changed type to typedefs

headeredit.cpp

@@ -3,12 +3,14 @@
 #include <complex>
 #include <cstring>
 #include <cstdlib>
+#include <stdint.h>
+//signed short decode(unsigned char t);
+ int16_t decode(uint8_t t);
 
-signed short decode(unsigned char t);
 main()
 {
   std::vector<unsigned char> data;
-  FILE* f = fopen("outputfileulaw.raw", "rb");
+  FILE* f = fopen("outputfileulaw.wav", "rb");
   rewind(f);
   while(!feof(f))
   {
@@ -16,7 +18,7 @@ main()
     fread(&s, sizeof s, 1, f);
     data.push_back(s);
   }
-  FILE* o = fopen("outputfileulaw.dec", "wb");
+  FILE* o = fopen("outputfileulaw.raw", "wb");
   int headersize = 4;
   int old_header_size = 58;
   unsigned int samples = data.size() - old_header_size;
@@ -39,8 +41,16 @@ main()
   fwrite(&new_data[0], sizeof(unsigned char), samples_old+headersize, o);
   
 }
-
+ int16_t decode(uint8_t t)
-signed short decode(unsigned char t)
+{
+  int16_t exp = 0x8 - (0x7 & (t >> 4));
+  uint16_t base = (0x1 << (exp+ 5)) - 34;
+  int16_t step = 0x1 << exp;
+  int16_t ret = base - step  * (0xf & t);
+  ret = -ret - 1 +  (2 * ret + 1) * (t >> 7);
+  return ret;
+}
+/*signed short decode(unsigned char t)
 {
   int exp = 0x8 - (0x7 & (t >> 4));
   int base = (0x1 << (exp+ 5)) - 34;
@@ -48,4 +58,4 @@ signed short decode(unsigned char t)
   signed short ret = base - step  * (0xf & t);
   ret = -ret - 1 +  (2 * ret + 1) * (t >> 7);
   return ret;
-}
+}*/

ulaw_decode.h

@@ -1,9 +1,9 @@
- signed short decode(unsigned char t)
+ int16_t decode(uint8_t t)
 {
-  int exp = 0x8 - (0x7 & (t >> 4));
+  int16_t exp = 0x8 - (0x7 & (t >> 4));
-  int base = (0x1 << (exp+ 5)) - 34;
+  uint16_t base = (0x1 << (exp+ 5)) - 34;
-  int step = 0x1 << exp;
+  int16_t step = 0x1 << exp;
-  signed short ret = base - step  * (0xf & t);
+  int16_t ret = base - step  * (0xf & t);
   ret = -ret - 1 +  (2 * ret + 1) * (t >> 7);
   return ret;
 }