Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-14 Thread Thomas Köckerbauer
I was also searching for an audioplayer meeting my requirements (which are 
quite basic), but none of those I found really fullfilled them. So I started 
to make a new one, which is not really finished yet (I wanted to make it a 
bit more complete before I announce it, but I thought it might fit to the 
discussion). I did not invest a lot of time because I did not find a working 
headset to 3,5mm plug adapter yet (now I'm planing to build one myself), but 
since I read now that the audio quality should be that good I have to admit 
that I got a bit dismotivated.

If somebody is interested it looks like this:

http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer1.png
http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer2.png
http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer3.png
http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer4.png

The source can be found here (be warned its a bit of a hack right now):
http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer.tar.gz

You have to place the binary and the edj file into the same directory (the edj 
file has to be in the working directory) and start it with:
audioplayer music-root-dir

It uses libmad and requires about 15% cpu for decoding an average mp3 file. 
I'm thinking about to remove libmad and making a gui plugin for mplayer from 
it, which would support more file formats (but from what I've seen in the 
mplayer source this would be quite some work).

Comments and contributions are welcome :)


Am Tuesday 14 October 2008 20:42:32 schrieb Clemens Kirchgatterer:
 Xavier Cremaschi [EMAIL PROTECTED] wrote:
  I just want a single view named Folders (which would be a file
  explorer) instead of the existing Albums, Artists, Genre.
 
  I totally understand that a tag-based player could be interesting for
  some people, but I *know* where my files are in my collection.

 FULL ACK!

 i allways find it strange if i can't make a playlist by simply
 selecting a directory from the filebrowser view.

 clemens

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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-14 Thread Dylan Reilly
FWIW, the qtopia media player in the testing branch is vastly better
than it was. Volume control even works now without causing distortion!

From my observations, the audio quality issue has been due to CPU load
and not the player itself. Even in fairly recent builds, the poor
freerunner was pushing very high loads and causing the media player to
mess up it's decoding. Try ensuring that only the media player is
taking CPU time when playing music.

I am neurotic about good sounding audio, and I love the FR, even with
headphones. I was just now comparing it to an iPhone and prefer it.
You do need to tweak the mixer settings, however. Some of them are
offensive to the ears.

On Tue, Oct 14, 2008 at 3:53 PM, Thomas Köckerbauer [EMAIL PROTECTED] wrote:
 I was also searching for an audioplayer meeting my requirements (which are
 quite basic), but none of those I found really fullfilled them. So I started
 to make a new one, which is not really finished yet (I wanted to make it a
 bit more complete before I announce it, but I thought it might fit to the
 discussion). I did not invest a lot of time because I did not find a working
 headset to 3,5mm plug adapter yet (now I'm planing to build one myself), but
 since I read now that the audio quality should be that good I have to admit
 that I got a bit dismotivated.

 If somebody is interested it looks like this:

 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer1.png
 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer2.png
 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer3.png
 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer4.png

 The source can be found here (be warned its a bit of a hack right now):
 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer.tar.gz

 You have to place the binary and the edj file into the same directory (the edj
 file has to be in the working directory) and start it with:
 audioplayer music-root-dir

 It uses libmad and requires about 15% cpu for decoding an average mp3 file.
 I'm thinking about to remove libmad and making a gui plugin for mplayer from
 it, which would support more file formats (but from what I've seen in the
 mplayer source this would be quite some work).

 Comments and contributions are welcome :)


 Am Tuesday 14 October 2008 20:42:32 schrieb Clemens Kirchgatterer:
 Xavier Cremaschi [EMAIL PROTECTED] wrote:
  I just want a single view named Folders (which would be a file
  explorer) instead of the existing Albums, Artists, Genre.
 
  I totally understand that a tag-based player could be interesting for
  some people, but I *know* where my files are in my collection.

 FULL ACK!

 i allways find it strange if i can't make a playlist by simply
 selecting a directory from the filebrowser view.

 clemens

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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-14 Thread Max Giesbert
hi just tried to build your app. how did you get epeg into your
toolchain? can't find it in the repos...

i get the following when running: $om-conf audioplayer

checking for E... configure: error: Package requirements (
  evas
  ecore
  ecore-evas
  edje
  eet
  epeg
) were not met:

No package 'epeg' found


thx

p.s. the screenshots look promising!

