Re: Can you provide me some information on music players using ogg.

Hi Conrad ,

  Let me check ,  I am not too sure if ALSA/OSS is configured as I
downloaded the Linux source and compiled  it myself for the Versatile
baseboard , I will try to do as you advised . So I assume for Ogg123 to work
, the og and vorbis libraries should be present ?

Regards
Diptopal Basu

On Tue, Apr 7, 2009 at 10:28 PM, Conrad Parker <[email protected]> wrote:

> 2009/4/8 Diptopal Basu <[email protected]>:
> > Hi Conrad ,
> >
> >     Please pardon my ignorance ,  I am not so much aware of audio players
> as
> > such this is my first exposure to audio codecs . This is what I am
> looking
> > at , some audio player application that will expose some APIs ( I need to
> > use this to showcase an API testing tool and I thought it can be best
> > demonstrated using audio codecs ) which I can call to control the player
> ,
> > thats what you mean by control pipes I think ( if it is an IPC scenario
> ).
> > The player should be able to handle interfacing also , if you mean audio
> > file access .
> >
> >    So some .ogg files stored at some location should be possible to be
> > played and controlled by the APIs supplied by the .ogg player . I will
> use a
> > an automation tool on this software to call the APIs . The player
> > application should reside as a shared library for me to call the APIs ,
> > right now I am not planning to handle IPC scenarios . So want to use the
> > same user space to run mu automation tool and the music player as a
> shared
> > library.
> >
> >
> >    My board ( now a simulator ) is an ARM integrator 926 EJS board which
> > runs on Linux 2.6.26.5 . The board has a LM4549 Audio Codec IC connected
> > through a PrimeCell AACI.  The LM4549 audio codec used on ARM’s
> development
> > boards has 18-bit ADCs and DACs. So in short without the ogg codec the
> board
> > can just record and play .wav files . Since I have a Linux port existing
> on
> > the board I hope that the .ogg player which I use should be able to use
> > standard calls to output audio through the codec .
> >
>
> right, so assuming you have a normal Linux kernel set up with ALSA or
> OSS, then ogg123 should run (playing via libao).
>
> You control it from your program by simply exec()ing it and connecting
> pipes to its stdin/stdout. A copy of the command set is here:
> https://trac.xiph.org/attachment/ticket/1109/remote.txt
>
> cheers,
>
> Conrad.
>

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