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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » Graphics
Ucview Webcam Capture
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL

PostPosted: Thu 05 Aug 2010, 17:03    Post subject:  

Have you tried FFconvert from Shinobar?
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edoc


Joined: 07 Aug 2005
Posts: 4369
Location: Southeast Georgia, USA

PostPosted: Thu 05 Aug 2010, 17:43    Post subject:  

Is there an option to convert AVI to AMR in FFconvert.

We couldn't find it.

CORRECTION:

My error, it wants AMV not AMR ... there is an option in wo-ff for AMR but not for AMV.

BTW: I did a conversion to AMR but it is identified in Puppy as a text file ... though that could be a mis-ID.

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Home page: http://nevils-station.com
Don't google Search! http://duckduckgo.com
Puppy upup Raring 3992 & Lighthouse64-b602
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edoc


Joined: 07 Aug 2005
Posts: 4369
Location: Southeast Georgia, USA

PostPosted: Thu 05 Aug 2010, 19:16    Post subject:  

I found this page of AMV sample files but the MP4 player that will only play AMV files says that the file format is wrong.

http://samples.mplayerhq.hu/amv/

Can someone test them on a known-good MP4 player that handles AMV and tell me if they are OK?

I need to know if this is just another piece of cheap Chinese fake-MP4 junk hardware that needs to be returned or if something else is going on with more than one AMV file format out there.

Sigh.

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Home page: http://nevils-station.com
Don't google Search! http://duckduckgo.com
Puppy upup Raring 3992 & Lighthouse64-b602
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL

PostPosted: Sun 21 Nov 2010, 05:02    Post subject:  

I rebuilt ucview with the newest libtheora and now theora encoding doesn't crash. Yay! Updates coming for Puppeee and Fluppy.
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abushcrafter


Joined: 30 Oct 2009
Posts: 1447
Location: England

PostPosted: Mon 22 Nov 2010, 08:58    Post subject:  

Yay Very Happy! Could you also build it for other puppy's please.
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jemimah


Joined: 26 Aug 2009
Posts: 4309
Location: Tampa, FL

PostPosted: Mon 22 Nov 2010, 13:22    Post subject:  

Which Puppies?

Surely there's a UCview package in the Ubuntu repo that would work with LuPu?
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abushcrafter


Joined: 30 Oct 2009
Posts: 1447
Location: England

PostPosted: Wed 24 Nov 2010, 09:40    Post subject:  

I was think of a generic build that would work of 4.3.* or newer. How ever I can't test it until I get my non UVC logitech quick cam express webcam working. Then there's the though of that am am considering using Fluppy as a base for my system...
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MU


Joined: 24 Aug 2005
Posts: 13642
Location: Karlsruhe, Germany

PostPosted: Sun 28 Aug 2011, 11:24    Post subject:  

nice, many thanks!

Example video, grabbed with 1 frame every 5 seconds, then encoded with 25 fps (resulting in 125* speed):
http://www.youtube.com/watch?v=n9VAk_EN_Yc


using a subfolder called "1" to store the jpg frames:


grab.sh

Code:
#!/bin/bash


thedir=1

while [ 1 ];do


 ffmpeg  -y -f video4linux2 -s 960x720 -r 1 -t 1 -i /dev/video $thedir/`date +%s`.jpg

# ffmpeg  -y -f video4linux2 -s 1280x960 -r 1 -t 1 -i /dev/video $thedir/`date +%s`.jpg

 sleep 5

done


encode.sh

Code:
#!/bin/bash

thedir=1



#-vf eq2=gamma:contrast:brightness:saturation
#where gamma 0.1 - 10 (default 1.0), contrast -2 − 2 (default 1.0), brightnes -1 - 1 (default 0.0),
#saturation 0 − 3 (default 1.0),

#res="w=640:h=480"
res="w=960:h=720"


mencoder-mt mf://$thedir/*.jpg -mf $res:fps=25:type=jpg -ovc lavc \
    -vf eq2=1.4:1.2:0.0:1.5 \
    -lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -o output-$thedir.avi


To encode I used this mencoder:
http://dotpups.de/puppy4/dotpups/Multimedia/Mplayer-MultiThread/

Mark

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