goertzel_state    219 src/include/private/libteletone_detect.h TELETONE_API(void) teletone_goertzel_update(teletone_goertzel_state_t *goertzel_state,
goertzel_state     81 src/libteletone_detect.c static void goertzel_init(teletone_goertzel_state_t *goertzel_state, teletone_detection_descriptor_t *tdesc) {
goertzel_state     82 src/libteletone_detect.c 	goertzel_state->v2 = goertzel_state->v3 = 0.0;
goertzel_state     83 src/libteletone_detect.c 	goertzel_state->fac = tdesc->fac;
goertzel_state     86 src/libteletone_detect.c TELETONE_API(void) teletone_goertzel_update(teletone_goertzel_state_t *goertzel_state,
goertzel_state     94 src/libteletone_detect.c 		v1 = goertzel_state->v2;
goertzel_state     95 src/libteletone_detect.c 		goertzel_state->v2 = goertzel_state->v3;
goertzel_state     96 src/libteletone_detect.c 		goertzel_state->v3 = (float)(goertzel_state->fac*goertzel_state->v2 - v1 + sample_buffer[i]);