void playlist_content_change (ChangeType type, boost::weak_ptr<Content>, int, bool frequent);
void maybe_add_content (boost::weak_ptr<Job>, boost::weak_ptr<Content>, bool disable_audio_analysis);
void audio_analysis_finished ();
void playlist_content_change (ChangeType type, boost::weak_ptr<Content>, int, bool frequent);
void maybe_add_content (boost::weak_ptr<Job>, boost::weak_ptr<Content>, bool disable_audio_analysis);
void audio_analysis_finished ();