FreeCalypso > hg > gsm-codec-lib
annotate libgsmfrp/gsm_fr_preproc.h @ 276:e4ca04586118
dev/gsm0611-silence-fr: rework to eliminate libgsm dependency
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 14 Apr 2024 03:38:09 +0000 |
parents | 2b5770c715ee |
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rev | line source |
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libgsmfrp: starting with the silence frame
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1 /* |
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2 * This header file is the external public interface to libgsmfrp; |
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3 * it should be installed in the same system include directory |
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4 * as <gsm.h> from libgsm, on which we depend. |
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5 */ |
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6 |
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7 #ifndef __GSM_FR_PREPROC_H |
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8 #define __GSM_FR_PREPROC_H |
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9 |
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10 #include <gsm.h> |
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11 |
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12 struct gsmfr_preproc_state; /* opaque to external users */ |
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13 |
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14 extern struct gsmfr_preproc_state *gsmfr_preproc_create(void); |
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15 /* use standard free() call to free it afterward */ |
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16 |
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17 /* reset state to initial */ |
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18 extern void gsmfr_preproc_reset(struct gsmfr_preproc_state *state); |
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19 |
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20 /* main processing functions */ |
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21 extern void gsmfr_preproc_good_frame(struct gsmfr_preproc_state *state, |
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22 gsm_byte *frame); |
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23 extern void gsmfr_preproc_bfi(struct gsmfr_preproc_state *state, int taf, |
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24 gsm_byte *frame_out); |
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25 |
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26 /* utility function */ |
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27 extern int gsmfr_preproc_sid_classify(const gsm_byte *frame); |
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28 |
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29 /* utility datum */ |
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30 extern const gsm_frame gsmfr_preproc_silence_frame; |
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31 |
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32 #endif /* include guard */ |