62 lines
1.5 KiB
C
62 lines
1.5 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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FILE * _fopen(char * fname, char* mode) {
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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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int32_t gains[4] = {0};
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int32_t slew = 0;
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FILE * in = _fopen("../sig_48k.bin", "rb");
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FILE * in1 = _fopen("../sig1_48k.bin", "rb");
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FILE * out = _fopen("sig_out.bin", "wb");
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FILE * gain = _fopen("gain.bin", "rb");
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fseek(in, 0, SEEK_END);
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int in_len = ftell(in) / sizeof(int32_t);
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fseek(in, 0, SEEK_SET);
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fread(&slew, sizeof(int32_t), 1, gain);
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fread(gains, sizeof(int32_t), 4, gain);
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fclose(gain);
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printf("gains: %ld %ld\n", gains[0], gains[1]);
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crossfader_slew_t cfs = {.gain_1.gain=gains[0], .gain_1.target_gain=gains[2], .gain_1.slew_shift=slew,
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.gain_2.gain=gains[1], .gain_2.target_gain=gains[3], .gain_2.slew_shift=slew,
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.mix=0};
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for (unsigned i = 0; i < in_len; i++)
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{
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int32_t samp = 0, samp1 = 0, samp_out = 0;
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fread(&samp, sizeof(int32_t), 1, in);
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fread(&samp1, sizeof(int32_t), 1, in1);
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//printf("%ld ", samp);
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samp_out = adsp_crossfader_slew(&cfs, samp, samp1);
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//printf("%ld ", samp_out);
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fwrite(&samp_out, sizeof(int32_t), 1, out);
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}
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fclose(in);
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fclose(in1);
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fclose(out);
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return 0;
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}
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