Erro ao passar para formato DVD no ManDVD

[mdea]

Beleza pessoal!
Cheguei a gravar um DVD e ficou muito bom, mas agora estou com o seguinte problema;
Crio o projeto, coloco os videos, configuro o menu e começo o processo de conversão, então quando chega no final(100%) recebo o seguinte erro:

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/media/hda2/marcelo/Lost-DVD//gibvideo8.mpg: Error writing file.
Requested audio codec family [mp3] (afm=mp3lib) not available.
Enable it at compilation.
Limiting audio preload to 0.4s.
Increasing audio density to 4.
/media/hda2/marcelo/Lost-DVD//gibvideo9.mpg: Error writing file.
Requested audio codec family [mp3] (afm=mp3lib) not available.
Enable it at compilation.
Limiting audio preload to 0.4s.
Increasing audio density to 4.
/media/hda2/marcelo/Lost-DVD//gibvideo10.mpg: Error writing file.
Requested audio codec family [mp3] (afm=mp3lib) not available.
Enable it at compilation.
Limiting audio preload to 0.4s.
Increasing audio density to 4.
/media/hda2/marcelo/Lost-DVD//gibvideo11.mpg: Error writing file.
Requested audio codec family [mp3] (afm=mp3lib) not available.
Enable it at compilation.
Limiting audio preload to 0.4s.
Increasing audio density to 4.
/media/hda2/marcelo/Lost-DVD//gibvideo12.mpg: Error writing file.
Requested audio codec family [mp3] (afm=mp3lib) not available.
Enable it at compilation.
Limiting audio preload to 0.4s.
Increasing audio density to 4.
/media/hda2/marcelo/Lost-DVD//gibvideo13.mpg: Error writing file.
Requested audio codec family [mp3] (afm=mp3lib) not available.
Enable it at compilation.
Limiting audio preload to 0.4s.
Increasing audio density to 4.

1 duplicate frame(s)!
/media/hda2/marcelo/Lost-DVD//gibvideo14.mpg: Error writing file.
--> Lancement de la génération du menu ------------------------------------------------------------
--> Lancement de DVD Author ------------------------------------------------------------
DVDAuthor::dvdauthor, version 0.6.11.
Build options: gnugetopt magick iconv freetype
Send bugs to <dvdauthor-users@lists.sourceforge.net>

/media/hda2/marcelo/Lost-DVD//dvdauthor.xml:1: parser error : Extra content at the end of the document

^
ERR:  Error in parsing XML



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Achei que tinha colocado mais videos do que deveria(apesar de ficar de olho no disco que aparece na parte inferior do manDVD que não estava cheio);
Depois de ter diminuido a quantidade de videos me apareceu o seguinte erro:não sei se é o mesmo la de cima? 

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--> Lancement de l'encodage des fichiers ------------------------------------------------------------
--> Lancement de la génération du menu ------------------------------------------------------------
--> Lancement de DVD Author ------------------------------------------------------------
DVDAuthor::dvdauthor, version 0.6.11.
Build options: gnugetopt magick iconv freetype
Send bugs to <dvdauthor-users@lists.sourceforge.net>

/media/hda2/marcelo/Lost-DVD/DVD-1//dvdauthor.xml:1:
parser
error :
Extra content at the end of the document

^
ERR:  Error in parsing XML

****************************************************************

alguem reconhece o problemo?