Searched refs:iir (Results 1 - 7 of 7) sorted by relevance
| /third_party/ffmpeg/libavfilter/ |
| H A D | af_aiir.c | 71 IIRChannel *iir; member
122 double *oc = (double *)s->iir[ch].cache[0]; \
123 double *ic = (double *)s->iir[ch].cache[1]; \
124 const int nb_a = s->iir[ch].nb_ab[0]; \
125 const int nb_b = s->iir[ch].nb_ab[1]; \
126 const double *a = s->iir[ch].ab[0]; \
127 const double *b = s->iir[ch].ab[1]; \
128 const double g = s->iir[ch].g; \
129 int *clippings = &s->iir[ch].clippings; \
181 IIRChannel *iir
457 IIRChannel *iir = &s->iir[i]; read_channels() local
530 IIRChannel *iir = &s->iir[ch]; normalize_coeffs() local
561 IIRChannel *iir = &s->iir[ch]; convert_zp2tf() local
609 IIRChannel *iir = &s->iir[ch]; decompose_zp2biquads() local
823 IIRChannel *iir = &s->iir[ch]; convert_serial2parallel() local
893 IIRChannel *iir = &s->iir[ch]; convert_pr2zp() local
920 IIRChannel *iir = &s->iir[ch]; convert_sp2zp() local
973 IIRChannel *iir = &s->iir[ch]; convert_sf2tf() local
1001 IIRChannel *iir = &s->iir[ch]; convert_pd2zp() local
1028 IIRChannel *iir = &s->iir[ch]; check_stability() local
1340 IIRChannel *iir = &s->iir[ch]; config_output() local
1349 IIRChannel *iir = &s->iir[ch]; config_output() local
1502 IIRChannel *iir = &s->iir[ch]; uninit() local
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| /third_party/ffmpeg/libavcodec/ |
| H A D | g723_1enc.c | 123 * @param iir pole memory
125 static void highpass_filter(int16_t *buf, int16_t *fir, int *iir) in highpass_filter() argument
129 *iir = (buf[i] << 15) + ((-*fir) << 15) + MULL2(*iir, 0x7f00); in highpass_filter()
131 buf[i] = av_clipl_int32((int64_t)*iir + (1 << 15)) >> 16; in highpass_filter()
638 * @param perf_iir perceptual filter iir memory
664 int64_t fir = 0, iir = 0; in synth_percept_filter() local
667 iir += perf_lpc[j + LPC_ORDER - 1] * dest[i - j]; in synth_percept_filter()
669 dest[i] = av_clipl_int32(((buf[i] + (fir << 3)) << scale) + (iir << 3) + in synth_percept_filter()
1167 int16_t zero[LPC_ORDER], fir[LPC_ORDER], iir[LPC_ORDE in g723_1_encode_frame() local
[all...] |
| H A D | mlpdec.c | 823 FilterParams *iir = &cp->filter_params[IIR]; in read_channel_params() local
836 if (fir->order + iir->order > 8) { in read_channel_params()
841 if (fir->order && iir->order && in read_channel_params()
842 fir->shift != iir->shift) { in read_channel_params()
852 if (!fir->order && iir->order) in read_channel_params()
853 fir->shift = iir->shift; in read_channel_params()
966 FilterParams *iir = &s->channel_params[channel].filter_params[IIR]; in filter_channel() local
971 memcpy(iirbuf, iir->state, MAX_IIR_ORDER * sizeof(int32_t)); in filter_channel()
974 fir->order, iir->order, in filter_channel()
979 memcpy(iir in filter_channel()
[all...] |
| H A D | psymodel.c | 143 FFIIRFilterContext *iir = &ctx->fiir; in ff_psy_preprocess() local
147 iir->filter_flt(ctx->fcoeffs, ctx->fstate[ch], frame_size, in ff_psy_preprocess()
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| H A D | dcadsp.c | 435 const float iir[5][4], float hist[5][2], in lfe_iir_c()
446 tmp = hist[k][0] * iir[k][0] + hist[k][1] * iir[k][1] + res; in lfe_iir_c()
447 res = hist[k][0] * iir[k][2] + hist[k][1] * iir[k][3] + tmp; in lfe_iir_c()
434 lfe_iir_c(float *output, const float *input, const float iir[5][4], float hist[5][2], ptrdiff_t factor) lfe_iir_c() argument
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| H A D | dcadsp.h | 92 const float iir[5][4], float hist[5][2],
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| /third_party/ffmpeg/libswresample/ |
| H A D | noise_shaping_data.c | 20 enum {fir, iir} type; enumerator
206 // {48000, iir, 4, 220, ges48, SWR_DITHER_NS_GESEMANN},
207 // {44100, iir, 4, 230, ges44, SWR_DITHER_NS_GESEMANN},
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