Thomas Köckerbauer schrieb:
 I was also searching for an audioplayer meeting my requirements (which are 
 quite basic), but none of those I found really fullfilled them. So I started 
 to make a new one, which is not really finished yet (I wanted to make it a 
 bit more complete before I announce it, but I thought it might fit to the 
 discussion). I did not invest a lot of time because I did not find a working 
 headset to 3,5mm plug adapter yet (now I'm planing to build one myself), but 
 since I read now that the audio quality should be that good I have to admit 
 that I got a bit dismotivated.
 
 If somebody is interested it looks like this:
 
 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer1.png
 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer2.png
 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer3.png
 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer4.png
 
 The source can be found here (be warned its a bit of a hack right now):
 http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer.tar.gz
 
 You have to place the binary and the edj file into the same directory (the 
 edj 
 file has to be in the working directory) and start it with:
 audioplayer music-root-dir
 
 It uses libmad and requires about 15% cpu for decoding an average mp3 file. 
 I'm thinking about to remove libmad and making a gui plugin for mplayer from 
 it, which would support more file formats (but from what I've seen in the 
 mplayer source this would be quite some work).
 
 Comments and contributions are welcome :)
 
 
 Am Tuesday 14 October 2008 20:42:32 schrieb Clemens Kirchgatterer:
 Xavier Cremaschi [EMAIL PROTECTED] wrote:
 I just want a single view named Folders (which would be a file
 explorer) instead of the existing Albums, Artists, Genre.

 I totally understand that a tag-based player could be interesting for
 some people, but I *know* where my files are in my collection.
 FULL ACK!

 i allways find it strange if i can't make a playlist by simply
 selecting a directory from the filebrowser view.

 clemens
 
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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-14 Thread carmen r
On Tue Oct 14, 2008 at 05:41:55PM -0400, Dylan Reilly wrote:
 FWIW, the qtopia media player in the testing branch is vastly better
 than it was. Volume control even works now without causing distortion!
 
 From my observations, the audio quality issue has been due to CPU load
 and not the player itself. Even in fairly recent builds, the poor
 freerunner was pushing very high loads and causing the media player to
 mess up it's decoding. Try ensuring that only the media player is
 taking CPU time when playing music.

does the system slow to an untenable crawl when playing mp3. i mean can you use 
dillo or webkit at the same time comfortably?

whats the CPU usage of mplayer/alsa (no pulseaudio junk etc)

do you have to killall -9 mplayer when a call comes in so the ring sound plays, 
or can you use dmix (does that chew much CPU?)

i was a bit too skeptical of GTA03 to make the jump (what with Acer buying 
Eten, that new Russian phone on engadget, and the MeizuM8 coming _any_day_now_ 
and android making linux work on loads more hardware...)

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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-14 Thread Sarton O'Brien
On Wednesday 15 October 2008 05:42:32 Clemens Kirchgatterer wrote:
 Xavier Cremaschi [EMAIL PROTECTED] wrote:
  I just want a single view named Folders (which would be a file
  explorer) instead of the existing Albums, Artists, Genre.
 
  I totally understand that a tag-based player could be interesting for
  some people, but I *know* where my files are in my collection.

 FULL ACK!

 i allways find it strange if i can't make a playlist by simply
 selecting a directory from the filebrowser view.

I found the media player in FSO completely usable and included a filebrowser. 
I think volume control was lacking but all in all it ran very nicely, until I 
updated and it didn't run at all.

