Re: USB Host mode - which of these pages is valid?

2010-11-29 Thread Hartti Suomela
There are some (one?) hacks around, which seem to make N900 sort of USB host
mode device (I do not know how they exactly work), although officially the
device does not support that (as expressed by Gil Quim).

Hartti

On Mon, Nov 29, 2010 at 8:46 AM, Mayuresh mayur...@acm.org wrote:

 Regarding whether N900 will support USB mode or not, I am confused about
 due to the statements on the following pages:

 http://wiki.maemo.org/USB_host_mode
 http://talk.maemo.org/showthread.php?t=31921
 http://wiki.maemo.org/N900_Hardware_USB

 Can someone clarify?

 Mayuresh
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Displaying the content of a N810 tablet with a video projector

2010-11-29 Thread COURTAUD Didier

Hi all

I would want to display the content of my N810 tablet through a video 
projector.


I have succeeded to connect to the video projector via USB but the 
tablet does not show anything !


How can I order it to send its display to the videoprojector ?

Do I need to install another X server thant Xomap ?

Thanks by advance for your help
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Smooth video playback of mounted files

2010-11-29 Thread Mayuresh
To play media files shared over a wifi network on N900 following is what I
tried:

Setup: A common file server to share media files over home wifi network.

Options: upnp, sshfs/nfs mounted share, streaming server

Observations:

1. All options work fine for audio files.

2. With sshfs/nfs, video files up to limited resolution (VCD quality) work
fine.

3. Between vlc and mplayer, vlc works much smoother. (Ovi not considered.
It doesn't work well.) I think vlc utilizes the DSP hardware of N900
better while mplayer as yet doesn't.

4. Between sshfs and nfs mount, nfs works slightly better.

5. For higher resolution videos (DVD quality) none of the options works.



Following observations are for a DVD quality video:

- mplayer doesn't work well (or may be is very hard to tune) even if the
  file was copied to local memory card.

- vlc works very well if the file was copied locally. However over nfs
  mount it is not smooth.

- Network bandwidth is not a problem. The wifi interface shows transfer
  speeds of 10mbps and the bitrate of the video is around 2mbps.

- Between other 2 machines on the same network, the video over NFS plays
  fine without any caching options of vlc. (Shows network is not
  bottleneck.)

- Still, tried file-caching option of vlc, though no effect.

- Since N900 plays same video fine if copied on memory card and that for
  other machines on same network nfs mounted videos play fine, it seems
  it is either N900's cpu or nfs client is the bottleneck.

- Tried streaming to N900 from other machine (instead of mounting files)
  using vlc. The quality is not satisfactory.


So, in summary, so far, NFS mounted filesystem with vlc as player has
given best results, though it needs some fine tuning to make higher
resolution videos work smoothly.

Any inputs?

Mayuresh.
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Re: Displaying the content of a N810 tablet with a video projector

2010-11-29 Thread Dave Neary
Hi Didier,

COURTAUD Didier wrote:
 I would want to display the content of my N810 tablet through a video
 projector.
 
 I have succeeded to connect to the video projector via USB but the
 tablet does not show anything !
 
 How can I order it to send its display to the videoprojector ?
 
 Do I need to install another X server thant Xomap ?

I know we had a set-up to do this at the Maemo Summit in 2008. Eric
Warnke might be able to help you with some pointers if he's still about?

I was sure I had see a HOWTO about doing this in the wiki, but it
appears not.

Can someone help document this here, please, so that we can get it
documented in the wiki too?

Thanks!
Dave.

-- 
maemo.org docsmaster
Email: dne...@maemo.org
Jabber: bo...@jabber.org

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Re: Displaying the content of a N810 tablet with a video projector

2010-11-29 Thread Ville M. Vainio
On Mon, Nov 29, 2010 at 7:58 PM, COURTAUD Didier didier.court...@cea.fr wrote:
 Hi all

 I would want to display the content of my N810 tablet through a video
 projector.

Could you consider installing x11vnc on the tablet, and then
connecting with vncviewer over usb networking?


