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convolver: remove intermediate convolver

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We can simply use the first one with more segments.
This commit is contained in:
Wim Taymans 2026-04-17 10:32:16 +02:00
parent 839e0a4aaf
commit f210d93ea6
1 changed files with 3 additions and 43 deletions
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46
spa/plugins/filter-graph/convolver.c
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@ -222,9 +222,6 @@ struct convolver
int headBlockSize; int headBlockSize;
int tailBlockSize; int tailBlockSize;
struct partition *headPartition; struct partition *headPartition;
struct partition *tailPartition0;
float *tailOutput0;
float *tailPrecalculated0;
struct partition *tailPartition; struct partition *tailPartition;
float *tailOutput; float *tailOutput;
float *tailPrecalculated; float *tailPrecalculated;
@ -238,11 +235,6 @@ void convolver_reset(struct convolver *conv)
if (conv->headPartition) if (conv->headPartition)
partition_reset(dsp, conv->headPartition); partition_reset(dsp, conv->headPartition);
if (conv->tailPartition0) {
partition_reset(dsp, conv->tailPartition0);
spa_fga_dsp_fft_memclear(dsp, conv->tailOutput0, conv->tailBlockSize, true);
spa_fga_dsp_fft_memclear(dsp, conv->tailPrecalculated0, conv->tailBlockSize, true);
}
if (conv->tailPartition) { if (conv->tailPartition) {
partition_reset(dsp, conv->tailPartition); partition_reset(dsp, conv->tailPartition);
spa_fga_dsp_fft_memclear(dsp, conv->tailOutput, conv->tailBlockSize, true); spa_fga_dsp_fft_memclear(dsp, conv->tailOutput, conv->tailBlockSize, true);
@ -278,34 +270,19 @@ struct convolver *convolver_new(struct spa_fga_dsp *dsp, int head_block, int tai
conv->headBlockSize = next_power_of_two(head_block); conv->headBlockSize = next_power_of_two(head_block);
conv->tailBlockSize = next_power_of_two(tail_block); conv->tailBlockSize = next_power_of_two(tail_block);
head_ir_len = SPA_MIN(irlen, conv->tailBlockSize); head_ir_len = SPA_MIN(irlen, 2 * conv->tailBlockSize);
conv->headPartition = partition_new(dsp, conv->headBlockSize, ir, head_ir_len); conv->headPartition = partition_new(dsp, conv->headBlockSize, ir, head_ir_len);
if (conv->headPartition == NULL) if (conv->headPartition == NULL)
goto error; goto error;
if (irlen > conv->tailBlockSize) {
int conv1IrLen = SPA_MIN(irlen - conv->tailBlockSize, conv->tailBlockSize);
conv->tailPartition0 = partition_new(dsp, conv->headBlockSize, ir + conv->tailBlockSize, conv1IrLen);
conv->tailOutput0 = spa_fga_dsp_fft_memalloc(dsp, conv->tailBlockSize, true);
conv->tailPrecalculated0 = spa_fga_dsp_fft_memalloc(dsp, conv->tailBlockSize, true);
if (conv->tailPartition0 == NULL || conv->tailOutput0 == NULL ||
conv->tailPrecalculated0 == NULL)
goto error;
}
if (irlen > 2 * conv->tailBlockSize) { if (irlen > 2 * conv->tailBlockSize) {
int tailIrLen = irlen - (2 * conv->tailBlockSize); int tailIrLen = irlen - (2 * conv->tailBlockSize);
conv->tailPartition = partition_new(dsp, conv->tailBlockSize, ir + (2 * conv->tailBlockSize), tailIrLen); conv->tailPartition = partition_new(dsp, conv->tailBlockSize, ir + (2 * conv->tailBlockSize), tailIrLen);