Out of all, this one showed the most promise to me, albeit a little ugly ... 
but that's a gtk thing ;)

Sarton

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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-14 Thread Thomas Köckerbauer
I'm using debian. Since epeg is still not in the debian repository so I 
compiled it from the source package I got from 
http://debian.alphagemini.org/dists/unstable/main/source/libs/
(First I wanted to use epsilon instead of epeg but the version I had always 
produced a strange error, it always wanted to write the thumbnail 
to /(null).png)

Here are the compiled packages:
http://www.gup.uni-linz.ac.at/~tkoeck/audioplayer/libepeg-bin_0.9.1.042-0cvs20080608_armel.deb
http://www.gup.uni-linz.ac.at/~tkoeck/audioplayer/libepeg-dev_0.9.1.042-0cvs20080608_armel.deb
http://www.gup.uni-linz.ac.at/~tkoeck/audioplayer/libepeg0_0.9.1.042-0cvs20080608_armel.deb


Am Tuesday 14 October 2008 23:46:46 schrieb Max Giesbert:
 hi just tried to build your app. how did you get epeg into your
 toolchain? can't find it in the repos...

 i get the following when running: $om-conf audioplayer

 checking for E... configure: error: Package requirements (
   evas
   ecore
   ecore-evas
   edje
   eet
   epeg
 ) were not met:

 No package 'epeg' found


 thx

 p.s. the screenshots look promising!

 Thomas Köckerbauer schrieb:
  I was also searching for an audioplayer meeting my requirements (which
  are quite basic), but none of those I found really fullfilled them. So I
  started to make a new one, which is not really finished yet (I wanted to
  make it a bit more complete before I announce it, but I thought it might
  fit to the discussion). I did not invest a lot of time because I did not
  find a working headset to 3,5mm plug adapter yet (now I'm planing to
  build one myself), but since I read now that the audio quality should be
  that good I have to admit that I got a bit dismotivated.
 
  If somebody is interested it looks like this:
 
  http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer1.png
  http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer2.png
  http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer3.png
  http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer4.png
 
  The source can be found here (be warned its a bit of a hack right now):
  http://www.gup.jku.at/~tkoeck/audioplayer/audioplayer.tar.gz
 
  You have to place the binary and the edj file into the same directory
  (the edj file has to be in the working directory) and start it with:
  audioplayer music-root-dir
 
  It uses libmad and requires about 15% cpu for decoding an average mp3
  file. I'm thinking about to remove libmad and making a gui plugin for
  mplayer from it, which would support more file formats (but from what
  I've seen in the mplayer source this would be quite some work).
 
  Comments and contributions are welcome :)
 
  Am Tuesday 14 October 2008 20:42:32 schrieb Clemens Kirchgatterer:
  Xavier Cremaschi [EMAIL PROTECTED] wrote:
  I just want a single view named Folders (which would be a file
  explorer) instead of the existing Albums, Artists, Genre.
 
  I totally understand that a tag-based player could be interesting for
  some people, but I *know* where my files are in my collection.
 
  FULL ACK!
 
  i allways find it strange if i can't make a playlist by simply
  selecting a directory from the filebrowser view.
 
  clemens
 
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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-14 Thread Dylan Reilly
The qtopia mediaserver takes ~35% cpu to play my max bitrate
VBR-encoded mp3's. I don't have mplayer installed and not /dev/dsp for
madplay so I cannot test with those.

For average tasks, the UI is still nicely responsive in these latest
testing builds. Anytime the load gets to 2, though, you start to get
audio cutting out. GTA02 is not a brute.

I actually have not tested audio interruption (i.e., incoming call) in
a while, but I have never had a problem with it.

On Tue, Oct 14, 2008 at 5:59 PM, carmen r [EMAIL PROTECTED] wrote:
 On Tue Oct 14, 2008 at 05:41:55PM -0400, Dylan Reilly wrote:
 FWIW, the qtopia media player in the testing branch is vastly better
 than it was. Volume control even works now without causing distortion!

 From my observations, the audio quality issue has been due to CPU load
 and not the player itself. Even in fairly recent builds, the poor
 freerunner was pushing very high loads and causing the media player to
 mess up it's decoding. Try ensuring that only the media player is
 taking CPU time when playing music.

 does the system slow to an untenable crawl when playing mp3. i mean can you 
 use dillo or webkit at the same time comfortably?

 whats the CPU usage of mplayer/alsa (no pulseaudio junk etc)

 do you have to killall -9 mplayer when a call comes in so the ring sound 
 plays, or can you use dmix (does that chew much CPU?)

 i was a bit too skeptical of GTA03 to make the jump (what with Acer buying 
 Eten, that new Russian phone on engadget, and the MeizuM8 coming 
 _any_day_now_ and android making linux work on loads more hardware...)

