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tests: add test for noise

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This commit is contained in:
Wim Taymans 2022-07-11 15:49:44 +02:00
parent a56435c4dc
commit 9a5a71dda9
1 changed files with 85 additions and 1 deletions
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86
spa/plugins/audioconvert/test-fmt-ops.c
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@ -626,10 +626,91 @@ static void test_swaps(void)
}
}
static void run_test_noise(uint32_t fmt, uint32_t noise, uint32_t flags)
{
struct convert conv;
const void *ip[N_CHANNELS];
void *op[N_CHANNELS];
uint32_t i, range;
spa_zero(conv);
conv.noise = noise;
conv.src_fmt = SPA_AUDIO_FORMAT_F32P;
conv.dst_fmt = fmt;
conv.n_channels = 2;
conv.rate = 44100;
conv.cpu_flags = flags;
spa_assert_se(convert_init(&conv) == 0);
fprintf(stderr, "test noise %s:\n", conv.func_name);
memset(samp_in, 0, sizeof(samp_in));
for (i = 0; i < conv.n_channels; i++) {
ip[i] = samp_in;
op[i] = samp_out;
}
convert_process(&conv, op, ip, N_SAMPLES);
range = (1 << conv.noise) - 1;
for (i = 0; i < conv.n_channels * N_SAMPLES; i++) {
switch (fmt) {
case SPA_AUDIO_FORMAT_S8:
{
int8_t *d = (int8_t *)samp_out;
spa_assert_se(SPA_ABS(d[i] - 0) <= (int8_t)range);
break;
}
case SPA_AUDIO_FORMAT_U8:
{
uint8_t *d = (uint8_t *)samp_out;
spa_assert_se((int8_t)SPA_ABS(d[i] - 0x80) <= (int8_t)(range<<1));
break;
}
case SPA_AUDIO_FORMAT_S16:
{
int16_t *d = (int16_t *)samp_out;
spa_assert_se(SPA_ABS(d[i] - 0) <= (int16_t)range);
break;
}
case SPA_AUDIO_FORMAT_S24:
{
int24_t *d = (int24_t *)samp_out;
spa_assert_se(SPA_ABS(s24_to_s32(d[i]) - 0) <= (int32_t)range);
break;
}
case SPA_AUDIO_FORMAT_S32:
{
int32_t *d = (int32_t *)samp_out;
spa_assert_se(SPA_ABS(d[i] - 0) <= (int32_t)(range << 8));
break;
}
default:
spa_assert_not_reached();
break;
}
}
convert_free(&conv);
}
static void test_noise(void)
{
run_test_noise(SPA_AUDIO_FORMAT_S8, 1, 0);
run_test_noise(SPA_AUDIO_FORMAT_S8, 2, 0);
run_test_noise(SPA_AUDIO_FORMAT_U8, 1, 0);
run_test_noise(SPA_AUDIO_FORMAT_U8, 2, 0);
run_test_noise(SPA_AUDIO_FORMAT_S16, 1, 0);
run_test_noise(SPA_AUDIO_FORMAT_S16, 2, 0);
run_test_noise(SPA_AUDIO_FORMAT_S24, 1, 0);
run_test_noise(SPA_AUDIO_FORMAT_S24, 2, 0);
run_test_noise(SPA_AUDIO_FORMAT_S32, 1, 0);
run_test_noise(SPA_AUDIO_FORMAT_S32, 2, 0);
}
int main(int argc, char *argv[])
{
cpu_flags = get_cpu_flags();
printf("got get CPU flags %d\n", cpu_flags);
printf("got CPU flags %d\n", cpu_flags);
test_f32_s8();
test_s8_f32();
@ -664,5 +745,8 @@ int main(int argc, char *argv[])
test_lossless_u32();
test_swaps();
test_noise();
return 0;
}