init

lib_audio_dsp/test/utils/src/calc_alpha.c

@@ -0,0 +1,44 @@
+// Copyright 2024-2025 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "control/helpers.h"
+
+FILE * _fopen(char * fname, char* mode) {
+  FILE * fp = fopen(fname, mode);
+  if (fp == NULL)
+  {
+    printf("Error opening a file\n");
+    exit(1);
+  }
+  return fp;
+}
+
+int main()
+{
+  FILE * in = _fopen("test_vector.bin", "rb");
+  FILE * out = _fopen("out_vector.bin", "wb");
+
+  fseek(in, 0, SEEK_END);
+  int in_len = ftell(in) / sizeof(float);
+  printf("inlen %d", in_len);
+  fseek(in, 0, SEEK_SET);
+
+  for (unsigned i = 0; i < in_len; i++)
+  {
+    float samp = 0;
+    int32_t samp_out = 0;
+    fread(&samp, sizeof(float), 1, in);
+    //printf("%ld ", samp);
+    samp_out = calc_alpha(48000.0, samp);
+    //printf("%ld ", samp_out);
+    fwrite(&samp_out, sizeof(int32_t), 1, out);
+  }
+
+  fclose(in);
+  fclose(out);
+
+  return 0;
+}

lib_audio_dsp/test/utils/src/compressor_ratio.c

@@ -0,0 +1,42 @@
+// Copyright 2024-2025 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "control/helpers.h"
+
+FILE * _fopen(char * fname, char* mode) {
+  FILE * fp = fopen(fname, mode);
+  if (fp == NULL)
+  {
+    printf("Error opening a file\n");
+    exit(1);
+  }
+  return fp;
+}
+
+int main()
+{
+  FILE * in = _fopen("test_vector.bin", "rb");
+  FILE * out = _fopen("out_vector.bin", "wb");
+
+  fseek(in, 0, SEEK_END);
+  int in_len = ftell(in) / sizeof(float);
+  fseek(in, 0, SEEK_SET);
+
+  for (unsigned i = 0; i < in_len; i++)
+  {
+    float samp = 0, samp_out = 0;
+    fread(&samp, sizeof(float), 1, in);
+    //printf("%ld ", samp);
+    samp_out = rms_compressor_slope_from_ratio(samp);
+    //printf("%ld ", samp_out);
+    fwrite(&samp_out, sizeof(float), 1, out);
+  }
+
+  fclose(in);
+  fclose(out);
+
+  return 0;
+}

lib_audio_dsp/test/utils/src/db_gain.c

@@ -0,0 +1,43 @@
+// Copyright 2024-2025 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "control/signal_chain.h"
+
+FILE * _fopen(char * fname, char* mode) {
+  FILE * fp = fopen(fname, mode);
+  if (fp == NULL)
+  {
+    printf("Error opening a file\n");
+    exit(1);
+  }
+  return fp;
+}
+
+int main()
+{
+  FILE * in = _fopen("test_vector.bin", "rb");
+  FILE * out = _fopen("out_vector.bin", "wb");
+
+  fseek(in, 0, SEEK_END);
+  int in_len = ftell(in) / sizeof(float);
+  fseek(in, 0, SEEK_SET);
+
+  for (unsigned i = 0; i < in_len; i++)
+  {
+    float samp = 0;
+    int32_t samp_out = 0;
+    fread(&samp, sizeof(float), 1, in);
+    //printf("%ld ", samp);
+    samp_out = adsp_dB_to_gain(samp);
+    //printf("%ld ", samp_out);
+    fwrite(&samp_out, sizeof(int32_t), 1, out);
+  }
+
+  fclose(in);
+  fclose(out);
+
+  return 0;
+}

lib_audio_dsp/test/utils/src/expander_ratio.c

@@ -0,0 +1,42 @@
+// Copyright 2024-2025 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "control/helpers.h"
+
+FILE * _fopen(char * fname, char* mode) {
+  FILE * fp = fopen(fname, mode);
+  if (fp == NULL)
+  {
+    printf("Error opening a file\n");
+    exit(1);
+  }
+  return fp;
+}
+
+int main()
+{
+  FILE * in = _fopen("test_vector.bin", "rb");
+  FILE * out = _fopen("out_vector.bin", "wb");
+
+  fseek(in, 0, SEEK_END);
+  int in_len = ftell(in) / sizeof(float);
+  fseek(in, 0, SEEK_SET);
+
+  for (unsigned i = 0; i < in_len; i++)
+  {
+    float samp = 0, samp_out = 0;
+    fread(&samp, sizeof(float), 1, in);
+    //printf("%ld ", samp);
+    samp_out = peak_expander_slope_from_ratio(samp);
+    //printf("%ld ", samp_out);
+    fwrite(&samp_out, sizeof(float), 1, out);
+  }
+
+  fclose(in);
+  fclose(out);
+
+  return 0;
+}

