| /third_party/ffmpeg/libavfilter/ |
| D | af_apsyclip.c | 43 int fft_size; member
102 while (j < s->fft_size / 2 + 1 && j * sample_rate / s->fft_size < points[i + 1][0]) { in set_margin_curve()
104 int binHz = j * sample_rate / s->fft_size; in set_margin_curve()
110 while (j < s->fft_size / 2 + 1) { in set_margin_curve()
116 for (j = 0; j < s->fft_size / 2 + 1; j++) in set_margin_curve()
194 s->fft_size = inlink->sample_rate > 100000 ? 1024 : inlink->sample_rate > 50000 ? 512 : 256; in config_input()
195 s->overlap = s->fft_size / 4; in config_input()
200 s->num_psy_bins = s->fft_size / 2; in config_input()
202 s->num_psy_bins = s->fft_size / 4; in config_input()
204 s->num_psy_bins = s->fft_size / 8; in config_input()
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| D | af_dialoguenhance.c | 37 int fft_size; member
91 s->fft_size = inlink->sample_rate > 100000 ? 8192 : inlink->sample_rate > 50000 ? 4096 : 2048; in config_input()
92 s->overlap = s->fft_size / 4; in config_input()
94 s->window = av_calloc(s->fft_size, sizeof(*s->window)); in config_input()
98 s->in_frame = ff_get_audio_buffer(inlink, s->fft_size * 4); in config_input()
99 s->center_frame = ff_get_audio_buffer(inlink, s->fft_size * 4); in config_input()
100 s->out_dist_frame = ff_get_audio_buffer(inlink, s->fft_size * 4); in config_input()
101 s->windowed_frame = ff_get_audio_buffer(inlink, s->fft_size * 4); in config_input()
102 s->windowed_out = ff_get_audio_buffer(inlink, s->fft_size * 4); in config_input()
103 s->windowed_prev = ff_get_audio_buffer(inlink, s->fft_size * 4); in config_input()
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| D | asrc_afirsrc.c | 183 int fft_size, middle, ret; in config_output() local
221 fft_size = 1 << (av_log2(s->nb_taps) + 1); in config_output()
222 s->complexf = av_calloc(fft_size * 2, sizeof(*s->complexf)); in config_output()
226 ret = av_tx_init(&s->tx_ctx, &s->tx_fn, AV_TX_FLOAT_FFT, 1, fft_size, &scale, 0); in config_output()
240 lininterp(s->complexf, s->freq, s->magnitude, s->phase, s->nb_freq, fft_size / 2); in config_output()
242 s->tx_fn(s->tx_ctx, s->complexf + fft_size, s->complexf, sizeof(float)); in config_output()
244 compensation = 2.f / fft_size; in config_output()
248 s->taps[ i] = s->complexf[fft_size + middle - i].re * compensation * s->win[i]; in config_output()
249 … s->taps[middle + i] = s->complexf[fft_size + i].re * compensation * s->win[middle + i]; in config_output()
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| D | af_afftfilt.c | 36 int fft_size; member
65 … { "win_size", "set window size", OFFSET(fft_size), AV_OPT_TYPE_INT, {.i64=4096}, 16, 131072, A },
119 ret = av_tx_init(&s->fft[ch], &s->tx_fn, AV_TX_FLOAT_FFT, 0, s->fft_size, &scale, 0); in config_input()
125 ret = av_tx_init(&s->ifft[ch], &s->itx_fn, AV_TX_FLOAT_FFT, 1, s->fft_size, &scale, 0); in config_input()
130 s->window_size = s->fft_size; in config_input()
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| D | avf_showfreqs.c | 50 int fft_size; member
99 …{ "win_size", "set window size", OFFSET(fft_size), AV_OPT_TYPE_INT, {.i64=2048}, 16, 65536, FLAGS …
158 s->nb_freq = s->fft_size / 2; in config_output()
159 s->win_size = s->fft_size; in config_output()
161 ret = av_tx_init(&s->fft, &s->tx_fn, AV_TX_FLOAT_FFT, 0, s->fft_size, &scale, 0); in config_output()
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| D | avf_showspectrum.c | 85 int fft_size; ///< number of coeffs (FFT window size) member
403 memmove(in_frame, in_frame + s->hop_size, (s->fft_size - s->hop_size) * sizeof(float)); in run_channel_fft()
404 memcpy(in_frame + s->fft_size - s->hop_size, p, fin->nb_samples * sizeof(float)); in run_channel_fft()
407 in_frame[i + s->fft_size - s->hop_size] = 0.f; in run_channel_fft()
1064 int i, fft_size, h, w, ret; in config_output() local
1104 fft_size = h * 2; in config_output()
1107 fft_size = w * 2; in config_output()
1110 s->win_size = fft_size; in config_output()
