FreeCalypso > hg > gsm-codec-lib
view libgsmfr2/pp_state.h @ 602:72cdae602d6e
libgsmhr1/dec_func.c: rm unused static functions
In the original code, sp_dec.c held two kinds of functions: those
needed only as part of the decoder, and those used by both decoder
and encoder engines. In this library, we have moved the latter
class of functions to dec_func.c module. Almost all static functions
from the original sp_dec.c, with the exception of aToRc(), are
needed only on sp_dec.c side of the new divide - remove them from
dec_func.c, where they became dead code.
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Thu, 04 Dec 2025 18:58:22 +0000 |
| parents | 96c4ed5529bf |
| children |
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/* * This header file is internal to libgsmfr2; * here we define our state structure for the Rx DTX preprocessor component. */ enum rx_dtx_st { NO_DATA = 0, SPEECH, SPEECH_MUTING, COMFORT_NOISE, LOST_SID, CN_MUTING, }; struct gsmfr_preproc_state { enum rx_dtx_st rx_state; uint8_t speech_frame[GSMFR_RTP_FRAME_LEN]; uint8_t sid_prefix[5]; uint8_t sid_xmaxc; uint32_t cn_random_lfsr; uint8_t cn_random_6fold; uint8_t dtxd_nodata_count; uint8_t dtxd_sid_flag; }; /* we use the same LFSR PRNG for CN as ETSI EFR implementation */ #define PN_INITIAL_SEED 0x70816958L /* Pseudo noise generator seed value */