70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
// 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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#define FS 48000
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#define MAX_ROOM 1.0
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#define PD_MS 10
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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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float const max_room_size = MAX_ROOM;
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float const room_size = 1.0;
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FILE *in = _fopen("../rv_sig_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);
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fseek(in, 0, SEEK_SET);
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int32_t pregain, wet, dry, feedback, damping;
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fread(&pregain, sizeof(int32_t), 1, info);
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fread(&wet, sizeof(int32_t), 1, info);
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fread(&dry, sizeof(int32_t), 1, info);
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fread(&feedback, sizeof(int32_t), 1, info);
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fread(&damping, sizeof(int32_t), 1, info);
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fclose(info);
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uint8_t reverb_heap[ADSP_RVR_HEAP_SZ(FS, MAX_ROOM, PD_SAMPS)] = {0};
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reverb_room_t rv;
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rv.pre_gain = pregain;
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rv.wet_gain = wet;
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rv.dry_gain = dry;
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adsp_reverb_room_init_filters(&rv, fs, max_room_size, PD_SAMPS, PD_SAMPS, feedback, damping, reverb_heap);
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adsp_reverb_room_set_room_size(&rv, room_size);
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for (int i = 0; i < in_len; i++)
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{
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int32_t samp = 0, samp_out = 0;
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fread(&samp, sizeof(int32_t), 1, in);
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samp_out = adsp_reverb_room(&rv, samp);
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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(out);
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return 0;
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}
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