[svn r799] -fixed volume compability with playbin; -Enable compile without gmyth dep;
1 Alexsandro Jose Virginio dos Santos <alexsandro.santos@indt.org.br>
2 Hallyson Luiz de Morais Melo <hallyson.melo@indt.org.br>
3 Leonardo Sobral Cunha <leonardo.cunha@indt.org.br>
4 Rosfran Lins Borges <rosfran.borges@indt.org.br>