.

lib/ext/polycom/vbyte_poly.h

@@ -0,0 +1,46 @@
+// 
+#define VBYTE_ENC(_v, _n)	\
+{\
+	unsigned _num;				\
+	unsigned char _barray[5];	\
+	unsigned _i, _started = 0;	\
+ 	_num = _n;					\
+	for (_i = 0; _i < 5; _i++)	\
+	{							\
+		_barray[_i] = ((_num%128)<<1);	\
+		_num = _num/128;		\
+	}							\
+	for (_i = 4; _i > 0; _i--)	\
+	{							\
+		if ((_barray[_i] != 0) || (_started == 1))	\
+		{						\
+			_started = 1;		\
+			*_v = _barray[_i]|0x1;	\
+			_v++;				\
+		}						\
+	}							\
+	*_v = _barray[0]|0x0;		\
+	_v++;						\
+}
+
+#define VBYTE_DEC(_v, _n)	\
+{\
+	_n = ((*_v>>1));						\
+	if ((*_v&0x1) != 0)		\
+        {							\
+          _v++;				\
+	  _n = (_n<<7) + ((*_v>>1));	\
+	  if ((*_v&0x1)!= 0)		\
+          {						\
+            _v++;				\
+	    _n = (_n<<7) + ((*_v>>1));	\
+	    if ((*_v&0x1) != 0)		\
+            {						\
+              _v++;				\
+	      _n = (_n<<7) + ((*_v>>1));	\
+	    }\
+	  }\
+	}\
+        _v++;				\
+}
+