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#include <CUnit/CUnit.h>
#include <CUnit/Basic.h>
#include <sndfile.h>
#include "../src/sample.h"
#include "../src/sample_ops.h"
static void
test_sample_ops_get_zero_crossing ()
{
gint err;
guint32 zero;
struct idata sample;
struct sample_info *sample_info;
struct sample_info sample_info_src;
struct sample_load_opts sample_load_opts;
printf ("\n");
sample_load_opts_init (&sample_load_opts, 1, 48000, SF_FORMAT_PCM_16,
FALSE);
err = sample_load_from_file (TEST_DATA_DIR
"/connectors/square.wav",
&sample, NULL, &sample_load_opts,
&sample_info_src);
CU_ASSERT_EQUAL (err, 0);
if (err)
{
return;
}
sample_info = sample.info;
zero = sample_ops_get_prev_zero_crossing (&sample, 1050,
SAMPLE_OPS_ZERO_CROSSING_SLOPE_POSITIVE);
CU_ASSERT_EQUAL (zero, 981);
zero = sample_ops_get_prev_zero_crossing (&sample, 1050,
SAMPLE_OPS_ZERO_CROSSING_SLOPE_NEGATIVE);
CU_ASSERT_EQUAL (zero, 1036);
zero = sample_ops_get_prev_zero_crossing (&sample, 0,
SAMPLE_OPS_ZERO_CROSSING_SLOPE_POSITIVE);
CU_ASSERT_EQUAL (zero, 0);
zero = sample_ops_get_next_zero_crossing (&sample, 44050,
SAMPLE_OPS_ZERO_CROSSING_SLOPE_POSITIVE);
CU_ASSERT_EQUAL (zero, 44073);
zero = sample_ops_get_next_zero_crossing (&sample, 44050,
SAMPLE_OPS_ZERO_CROSSING_SLOPE_NEGATIVE);
CU_ASSERT_EQUAL (zero, 44128);
zero = sample_ops_get_next_zero_crossing (&sample, sample_info->frames - 1,
SAMPLE_OPS_ZERO_CROSSING_SLOPE_POSITIVE);
CU_ASSERT_EQUAL (zero, sample_info->frames - 1);
idata_clear (&sample);
}
static void
test_sample_ops_timestretch ()
{
gdouble ratio = 0.5;
struct idata sample;
struct sample_info *sample_info;
struct sample_info sample_info_src;
struct sample_load_opts sample_load_opts;
gint err, loaded_frames, loaded_loop_start, loaded_loop_end;
printf ("\n");
sample_load_opts_init (&sample_load_opts, 1, 48000, SF_FORMAT_PCM_16,
FALSE);
err = sample_load_from_file (TEST_DATA_DIR
"/connectors/square.wav",
&sample, NULL, &sample_load_opts,
&sample_info_src);
CU_ASSERT_EQUAL (err, 0);
if (err)
{
return;
}
sample_info = sample.info;
loaded_frames = sample_info->frames;
loaded_loop_start = sample_info->loop_start;
loaded_loop_end = sample_info->loop_end;
err = sample_ops_timestretch (&sample, ratio);
CU_ASSERT_EQUAL (sample_info->frames, (guint32) loaded_frames * ratio);
CU_ASSERT_EQUAL (sample_info->loop_start,
(guint32) (loaded_loop_start * ratio));
CU_ASSERT_EQUAL (sample_info->loop_end,
(guint32) (loaded_loop_end * ratio));
idata_clear (&sample);
}
gint
main (gint argc, gchar *argv[])
{
gint err = 0;
debug_level = 5;
if (CU_initialize_registry () != CUE_SUCCESS)
{
goto cleanup;
}
CU_pSuite suite = CU_add_suite ("Elektroid sample operations tests", 0, 0);
if (!suite)
{
goto cleanup;
}
if (!CU_add_test (suite, "sample_ops_get_zero_crossing",
test_sample_ops_get_zero_crossing))
{
goto cleanup;
}
if (!CU_add_test (suite, "sample_ops_timestretch",
test_sample_ops_timestretch))
{
goto cleanup;
}
CU_basic_set_mode (CU_BRM_VERBOSE);
CU_basic_run_tests ();
err = CU_get_number_of_tests_failed ();
cleanup:
CU_cleanup_registry ();
return err || CU_get_error ();
}
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