From 8d79a889af9d88d94f1614a0efa65367e503e04f Mon Sep 17 00:00:00 2001
From: Hannes <hannes@BRUTUS.HOME>
Date: Fri, 13 Jan 2012 03:40:27 +0100
Subject: [PATCH] Changed header to 4 byte containing number of samples

---
 headeredit.cpp                            |  34 ++++++++++++++++++++++
 outputfileulaw.raw                        | Bin 0 -> 4 bytes
 outputfileµlaw.wav => outputfileulaw.wav | Bin
 3 files changed, 34 insertions(+)
 create mode 100644 headeredit.cpp
 create mode 100644 outputfileulaw.raw
 rename outputfileµlaw.wav => outputfileulaw.wav (100%)

diff --git a/headeredit.cpp b/headeredit.cpp
new file mode 100644
index 0000000..9ca0607
--- /dev/null
+++ b/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);
+}
\ No newline at end of file
diff --git a/outputfileulaw.raw b/outputfileulaw.raw
new file mode 100644
index 0000000000000000000000000000000000000000..08f375057f797ff448dd4893daba15bbd30774a6
GIT binary patch
literal 4
LcmXSz#J~Um19|}i

literal 0
HcmV?d00001

diff --git a/outputfileµlaw.wav b/outputfileulaw.wav
similarity index 100%
rename from outputfileµlaw.wav
rename to outputfileulaw.wav