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Searched refs:pitch_lag (Results 1 - 13 of 13) sorted by relevance

/third_party/ffmpeg/libavcodec/
H A Ddss_sp.c49 int16_t pitch_lag[SUBFRAMES]; member
313 uint32_t pitch_lag; in dss_sp_unpack_coeffs() local
401 fparam->pitch_lag[0] = (combined_pitch % 151) + 36; in dss_sp_unpack_coeffs()
406 fparam->pitch_lag[i] = combined_pitch % 48; in dss_sp_unpack_coeffs()
413 fparam->pitch_lag[i] = combined_pitch; in dss_sp_unpack_coeffs()
415 pitch_lag = fparam->pitch_lag[0]; in dss_sp_unpack_coeffs()
417 if (pitch_lag > 162) { in dss_sp_unpack_coeffs()
418 fparam->pitch_lag[i] += 162 - 23; in dss_sp_unpack_coeffs()
420 tmp = pitch_lag in dss_sp_unpack_coeffs()
473 dss_sp_gen_exc(int32_t *vector, int32_t *prev_exc, int pitch_lag, int gain) dss_sp_gen_exc() argument
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H A Dg723_1enc.c536 * @param pitch_lag open loop pitch period
539 static void comp_harmonic_coeff(int16_t *buf, int16_t pitch_lag, HFParam *hf) in comp_harmonic_coeff() argument
546 for (i = 0, j = pitch_lag - 3; j <= pitch_lag + 3; i++, j++) { in comp_harmonic_coeff()
589 hf->index = pitch_lag; in comp_harmonic_coeff()
604 hf->index += pitch_lag - 3; in comp_harmonic_coeff()
693 int pitch_lag = p->pitch_lag[index >> 1]; in acb_search() local
705 if (pitch_lag == PITCH_MIN) in acb_search()
706 pitch_lag in acb_search()
821 get_fcb_param(FCBParam *optim, int16_t *impulse_resp, int16_t *buf, int pulse_cnt, int pitch_lag) get_fcb_param() argument
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H A Dg723_1dec.c183 p->pitch_lag[0] = get_bits(&gb, 7); in unpack_bitstream()
184 if (p->pitch_lag[0] > 123) /* test if forbidden code */ in unpack_bitstream()
186 p->pitch_lag[0] += PITCH_MIN; in unpack_bitstream()
189 p->pitch_lag[1] = get_bits(&gb, 7); in unpack_bitstream()
190 if (p->pitch_lag[1] > 123) in unpack_bitstream()
192 p->pitch_lag[1] += PITCH_MIN; in unpack_bitstream()
202 if (p->cur_rate == RATE_6300 && p->pitch_lag[i >> 1] < SUBFRAME_LEN - 2) { in unpack_bitstream()
279 * @param pitch_lag closed loop pitch lag
283 enum Rate cur_rate, int pitch_lag, int index) in gen_fcb_excitation()
312 ff_g723_1_gen_dirac_train(vector, pitch_lag); in gen_fcb_excitation()
282 gen_fcb_excitation(int16_t *vector, G723_1_Subframe *subfrm, enum Rate cur_rate, int pitch_lag, int index) gen_fcb_excitation() argument
349 autocorr_max(const int16_t *buf, int offset, int *ccr_max, int pitch_lag, int length, int dir) autocorr_max() argument
430 comp_ppf_coeff(G723_1_ChannelContext *p, int offset, int pitch_lag, PPFParam *ppf, enum Rate cur_rate) comp_ppf_coeff() argument
516 comp_interp_index(G723_1_ChannelContext *p, int pitch_lag, int *exc_eng, int *scale) comp_interp_index() argument
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H A Dg723_1.c1146 void ff_g723_1_gen_dirac_train(int16_t *buf, int pitch_lag) in ff_g723_1_gen_dirac_train() argument
1152 for (i = pitch_lag; i < SUBFRAME_LEN; i += pitch_lag) { in ff_g723_1_gen_dirac_train()
1159 int pitch_lag, G723_1_Subframe *subfrm, in ff_g723_1_gen_acb_excitation()
1164 int lag = pitch_lag + subfrm->ad_cb_lag - 1; in ff_g723_1_gen_acb_excitation()
