Changed header to 4 byte containing number of samples

headeredit.cpp

@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <vector>
+#include <complex>
+#include <cstring>
+#include <cstdlib>
+
+
+main()
+{
+  std::vector<unsigned char> data;
+  FILE* f = fopen("outputfileulaw.wav", "rb");
+  rewind(f);
+  while(!feof(f))
+  {
+    unsigned char s;
+    fread(&s, sizeof s, 1, f);
+    data.push_back(s);
+  }
+  FILE* o = fopen("outputfileulaw.raw", "wb");
+  int headersize = 4;
+  int old_header_size = 58;
+  unsigned int samples = data.size() - old_header_size;
+  unsigned char* new_data = (unsigned char*)malloc(sizeof(char) * (samples + headersize));
+  //little endian:
+  new_data[0] = (unsigned char) samples;
+  samples >>= 8;
+  new_data[1] = (unsigned char) samples;
+  samples >>= 8;
+  new_data[2] = (unsigned char) samples;
+  samples >>= 8;
+  new_data[3] = (unsigned char) samples;
+  memcpy(&new_data[4], &data[58], samples);
+  fwrite(&new_data[0], sizeof(unsigned char), samples+headersize, o);
+}