diff options
Diffstat (limited to 'libavcodec/iirfilter.c')
-rw-r--r-- | libavcodec/iirfilter.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/libavcodec/iirfilter.c b/libavcodec/iirfilter.c index 474f52fde7..a8c9b9b826 100644 --- a/libavcodec/iirfilter.c +++ b/libavcodec/iirfilter.c @@ -323,35 +323,3 @@ void ff_iir_filter_init(FFIIRFilterContext *f) { if (HAVE_MIPSFPU) ff_iir_filter_init_mips(f); } - -#ifdef TEST -#include <stdio.h> - -#define FILT_ORDER 4 -#define SIZE 1024 -int main(void) -{ - struct FFIIRFilterCoeffs *fcoeffs = NULL; - struct FFIIRFilterState *fstate = NULL; - float cutoff_coeff = 0.4; - int16_t x[SIZE], y[SIZE]; - int i; - - fcoeffs = ff_iir_filter_init_coeffs(NULL, FF_FILTER_TYPE_BUTTERWORTH, - FF_FILTER_MODE_LOWPASS, FILT_ORDER, - cutoff_coeff, 0.0, 0.0); - fstate = ff_iir_filter_init_state(FILT_ORDER); - - for (i = 0; i < SIZE; i++) - x[i] = lrint(0.75 * INT16_MAX * sin(0.5 * M_PI * i * i / SIZE)); - - ff_iir_filter(fcoeffs, fstate, SIZE, x, 1, y, 1); - - for (i = 0; i < SIZE; i++) - printf("%6d %6d\n", x[i], y[i]); - - ff_iir_filter_free_coeffsp(&fcoeffs); - ff_iir_filter_free_statep(&fstate); - return 0; -} -#endif /* TEST */ |