Add live555 package (#3468)

Add pre-built binaries

packages/live555.rb

+require 'package'
+
+class Live555 < Package
+  description 'This code forms a set of C++ libraries for multimedia streaming, using open standard protocols (RTP/RTCP, RTSP, SIP).'
+  homepage 'http://www.live555.com/liveMedia/'
+  version '2019.08.28'
+  source_url 'http://www.live555.com/liveMedia/public/live.2019.08.28.tar.gz'
+  source_sha256 'a3dcd157865186cf883c3a80b4bb09637e91fff96b234b2c780a7f7dcc7a35dc'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/live555-2019.08.28-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/live555-2019.08.28-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/live555-2019.08.28-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/live555-2019.08.28-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: 'ed43e0eead6cf26e0ab359f7f59611ae124afbaa640ce833ef7c564a8c52e772',
+     armv7l: 'ed43e0eead6cf26e0ab359f7f59611ae124afbaa640ce833ef7c564a8c52e772',
+       i686: 'e44f8ef9c1e9d2eee03eedee82bb1b263134ca55f8b718edcf993b04ec339c59',
+     x86_64: '5a035da029b7efb476e917bb88053e709c29cda4ad06d2b7d1d6f47c40bb45a5',
+  })
+
+  def self.build
+    system './genMakefiles linux'
+    system 'make'
+  end
+
+  def self.install
+    system 'make',
+           "PREFIX=#{CREW_PREFIX}",
+           "LIBDIR=#{CREW_LIB_PREFIX}",
+           "DESTDIR=#{CREW_DEST_DIR}",
+           'INSTALL2=install_shared_libraries',
+           'install'
+  end
+end