fluidsynth/test/test_synth_process.c
2019-04-17 19:20:36 +02:00

87 lines
2.3 KiB
C

#include "test.h"
#include "fluidsynth.h"
#include "fluidsynth_priv.h"
#include "fluid_synth.h"
#include <string.h>
// static const int CHANNELS=16;
enum { SAMPLES=1024 };
int render_one_mock(fluid_synth_t *synth, int blocks)
{
static int smpl;
fluid_real_t *left_in, *fx_left_in;
fluid_real_t *right_in, *fx_right_in;
int i, j;
int nfxchan = fluid_synth_count_effects_channels(synth),
nfxunits = fluid_synth_count_effects_groups(synth),
naudchan = fluid_synth_count_audio_channels(synth);
fluid_rvoice_mixer_get_bufs(synth->eventhandler->mixer, &left_in, &right_in);
fluid_rvoice_mixer_get_fx_bufs(synth->eventhandler->mixer, &fx_left_in, &fx_right_in);
for(i = 0; i < naudchan; i++)
{
for(j = 0; j < blocks * FLUID_BUFSIZE; j++)
{
int idx = i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE + j;
right_in[idx] = left_in[idx] = (float)smpl++;
}
}
return blocks;
}
int render_and_check(fluid_synth_t* synth, int number_of_samples, int offset)
{
int i;
float left[SAMPLES], right[SAMPLES];
float *dry[1 * 2];
dry[0] = left;
dry[1] = right;
memset(left, 0, sizeof(left));
memset(right, 0, sizeof(right));
TEST_SUCCESS(fluid_synth_process_LOCAL(synth, number_of_samples, 0, NULL, 2, dry, render_one_mock));
for(i=0; i<number_of_samples; i++)
{
TEST_ASSERT(left[i]==i+offset);
TEST_ASSERT(right[i]==i+offset);
}
return i+offset;
}
// this test should make sure that sample rate changed are handled correctly
int main(void)
{
int off=0;
fluid_synth_t *synth;
fluid_settings_t *settings = new_fluid_settings();
TEST_ASSERT(settings != NULL);
// TEST_SUCCESS(fluid_settings_setint(settings, "synth.audio-channels", CHANNELS));
// TEST_SUCCESS(fluid_settings_setint(settings, "synth.audio-groups", CHANNELS));
synth = new_fluid_synth(settings);
TEST_ASSERT(synth != NULL);
off = render_and_check(synth, 100, off);
off = render_and_check(synth, 200, off);
off = render_and_check(synth, 300, off);
off = render_and_check(synth, 1000, off);
off = render_and_check(synth, 900, off);
off = render_and_check(synth, 800, off);
delete_fluid_synth(synth);
delete_fluid_settings(settings);
return EXIT_SUCCESS;
}