[gst-devel] problems with firewire port

[Valentina Messeri]

Quoting Edward Hervey <edward.hervey at collabora.co.uk>:

> Hi,
>
>   Have you tried not specifying the port ? Unless you have several
> cameras on your firewire port you don't need to specify it.
>
>   And a simpler way to test if you're getting anything from that source
> is to try this:
>   gst-launch-0.10 dv1394src ! fakesink
>
>   If that pipeline goes to playing, you're all set.


ok:

  vale at valedipiu:~$ gst-launch-0.10 dv1394src ! fakesinkSetting  
pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock


but still "could not link dv1394src0 to dv" even if port is not specified....

Can you use firewire port for any other pourpose? i mean can you  
suggets any other pipeline i can use for capture only? (sorry very  
newbie in gst...)

>
>     Edward
>
> P.S. 'sudo gst-launch-0.10' <== BAD BAD BAD ! Change your user
> privileges to be able to access that device as non-root.

why? i mean why is that BAD?

thx!!!!!

Vale




>
> On Mon, 2008-07-28 at 13:48 +0100, Valentina Messeri wrote:
>> I!
>>
>> We're tryin to run this pipeline, in order to stream from firewire port:
>>
>>   vale at valedipiu:~$ sudo gst-launch-0.10  dv1394src port=0 ! dvdec
>> name=dv quality=3 {
>> dv.audio ! queue ! audioconvert !
>> audio/x-raw-int,rate=22050,channels=2 ! queue !
>> vorbisenc quality=0.5 ! queue ! mux. } { dv.video ! queue ! videorate !
>> video/x-raw-yuv,framerate=25/2 ! videoscale !
>> video/x-raw-yuv,width=320,height=240 !
>> ffmpegcolorspace ! tee name=tscreen ! queue ! autovideosink tscreen. !
>> queue ! theoraenc
>> quality=2 ! queue ! mux. } { oggmux name=mux ! shout2send ip=xxx.xx  
>>  port=8000
>> mount=mountpoint.ogg password=xxxx streamname= description= genre= url= }
>>
>> BUT:
>>
>> WARNING: erroneous pipeline: could not link dv1394src0 to dv
>>
>> i'm actuallly using:
>>
>>   gst-launch-0.10 version 0.10.18
>> GStreamer 0.10.18
>> https://launchpad.net/distros/ubuntu/+source/gstreamer0.10
>>
>> on a intel coreduo:
>>
>> Linux valedipiu 2.6.24-16-generic #1 SMP Thu Apr 10 13:23:42 UTC 2008
>> i686 GNU/Linux
>>
>> modules ok:
>>
>> ohci1394               33584  1 dv1394
>> ieee1394               93752  4 raw1394,dv1394,sbp2,ohci1394
>>
>>
>> I'm linux-videomaker but not so experienced using gstreamer....and,
>> for example...can't
>> catch how to set correctly port and channel parameters.
>> Gscanbus says port is 0......
>>
>> I googlelize but couldn't find info :D so i'm available to produce,
>> once i could make it
>> works....
>>
>> :)
>>
>> http://encosianima.net/
>>
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> --
> Edward Hervey <edward.hervey at collabora.co.uk>
> Collabora Multimedia
>
>
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>



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