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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Xavier Cremaschi
Robin Paulson a écrit :
 2008/10/13 Xavier Cremaschi [EMAIL PROTECTED]:
 
 how did you get it to recognise tags?
 
 i imported some songs, all with id3 tags. none of the tags were
 recognised, the songs are all listed by filename, with 'unknown
 artist' and 'unknown album'
 
 any ideas?


In fact the files I used were not tagged, therefore I saw all my songs 
in 'unknown album' / 'unknown artist' and thought this soft relies upon 
tags.
Maybe I would have had the same result with tagged files, who knows ? I 
will do some additional tests this evening to see if tags are recognized.

Xavier.
PS : were your files ogg, or mp3 with ID3v1 tags or ID3v2 tags ?


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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Dan Jensen
On Mon, Oct 13, 2008 at 10:45 AM, Xavier Cremaschi
[EMAIL PROTECTED] wrote:
 Hi folks,
 yesterday I tried to use qtopia-phone-x11-mediaplayer and some ogg/mp3
 files to transform the FR into a digital audio player.

 I have encountered 3 software problems :

snip, cannot comment on the two first
 3. software relies upon tags, which I do not use at all. I have a
 precise filesystem scheme and no need of tag-based players trying to
 sort my music. Is there a way of telling the thing to stop trying to be
 smart ? I need a dumb soft here ;)

  Surely a program which grabs the information from your well-designed
file system schema would work for you here? The trick is, doing it in
this manner (that is, with tags) makes sure you have processing power
left over when browsing the music, as all the tags are cached in a
high-performance database. It also gives you the advantage of being
able to find tracks directly by artist or by album or by... you get
the idea, i'm sure :) While your filesystem is optimal for a single
path through the music, the method used in the qt mediaplayer makes
sure that the information is accessible through a number of different
paths. So... give tags a shot before you discard their usefulness ;)

 qtopia-phone-x11-mediaplayer seems totally usable with fingers, and
 that's the big motivation for me to use it.

  On a related topic, the media player designed by the Qt people is
rather simplistic, and while it works quite well, the Amarok team is
working on a new player based on the technologies in Amarok 2 - what
that means is that you'll be able to do all sorts of interesting
things... This is again all tags based stuff, so may well not be what
you want, but as general information for other people ;)

..leinir

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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread GNUtoo
 On Mon, Oct 13, 2008 at 10:45:01AM +0200, Xavier Cremaschi wrote:
 Hi folks,
 yesterday I tried to use qtopia-phone-x11-mediaplayer and some ogg/mp3
 files to transform the FR into a digital audio player.

 I have encountered 3 software problems :

 1. audio quality is bad (whereas it is good with Debian+Sonata/Mpd, so
 definitively not a hardware problem here) : is there a way to tune some
 parameters ?

 2. external speakers still work after headphones being plugged : is
 there an alsa subtlety here ? (it switches automatically with Debian)

 3. software relies upon tags, which I do not use at all. I have a
 precise filesystem scheme and no need of tag-based players trying to
 sort my music. Is there a way of telling the thing to stop trying to be
 smart ? I need a dumb soft here ;)

 qtopia-phone-x11-mediaplayer seems totally usable with fingers, and
 that's the big motivation for me to use it.

 4. battery life :)

 Rui
By the way what compilation options should i use to get mms:// in mplayer
of openembedded because in debian it works(but does not use libmad and
similar fixed point library)?

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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Xavier Cremaschi
Dan Jensen a écrit :
   Surely a program which grabs the information from your well-designed
 file system schema would work for you here? The trick is, doing it in
 this manner (that is, with tags) makes sure you have processing power
 left over when browsing the music, as all the tags are cached in a
 high-performance database. It also gives you the advantage of being
 able to find tracks directly by artist or by album or by... you get
 the idea, i'm sure :) While your filesystem is optimal for a single
 path through the music, the method used in the qt mediaplayer makes
 sure that the information is accessible through a number of different
 paths. So... give tags a shot before you discard their usefulness ;)
 
 qtopia-phone-x11-mediaplayer seems totally usable with fingers, and
 that's the big motivation for me to use it.
 
