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/* 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 "config.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <time.h>
#include "test-helper.h"
#include "resample.h"
#define MAX_SAMPLES 4096
#define MAX_CHANNELS 11
#define MAX_COUNT 200
static uint32_t cpu_flags;
struct stats {
uint32_t in_rate;
uint32_t out_rate;
uint32_t n_samples;
uint32_t n_channels;
uint64_t perf;
const char *name;
const char *impl;
};
static float samp_in[MAX_SAMPLES * MAX_CHANNELS];
static float samp_out[MAX_SAMPLES * MAX_CHANNELS];
static const int sample_sizes[] = { 0, 1, 128, 513, 4096 };
static const int in_rates[] = { 44100, 44100, 48000, 96000, 22050, 96000 };
static const int out_rates[] = { 44100, 48000, 44100, 48000, 48000, 44100 };
#define MAX_RESAMPLER 5
#define MAX_SIZES SPA_N_ELEMENTS(sample_sizes)
#define MAX_RATES SPA_N_ELEMENTS(in_rates)
#define MAX_RESULTS MAX_RESAMPLER * MAX_SIZES * MAX_RATES
static uint32_t n_results = 0;
static struct stats results[MAX_RESULTS];
static void run_test1(const char *name, const char *impl, struct resample *r, int n_samples)
{
uint32_t i, j;
const void *ip[MAX_CHANNELS];
void *op[MAX_CHANNELS];
struct timespec ts;
uint64_t count, t1, t2;
uint32_t in_len, out_len;
for (j = 0; j < r->channels; j++) {
ip[j] = &samp_in[j * MAX_SAMPLES];
op[j] = &samp_out[j * MAX_SAMPLES];
}
clock_gettime(CLOCK_MONOTONIC, &ts);
t1 = SPA_TIMESPEC_TO_NSEC(&ts);
count = 0;
for (i = 0; i < MAX_COUNT; i++) {
in_len = n_samples;
out_len = MAX_SAMPLES;
resample_process(r, ip, &in_len, op, &out_len);
count++;
}
clock_gettime(CLOCK_MONOTONIC, &ts);
t2 = SPA_TIMESPEC_TO_NSEC(&ts);
spa_assert(n_results < MAX_RESULTS);
results[n_results++] = (struct stats) {
.in_rate = r->i_rate,
.out_rate = r->o_rate,
.n_samples = n_samples,
.n_channels = r->channels,
.perf = count * (uint64_t)SPA_NSEC_PER_SEC / (t2 - t1),
.name = name,
.impl = impl
};
}
static void run_test(const char *name, const char *impl, struct resample *r)
{
size_t i;
for (i = 0; i < SPA_N_ELEMENTS(sample_sizes); i++)
run_test1(name, impl, r, sample_sizes[i]);
}
static int compare_func(const void *_a, const void *_b)
{
const struct stats *a = _a, *b = _b;
int diff;
if ((diff = a->in_rate - b->in_rate) != 0) return diff;
if ((diff = a->out_rate - b->out_rate) != 0) return diff;
if ((diff = a->n_samples - b->n_samples) != 0) return diff;
if ((diff = a->n_channels - b->n_channels) != 0) return diff;
if ((diff = b->perf - a->perf) != 0) return diff;
return 0;
}
int main(int argc, char *argv[])
{
struct resample r;
uint32_t i;
cpu_flags = get_cpu_flags();
printf("got get CPU flags %d\n", cpu_flags);
for (i = 0; i < SPA_N_ELEMENTS(in_rates); i++) {
spa_zero(r);
r.channels = 2;
r.cpu_flags = 0;
r.i_rate = in_rates[i];
r.o_rate = out_rates[i];
r.quality = RESAMPLE_DEFAULT_QUALITY;
resample_native_init(&r);
run_test("native", "c", &r);
resample_free(&r);
}
#if defined (HAVE_SSE)
if (cpu_flags & SPA_CPU_FLAG_SSE) {
for (i = 0; i < SPA_N_ELEMENTS(in_rates); i++) {
spa_zero(r);
r.channels = 2;
r.cpu_flags = SPA_CPU_FLAG_SSE;
r.i_rate = in_rates[i];
r.o_rate = out_rates[i];
r.quality = RESAMPLE_DEFAULT_QUALITY;
resample_native_init(&r);
run_test("native", "sse", &r);
resample_free(&r);
}
}
#endif
#if defined (HAVE_SSSE3)
if (cpu_flags & SPA_CPU_FLAG_SSSE3) {
for (i = 0; i < SPA_N_ELEMENTS(in_rates); i++) {
spa_zero(r);
r.channels = 2;
r.cpu_flags = SPA_CPU_FLAG_SSSE3 | SPA_CPU_FLAG_SLOW_UNALIGNED;
r.i_rate = in_rates[i];
r.o_rate = out_rates[i];
r.quality = RESAMPLE_DEFAULT_QUALITY;
resample_native_init(&r);
run_test("native", "ssse3", &r);
resample_free(&r);
}
}
#endif
#if defined (HAVE_AVX) && defined(HAVE_FMA)
if (SPA_FLAG_IS_SET(cpu_flags, SPA_CPU_FLAG_AVX | SPA_CPU_FLAG_FMA3)) {
for (i = 0; i < SPA_N_ELEMENTS(in_rates); i++) {
spa_zero(r);
r.channels = 2;
r.cpu_flags = SPA_CPU_FLAG_AVX | SPA_CPU_FLAG_FMA3;
r.i_rate = in_rates[i];
r.o_rate = out_rates[i];
r.quality = RESAMPLE_DEFAULT_QUALITY;
resample_native_init(&r);
run_test("native", "avx", &r);
resample_free(&r);
}
}
#endif
qsort(results, n_results, sizeof(struct stats), compare_func);
for (i = 0; i < n_results; i++) {
struct stats *s = &results[i];
fprintf(stderr, "%-12."PRIu64" \t%-16.16s %s \t%d->%d samples %d, channels %d\n",
s->perf, s->name, s->impl, s->in_rate, s->out_rate,
s->n_samples, s->n_channels);
}
return 0;
}
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