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add test for sample rate changes

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This commit is contained in:
derselbst 2018-04-11 11:03:24 +02:00
parent cb35fac1c6
commit 36881f4ba8
2 changed files with 68 additions and 0 deletions
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2
test/CMakeLists.txt
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@ -8,6 +8,7 @@ include ( FluidUnitTest )
ADD_FLUID_TEST(test_sample_cache)
ADD_FLUID_TEST(test_sfont_loading)
ADD_FLUID_TEST(test_defsfont_preset_iteration)
ADD_FLUID_TEST(test_sample_rate_change)
add_custom_target(check
@ -16,4 +17,5 @@ DEPENDS
test_sample_cache
test_sfont_loading
test_defsfont_preset_iteration
test_sample_rate_change
)

66
test/test_sample_rate_change.c Normal file
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@ -0,0 +1,66 @@
#include "test.h"
#include "fluidsynth.h"
#include "synth/fluid_synth.h"
#include "synth/fluid_voice.h"
#include "rvoice/fluid_rvoice.h"
#include "utils/fluidsynth_priv.h"
static void verify_sample_rate(fluid_synth_t* synth, int expected_srate)
{
int i;
TEST_ASSERT(synth->sample_rate == expected_srate);
for (i=0; i < synth->polyphony; i++)
{
TEST_ASSERT(synth->voice[i]->output_rate == expected_srate);
TEST_ASSERT(synth->voice[i]->rvoice->dsp.output_rate == expected_srate);
TEST_ASSERT(synth->voice[i]->overflow_rvoice->dsp.output_rate == expected_srate);
}
// TODO check fx, rvoice_mixer et. al.?
}
// this test should make sure that sample rate changed are handled correctly
int main(void)
{
int polyphony;
double sample_rate;
fluid_settings_t *settings = new_fluid_settings();
fluid_synth_t *synth = new_fluid_synth(settings);
TEST_ASSERT(settings != NULL);
TEST_ASSERT(synth != NULL);
TEST_SUCCESS(fluid_settings_getint(settings, "synth.polyphony", &polyphony));
TEST_ASSERT(polyphony == synth->polyphony);
TEST_SUCCESS(fluid_settings_getnum(settings, "synth.sample-rate", &sample_rate));
verify_sample_rate(synth, sample_rate);
TEST_SUCCESS(fluid_synth_sfload(synth, TEST_SOUNDFONT, 1));
// play some notes to start some voices
TEST_SUCCESS(fluid_synth_noteon(synth, 0, 60, 127));
TEST_SUCCESS(fluid_synth_noteon(synth, 2, 71, 127));
TEST_SUCCESS(fluid_synth_noteon(synth, 3, 82, 127));
verify_sample_rate(synth, sample_rate);
// set srate to minimum allowed
sample_rate = 8000;
fluid_synth_set_sample_rate(synth, sample_rate);
// manually dispatch rvoice events to get samples rates updated (this simulates the render thread)
fluid_synth_process_event_queue(synth);
verify_sample_rate(synth, sample_rate);
delete_fluid_synth(synth);
delete_fluid_settings(settings);
return EXIT_SUCCESS;
}