1 files changed, 57 insertions, 0 deletions
diff --git a/src/livestreamer/packages/flashmedia/util.py b/src/livestreamer/packages/flashmedia/util.py
new file mode 100644
index 0000000..237cf74
--- /dev/null
+++ b/src/livestreamer/packages/flashmedia/util.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+
+from .compat import bytes, is_py2
+
+def isstring(val):
+    if is_py2:
+        return isinstance(val, str) or isinstance(val, unicode)
+    else:
+        return isinstance(val, str)
+
+def byte(ordinal):
+    if isstring(ordinal):
+        ordinal = ord(ordinal)
+
+    return bytes((ordinal,))
+
+class flagproperty(object):
+    def __init__(self, flags, attr, boolean=False):
+        self.flags = flags
+        self.attr = attr
+        self.boolean = boolean
+
+    def __get__(self, obj, cls):
+        flags = getattr(obj, self.flags)
+        val = getattr(flags.bit, self.attr)
+
+        if self.boolean:
+            val = bool(val)
+
+        return val
+
+    def __set__(self, obj, val):
+        flags = getattr(obj, self.flags)
+        setattr(flags.bit, self.attr, int(val))
+
+def lang_to_iso639(lang):
+    res = [0, 0, 0]
+
+    for i in reversed(range(3)):
+        res[i] = chr(0x60 + (lang & 0x1f))
+        lang = lang >> 5
+
+    return "".join(res)
+
+
+def iso639_to_lang(iso639):
+    res = 0
+
+    for i in range(3):
+        c = ord(iso639[i]) - 0x60
+        res = res << 5
+        res = res | c
+
+    return res
+
+__all__ = ["byte", "isstring", "flagproperty", "lang_to_iso639", "iso639_to_lang"]
+