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TheJoe.it Into the (open) source

28Feb/100

A new: “MPD”

Caution!

This article was written in the 2010, there may have been some developments in the subject matter.
If in doubt please leave a comment in the bottom of the article.
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Wiki.pngMPD in computer science is an acronym for "Music Player Daemon”, a first for the world of computing.

So far we have been accustomed to think of the player as audio programs monolithic, potentially also very heavy, which take charge of all operations related to audio files. To cite a few examples "Windows Media Player”, “iTunes”, “Amarok”, “Exaile”. All these programs create a playlist by listing the contents of one or more folders inside the pc, and possibly by organizing them according to the data stored within (as is the case with the EXIF ​​data of the photo), I play and eventually equalize (plus some optional feature such as the management of the covers, i test, purchase tickets, etc..).

On the contrary, MPD is a demon. Natively developed for GNU/Linux, but also available for Mac OS X, does not have a graphical front end, creates an environment ma "hospitable"For the GUI and command line programs that rely on it. Here are some characteristic of MPD:

  • plays all file types supported by FFmpeg, to name a few: “.ogg”, “.flac”, “.wav”, “.mp2”, “.mp3”, “.mp4”, “.against”, Musepack
  • allows the remote control tramite the online (supports both IPv4 and IPv6)
  • reproduces the stream HTTP type FLAC, OggFLAC, MP3 and Ogg Vorbis.
  • reads and caches meta information, i Vorbis commenti e i when mp4
  • you can make the search metadata
  • supports buffering per il playback (prevents the latencies associated with the use of the network)
  • supports crossfade fra le traccie
  • salvo, loads and manages the playlist in formato m3u
  • controls the dei volume mixer U.S., ALSA, PulseAudio
  • supports Zeroconf natively
  • natively supports PulseAudio, ALSA, U.S., MVP, Jack and Mac OS X
  • can be used as source stream Icecast, in Ogg Vorbis the mp3. The other formats are not supported, but may be encoded in Ogg or mp3 "on the fly"Before starting the stream
  • does not depend on no GUI. The music continues to play both the X server is open or not

250px-Gmpc_ss.png Tested on GNU/Linux, FreeBSD, OpenBSD, NetBSD, Solaris, Mac OSX and HP-UX. The developers are currently working for the porting su Windows.

Among the GUI to use with the program point out Gnome Music Player Client, that contrary to expectations (saw the name) does not rely on the Gnome libraries. This player is developed by the developers of MPD.

For some tests the workload of the CPU was much lighter if it is running MPD compared to a traditional program.

About

I keep this blog as a hobby by 2009. I am passionate about graphic, technology, software Open Source. Among my articles will be easy to find music, and some personal thoughts, but I prefer the direct line of the blog mainly to technology. For more information contact me.

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