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Searched refs:lspf (Results 1 - 2 of 2) sorted by relevance

/third_party/ffmpeg/libavcodec/
H A Dqcelpdec.c106 * @param lspf line spectral pair frequencies
112 static int decode_lspf(QCELPContext *q, float *lspf) in decode_lspf() argument
128 lspf[i] = (q->frame.lspv[i] ? QCELP_LSP_SPREAD_FACTOR in decode_lspf()
144 lspf[i] = (i + 1) * (1 - erasure_coeff) / 11 + in decode_lspf()
151 lspf[0] = FFMAX(lspf[0], QCELP_LSP_SPREAD_FACTOR); in decode_lspf()
153 lspf[i] = FFMAX(lspf[i], lspf[i - 1] + QCELP_LSP_SPREAD_FACTOR); in decode_lspf()
155 lspf[ in decode_lspf()
537 lspf2lpc(const float *lspf, float *lpc) lspf2lpc() argument
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H A Devrcdec.c81 float lspf[FILTER_ORDER]; member
294 e->lspf[k++] = codebook[e->frame.lsp[i] * row_size + j]; in decode_lspf()
299 if (e->lspf[i] <= e->lspf[i - 1]) in decode_lspf()
305 if (e->lspf[k] - e->lspf[k - 1] <= MIN_LSP_SEP) in decode_lspf()
662 e->lspf[i] = e->prev_lspf[i] * 0.875 + 0.125 * (i + 1) * 0.048; in frame_erasure()
664 e->lspf[i] = e->prev_lspf[i]; in frame_erasure()
698 interpolate_lsp(ilspf, e->lspf, e->prev_lspf, i); in frame_erasure()
847 interpolate_lsp(ilspf, e->lspf, in evrc_decode_frame()
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