conv->tailOutput = spa_fga_dsp_fft_memalloc(dsp, conv->tailBlockSize, true); conv->tailOutput = spa_fga_dsp_fft_memalloc(dsp, conv->tailBlockSize, true);
conv->tailPrecalculated = spa_fga_dsp_fft_memalloc(dsp, conv->tailBlockSize, true); conv->tailPrecalculated = spa_fga_dsp_fft_memalloc(dsp, conv->tailBlockSize, true);
if (conv->tailPartition == NULL || conv->tailOutput == NULL ||
conv->tailPrecalculated == NULL)
goto error;
}
if (conv->tailPartition0 || conv->tailPartition) {
conv->tailInput = spa_fga_dsp_fft_memalloc(dsp, 2 * conv->tailBlockSize, true); conv->tailInput = spa_fga_dsp_fft_memalloc(dsp, 2 * conv->tailBlockSize, true);
if (conv->tailInput == NULL) if (conv->tailPartition == NULL || conv->tailOutput == NULL ||
conv->tailPrecalculated == NULL || conv->tailInput == NULL)
goto error; goto error;
} }
@ -323,12 +300,8 @@ void convolver_free(struct convolver *conv)
if (conv->headPartition) if (conv->headPartition)
partition_free(dsp, conv->headPartition); partition_free(dsp, conv->headPartition);
if (conv->tailPartition0)
partition_free(dsp, conv->tailPartition0);
if (conv->tailPartition) if (conv->tailPartition)
partition_free(dsp, conv->tailPartition); partition_free(dsp, conv->tailPartition);
spa_fga_dsp_fft_memfree(dsp, conv->tailOutput0);
spa_fga_dsp_fft_memfree(dsp, conv->tailPrecalculated0);
spa_fga_dsp_fft_memfree(dsp, conv->tailOutput); spa_fga_dsp_fft_memfree(dsp, conv->tailOutput);
spa_fga_dsp_fft_memfree(dsp, conv->tailPrecalculated); spa_fga_dsp_fft_memfree(dsp, conv->tailPrecalculated);
spa_fga_dsp_fft_memfree(dsp, conv->tailInput); spa_fga_dsp_fft_memfree(dsp, conv->tailInput);
@ -352,10 +325,6 @@ int convolver_run(struct convolver *conv, const float *input, float *output, int
partition_run(dsp, conv->headPartition, conv->tailInput + conv->tailInputFill, partition_run(dsp, conv->headPartition, conv->tailInput + conv->tailInputFill,
&output[processed], processing); &output[processed], processing);
if (conv->tailPrecalculated0)
spa_fga_dsp_sum(dsp, &output[processed], &output[processed],
&conv->tailPrecalculated0[conv->tailInputFill],
processing);
if (conv->tailPrecalculated) if (conv->tailPrecalculated)
spa_fga_dsp_sum(dsp, &output[processed], &output[processed], spa_fga_dsp_sum(dsp, &output[processed], &output[processed],
&conv->tailPrecalculated[conv->tailInputFill], &conv->tailPrecalculated[conv->tailInputFill],
@ -363,16 +332,7 @@ int convolver_run(struct convolver *conv, const float *input, float *output, int
conv->tailInputFill += processing; conv->tailInputFill += processing;
if (conv->tailPrecalculated0 && (conv->tailInputFill % conv->headBlockSize == 0)) {
int blockOffset = conv->tailInputFill - conv->headBlockSize;
partition_run(dsp, conv->tailPartition0,
conv->tailInput + blockOffset,
conv->tailOutput0 + blockOffset,
conv->headBlockSize);
}
if (conv->tailInputFill == conv->tailBlockSize) { if (conv->tailInputFill == conv->tailBlockSize) {
if (conv->tailPrecalculated0)
SPA_SWAP(conv->tailPrecalculated0, conv->tailOutput0);
if (conv->tailPrecalculated) { if (conv->tailPrecalculated) {
SPA_SWAP(conv->tailPrecalculated, conv->tailOutput); SPA_SWAP(conv->tailPrecalculated, conv->tailOutput);
partition_run(dsp, conv->tailPartition, conv->tailInput, partition_run(dsp, conv->tailPartition, conv->tailInput,