FreeCalypso > hg > gsm-codec-lib
diff libgsmfrp/internal.h @ 108:3b64f255689a
libgsmfrp: factor out PRNG into its own module,
in preparation for using it as part of speech muting too
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Mon, 28 Nov 2022 04:00:18 +0000 |
| parents | 286d5f097eb4 |
| children | f081a6850fb5 |
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--- a/libgsmfrp/internal.h Sun Nov 27 21:02:07 2022 +0000 +++ b/libgsmfrp/internal.h Mon Nov 28 04:00:18 2022 +0000 @@ -24,6 +24,8 @@ /* we use the same LFSR PRNG for CN as ETSI EFR implementation */ #define PN_INITIAL_SEED 0x70816958L /* Pseudo noise generator seed value */ -/* internal function */ +/* internal functions */ extern void gsmfr_preproc_gen_cn(struct gsmfr_preproc_state *state, gsm_byte *frame); +extern uint16_t gsmfr_preproc_prng(struct gsmfr_preproc_state *state, + uint16_t no_bits);