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comparison libgsmhr1/dtx_dec.c @ 601:c7c03231002d

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libgsmhr1: integrate main body of speech decoder
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 04 Dec 2025 12:49:19 +0000
parents 5809165fb140
children
comparison
equal deleted inserted replaced
600:5a7d04bf26f5 601:c7c03231002d
52 * This function is a fragment from original rxInterpR0Lpc(): 52 * This function is a fragment from original rxInterpR0Lpc():
53 * init or update CN interpolation endpoints on CNIFIRSTSID 53 * init or update CN interpolation endpoints on CNIFIRSTSID
54 * or CNICONT. 54 * or CNICONT.
55 */ 55 */
56 void Init_CN_interpolation(struct gsmhr_decoder_state *st, Shortword deco_mode, 56 void Init_CN_interpolation(struct gsmhr_decoder_state *st, Shortword deco_mode,
57 Shortword new_R0, const Shortword *pswNewKs) 57 const Shortword *pswNewKs)
58 { 58 {
59 st->swR0OldCN = st->swOldR0Dec; 59 st->swR0OldCN = st->swOldR0Dec;
60 st->swR0NewCN = new_R0;
61 if (deco_mode == CNIFIRSTSID) { 60 if (deco_mode == CNIFIRSTSID) {
62 rcToCorrDpL(ASHIFT, ASCALE, st->pswOldFrmKsDec, 61 rcToCorrDpL(ASHIFT, ASCALE, st->pswOldFrmKsDec,
63 st->pL_OldCorrSeq); 62 st->pL_OldCorrSeq);
64 } else { 63 } else {
65 memcpy(st->pL_OldCorrSeq, st->pL_CorrSeq, 64 memcpy(st->pL_OldCorrSeq, st->pL_CorrSeq,
70 69
71 /* 70 /*
72 * This function is a fragment from original rxInterpR0Lpc(): 71 * This function is a fragment from original rxInterpR0Lpc():
73 * interpolate R0 for CN output. 72 * interpolate R0 for CN output.
74 */ 73 */
75 Shortword CN_Interpolate_R0(struct gsmhr_decoder_state *st) 74 Shortword CN_Interpolate_R0(struct gsmhr_decoder_state *st, Shortword new_R0)
76 { 75 {
77 return linInterpSidShort(st->swR0NewCN, st->swR0OldCN, 76 return linInterpSidShort(new_R0, st->swR0OldCN, st->swRxDTXState);
78 st->swRxDTXState);
79 } 77 }
80 78
81 /* 79 /*
82 * This function is a fragment from original rxInterpR0Lpc(): 80 * This function is a fragment from original rxInterpR0Lpc():
83 * interpolate LPC for CN output. 81 * interpolate LPC for CN output.