; j++) |
|
|
|
|
*v_out += qcelp_hammsinc_table[j] * (v_lag[j - 4] + v_lag[3 - j]); |
|
|
|
|
*v_out += qcelp_hammsinc_table[j] * |
|
|
|
|
(v_lag[j - 4] + v_lag[3 - j]); |
|
|
|
|
} else |
|
|
|
|
*v_out = *v_lag; |
|
|
|
|
|
|
|
|
@ -509,7 +513,8 @@ static void apply_pitch_filters(QCELPContext *q, float *cdn_vector) |
|
|
|
|
|
|
|
|
|
apply_gain_ctrl(cdn_vector, v_synthesis_filtered, v_pre_filtered); |
|
|
|
|
} else { |
|
|
|
|
memcpy(q->pitch_synthesis_filter_mem, cdn_vector + 17, 143 * sizeof(float)); |
|
|
|
|
memcpy(q->pitch_synthesis_filter_mem, |
|
|
|
|
cdn_vector + 17, 143 * sizeof(float)); |
|
|
|
|
memcpy(q->pitch_pre_filter_mem, cdn_vector + 17, 143 * sizeof(float)); |
|
|
|
|
memset(q->pitch_gain, 0, sizeof(q->pitch_gain)); |
|
|
|
|
memset(q->pitch_lag, 0, sizeof(q->pitch_lag)); |
|
|
|
@ -766,7 +771,8 @@ erasure: |
|
|
|
|
formant_mem = q->formant_mem + 10; |
|
|
|
|
for (i = 0; i < 4; i++) { |
|
|
|
|
interpolate_lpc(q, quantized_lspf, lpc, i); |
|
|
|
|
ff_celp_lp_synthesis_filterf(formant_mem, lpc, outbuffer + i * 40, 40, 10); |
|
|
|
|
ff_celp_lp_synthesis_filterf(formant_mem, lpc, |
|
|
|
|
outbuffer + i * 40, 40, 10); |
|
|
|
|
formant_mem += 40; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|