lib_audio_dsp/test/utils/src/peak_threshold.c

@@ -0,0 +1,43 @@
+// Copyright 2024-2025 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "control/helpers.h"
+
+FILE * _fopen(char * fname, char* mode) {
+  FILE * fp = fopen(fname, mode);
+  if (fp == NULL)
+  {
+    printf("Error opening a file\n");
+    exit(1);
+  }
+  return fp;
+}
+
+int main()
+{
+  FILE * in = _fopen("test_vector.bin", "rb");
+  FILE * out = _fopen("out_vector.bin", "wb");
+
+  fseek(in, 0, SEEK_END);
+  int in_len = ftell(in) / sizeof(float);
+  fseek(in, 0, SEEK_SET);
+
+  for (unsigned i = 0; i < in_len; i++)
+  {
+    float samp = 0;
+    int32_t samp_out = 0;
+    fread(&samp, sizeof(float), 1, in);
+    //printf("%ld ", samp);
+    samp_out = calculate_peak_threshold(samp);
+    //printf("%ld ", samp_out);
+    fwrite(&samp_out, sizeof(int32_t), 1, out);
+  }
+
+  fclose(in);
+  fclose(out);
+
+  return 0;
+}

lib_audio_dsp/test/utils/src/rms_threshold.c

@@ -0,0 +1,43 @@
+// Copyright 2024-2025 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "control/helpers.h"
+
+FILE * _fopen(char * fname, char* mode) {
+  FILE * fp = fopen(fname, mode);
+  if (fp == NULL)
+  {
+    printf("Error opening a file\n");
+    exit(1);
+  }
+  return fp;
+}
+
+int main()
+{
+  FILE * in = _fopen("test_vector.bin", "rb");
+  FILE * out = _fopen("out_vector.bin", "wb");
+
+  fseek(in, 0, SEEK_END);
+  int in_len = ftell(in) / sizeof(float);
+  fseek(in, 0, SEEK_SET);
+
+  for (unsigned i = 0; i < in_len; i++)
+  {
+    float samp = 0;
+    int32_t samp_out = 0;
+    fread(&samp, sizeof(float), 1, in);
+    //printf("%ld ", samp);
+    samp_out = calculate_rms_threshold(samp);
+    //printf("%ld ", samp_out);
+    fwrite(&samp_out, sizeof(int32_t), 1, out);
+  }
+
+  fclose(in);
+  fclose(out);
+
+  return 0;
+}

lib_audio_dsp/test/utils/src/time_samples.c

@@ -0,0 +1,44 @@
+// Copyright 2024-2025 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include "control/signal_chain.h"
+
+FILE * _fopen(char * fname, char* mode) {
+  FILE * fp = fopen(fname, mode);
+  if (fp == NULL)
+  {
+    printf("Error opening a file\n");
+    exit(1);
+  }
+  return fp;
+}
+
+int main()
+{
+  FILE * in = _fopen("test_vector.bin", "rb");
+  FILE * out = _fopen("out_vector.bin", "wb");
+
+  fseek(in, 0, SEEK_END);
+  int in_len = ftell(in) / (2.0f*sizeof(float));
+  printf("inlen %d", in_len);
+  fseek(in, 0, SEEK_SET);
+
+  for (unsigned i = 0; i < in_len; i++)
+  {
+    float samp[2] = {0};
+    int32_t samp_out = 0;
+    fread(&samp, sizeof(float), 2, in);
+    //printf("%ld ", samp);
+    samp_out = time_to_samples(48000.0, samp[0], (time_units_t)samp[1]);
+    //printf("%ld ", samp_out);
+    fwrite(&samp_out, sizeof(int32_t), 1, out);
+  }
+
+  fclose(in);
+  fclose(out);
+
+  return 0;
+}