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resample: add functions to calculate in/out length

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Add test for this as well
This commit is contained in:
Wim Taymans 2019-07-08 18:26:08 +02:00
parent 0154e6eaac
commit a6a7b3ab54
3 changed files with 76 additions and 0 deletions
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58
spa/plugins/audioconvert/test-resample.c
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@ -81,9 +81,67 @@ static void test_native(void)
feed_1(&r);
}
static void pull_blocks(struct resample *r, uint32_t size)
{
uint32_t i;
float in[size];
float out[size];
const void *src[1];
void *dst[1];
uint32_t in_len, out_len;
uint32_t pin_len, pout_len;
src[0] = in;
dst[0] = out;
for (i = 0; i < 500; i++) {
pout_len = out_len = size;
pin_len = in_len = resample_in_len(r, out_len);
resample_process(r, src, &pin_len, dst, &pout_len);
fprintf(stderr, "%d: %d %d %d %d %d\n", i,
in_len, pin_len, out_len, pout_len,
resample_in_len(r, size));
spa_assert(in_len == pin_len + resample_delay(r));
spa_assert(out_len == pout_len);
}
}
static void test_in_len(void)
{
struct resample r;
spa_zero(r);
r.channels = 1;
r.i_rate = 32000;
r.o_rate = 48000;
impl_native_init(&r);
pull_blocks(&r, 1024);
spa_zero(r);
r.channels = 1;
r.i_rate = 44100;
r.o_rate = 48000;
impl_native_init(&r);
pull_blocks(&r, 1024);
spa_zero(r);
r.channels = 1;
r.i_rate = 48000;
r.o_rate = 44100;
impl_native_init(&r);
pull_blocks(&r, 1024);
}
int main(int argc, char *argv[])
{
test_native();
test_in_len();
return 0;
}