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convolver: remove some useless loops

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This commit is contained in:
Wim Taymans 2026-04-20 12:02:45 +02:00
parent 777851a7ec
commit d8db536d36
1 changed files with 11 additions and 37 deletions
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52
spa/plugins/filter-graph/convolver.c
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@ -187,54 +187,28 @@ error:
static int partition_run(struct spa_fga_dsp *dsp, struct partition *part, const float *input, float *output, int len) static int partition_run(struct spa_fga_dsp *dsp, struct partition *part, const float *input, float *output, int len)
{ {
int i; int i;
if (part == NULL || part->segCount == 0) {
spa_fga_dsp_fft_memclear(dsp, output, len, true);
return len;
}
int inputBufferFill = part->inputBufferFill; int inputBufferFill = part->inputBufferFill;
int indexAudio = part->current;
spa_fga_dsp_fft_run(dsp, part->fft, 1, input, part->segments[part->current]); spa_fga_dsp_fft_run(dsp, part->fft, 1, input, part->segments[part->current]);
if (part->segCount > 1) {
if (inputBufferFill == 0) {
int indexAudio = part->current;
if (++indexAudio == part->segCount)
indexAudio = 0;
spa_fga_dsp_fft_cmul(dsp, part->fft, part->pre_mult,
part->segmentsIr[1],
part->segments[indexAudio],
part->fftComplexSize, part->scale);
for (i = 2; i < part->segCount; i++) {
if (++indexAudio == part->segCount)
indexAudio = 0;
spa_fga_dsp_fft_cmuladd(dsp, part->fft,
part->pre_mult,
part->pre_mult,
part->segmentsIr[i],
part->segments[indexAudio],
part->fftComplexSize, part->scale);
}
}
spa_fga_dsp_fft_cmuladd(dsp, part->fft,
part->freq,
part->pre_mult,
part->segments[part->current],
part->segmentsIr[0],
part->fftComplexSize, part->scale);
} else {
spa_fga_dsp_fft_cmul(dsp, part->fft, spa_fga_dsp_fft_cmul(dsp, part->fft,
part->freq, part->freq,
part->segments[part->current], part->segments[indexAudio],
part->segmentsIr[0], part->segmentsIr[0],
part->fftComplexSize, part->scale); part->fftComplexSize, part->scale);
}
for (i = 1; i < part->segCount; i++) {
if (++indexAudio == part->segCount)
indexAudio = 0;
spa_fga_dsp_fft_cmuladd(dsp, part->fft,
part->freq,
part->freq,
part->segments[indexAudio],
part->segmentsIr[i],
part->fftComplexSize, part->scale);
}
spa_fga_dsp_fft_run(dsp, part->ifft, -1, part->freq, part->fft_buffer[0]); spa_fga_dsp_fft_run(dsp, part->ifft, -1, part->freq, part->fft_buffer[0]);
spa_fga_dsp_sum(dsp, output, part->fft_buffer[0] + inputBufferFill, spa_fga_dsp_sum(dsp, output, part->fft_buffer[0] + inputBufferFill,