FreeCalypso > hg > gsm-codec-lib
annotate libgsmefr/vad.h @ 58:d285877fc4cc
libgsmefr: cod_12k2.c compiles
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 25 Nov 2022 18:50:50 +0000 |
parents | 988fd7ff514f |
children | 756605c4850f |
rev | line source |
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1 /*************************************************************************** |
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2 * |
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3 * File Name: vad.h |
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4 * |
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5 * Purpose: Contains the prototypes for all functions of voice activity |
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6 * detection. Also contains the type definition for the pseudo |
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7 * floating point data type. |
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8 * |
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9 **************************************************************************/ |
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10 |
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11 void vad_reset (struct EFR_encoder_state *st); |
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12 |
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13 Word16 vad_computation ( |
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14 struct EFR_encoder_state *st, |
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15 Word16 r_h[], |
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16 Word16 r_l[], |
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17 Word16 scal_acf, |
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18 Word16 rc[], |
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19 Word16 ptch |
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20 ); |
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21 |
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22 void energy_computation ( |
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23 Word16 r_h[], |
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24 Word16 scal_acf, |
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25 Word16 rvad[], |
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26 Word16 scal_rvad, |
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27 Pfloat * acf0, |
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28 Pfloat * pvad |
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29 ); |
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30 |
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31 void acf_averaging ( |
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32 Word16 r_h[], |
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33 Word16 r_l[], |
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34 Word16 scal_acf, |
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35 Word32 L_av0[], |
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36 Word32 L_av1[] |
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37 ); |
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38 |
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39 void predictor_values ( |
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40 Word32 L_av1[], |
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41 Word16 rav1[], |
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42 Word16 *scal_rav1 |
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43 ); |
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44 |
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45 void schur_recursion ( |
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46 Word32 L_av1[], |
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47 Word16 vpar[] |
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48 ); |
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49 |
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50 void step_up ( |
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51 Word16 np, |
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52 Word16 vpar[], |
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53 Word16 aav1[] |
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54 ); |
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55 |
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56 void compute_rav1 ( |
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57 Word16 aav1[], |
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58 Word16 rav1[], |
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59 Word16 *scal_rav1 |
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60 ); |
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61 |
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62 Word16 spectral_comparison ( |
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63 Word16 rav1[], |
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64 Word16 scal_rav1, |
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65 Word32 L_av0[] |
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66 ); |
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67 |
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68 void threshold_adaptation ( |
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69 Word16 stat, |
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70 Word16 ptch, |
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71 Word16 tone, |
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72 Word16 rav1[], |
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73 Word16 scal_rav1, |
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74 Pfloat pvad, |
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75 Pfloat acf0, |
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76 Word16 rvad[], |
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77 Word16 *scal_rvad, |
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78 Pfloat * thvad |
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79 ); |
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80 |
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81 void tone_detection ( |
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82 Word16 rc[], |
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83 Word16 *tone |
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84 ); |
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85 |
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86 Word16 vad_decision ( |
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87 Pfloat pvad, |
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88 Pfloat thvad |
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89 ); |
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90 |
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91 Word16 vad_hangover ( |
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92 Word16 vvad |
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93 ); |
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94 |
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95 void periodicity_update ( |
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96 struct EFR_encoder_state *st, |
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97 Word16 lags[] |
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98 ); |