   On a related topic, the media player designed by the Qt people is
 rather simplistic, and while it works quite well, the Amarok team is
 working on a new player based on the technologies in Amarok 2 - what
 that means is that you'll be able to do all sorts of interesting
 things... This is again all tags based stuff, so may well not be what
 you want, but as general information for other people ;)
 
 ..leinir

I just want a single view named Folders (which would be a file 
explorer) instead of the existing Albums, Artists, Genre.

I totally understand that a tag-based player could be interesting for 
some people, but I *know* where my files are in my collection.

If I want to listen to Metallica's last album on my laptop (with 
Sonata/MPD), I just go into metal/Metallica/ and I add 'Death Magnetic' 
folder to my playlist.
I don't need to search Genre:Thrash or Genre:Metal, nor 
Artist:Metallica because I know where this folder is.
In fact, yes it is optimal for a single path to the music, and that's 
what I want.

The tag-based approach is a good way to dig into a collection you are 
discovering. Maybe it's shared by a friend, maybe you don't know what 
you have on your disk... whatever, I know which CD I ripped and where I 
stored it on my disk, and collection size is not a limit of this non 
tag-based approach you can trust me ;)

To make a debian analogy, I use debtags to find a package providing a 
functionality I want, but I do not use the tags when I *know* package's 
name.

Xavier.


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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Robin Paulson
2008/10/13 Xavier Cremaschi [EMAIL PROTECTED]:
 1. audio quality is bad (whereas it is good with Debian+Sonata/Mpd, so
 definitively not a hardware problem here) : is there a way to tune some
 parameters ?

 2. external speakers still work after headphones being plugged : is
 there an alsa subtlety here ? (it switches automatically with Debian)

 3. software relies upon tags, which I do not use at all. I have a
 precise filesystem scheme and no need of tag-based players trying to
 sort my music. Is there a way of telling the thing to stop trying to be
 smart ? I need a dumb soft here ;)

how did you get it to recognise tags?

i imported some songs, all with id3 tags. none of the tags were
recognised, the songs are all listed by filename, with 'unknown
artist' and 'unknown album'

any ideas?

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RE: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Matthias Camenzind

Convert the audio files before you copy them to the FR. The bad quality is 
caused of that pulseaudio and the openmoko-mediaplayer uses near to 100% cpu 
time. I converted some mp3 to mono 64kbps, they sound good.And cpu usage is 
around 60%. Here a little script:
#!/bin/bash
# execute it in a folder where the tracks are. First argument is to make files 
different to others. (May ID3-Tags are deleted. I used TagTool to create new 
Tags [from Filename].)
for fff in *.mp3; do
echo $fff
lame $fff -b 64 -m m -o -S /home/username/$1 - $fff
done

http://wiki.openmoko.org/wiki/Om_2008.8_Guide#openmoko-mediaplayer2
Shows how to make openmoko-mediaplayer2 finger usable.

 To: community@lists.openmoko.org
 From: [EMAIL PROTECTED]
 Date: Mon, 13 Oct 2008 10:45:01 +0200
 Subject: [Om2008.9] Using Freerunner as a digital audio player
 
 Hi folks,
 yesterday I tried to use qtopia-phone-x11-mediaplayer and some ogg/mp3 
 files to transform the FR into a digital audio player.
 
 I have encountered 3 software problems :
 
 1. audio quality is bad (whereas it is good with Debian+Sonata/Mpd, so 
 definitively not a hardware problem here) : is there a way to tune some 
 parameters ?
 
 2. external speakers still work after headphones being plugged : is 
 there an alsa subtlety here ? (it switches automatically with Debian)
 
 3. software relies upon tags, which I do not use at all. I have a 
 precise filesystem scheme and no need of tag-based players trying to 
 sort my music. Is there a way of telling the thing to stop trying to be 
 smart ? I need a dumb soft here ;)
 
 qtopia-phone-x11-mediaplayer seems totally usable with fingers, and 
 that's the big motivation for me to use it.
 
