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annotate libgsmhr1/vad.h @ 615:5773e3907b86

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libgsmhr1: integrate vad.c
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 05 Mar 2026 09:05:35 +0000
parents cf74197b9d4f
children
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cf74197b9d4f libgsmhr1/vad.[ch]: import original
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1 #ifndef __VAD
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2 #define __VAD
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3
cf74197b9d4f libgsmhr1/vad.[ch]: import original
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4 #include "typedefs.h"
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5
cf74197b9d4f libgsmhr1/vad.[ch]: import original
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6
cf74197b9d4f libgsmhr1/vad.[ch]: import original
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7 /*_________________________________________________________________________
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8 | |
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9 | Function Prototypes |
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10 |_________________________________________________________________________|
cf74197b9d4f libgsmhr1/vad.[ch]: import original
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11 */
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12
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13 void vad_algorithm(struct vad_state *vst, Longword pL_acf[9],
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14 Shortword swScaleAcf, Shortword pswRc[4],
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15 Shortword swPtch, Shortword *pswVadFlag);
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16
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17 void energy_computation(struct vad_state *vst, Longword pL_acf[],
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18 Shortword swScaleAcf, Shortword pswRvad[],
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19 Shortword swNormRvad, Shortword *pswM_pvad,
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20 Shortword *pswE_pvad, Shortword *pswM_acf0,
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21 Shortword *pswE_acf0);
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22
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23 void average_acf(struct vad_state *vst, Longword pL_acf[],
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24 Shortword swScaleAcf, Longword pL_av0[], Longword pL_av1[]);
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25
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26 void predictor_values(struct vad_state *vst, Longword pL_av1[],
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27 Shortword pswRav1[], Shortword *pswNormRav1);
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28
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29 void schur_recursion(struct vad_state *vst, Longword pL_av1[],
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30 Shortword pswVpar[]);
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31
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32 void step_up(struct vad_state *vst, Shortword swNp, Shortword pswVpar[],
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33 Shortword pswAav1[]);
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34
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35 void compute_rav1(struct vad_state *vst, Shortword pswAav1[],
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36 Shortword pswRav1[], Shortword *pswNormRav1);
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37
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38 void spectral_comparison(struct vad_state *vst, Shortword pswRav1[],
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39 Shortword swNormRav1, Longword pL_av0[],
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40 Shortword *pswStat);
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41
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42 void tone_detection(struct vad_state *vst, Shortword pswRc[4],
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43 Shortword *pswTone);
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44
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45 void threshold_adaptation(struct vad_state *vst, Shortword swStat,
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46 Shortword swPtch, Shortword swTone,
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47 Shortword pswRav1[], Shortword swNormRav1,
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48 Shortword swM_pvad, Shortword swE_pvad,
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49 Shortword swM_acf0, Shortword swE_acf0,
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50 Shortword pswRvad[], Shortword *pswNormRvad,
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51 Shortword *pswM_thvad, Shortword *pswE_thvad);
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52
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53 void vad_decision(struct vad_state *vst, Shortword swM_pvad,
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54 Shortword swE_pvad, Shortword swM_thvad,
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55 Shortword swE_thvad, Shortword *pswVvad);
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56
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57 void vad_hangover(struct vad_state *vst, Shortword swVvad,
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58 Shortword *pswVadFlag);
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59
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60 void periodicity_update(struct vad_state *vst, Shortword pswLags[4],
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61 Shortword *pswPtch);
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62
cf74197b9d4f libgsmhr1/vad.[ch]: import original
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63 #endif