1128 if (fft_size != s->fft_size) { in config_output()
1131 s->fft_size = fft_size; in config_output()
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| /third_party/ffmpeg/libavcodec/tests/ |
| D | fft.c | 385 int fft_nbits = 9, fft_size; in main() local
443 fft_size = 1 << fft_nbits; in main()
444 tab = av_malloc_array(fft_size, sizeof(FFTComplex)); in main()
445 tab1 = av_malloc_array(fft_size, sizeof(FFTComplex)); in main()
446 tab_ref = av_malloc_array(fft_size, sizeof(FFTComplex)); in main()
447 tab2 = av_malloc_array(fft_size, sizeof(FFTSample)); in main()
498 av_log(NULL, AV_LOG_INFO, " %d test\n", fft_size); in main()
502 for (i = 0; i < fft_size; i++) { in main()
516 err = check_diff(&tab_ref->re, tab2, fft_size, scale); in main()
520 err = check_diff(&tab_ref->re, tab2, fft_size / 2, scale); in main()
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| /third_party/pulseaudio/src/modules/ |
| D | module-equalizer-sink.c | 93 size_t fft_size;//length (res) of fft member
149 #define FILTER_SIZE(u) ((u)->fft_size / 2 + 1)
162 static void fix_filter(float *H, size_t fft_size) { in fix_filter() argument
164 for (size_t i = 0; i < fft_size / 2 + 1; ++i) in fix_filter()
165 H[i] /= fft_size; in fix_filter()
390 memset(dst + u->window_size, 0, (u->fft_size - u->window_size) * sizeof(float)); in dsp_logic()
462 memset(dst + u->window_size, 0, (u->fft_size - u->window_size) * sizeof(float)); in dsp_logic()
686 pa_assert(u->fft_size >= u->window_size); in sink_input_pop_cb()
929 H_n[i] = H[i] * u->fft_size; in save_profile()
1007 fix_filter(u->Hs[channel][a_i], u->fft_size); in load_profile()
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| /third_party/ffmpeg/libavcodec/ |
| D | qdmc.c | 212 int ret, fft_size, fft_order, size, g, j, x; in qdmc_decode_init() local
264 fft_size = bytestream2_get_be32u(&b); in qdmc_decode_init()
265 fft_order = av_log2(fft_size) + 1; in qdmc_decode_init()
294 if (fft_size != (1 << (fft_order - 1))) { in qdmc_decode_init()
295 av_log(avctx, AV_LOG_ERROR, "FFT size %d not power of 2.\n", fft_size); in qdmc_decode_init()
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| D | qdm2.c | 136 int fft_size; ///< size of FFT, in complex numbers member
1480 memset(q->fft.complex[ch], 0, q->fft_size * sizeof(QDM2Complex)); in qdm2_fft_tone_synthesizer()
1554 for (i = 0; i < FFALIGN(q->fft_size, 8); i++) { in qdm2_calculate_fft()
1702 s->fft_size = bytestream2_get_be32(&gb); in qdm2_decode_init()
1709 s->fft_order = av_log2(s->fft_size) + 1; in qdm2_decode_init()
1755 if (s->fft_size != (1 << (s->fft_order - 1))) { in qdm2_decode_init()
1756 av_log(avctx, AV_LOG_ERROR, "FFT size %d not power of 2.\n", s->fft_size); in qdm2_decode_init()
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| D | fft_template.c | 328 const int fft_size = (1 << s->nbits); in fft_calc_c() local
356 if (fft_size < 8) in fft_calc_c()
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| /third_party/lame/libmp3lame/ |
| D | psymodel.c | 1712 init_numline(PsyConst_CB2SB_t * gd, FLOAT sfreq, int fft_size, in init_numline() argument
1717 FLOAT const deltafreq = fft_size / (2.0f * mdct_size); in init_numline()
1721 sfreq /= fft_size; in init_numline()
1733 for (j2 = j; freq2bark(sfreq * j2) - bark1 < DELBARK && j2 <= fft_size / 2; j2++); in init_numline()
1745 if (j > fft_size / 2) { in init_numline()
1746 j = fft_size / 2; in init_numline()
1779 if (i2 > fft_size / 2) in init_numline()
1780 i2 = fft_size / 2; in init_numline()
1805 compute_bark_values(PsyConst_CB2SB_t const *gd, FLOAT sfreq, int fft_size, in compute_bark_values() argument
1810 sfreq /= fft_size; in compute_bark_values()
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| /third_party/ffmpeg/libavcodec/mips/ |
| D | fft_mips.c | 70 const int fft_size = (1 << s->nbits); in ff_fft_calc_mips() local
103 if (fft_size < 8) in ff_fft_calc_mips()
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