--- a/gst_plugins_base/gst-libs/gst/floatcast/floatcast.h	Tue Aug 31 15:30:33 2010 +0300
+++ b/gst_plugins_base/gst-libs/gst/floatcast/floatcast.h	Wed Sep 01 12:16:41 2010 +0100
@@ -40,7 +40,8 @@
 #define __FLOATCAST_H__
 
 #include <string.h>
-#include <glib.h>
+#include <glib/gtypes.h>
+#include <glib/gutils.h>  /* to make sure inline is defined properly */
 
 #if defined (_MSC_VER) && !defined (inline)
 #define inline __inline
@@ -96,6 +97,128 @@
 
 #endif
 
+/* FIXME 0.11: don't use GLib namespace (GDOUBLE_SWAP_LE_BE, GFLOAT_TO_LE,
+ * GFLOAT_TO_BE, GDOUBLE_TO_LE, GDOUBLE_TO_BE) */
+
+/**
+ * GFLOAT_SWAP_LE_BE:
+ * @in: input value
+ *
+ * Swap byte order of a 32-bit floating point value (float).
+ */
+inline static gfloat
+GFLOAT_SWAP_LE_BE(gfloat in)
+{
+  union
+  {
+    guint32 i;
+    gfloat f;
+  } u;
+
+  u.f = in;
+  u.i = GUINT32_SWAP_LE_BE (u.i);
+  return u.f;
+}
+
+/**
+ * GDOUBLE_SWAP_LE_BE:
+ * @in: input value
+ *
+ * Swap byte order of a 64-bit floating point value (double).
+ */
+inline static gdouble
+GDOUBLE_SWAP_LE_BE(gdouble in)
+{
+  union
+  {
+    guint64 i;
+    gdouble d;
+  } u;
+
+  u.d = in;
+  u.i = GUINT64_SWAP_LE_BE (u.i);
+  return u.d;
+}
+
+/**
+ * GDOUBLE_TO_LE:
+ * @val: value
+ *
+ * Convert 64-bit floating point value (double) from native byte order into
+ * little endian byte order.
+ */
+/**
+ * GDOUBLE_TO_BE:
+ * @val: value
+ *
+ * Convert 64-bit floating point value (double) from native byte order into
+ * big endian byte order.
+ */
+/**
+ * GDOUBLE_FROM_LE:
+ * @val: value
+ *
+ * Convert 64-bit floating point value (double) from little endian byte order
+ * into native byte order.
+ */
+/**
+ * GDOUBLE_FROM_BE:
+ * @val: value
+ *
+ * Convert 64-bit floating point value (double) from big endian byte order
+ * into native byte order.
+ */
+
+/**
+ * GFLOAT_TO_LE:
+ * @val: value
+ *
+ * Convert 32-bit floating point value (float) from native byte order into
+ * little endian byte order.
+ */
+/**
+ * GFLOAT_TO_BE:
+ * @val: value
+ *
+ * Convert 32-bit floating point value (float) from native byte order into
+ * big endian byte order.
+ */
+/**
+ * GFLOAT_FROM_LE:
+ * @val: value
+ *
+ * Convert 32-bit floating point value (float) from little endian byte order
+ * into native byte order.
+ */
+/**
+ * GFLOAT_FROM_BE:
+ * @val: value
+ *
+ * Convert 32-bit floating point value (float) from big endian byte order
+ * into native byte order.
+ */
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define GFLOAT_TO_LE(val)    ((gfloat) (val))
+#define GFLOAT_TO_BE(val)    (GFLOAT_SWAP_LE_BE (val))
+#define GDOUBLE_TO_LE(val)   ((gdouble) (val))
+#define GDOUBLE_TO_BE(val)   (GDOUBLE_SWAP_LE_BE (val))
+
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+#define GFLOAT_TO_LE(val)    (GFLOAT_SWAP_LE_BE (val))
+#define GFLOAT_TO_BE(val)    ((gfloat) (val))
+#define GDOUBLE_TO_LE(val)   (GDOUBLE_SWAP_LE_BE (val))
+#define GDOUBLE_TO_BE(val)   ((gdouble) (val))
+
+#else /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
+#error unknown ENDIAN type
+#endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
+
+#define GFLOAT_FROM_LE(val)  (GFLOAT_TO_LE (val))
+#define GFLOAT_FROM_BE(val)  (GFLOAT_TO_BE (val))
+#define GDOUBLE_FROM_LE(val) (GDOUBLE_TO_LE (val))
+#define GDOUBLE_FROM_BE(val) (GDOUBLE_TO_BE (val))
+
 G_END_DECLS
 
 #endif /* __FLOATCAST_H__ */