gstreamer/tests/check/libs/fft.c
Edward Hervey ce16635f46 check: Use GST_CHECK_MAIN () macro everywhere
Makes source code smaller, and ensures we go through common initialization
path (like the one that sets up XML unit test output ...)
2015-06-02 16:14:39 +02:00

548 lines
11 KiB
C

/* GStreamer
*
* unit test for FFT library
*
* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/check/gstcheck.h>
#include <gst/fft/gstfft.h>
#include <gst/fft/gstffts16.h>
#include <gst/fft/gstffts32.h>
#include <gst/fft/gstfftf32.h>
#include <gst/fft/gstfftf64.h>
GST_START_TEST (test_next_fast_length)
{
fail_unless_equals_int (gst_fft_next_fast_length (13), 16);
fail_unless_equals_int (gst_fft_next_fast_length (30), 30);
fail_unless_equals_int (gst_fft_next_fast_length (31), 32);
fail_unless_equals_int (gst_fft_next_fast_length (1), 2);
}
GST_END_TEST;
GST_START_TEST (test_s16_0hz)
{
gint i;
gint16 *in;
GstFFTS16Complex *out;
GstFFTS16 *ctx;
in = g_new (gint16, 2048);
out = g_new (GstFFTS16Complex, 1025);
ctx = gst_fft_s16_new (2048, FALSE);
for (i = 0; i < 2048; i++)
in[i] = G_MAXINT16;
gst_fft_s16_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_s16_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 32767.0 * 32767.0;
mag = 10.0 * log10 (mag);
if (i < 2)
fail_unless (mag > -15.0);
else
fail_unless (mag < -55.0);
}
gst_fft_s16_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_s16_11025hz)
{
gint i;
gint16 *in;
GstFFTS16Complex *out;
GstFFTS16 *ctx;
in = g_new (gint16, 2048);
out = g_new (GstFFTS16Complex, 1025);
ctx = gst_fft_s16_new (2048, FALSE);
for (i = 0; i < 2048; i += 4) {
in[i] = 0;
in[i + 1] = G_MAXINT16;
in[i + 2] = 0;
in[i + 3] = G_MININT16;
}
gst_fft_s16_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_s16_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 32767.0 * 32767.0;
mag = 10.0 * log10 (mag);
if (abs (512 - i) < 2)
fail_unless (mag > -20.0);
else
fail_unless (mag < -55.0);
}
gst_fft_s16_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_s16_22050hz)
{
gint i;
gint16 *in;
GstFFTS16Complex *out;
GstFFTS16 *ctx;
in = g_new (gint16, 2048);
out = g_new (GstFFTS16Complex, 1025);
ctx = gst_fft_s16_new (2048, FALSE);
for (i = 0; i < 2048; i += 2) {
in[i] = G_MAXINT16;
in[i + 1] = G_MININT16;
}
gst_fft_s16_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_s16_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 32767.0 * 32767.0;
mag = 10.0 * log10 (mag);
if (i > 1022)
fail_unless (mag > -15.0);
else
fail_unless (mag < -55.0);
}
gst_fft_s16_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_s32_0hz)
{
gint i;
gint32 *in;
GstFFTS32Complex *out;
GstFFTS32 *ctx;
in = g_new (gint32, 2048);
out = g_new (GstFFTS32Complex, 1025);
ctx = gst_fft_s32_new (2048, FALSE);
for (i = 0; i < 2048; i++)
in[i] = 2147483647;
gst_fft_s32_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_s32_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 2147483647.0 * 2147483647.0;
mag = 10.0 * log10 (mag);
if (i < 2)
fail_unless (mag > -15.0);
else
fail_unless (mag < -60.0);
}
gst_fft_s32_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_s32_11025hz)
{
gint i;
gint32 *in;
GstFFTS32Complex *out;
GstFFTS32 *ctx;
in = g_new (gint32, 2048);
out = g_new (GstFFTS32Complex, 1025);
ctx = gst_fft_s32_new (2048, FALSE);
for (i = 0; i < 2048; i += 4) {
in[i] = 0;
in[i + 1] = G_MAXINT32;
in[i + 2] = 0;
in[i + 3] = G_MININT32;
}
gst_fft_s32_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_s32_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 2147483647.0 * 2147483647.0;
mag = 10.0 * log10 (mag);
if (abs (512 - i) < 2)
fail_unless (mag > -20.0);
else
fail_unless (mag < -60.0);
}
gst_fft_s32_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_s32_22050hz)
{
gint i;
gint32 *in;
GstFFTS32Complex *out;
GstFFTS32 *ctx;
in = g_new (gint32, 2048);
out = g_new (GstFFTS32Complex, 1025);
ctx = gst_fft_s32_new (2048, FALSE);
for (i = 0; i < 2048; i += 2) {
in[i] = G_MAXINT32;
in[i + 1] = G_MININT32;
}
gst_fft_s32_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_s32_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 2147483647.0 * 2147483647.0;
mag = 10.0 * log10 (mag);
if (i > 1022)
fail_unless (mag > -15.0);
else
fail_unless (mag < -60.0);
}
