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filter-chain: use optimized sum

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This commit is contained in:
Wim Taymans 2022-11-27 11:51:52 +01:00
parent ca8bc59d0a
commit f673764e58
1 changed files with 10 additions and 21 deletions
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31
src/modules/module-filter-chain/convolver.c
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@ -420,8 +420,6 @@ void convolver_free(struct convolver *conv)
int convolver_run(struct convolver *conv, const float *input, float *output, int length) int convolver_run(struct convolver *conv, const float *input, float *output, int length)
{ {
int i;
convolver1_run(conv->headConvolver, input, output, length); convolver1_run(conv->headConvolver, input, output, length);
if (conv->tailInput) { if (conv->tailInput) {
@ -431,24 +429,14 @@ int convolver_run(struct convolver *conv, const float *input, float *output, int
int remaining = length - processed; int remaining = length - processed;
int processing = SPA_MIN(remaining, conv->headBlockSize - (conv->tailInputFill % conv->headBlockSize)); int processing = SPA_MIN(remaining, conv->headBlockSize - (conv->tailInputFill % conv->headBlockSize));
const int sumBegin = processed; if (conv->tailPrecalculated0)
const int sumEnd = processed + processing; fft_sum(&output[processed], &output[processed],
&conv->tailPrecalculated0[conv->precalculatedPos],
if (conv->tailPrecalculated0) { processing);
int precalculatedPos = conv->precalculatedPos; if (conv->tailPrecalculated)
for (i = sumBegin; i < sumEnd; i++) { fft_sum(&output[processed], &output[processed],
output[i] += conv->tailPrecalculated0[precalculatedPos]; &conv->tailPrecalculated[conv->precalculatedPos],
precalculatedPos++; processing);
}
}
if (conv->tailPrecalculated) {
int precalculatedPos = conv->precalculatedPos;
for (i = sumBegin; i < sumEnd; i++) {
output[i] += conv->tailPrecalculated[precalculatedPos];
precalculatedPos++;
}
}
conv->precalculatedPos += processing; conv->precalculatedPos += processing;
fft_copy(conv->tailInput + conv->tailInputFill, input + processed, processing); fft_copy(conv->tailInput + conv->tailInputFill, input + processed, processing);
@ -467,7 +455,8 @@ int convolver_run(struct convolver *conv, const float *input, float *output, int
if (conv->tailPrecalculated && if (conv->tailPrecalculated &&
conv->tailInputFill == conv->tailBlockSize) { conv->tailInputFill == conv->tailBlockSize) {
SPA_SWAP(conv->tailPrecalculated, conv->tailOutput); SPA_SWAP(conv->tailPrecalculated, conv->tailOutput);
convolver1_run(conv->tailConvolver, conv->tailInput, conv->tailOutput, conv->tailBlockSize); convolver1_run(conv->tailConvolver, conv->tailInput,
conv->tailOutput, conv->tailBlockSize);
} }
if (conv->tailInputFill == conv->tailBlockSize) { if (conv->tailInputFill == conv->tailBlockSize) {
conv->tailInputFill = 0; conv->tailInputFill = 0;