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audioconvert: build C versions with -Ofast and -ffast-math

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Move resampler implementations to a -c version.
Compile some of the functions with other flags to make them more
optimized.
This commit is contained in:
Wim Taymans 2022-07-14 10:07:07 +02:00
parent 0ba3e7c5db
commit 419517fd55
8 changed files with 156 additions and 95 deletions
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46
spa/plugins/audioconvert/resample-peaks.c
View file

@ -29,52 +29,6 @@
#include "resample-peaks-impl.h"
static void resample_peaks_process_c(struct resample *r,
const void * SPA_RESTRICT src[], uint32_t *in_len,
void * SPA_RESTRICT dst[], uint32_t *out_len)
{
struct peaks_data *pd = r->data;
uint32_t c, i, o, end, chunk, o_count, i_count;
if (SPA_UNLIKELY(r->channels == 0))
return;
for (c = 0; c < r->channels; c++) {
const float *s = src[c];
float *d = dst[c], m = pd->max_f[c];
o_count = pd->o_count;
i_count = pd->i_count;
o = i = 0;
while (i < *in_len && o < *out_len) {
end = ((uint64_t) (o_count + 1) * r->i_rate) / r->o_rate;
end = end > i_count ? end - i_count : 0;
chunk = SPA_MIN(end, *in_len);
for (; i < chunk; i++)
m = SPA_MAX(fabsf(s[i]), m);
if (i == end) {
d[o++] = m;
m = 0.0f;
o_count++;
}
}
pd->max_f[c] = m;
}
*out_len = o;
*in_len = i;
pd->o_count = o_count;
pd->i_count = i_count + i;
while (pd->i_count >= r->i_rate) {
pd->i_count -= r->i_rate;
pd->o_count -= r->o_rate;
}
}
struct resample_info {
uint32_t format;
uint32_t cpu_flags;