gst_fft_s32_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_f32_0hz)
{
gint i;
gfloat *in;
GstFFTF32Complex *out;
GstFFTF32 *ctx;
in = g_new (gfloat, 2048);
out = g_new (GstFFTF32Complex, 1025);
ctx = gst_fft_f32_new (2048, FALSE);
for (i = 0; i < 2048; i++)
in[i] = 1.0;
gst_fft_f32_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_f32_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 2048.0 * 2048.0;
mag = 10.0 * log10 (mag);
if (i < 2)
fail_unless (mag > -15.0);
else
fail_unless (mag < -60.0);
}
gst_fft_f32_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_f32_11025hz)
{
gint i;
gfloat *in;
GstFFTF32Complex *out;
GstFFTF32 *ctx;
in = g_new (gfloat, 2048);
out = g_new (GstFFTF32Complex, 1025);
ctx = gst_fft_f32_new (2048, FALSE);
for (i = 0; i < 2048; i += 4) {
in[i] = 0.0;
in[i + 1] = 1.0;
in[i + 2] = 0.0;
in[i + 3] = -1.0;
}
gst_fft_f32_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_f32_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 2048.0 * 2048.0;
mag = 10.0 * log10 (mag);
if (abs (512 - i) < 2)
fail_unless (mag > -20.0);
else
fail_unless (mag < -60.0);
}
gst_fft_f32_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_f32_22050hz)
{
gint i;
gfloat *in;
GstFFTF32Complex *out;
GstFFTF32 *ctx;
in = g_new (gfloat, 2048);
out = g_new (GstFFTF32Complex, 1025);
ctx = gst_fft_f32_new (2048, FALSE);
for (i = 0; i < 2048; i += 2) {
in[i] = 1.0;
in[i + 1] = -1.0;
}
gst_fft_f32_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_f32_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 2048.0 * 2048.0;
mag = 10.0 * log10 (mag);
if (i > 1022)
fail_unless (mag > -15.0);
else
fail_unless (mag < -60.0);
}
gst_fft_f32_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_f64_0hz)
{
gint i;
gdouble *in;
GstFFTF64Complex *out;
GstFFTF64 *ctx;
in = g_new (gdouble, 2048);
out = g_new (GstFFTF64Complex, 1025);
ctx = gst_fft_f64_new (2048, FALSE);
for (i = 0; i < 2048; i++)
in[i] = 1.0;
gst_fft_f64_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_f64_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 2048.0 * 2048.0;
mag = 10.0 * log10 (mag);
if (i < 2)
fail_unless (mag > -15.0);
else
fail_unless (mag < -60.0);
}
gst_fft_f64_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_f64_11025hz)
{
gint i;
gdouble *in;
GstFFTF64Complex *out;
GstFFTF64 *ctx;
in = g_new (gdouble, 2048);
out = g_new (GstFFTF64Complex, 1025);
ctx = gst_fft_f64_new (2048, FALSE);
for (i = 0; i < 2048; i += 4) {
in[i] = 0.0;
in[i + 1] = 1.0;
in[i + 2] = 0.0;
in[i + 3] = -1.0;
}
gst_fft_f64_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_f64_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 2048.0 * 2048.0;
mag = 10.0 * log10 (mag);
if (abs (512 - i) < 2)
fail_unless (mag > -20.0);
else
fail_unless (mag < -60.0);
}
gst_fft_f64_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
GST_START_TEST (test_f64_22050hz)
{
gint i;
gdouble *in;
GstFFTF64Complex *out;
GstFFTF64 *ctx;
in = g_new (gdouble, 2048);
out = g_new (GstFFTF64Complex, 1025);
ctx = gst_fft_f64_new (2048, FALSE);
for (i = 0; i < 2048; i += 2) {
in[i] = 1.0;
in[i + 1] = -1.0;
}
gst_fft_f64_window (ctx, in, GST_FFT_WINDOW_HAMMING);
gst_fft_f64_fft (ctx, in, out);
for (i = 0; i < 1025; i++) {
gdouble mag;
mag = (gdouble) out[i].r * (gdouble) out[i].r;
mag += (gdouble) out[i].i * (gdouble) out[i].i;
mag /= 2048.0 * 2048.0;
mag = 10.0 * log10 (mag);
if (i > 1022)
fail_unless (mag > -15.0);
else
fail_unless (mag < -60.0);
}
gst_fft_f64_free (ctx);
g_free (in);
g_free (out);
}
GST_END_TEST;
static Suite *
fft_suite (void)
{
Suite *s = suite_create ("fft library");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_next_fast_length);
tcase_add_test (tc_chain, test_s16_0hz);
tcase_add_test (tc_chain, test_s16_11025hz);
tcase_add_test (tc_chain, test_s16_22050hz);
tcase_add_test (tc_chain, test_s32_0hz);
tcase_add_test (tc_chain, test_s32_11025hz);
tcase_add_test (tc_chain, test_s32_22050hz);
tcase_add_test (tc_chain, test_f32_0hz);
tcase_add_test (tc_chain, test_f32_11025hz);
tcase_add_test (tc_chain, test_f32_22050hz);
tcase_add_test (tc_chain, test_f64_0hz);
tcase_add_test (tc_chain, test_f64_11025hz);
tcase_add_test (tc_chain, test_f64_22050hz);
return s;
}
GST_CHECK_MAIN (fft);