comparison: pidgin/plugins/crazychat/filter.c
pidgin/plugins/crazychat/filter.c
- branch
- changeset 37384
- 3c5c8c63a686
- parent 37383
- 72cb6af0a275
- parent 37246
- 0ddd5118b8eb
- child 37385
- 43ac0ab4b1d0
equal
deleted
inserted
replaced
| 37383:72cb6af0a275 | 37384:3c5c8c63a686 |
|---|---|
| 1 #include "cc_interface.h" | |
| 2 #include "filter.h" | |
| 3 #include "stdio.h" | |
| 4 | |
| 5 #define coef_0 .0022 | |
| 6 #define coef_1 .0174 | |
| 7 #define coef_2 .0737 | |
| 8 #define coef_3 .1662 | |
| 9 #define coef_4 .2405 | |
| 10 | |
| 11 filter_bank* Filter_Initialize (void) | |
| 12 { | |
| 13 filter_bank* new_filter; | |
| 14 new_filter=(filter_bank*)malloc(sizeof(filter_bank)); | |
| 15 memset(new_filter,0,sizeof(filter_bank)); | |
| 16 // fprintf(stderr,"RESETTING FILTER BANK *******************\n"); | |
| 17 return new_filter; | |
| 18 } | |
| 19 | |
| 20 void Filter_Destroy (filter_bank *f) | |
| 21 { | |
| 22 free(f); | |
| 23 } | |
| 24 | |
| 25 void filter(struct cc_features *features, filter_bank *f) | |
| 26 { | |
| 27 | |
| 28 f->head_size[9]=f->head_size[8]; | |
| 29 f->head_size[8]=f->head_size[7]; | |
| 30 f->head_size[7]=f->head_size[6]; | |
| 31 f->head_size[6]=f->head_size[5]; | |
| 32 f->head_size[5]=f->head_size[4]; | |
| 33 f->head_size[4]=f->head_size[3]; | |
| 34 f->head_size[3]=f->head_size[2]; | |
| 35 f->head_size[2]=f->head_size[1]; | |
| 36 f->head_size[1]=f->head_size[0]; | |
| 37 f->head_size[0]=features->head_size; | |
| 38 | |
| 39 features->head_size=(guint8) ( (coef_0*(f->head_size[0]+f->head_size[9]))+(coef_1*(f->head_size[1]+f->head_size[8])) + | |
| 40 (coef_2*(f->head_size[2]+f->head_size[7])) + (coef_3*(f->head_size[3]+f->head_size[6])) | |
| 41 + (coef_4*(f->head_size[4]+f->head_size[5]))); | |
| 42 | |
| 43 | |
| 44 | |
| 45 f->head_z_rot[9]=f->head_z_rot[8]; | |
| 46 f->head_z_rot[8]=f->head_z_rot[7]; | |
| 47 f->head_z_rot[7]=f->head_z_rot[6]; | |
| 48 f->head_z_rot[6]=f->head_z_rot[5]; | |
| 49 f->head_z_rot[5]=f->head_z_rot[4]; | |
| 50 f->head_z_rot[4]=f->head_z_rot[3]; | |
| 51 f->head_z_rot[3]=f->head_z_rot[2]; | |
| 52 f->head_z_rot[2]=f->head_z_rot[1]; | |
| 53 f->head_z_rot[1]=f->head_z_rot[0]; | |
| 54 f->head_z_rot[0]=features->head_z_rot; | |
| 55 | |
| 56 features->head_z_rot=(guint8) ( (coef_0*(f->head_z_rot[0]+f->head_z_rot[9]))+(coef_1*(f->head_z_rot[1]+f->head_z_rot[8])) + | |
| 57 (coef_2*(f->head_z_rot[2]+f->head_z_rot[7])) + (coef_3*(f->head_z_rot[3]+f->head_z_rot[6])) | |
| 58 + (coef_4*(f->head_z_rot[4]+f->head_z_rot[5]))); | |
| 59 | |
| 60 | |
| 61 f->head_y_rot[9]=f->head_y_rot[8]; | |
| 62 f->head_y_rot[8]=f->head_y_rot[7]; | |
