&fmt=5 = FLV (verry low)
&fmt=6 = FLV (works not always)
&fmt=13 = 3GP (mobile phone)
&fmt=18 = MP4 (normal)
&fmt=22 = MP4 (hd - works not always)
üstteki kodlar linke eklenerek yapılıyor örnek
FLV http://www.hasangul.com/proxytest/pr...&v=R__k-8iCj24
MP4 http://www.hasangul.com/proxytest/pr...&v=R__k-8iCj24
HD MP4 http://www.hasangul.com/proxytest/pr...&v=R__k-8iCj24