41 lines
874 B
C
41 lines
874 B
C
#include "mix.h"
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#include "stddef.h"
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#include "time.h"
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#include "sound.h"
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static struct bus bus[256];
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short mastermix[BUF_FRAMES*CHANNELS];
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struct bus *first_free_bus(struct dsp_filter in) {
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for (int i = 0; i < 256; i++) {
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if (!bus[i].on) {
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bus[i].on = 1;
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bus[i].in = in;
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return &bus[i];
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}
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}
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return NULL;
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}
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void bus_free(struct bus *bus)
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{
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bus->on = 0;
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}
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void bus_fill_buffers(short *master, int n) {
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for (int i = 0; i < 256; i++) {
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if (bus[i].on != 1) continue;
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dsp_run(bus[i].in, bus[i].buf, BUF_FRAMES);
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}
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memset(master, 0, BUF_FRAMES*CHANNELS*sizeof(short));
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for (int j = 0; j < 256; j++) {
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if (!bus[j].on) continue;
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for (int i = 0; i < BUF_FRAMES*CHANNELS; i++) {
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master[i] += bus[j].buf[i];
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}
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}
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}
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