-- 
Ville M. Vainio @@ Forum Nokia
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RE: Download of 10MB after internet connection

2010-11-29 Thread Aldon Hynes
Sorry about being a little late to this discussion.  If people are still 
interested, I have a few other thoughts to consider.

First, the assumption is that it is the checking for updates that is using up 
the bandwidth.  Keep in mind that it could be other things, such as fMMS if you 
use it, email, Ovi Maps, or even some of the social networking tools like 
Pidgin, etc.

Whatever the cause, I always try to always disable automatic checking, and then 
do my checking manually when I am connected to WiFi, e.g. running

apt-get update and apt-get upgrade from the command prompt when I am connected 
to my home network.

I also don't automatically connect to my 3G network.  I stay disconnected 
except when I need to connect.

Aldon

 -Original Message-
 From: maemo-users-boun...@maemo.org
 [mailto:maemo-users-boun...@maemo.org]on Behalf Of Tanuva
 Sent: Thursday, November 11, 2010 4:40 PM
 To: maemo-users@maemo.org
 Subject: Re: Download of 10MB after internet connection
 
 
 Moin,
 
 This behaviour is really annoying to me since I have 30 MB/month free 
 data. If about 20 MB of that get eaten by some apt-worker process 
 updating the db from time to time its fairly useless to me.
 
 Practically disabling auto update checking isn't _the_ fix since I have 
 WLAN available most of the time but don't want to waste 3G traffic just 
 because something decides that it's time for updates now. Isn't there a 
 network-aware solution possible?
 
 Marcel
 
 Am 11.11.2010 22:24, schrieb Paul Hartman:
  2010/11/11 João Olavo Baião de Vasconcelosjoaool...@gmail.com:
  Hi there!
 
  Every time I connect my n900 to 3g, I notice through Personal Dataplan
  Monitor that it downloads almost 10 MB, even if I don't open browser or
  login into any messenger.
 
  I'm guessing that the it runs like a apt-get update to check 
 new software
  updates.
 
  Does it happen with everyone? How to disable this repository 
 check (without
  disabling the repositories)? Or is there any other issue?
 
  Thanks any advice!
 
  You can change the auto-update interval:
 
  http://wiki.maemo.org/Customizing_Maemo#Disabling_Auto_Updates_Check
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RE: USB Host mode - which of these pages is valid?

2010-11-29 Thread kate.alhola


From: maemo-users-boun...@maemo.org [maemo-users-boun...@maemo.org] on behalf 
of ext Hartti Suomela [har...@gmail.com]
Sent: Monday, November 29, 2010 7:01 PM
To: maemo
Subject: Re: SB Host mode - which of these pages is valid?

There are some (one?) hacks around, which seem to make N900 sort of USB host 
mode device (I do not know how they exactly work), although officially the 
device does not support that (as expressed by Gil Quim).

The device with standard kernel does not support host mode or USB-OTG but
it is possible to configure (hack) working as host mode but .

I discussed with some developers that did the implementation, HW does not
comply with the USB-OTG specification so we can't claim supporting it and for
that reason standard kernel does not have it compiled in nor device does not
have ID pin connected. The device is open, so if you put your own kernel and
configure it working in host mode, you get USB host but that does not
comply any specification.

The http://wiki.maemo.org/N900_Hardware_USB is good description.
The http://wiki.maemo.org/USB_host_mode is aomehow outdated and
mostly talking about N800 and N810. They did not have USB host mode
switched off from kernel driver and with them it was much more easy with
my old usb-otg plugin. Sad that this more elegant solution is not possible in 
N900.

Kate

Hartti

On Mon, Nov 29, 2010 at 8:46 AM, Mayuresh 
mayur...@acm.orgmailto:mayur...@acm.org wrote:
Regarding whether N900 will support USB mode or not, I am confused about
due to the statements on the following pages:

http://wiki.maemo.org/USB_host_mode
http://talk.maemo.org/showthread.php?t=31921
http://wiki.maemo.org/N900_Hardware_USB

Can someone clarify?

Mayuresh
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