FreeCalypso > hg > gsm-codec-lib
view libgsmfrp/gsm_fr_preproc.h @ 269:bd2271cb95d4
libgsmfr2: integrate preprocess.c from libgsm
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 14 Apr 2024 01:58:35 +0000 |
parents | 2b5770c715ee |
children |
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/* * This header file is the external public interface to libgsmfrp; * it should be installed in the same system include directory * as <gsm.h> from libgsm, on which we depend. */ #ifndef __GSM_FR_PREPROC_H #define __GSM_FR_PREPROC_H #include <gsm.h> struct gsmfr_preproc_state; /* opaque to external users */ extern struct gsmfr_preproc_state *gsmfr_preproc_create(void); /* use standard free() call to free it afterward */ /* reset state to initial */ extern void gsmfr_preproc_reset(struct gsmfr_preproc_state *state); /* main processing functions */ extern void gsmfr_preproc_good_frame(struct gsmfr_preproc_state *state, gsm_byte *frame); extern void gsmfr_preproc_bfi(struct gsmfr_preproc_state *state, int taf, gsm_byte *frame_out); /* utility function */ extern int gsmfr_preproc_sid_classify(const gsm_byte *frame); /* utility datum */ extern const gsm_frame gsmfr_preproc_silence_frame; #endif /* include guard */