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Diffstat (limited to 'tests/src/temporal/test-biquad.c')
-rw-r--r-- | tests/src/temporal/test-biquad.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/src/temporal/test-biquad.c b/tests/src/temporal/test-biquad.c new file mode 100644 index 0000000..8317b06 --- /dev/null +++ b/tests/src/temporal/test-biquad.c @@ -0,0 +1,32 @@ +#include <aubio.h> + +int main (void) +{ + uint_t win_s = 64; // window size + + // create biquad filter with `b0`, `b1`, `b2`, `a1`, `a2` + aubio_filter_t * o = new_aubio_filter_biquad(0.3,0.2,0.1,0.2,0.3); + + fvec_t * in_vec = new_fvec (win_s); // input buffer + fvec_t * tmp_vec = new_fvec (win_s); // temporary buffer + fvec_t * out_vec = new_fvec (win_s); // output buffer + + uint_t times = 100; + while ( times-- ) { + // copy to out, then filter out + aubio_filter_do_outplace(o, in_vec, out_vec); + // in-place filtering + aubio_filter_do(o, in_vec); + // in-place filtering + aubio_filter_do_filtfilt(o, in_vec, out_vec); + fvec_print(in_vec); + } + + // memory clean-up, one for each new + del_aubio_filter(o); + del_fvec(in_vec); + del_fvec(tmp_vec); + del_fvec(out_vec); + + return 0; +} |