 Thanks in advance,
 Xavier.
 
 
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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Alastair Johnson
Sam Kuper wrote:
 2008/10/13 [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]
 
 I was *very* disapointed when I discovered the audio quality via
 headphones:in IRC they told me that it was because the capacitor(that is
 between headphone out and the sound card)'s value was too low and
 acted as
 a filter...
 As I am too afraid of breaking the openmoko i won't change the capacitor
 myself...but what could I do? build/buy an external amplifier(will
 it work
 fine?) or find a place where they could remplace me the capacitor?
 
 
 I wasn't aware of this problem, but if what you are saying is that the 
 headphone out socket of the phone has a capacitor connected across it 
 that is attenuating the high frequencies, then an external amplifier 
 connected to that socket will not be able to restore those frequencies.

The cap is 1uF in series - see the schematics at 
http://downloads.openmoko.org/schematics/GTA02/ and check the archives 
for a thorough analysis by Joerg:
http://lists.openmoko.org/pipermail/openmoko-kernel/2008-March/001996.html

An external amp will provide a high impedence load, so things will be 
better, but unless there was an unannounced change in the componenet 
values for the later boards you will be stuck with bass rolling off 
below 160Hz.

On the hardware list you can find discussion of the modification options.

 A well-designed amplifier that takes a digital audio feed from the USB 
 socket - a USB soundcard, essentially, would work in principle, but in 
 practice may be expensive/time-consuming to implement.

There are any number of usb headsets out there. Many would be trivial to 
modify for use with other headphones. If you're serious about your audio 
there's always the HeadRoom BitHead.

 My advice would be to try listening to music on your phone. If it sounds 
 fine, don't worry about it further. If it isn't fine, try using a distro 
 that is known to have good sound capabilities (someone else mentioned 
 that Debian gives high playback quality). Only if this fails to give you 
 adequate quality might it be worth investigating hardware 
 replacements/augmentation.
 
 Regards,
 
 Sam
 
 
 
 
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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Sam Kuper
2008/10/13 [EMAIL PROTECTED]

 I was *very* disapointed when I discovered the audio quality via
 headphones:in IRC they told me that it was because the capacitor(that is
 between headphone out and the sound card)'s value was too low and acted as
 a filter...
 As I am too afraid of breaking the openmoko i won't change the capacitor
 myself...but what could I do? build/buy an external amplifier(will it work
 fine?) or find a place where they could remplace me the capacitor?


I wasn't aware of this problem, but if what you are saying is that the
headphone out socket of the phone has a capacitor connected across it that
is attenuating the high frequencies, then an external amplifier connected to
that socket will not be able to restore those frequencies.

A well-designed amplifier that takes a digital audio feed from the USB
socket - a USB soundcard, essentially, would work in principle, but in
practice may be expensive/time-consuming to implement.

My advice would be to try listening to music on your phone. If it sounds
fine, don't worry about it further. If it isn't fine, try using a distro
that is known to have good sound capabilities (someone else mentioned that
Debian gives high playback quality). Only if this fails to give you adequate
quality might it be worth investigating hardware replacements/augmentation.

Regards,

Sam
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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Xavier Cremaschi
Matthias Camenzind a écrit :
 Convert the audio files before you copy them to the FR. The bad quality is 
 caused of that pulseaudio and the openmoko-mediaplayer uses near to 100% cpu 
 time. I converted some mp3 to mono 64kbps, they sound good.And cpu usage is 
 around 60%. Here a little script:

Mmmm that's strange because everything sounds good under Debian. But 
thanks for the hint, I will check my cpu usage.

 
 http://wiki.openmoko.org/wiki/Om_2008.8_Guide#openmoko-mediaplayer2
 Shows how to make openmoko-mediaplayer2 finger usable.

Thanks!