1172 if (cur_rate == RATE_6300 && pitch_lag < SUBFRAME_LEN - 2) { in ff_g723_1_gen_acb_excitation()
1158 ff_g723_1_gen_acb_excitation(int16_t *vector, int16_t *prev_excitation, int pitch_lag, G723_1_Subframe *subfrm, enum Rate cur_rate) ff_g723_1_gen_acb_excitation() argument
H A Dacelp_vectors.c232 if (in->pitch_lag > 0) { in ff_set_fixed_vector()
237 x += in->pitch_lag; in ff_set_fixed_vector()
250 if (in->pitch_lag > 0) in ff_clear_fixed_vector()
253 x += in->pitch_lag; in ff_clear_fixed_vector()
H A Dg723_1.h125 int pitch_lag[2]; member
191 void ff_g723_1_gen_dirac_train(int16_t *buf, int pitch_lag);
198 int pitch_lag, G723_1_Subframe *subfrm,
H A Dqcelpdec.c71 uint8_t pitch_lag[4]; member
481 q->pitch_lag[i] = q->frame.plag[i] + 16; in apply_pitch_filters()
504 q->pitch_lag, q->frame.pfrac); in apply_pitch_filters()
512 q->pitch_gain, q->pitch_lag, in apply_pitch_filters()
521 memset(q->pitch_lag, 0, sizeof(q->pitch_lag)); in apply_pitch_filters()
H A Devrcdec.c480 int pitch_lag, int subframe_size) in fcb_excitation()
491 for (i = pitch_lag; i < subframe_size; i++) in fcb_excitation()
492 excitation[i] += pitch_gain * excitation[i - pitch_lag]; in fcb_excitation()
696 int pitch_lag; in frame_erasure() local
710 pitch_lag = lrintf((idelay[1] + idelay[0]) / 2.0); in frame_erasure()
737 postfilter(e, tmp, ilpc, samples, pitch_lag, in frame_erasure()
845 int pitch_lag; in evrc_decode_frame() local
852 pitch_lag = lrintf((idelay[1] + idelay[0]) / 2.0); in evrc_decode_frame()
871 acb_sum, pitch_lag, subframe_size); in evrc_decode_frame()
888 postfilter(e, tmp, ilpc, samples, pitch_lag, in evrc_decode_frame()
478 fcb_excitation(EVRCContext *e, const uint16_t *codebook, float *excitation, float pitch_gain, int pitch_lag, int subframe_size) fcb_excitation() argument
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H A Dsipr16k.c222 f.pitch_lag = DIVIDE_BY_3(pitch_delay_3x+1); in ff_sipr_decode_frame_16k()
223 ctx->pitch_lag_prev = f.pitch_lag; in ff_sipr_decode_frame_16k()
H A Dacelp_vectors.h58 int pitch_lag; member
H A Dwmavoice.c1060 /* for a repeated pulse at pulse_off with a pitch_lag of pitch[], count in aw_parse_coords()
1108 pulse_off += fcb->pitch_lag; in aw_pulse_set2()
1130 for (idx = pulse_off; idx < MAX_FRAMESIZE / 2; idx += fcb->pitch_lag) { in aw_pulse_set2()
1146 for (idx = pulse_start; idx < 0; idx += fcb->pitch_lag) ; in aw_pulse_set2()
1168 n = (MAX_FRAMESIZE / 2 - start_off) % fcb->pitch_lag; in aw_pulse_set2()
1169 s->aw_next_pulse_off_cache = n ? fcb->pitch_lag - n : 0; in aw_pulse_set2()
1206 fcb->x[fcb->n] += fcb->pitch_lag; in aw_pulse_set1()
1324 fcb.pitch_lag = block_pitch_sh2 >> 2; in synth_block_fcb_acb()
H A Damrnbdec.c571 fixed_sparse->pitch_lag = p->pitch_lag_int; in pitch_sharpening()
687 int lag = in->pitch_lag; in apply_ir_filter()
1020 if (fixed_sparse.pitch_lag == 0) { in amrnb_decode_frame()
1021 av_log(avctx, AV_LOG_ERROR, "The file is corrupted, pitch_lag = 0 is not allowed\n"); in amrnb_decode_frame()
H A Dsipr.c238 static void eval_ir(const float *Az, int pitch_lag, float *freq, in eval_ir() argument
254 pitch_sharpening(pitch_lag, pitch_sharp_factor, freq); in eval_ir()

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