80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
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// Copyright 2024-2025 XMOS LIMITED.
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// This Software is subject to the terms of the XMOS Public Licence: Version 1.
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include "dsp/adsp.h"
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#include "control/adsp_control.h"
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#define FS 48000
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#define MAX_ROOM 1.0
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#define PD_MS 1
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#define PD_SAMPS (uint32_t)(PD_MS * FS / 1000)
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FILE *_fopen(char *fname, char *mode)
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{
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FILE *fp = fopen(fname, mode);
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if (fp == NULL)
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{
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printf("Error opening a file\n");
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exit(1);
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}
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return fp;
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}
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int main()
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{
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float const fs = FS;
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FILE *in = _fopen("../sig_2ch_48k.bin", "rb");
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FILE *out = _fopen("rv_sig_out.bin", "wb");
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FILE *info = _fopen("rv_info.bin", "rb");
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fseek(in, 0, SEEK_END);
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int in_len = (ftell(in) / sizeof(int32_t)) / 2; // stereo
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fseek(in, 0, SEEK_SET);
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int32_t pregain, wet1, wet2, dry, decay, dc_diff1, damp, dc_diff2, bw, in_diff1, in_diff2;
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fread(&pregain, sizeof(int32_t), 1, info);
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fread(&wet1, sizeof(int32_t), 1, info);
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fread(&wet2, sizeof(int32_t), 1, info);
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fread(&dry, sizeof(int32_t), 1, info);
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fread(&decay, sizeof(int32_t), 1, info);
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fread(&dc_diff2, sizeof(int32_t), 1, info);
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fread(&damp, sizeof(int32_t), 1, info);
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fread(&dc_diff1, sizeof(int32_t), 1, info);
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fread(&bw, sizeof(int32_t), 1, info);
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fread(&in_diff1, sizeof(int32_t), 1, info);
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fread(&in_diff2, sizeof(int32_t), 1, info);
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fclose(info);
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uint8_t reverb_heap[ADSP_RVP_HEAP_SZ(FS, PD_SAMPS)] = {0};
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reverb_plate_t rv;
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rv.pre_gain = pregain;
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rv.wet_gain1 = wet1;
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rv.wet_gain2 = wet2;
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rv.dry_gain = dry;
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rv.decay = decay;
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rv.lowpasses[0] = lowpass_1ord_init(bw);
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rv.lowpasses[1] = lowpass_1ord_init(damp);
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rv.lowpasses[2] = lowpass_1ord_init(damp);
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adsp_reverb_plate_init_filters(&rv, fs, dc_diff1, dc_diff2, in_diff1, in_diff2, PD_SAMPS, PD_SAMPS, reverb_heap);
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for (int i = 0; i < in_len; i++)
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{
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int32_t samp_l = 0, samp_r = 0, samp_out[2] = {0};
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fread(&samp_l, sizeof(int32_t), 1, in);
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fread(&samp_r, sizeof(int32_t), 1, in);
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adsp_reverb_plate(&rv, samp_out, samp_l, samp_r);
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fwrite(samp_out, sizeof(int32_t), 2, out);
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}
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fclose(in);
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fclose(out);
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return 0;
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}
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