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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread GNUtoo
 On Mon, Oct 13, 2008 at 10:45:01AM +0200, Xavier Cremaschi wrote:
 Hi folks,
 yesterday I tried to use qtopia-phone-x11-mediaplayer and some ogg/mp3
 files to transform the FR into a digital audio player.

 I have encountered 3 software problems :

 1. audio quality is bad (whereas it is good with Debian+Sonata/Mpd, so
 definitively not a hardware problem here) : is there a way to tune some
 parameters ?

 2. external speakers still work after headphones being plugged : is
 there an alsa subtlety here ? (it switches automatically with Debian)

 3. software relies upon tags, which I do not use at all. I have a
 precise filesystem scheme and no need of tag-based players trying to
 sort my music. Is there a way of telling the thing to stop trying to be
 smart ? I need a dumb soft here ;)

 qtopia-phone-x11-mediaplayer seems totally usable with fingers, and
 that's the big motivation for me to use it.

 4. battery life :)

 Rui
5.The Hardware problem of external speakers/headphones:
I was *very* disapointed when I discovered the audio quality via
headphones:in IRC they told me that it was because the capacitor(that is
between headphone out and the sound card)'s value was too low and acted as
a filter...
As I am too afraid of breaking the openmoko i won't change the capacitor
myself...but what could I do? build/buy an external amplifier(will it work
fine?) or find a place where they could remplace me the capacitor?
I wanted to remplace my old ogg player with the openmoko...because my old
ogg player is(pma430):
*not powerfull enough to decode all the internet radios(such as mms://)
*has a lot of bugs(the port of mplayer is buggy on it,and the default
audio player too)
*can't be easely programmed to make a usefull(quick and dirty)
player...because there is an old qtopia,python hasn't the gtk
library,mplayer is buggy etc...so making a player is out of my capacity...

So I Thought buying the openmoko that I could also use it as a ogg/radio
player...but without headphones...I can't listen to it in the metro...


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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Xavier Cremaschi
 Mmmm that's strange because everything sounds good under Debian. But 
 thanks for the hint, I will check my cpu usage.
 

You are right, after a bit of killing :
- it sounds good with qtopia media player, and mediaserver eats 45% of 
CPU in top
- it sounds good too with mplayer (frontend here 
http://www.opkg.org/package_1.html) and it eats only 30% of CPU

Xavier.


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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread Rui Miguel Silva Seabra
On Mon, Oct 13, 2008 at 10:45:01AM +0200, Xavier Cremaschi wrote:
 Hi folks,
 yesterday I tried to use qtopia-phone-x11-mediaplayer and some ogg/mp3 
 files to transform the FR into a digital audio player.
 
 I have encountered 3 software problems :
 
 1. audio quality is bad (whereas it is good with Debian+Sonata/Mpd, so 
 definitively not a hardware problem here) : is there a way to tune some 
 parameters ?
 
 2. external speakers still work after headphones being plugged : is 
 there an alsa subtlety here ? (it switches automatically with Debian)
 
 3. software relies upon tags, which I do not use at all. I have a 
 precise filesystem scheme and no need of tag-based players trying to 
 sort my music. Is there a way of telling the thing to stop trying to be 
 smart ? I need a dumb soft here ;)
 
 qtopia-phone-x11-mediaplayer seems totally usable with fingers, and 
 that's the big motivation for me to use it.

4. battery life :)

Rui

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Re: [Om2008.9] Using Freerunner as a digital audio player

2008-10-13 Thread David Garabana Barro
El Luns, 13 de Outubro de 2008, Matthias Camenzind escribió:
 Convert the audio files before you copy them to the FR. The bad quality is
 caused of that pulseaudio and the openmoko-mediaplayer uses near to 100%
 cpu time. I converted some mp3 to mono 64kbps, they sound good.And cpu
 usage is around 60%. Here a little script: #!/bin/bash

400 MHz unable to decode 128 kbps mp3 on the fly???

My 486-66 did it with winamp!

I think there might be some problem with latest qtopia's mediaplayer (or sound 
server).
The same files I heard flawlessly on 4.3.3 snapshot, continuosly clicks on 
4.4.1. Both in ogg and mp3.


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