Searched refs:band_energy (Results 1 – 3 of 3) sorted by relevance
/third_party/ffmpeg/libavcodec/ |
D | aacdec_fixed.c | 199 static void noise_scale(int *coefs, int scale, int band_energy, int len) in noise_scale() argument 207 while (band_energy > 0x7fff) { in noise_scale() 208 band_energy >>= 1; in noise_scale() 211 c /= band_energy; in noise_scale()
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D | aaccoder.c | 643 float band_energy, scale, pns_senergy; in search_for_pns() local 650 band_energy = s->fdsp->scalarproduct_float(PNS, PNS, sce->ics.swb_sizes[g]); in search_for_pns() 651 scale = noise_amp/sqrtf(band_energy); in search_for_pns()
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D | aacdec_template.c | 1783 INTFLOAT band_energy; in decode_spectrum_and_dequant() local 1790 band_energy = ac->fdsp->scalarproduct_fixed(cfo, cfo, off_len); in decode_spectrum_and_dequant() 1791 band_energy = fixed_sqrt(band_energy, 31); in decode_spectrum_and_dequant() 1792 noise_scale(cfo, sf[idx], band_energy, off_len); in decode_spectrum_and_dequant() 1801 band_energy = ac->fdsp->scalarproduct_float(cfo, cfo, off_len); in decode_spectrum_and_dequant() 1802 scale = sf[idx] / sqrtf(band_energy); in decode_spectrum_and_dequant()
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