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gaps: special case the gaps check

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When we only do ramp down we can simplify some things.
This commit is contained in:
Wim Taymans 2026-06-18 12:09:16 +02:00
parent 377bab0430
commit 6ce3b75e9d
1 changed files with 29 additions and 3 deletions
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28
spa/plugins/audioconvert/gaps-ops-c.c
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@ -26,7 +26,7 @@ static int run_gap_check(struct gaps *gaps, uint32_t c, const float * SPA_RESTRI
break; break;
} }
} }
if (gaps->gap > 0 && n_samples > gaps->gap) { if (n_samples > gaps->gap) {
for (n = n_samples - gaps->gap - 1; n < n_samples; n++) { for (n = n_samples - gaps->gap - 1; n < n_samples; n++) {
if (in[n] == 0.0f) { if (in[n] == 0.0f) {
tail_filled = false; tail_filled = false;
@ -50,13 +50,39 @@ static int run_gap_check(struct gaps *gaps, uint32_t c, const float * SPA_RESTRI
*empty = false; *empty = false;
return 1; return 1;
} }
static int run_gap_check_ramp(struct gaps *gaps, uint32_t c, const float * SPA_RESTRICT src[], uint32_t n_samples,
bool *empty)
{
struct gaps_state *s = &gaps->states[c];
const float *in = src[c];
if (s->mode == 0)
s->mode = 1;
if (s->mode == 1) {
/* in normal mode remember last sample */
if (n_samples > 0)
s->history[0] = in[n_samples-1];
*empty = false;
return 0;
}
*empty = false;
return 1;
}
int gaps_check_c(struct gaps *gaps, const float * SPA_RESTRICT src[], uint32_t n_samples) int gaps_check_c(struct gaps *gaps, const float * SPA_RESTRICT src[], uint32_t n_samples)
{ {
uint32_t c; uint32_t c;
int res = 0; int res = 0;
gaps->empty = true; gaps->empty = true;
if (gaps->gap > 0) {
for (c = 0; c < gaps->channels; c++) for (c = 0; c < gaps->channels; c++)
res += run_gap_check(gaps, c, src, n_samples, &gaps->empty); res += run_gap_check(gaps, c, src, n_samples, &gaps->empty);
} else {
for (c = 0; c < gaps->channels; c++)
res += run_gap_check_ramp(gaps, c, src, n_samples, &gaps->empty);
}
return res; return res;
} }