| 63 f->head_y_rot[7]=f->head_y_rot[6]; | |
| 64 f->head_y_rot[6]=f->head_y_rot[5]; | |
| 65 f->head_y_rot[5]=f->head_y_rot[4]; | |
| 66 f->head_y_rot[4]=f->head_y_rot[3]; | |
| 67 f->head_y_rot[3]=f->head_y_rot[2]; | |
| 68 f->head_y_rot[2]=f->head_y_rot[1]; | |
| 69 f->head_y_rot[1]=f->head_y_rot[0]; | |
| 70 f->head_y_rot[0]=features->head_y_rot; | |
| 71 | |
| 72 features->head_y_rot=(guint8) ( (coef_0*(f->head_y_rot[0]+f->head_y_rot[9]))+(coef_1*(f->head_y_rot[1]+f->head_y_rot[8])) + | |
| 73 (coef_2*(f->head_y_rot[2]+f->head_y_rot[7])) + (coef_3*(f->head_y_rot[3]+f->head_y_rot[6])) | |
| 74 + (coef_4*(f->head_y_rot[4]+f->head_y_rot[5]))); | |
| 75 | |
| 76 | |
| 77 f->xfilt[9]=f->xfilt[8]; | |
| 78 f->xfilt[8]=f->xfilt[7]; | |
| 79 f->xfilt[7]=f->xfilt[6]; | |
| 80 f->xfilt[6]=f->xfilt[5]; | |
| 81 f->xfilt[5]=f->xfilt[4]; | |
| 82 f->xfilt[4]=f->xfilt[3]; | |
| 83 f->xfilt[3]=f->xfilt[2]; | |
| 84 f->xfilt[2]=f->xfilt[1]; | |
| 85 f->xfilt[1]=f->xfilt[0]; | |
| 86 f->xfilt[0]=features->x; | |
| 87 | |
| 88 features->x=(guint8) ( (coef_0*(f->xfilt[0]+f->xfilt[9]))+(coef_1*(f->xfilt[1]+f->xfilt[8])) + | |
| 89 (coef_2*(f->xfilt[2]+f->xfilt[7])) + (coef_3*(f->xfilt[3]+f->xfilt[6])) | |
| 90 + (coef_4*(f->xfilt[4]+f->xfilt[5]))); | |
| 91 | |
| 92 | |
| 93 f->yfilt[9]=f->yfilt[8]; | |
| 94 f->yfilt[8]=f->yfilt[7]; | |
| 95 f->yfilt[7]=f->yfilt[6]; | |
| 96 f->yfilt[6]=f->yfilt[5]; | |
| 97 f->yfilt[5]=f->yfilt[4]; | |
| 98 f->yfilt[4]=f->yfilt[3]; | |
| 99 f->yfilt[3]=f->yfilt[2]; | |
| 100 f->yfilt[2]=f->yfilt[1]; | |
| 101 f->yfilt[1]=f->yfilt[0]; | |
| 102 f->yfilt[0]=features->y; | |
| 103 | |
| 104 features->y=(guint8) ( (coef_0*(f->yfilt[0]+f->yfilt[9]))+(coef_1*(f->yfilt[1]+f->yfilt[8])) + | |
| 105 (coef_2*(f->yfilt[2]+f->yfilt[7])) + (coef_3*(f->yfilt[3]+f->yfilt[6])) | |
| 106 + (coef_4*(f->yfilt[4]+f->yfilt[5]))); | |
| 107 | |
| 108 | |
| 109 f->mouth_open[9]=f->mouth_open[8]; | |
| 110 f->mouth_open[8]=f->mouth_open[7]; | |
| 111 f->mouth_open[7]=f->mouth_open[6]; | |
| 112 f->mouth_open[6]=f->mouth_open[5]; | |
| 113 f->mouth_open[5]=f->mouth_open[4]; | |
| 114 f->mouth_open[4]=f->mouth_open[3]; | |
| 115 f->mouth_open[3]=f->mouth_open[2]; | |
| 116 f->mouth_open[2]=f->mouth_open[1]; | |
| 117 f->mouth_open[1]=f->mouth_open[0]; | |
| 118 f->mouth_open[0]=features->mouth_open; | |
| 119 | |
| 120 features->mouth_open=(guint8) ( (coef_0*(f->mouth_open[0]+f->mouth_open[9]))+(coef_1*(f->mouth_open[1]+f->mouth_open[8])) + | |
| 121 (coef_2*(f->mouth_open[2]+f->mouth_open[7])) + (coef_3*(f->mouth_open[3]+f->mouth_open[6])) | |
| 122 + (coef_4*(f->mouth_open[4]+f->mouth_open[5]))); | |
| 123 | |
| 124 } |
