Add support for links from players embedded in third party pages.

ok martynas@

net/yt/Makefile

@@ -1,8 +1,8 @@
-# $OpenBSD: Makefile,v 1.18 2008/06/11 05:04:37 landry Exp $
+# $OpenBSD: Makefile,v 1.19 2008/09/11 11:58:09 jsg Exp $
 
 COMMENT=	customizable script to fetch youtube videos
 
-PKGNAME=	yt-8p7
+PKGNAME=	yt-8p8
 CATEGORIES=	net
 DISTFILES=
 

net/yt/files/yt.lua

@@ -1,5 +1,5 @@
 #!/usr/local/bin/lua
--- $OpenBSD: yt.lua,v 1.12 2008/06/02 17:43:10 martynas Exp $
+-- $OpenBSD: yt.lua,v 1.13 2008/09/11 11:58:09 jsg Exp $
 -- Fetch videos from YouTube.com and convert them to MPEG.
 -- Written by Pedro Martelletto in August 2006. Public domain.
 -- Example: lua yt.lua http://www.youtube.com/watch?v=c5uoo1Kl_uA
@@ -18,6 +18,9 @@ convert = "ffmpeg -y -i <flv> -b 1000k -f mp4 -vcodec mpeg4 -acodec libfaac -ab
 -- Set this to the base location where to fetch YouTube videos from.
 base_url = "http://www.youtube.com/get_video"
 
+-- Convert embedded links to the correct form
+url = string.gsub(url, "/v/", "/watch?v=")
+
 -- Fetch the page holding the embedded video.
 print(string.format("Getting %s ...", url))
 body = assert(http.request(url))