mirror of https://github.com/bsnes-emu/bsnes.git
55 lines
1.2 KiB
C++
Executable File
55 lines
1.2 KiB
C++
Executable File
#ifdef NALL_DSP_INTERNAL_HPP
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#include "lib/sinc.hpp"
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struct ResampleSinc : Resampler {
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inline void setFrequency();
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inline void clear();
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inline void sample();
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inline ResampleSinc(DSP &dsp);
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private:
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inline void remakeSinc();
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SincResample *sinc_resampler[8];
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};
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void ResampleSinc::setFrequency() {
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remakeSinc();
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}
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void ResampleSinc::clear() {
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remakeSinc();
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}
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void ResampleSinc::sample() {
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for(unsigned c = 0; c < dsp.settings.channels; c++) {
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sinc_resampler[c]->write(dsp.buffer.read(c));
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}
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if(sinc_resampler[0]->output_avail()) {
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do {
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for(unsigned c = 0; c < dsp.settings.channels; c++) {
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dsp.output.write(c) = sinc_resampler[c]->read();
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}
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dsp.output.wroffset++;
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} while(sinc_resampler[0]->output_avail());
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}
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dsp.buffer.rdoffset++;
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}
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ResampleSinc::ResampleSinc(DSP &dsp) : Resampler(dsp) {
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for(unsigned n = 0; n < 8; n++) sinc_resampler[n] = 0;
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}
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void ResampleSinc::remakeSinc() {
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assert(dsp.settings.channels < 8);
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for(unsigned c = 0; c < dsp.settings.channels; c++) {
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if(sinc_resampler[c]) delete sinc_resampler[c];
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sinc_resampler[c] = new SincResample(dsp.settings.frequency, frequency, 0.85, SincResample::QUALITY_HIGH);
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}
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}
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#endif
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