pipewire/spa/plugins/audioconvert/test-resample.c
Wim Taymans 4fafd10a89 resample-native: cleanups
Add some comments, reorganize for better readability
More alignment of filter and history
Add some more test
2019-03-27 11:23:52 +01:00

87 lines
2.1 KiB
C

/* Spa
*
* Copyright © 2019 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <time.h>
#include <spa/debug/mem.h>
#include "resample.h"
#include "resample-native.h"
#define N_SAMPLES 253
#define N_CHANNELS 11
static float samp_in[N_SAMPLES * 4];
static float samp_out[N_SAMPLES * 4];
static void feed_1(struct resample *r)
{
uint32_t i;
const void *src[1];
void *dst[1];
spa_zero(samp_out);
src[0] = samp_in;
dst[0] = samp_out;
for (i = 0; i < 500; i++) {
uint32_t in, out;
in = out = 1;
samp_in[0] = i;
resample_process(r, src, &in, dst, &out);
fprintf(stderr, "%d %d %f %d\n", i, in, samp_out[0], out);
}
}
static void test_native(void)
{
struct resample r;
r.channels = 1;
r.i_rate = 44100;
r.o_rate = 44100;
impl_native_init(&r);
feed_1(&r);
r.channels = 1;
r.i_rate = 44100;
r.o_rate = 48000;
impl_native_init(&r);
feed_1(&r);
}
int main(int argc, char *argv[])
{
test_native();
return 0;
}