Ti rispondo a punti :
1 - Si , è vero, è proprio spettacolare, dovrebbero inserirla anke in questo forum
2 - La lista è direttamente integrata in apt, che tiene la lista di tutti i pacchetti disponibili . Mettiamo il caso che tu voglia un programma che legga gli MP3 , basta che scrivi "apt-cache search mp3 player" e ti viene fuori una lista dei pacchetti disponibili, ad esempio nel mio caso:
libsmpeg0 - SDL MPEG Player Library - shared libraries
mq3 - a mp3/ogg audio player written in Qt.
alsaplayer - PCM player designed for ALSA
alsaplayer-alsa - PCM player designed for ALSA (ALSA output module)
alsaplayer-common - PCM player designed for ALSA (common files)
alsaplayer-daemon - PCM player designed for ALSA (non-interactive version)
alsaplayer-esd - PCM player designed for ALSA (ESD output module)
alsaplayer-gtk - PCM player designed for ALSA (GTK version)
alsaplayer-jack - PCM player designed for ALSA (jack output module)
alsaplayer-nas - PCM player designed for ALSA (NAS output module)
alsaplayer-oss - PCM player designed for ALSA (OSS output module)
alsaplayer-text - PCM player designed for ALSA (text version)
alsaplayer-xosd - PCM player designed for ALSA (osd version)
cplay - A front-end for various audio players
digitaldj - An SQL based mp3 player front-end
flac - Free Lossless Audio Codec - command line tools
gnomp3 - An MP3 player for large MP3 collections
grip - GNOME-based CD-player/ripper/encoder
gstreamer-misc - Collection of various GStreamer plugins
irmp3 - A Multimedia Audio Jukebox application.
juice - playlist editor / player frontend
knapster2 - A KDE clone of the windows Napster client
ksmp3play - Curses-based MP3 player.
libalsaplayer-dev - PCM player designed for ALSA (interface library, development files)
libalsaplayer0 - PCM player designed for ALSA (interface library)
libflac++-dev - Free Lossless Audio Codec - C++ development library
libflac++2c102 - Free Lossless Audio Codec - C++ runtime library
libflac-dev - Free Lossless Audio Codec - C development library
libflac4 - Free Lossless Audio Codec - runtime C library
libmp3hip-dev - HIP Isn't a Player development library
liboggflac++-dev - Free Lossless Audio Codec - C++ development library (ogg)
liboggflac++0c102 - Free Lossless Audio Codec - C++ runtime library (ogg)
liboggflac-dev - Free Lossless Audio Codec - C development library (ogg)
liboggflac1 - Free Lossless Audio Codec - runtime C library (ogg)
libsmpeg-dev - SDL MPEG Player Library - development files
libxine-dev - the xine video player library, development packages
libxine1 - the xine video/media player library, binary files
madplay - MPEG audio player in fixed point
mcplay - A C-clone of the program 'cplay', frontend of many audio players
moosic - Daemon/client combo to easily queue music files for playing
mp3blaster - Full-screen console mp3 and ogg vorbis player
mp3kult - Organizes your MP3 collection in a MySQL database
mpeglib - mp3 and mpeg I video/audio library for linux
mpg123-el - a front-end program to mpg123 audio player on Emacsen
mpg321 - A Free command-line mp3 player, compatible with mpg123
mserv - local centralised multiuser music server
music123 - A command-line shell for sound-file players
netjuke - Web-Based Audio Streaming Jukebox
op-mediaplayer-fb - The Opie media player
playmp3list - Another front-end to mpg123 with theme support
python-id3 - Python module for id3-tags manipulation
python-osd - Python bindings for X On-Screen Display library
python2.1-osd - Python bindings for X On-Screen Display library
python2.2-osd - Python bindings for X On-Screen Display library
python2.3-osd - Python bindings for X On-Screen Display library
rhythmbox - music player and organizer for GNOME
rio - A command line Diamond Rio MP3 player controller
rioutil - Talk to USB based Diamond MM products
smpeg-gtv - SMPEG GTK+ MPEG audio/video player
smpeg-plaympeg - SMPEG command line MPEG audio/video player
vlc - a complete multimedia player
vux - A rating-based, random ogg and mp3 player
xmms-crossfade - XMMS Plugin for Crossfading / Continuous Output
xmms-flac - Free Lossless Audio Codec - XMMS input plugin
xmms-kjofol - XMMS remote that uses K-Jofol's skins
xmms-ladspa - power XMMS with the Linux Audio Developer's Simple Plugin API
mpg123 - MPEG layer 1/2/3 audio player
mpg123-esd - MPEG layer 1/2/3 audio player with Esound support
mpg123-nas - MPEG layer 1/2/3 audio player with NAS support
mpg123-oss-3dnow - MPEG layer 1/2/3 audio player for 3DNow! machines
mpg123-oss-i486 - MPEG layer 1/2/3 audio player for i486 machines
liblame0-dev - Development files for lame
lame - An open source MP3 encoder
liblame0 - Shared library for mp3 encoding
xmms-midi - Midi file Input plugin for XMMS
e scegli quello che + ti piace, in particolare XMMS è il miglior lettore per X , e mpg123 è il lettore MP3 della console (linea di comando)
3 - fa tutto lui in automatico , e ti risolve pure le dipendenze delle librerie necessarie
4 - Allora sei a posto
5 - Non proprio ricordati che c'è ankora il tempo di decodifica del formato , ad esempio se è compresso in Xvid deve decomprimere il filmato , e poi lo spara a schermo
Ciao