Ogg optimises.

lib/vorbis.h

@@ -1,9 +1,22 @@
 #pragma once
-#include<sys/types.h>
-#include<stdint.h>
-#include<string>
+#include <cmath>
+#include <sys/types.h>
+#include <stdint.h>
+#include <string>
+#include <deque>
 
 namespace vorbis{
+  struct mode{
+    bool blockFlag;
+    unsigned short windowType;
+    unsigned short transformType;
+    char mapping;
+  };
+  
+  inline unsigned int ilog(unsigned int input){
+    return (std::log(input))/(std::log(2))+1;
+  }
+  
   class header{
     public:
       header();
@@ -19,14 +32,16 @@ namespace vorbis{
       char getBlockSize1();
       char getFramingFlag();
       std::string toPrettyString(size_t indent = 0);
+      std::deque<mode> readModeDeque(char audioChannels);
     protected:
       uint32_t getInt32(size_t index);
       uint32_t getInt24(size_t index);
       uint16_t getInt16(size_t index);
     private:
+      std::deque<mode> modes;
       char* data;
       unsigned int datasize;
       bool checkDataSize(unsigned int size);
       bool validate();
-  };
+  };   
 }