FreeCalypso > hg > gsm-codec-lib

annotate libgsmfr2/pp_state.c @ 548:583dc4cbee95

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efrtest: new program gsmefr-decode-tw5-r
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 04 Oct 2024 20:40:42 +0000
parents 3a617e4e9b27
children
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3cd5ad24b1d4 libgsmfrp: implement internal state
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * In this module we implement allocation and initialization
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3 * of state structures for our GSM FR preprocessor.
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4 */
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286d5f097eb4 libgsmfrp: implement comfort noise generation
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6 #include <stdint.h>
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3cd5ad24b1d4 libgsmfrp: implement internal state
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7 #include <stdlib.h>
3cd5ad24b1d4 libgsmfrp: implement internal state
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8 #include <string.h>
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a33edf624061 libgsmfr2: start with API definition and port of libgsmfrp code
Mychaela Falconia <falcon@freecalypso.org>
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9 #include "tw_gsmfr.h"
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573afa985df6 libgsmfr2: split pp_state.h from pp_internal.h
Mychaela Falconia <falcon@freecalypso.org>
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10 #include "pp_state.h"
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3a617e4e9b27 libgsmfr2: add const words with struct sizes
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12 const unsigned gsmfr_preproc_state_size = sizeof(struct gsmfr_preproc_state);
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14 struct gsmfr_preproc_state *gsmfr_preproc_create(void)
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15 {
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16 struct gsmfr_preproc_state *st;
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17
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18 st = malloc(sizeof(struct gsmfr_preproc_state));
3cd5ad24b1d4 libgsmfrp: implement internal state
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19 if (st)
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20 gsmfr_preproc_reset(st);
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21 return st;
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22 }
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24 void gsmfr_preproc_reset(struct gsmfr_preproc_state *st)
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25 {
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26 memset(st, 0, sizeof(struct gsmfr_preproc_state));
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27 st->cn_random_lfsr = PN_INITIAL_SEED;
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28 }