Gordonjcp/barrverb
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very crude downsampling

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This commit is contained in:
Gordon JC Pearce 2024-07-29 22:09:09 +01:00
parent 3c09c94786
commit 83c4cba47c
1 changed files with 8 additions and 1 deletions
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9
plugin/barrverb.cpp
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@ -115,10 +115,13 @@ void BarrVerb::run(const float **inputs, float **outputs, uint32_t frames) {
in_z22 += c2_2 * in_z12; in_z22 += c2_2 * in_z12;
in_z12 += c1_2 * x; in_z12 += c1_2 * x;
lowpass[i] = d0_2 * x + in_z22; lowpass[i] = d0_2 * x + in_z22;
}
// now run the DSP
for (uint32_t i=0; i < frames; i+=2) {
// run the actual DSP engine for each sample // run the actual DSP engine for each sample
for (uint8_t step = 0; step < 128; step++) { for (uint8_t step = 0; step < 128; step++) {
opcode = rom[(128*48) + step]; opcode = rom[(128*44) + step];
switch (opcode & 0xc000) { switch (opcode & 0xc000) {
case 0x0000: case 0x0000:
ai = ram[ptr]; ai = ram[ptr];
@ -145,9 +148,12 @@ void BarrVerb::run(const float **inputs, float **outputs, uint32_t frames) {
} else if (step == 0x60) { } else if (step == 0x60) {
// output right channel // output right channel
outputs[1][i] = (float)ai / 4096; outputs[1][i] = (float)ai / 4096;
outputs[1][i+1] = (float)ai / 4096;
} else if (step == 0x70) { } else if (step == 0x70) {
// output left channel // output left channel
outputs[0][i] = (float)ai / 4096; outputs[0][i] = (float)ai / 4096;
outputs[0][i+1] = (float)ai / 4096;
} else { } else {
// everything else // everything else
// ADC and DAC operations don't affect the accumulator // ADC and DAC operations don't affect the accumulator
@ -164,4 +170,5 @@ void BarrVerb::run(const float **inputs, float **outputs, uint32_t frames) {
// create the plugin // create the plugin
Plugin *createPlugin() { return new BarrVerb(); } Plugin *createPlugin() { return new BarrVerb(); }
END_NAMESPACE_DISTRHO END_NAMESPACE_DISTRHO