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audioconvert: add function to get phase to resampler API

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Support getting any fractional phase part of the resampler delay in its
API.
This commit is contained in:
Pauli Virtanen 2025-01-14 21:54:45 +02:00
parent d36a867788
commit 07f6dde3dd
3 changed files with 30 additions and 0 deletions
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22
spa/plugins/audioconvert/resample-native.c
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@ -315,6 +315,27 @@ static uint32_t impl_native_delay (struct resample *r)
return d->n_taps / 2 - 1;
}
static int32_t impl_native_phase_ns(struct resample *r)
{
struct native_data *d = r->data;
if (d->func == d->info->process_full) {
float pho = -(float)((int32_t)d->phase) / d->out_rate;
if (pho != 0.0f)
pho += 1.0f;
return (int32_t)(pho * SPA_NSEC_PER_SEC / r->i_rate);
} else if (d->func == d->info->process_inter) {
float pho = -d->phase / d->out_rate;
if (pho != 0.0f)
pho += 1.0f;
return (int32_t)(pho * SPA_NSEC_PER_SEC / r->i_rate);
}
return 0;
}
int resample_native_init(struct resample *r)
{
struct native_data *d;
@ -331,6 +352,7 @@ int resample_native_init(struct resample *r)
r->process = impl_native_process;
r->reset = impl_native_reset;
r->delay = impl_native_delay;
r->phase_ns = impl_native_phase_ns;
q = &window_qualities[r->quality];