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kaffeesurogat
n00b
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Joined: 17 Sep 2011
Posts: 4

PostPosted: Thu Feb 13, 2014 12:14 pm    Post subject: a dvd::rip question ... preview image fetch failed .... Reply with quote

Hello All,

I've allready posted this on the dvd:rip-user mailing list.
Hope you don't mind, that I rephrase my question here,
since - I really don't want to be impolite - the list doesn't seem to be very active.
It might be that someone knows an answer.

I have two machines. On both machines there is the same version of dvd::rip installed - namely

Quote:

media-video/dvdrip-0.98.11-r1 USE="ffmpeg fping mplayer ogg subtitles vcd vorbis xine xvid"


On machine one, dvd::rip can't fetch the preview image.

The following commands are issued on machine 1 and 2.

###################################################################
machine 1
####################################################################

mkdir -m 0775 /movies/dvdrip-data/test/tmp/dvdrip1859.snap; cd /movies/dvdrip-data/test/tmp/dvdrip1859.snap; execflow tccat -i \/movies\/dvdrip\-data\/test\/vob\/006\/ -t vob -S 4689 -d 0 | tcdemux -s 0x80 -x mpeg2 -S 0 -M 0 -d 0 -P /dev/null | tcextract -t vob -a 0 -x mpeg2 -d 0 | ffmpeg -r 25.000 -i - -an -r 1 -ss '0,280' -vframes 1 snapshot%03d.png && execflow convert -size 720x576 /movies/dvdrip-data/test/tmp/dvdrip1859.snap/snapshot*.png /movies/dvdrip-data/test/tmp/test-006-preview-orig.jpg && execflow convert -size 720x576 /movies/dvdrip-data/test/tmp/dvdrip1859.snap/snapshot*.png gray:/movies/dvdrip-data/test/tmp/test-006-preview-orig.raw && rm -r /movies/dvdrip-data/test/tmp/dvdrip1859.snap && echo EXECFLOW_OK


The following command is issued on machine 2:

###################################################################
machine 2
####################################################################

mkdir -m 0775 /home/nico/dvdrip-data/test/tmp/dvdrip32740.snap; cd /home/nico/dvdrip-data/test/tmp/dvdrip32740.snap; execflow tccat -i \/home\/nico\/dvdrip\-data\/test\/vob\/006\/ -t vob -S 4689 -d 0 | tcdemux -s 0x80 -x mpeg2 -S 0 -M 0 -d 0 -P /dev/null | tcextract -t vob -a 0 -x mpeg2 -d 0 | ffmpeg -r 25.000 -i - -an -r 1 -ss '0.280' -vframes 1 snapshot%03d.png && execflow convert -size 720x576 /home/nico/dvdrip-data/test/tmp/dvdrip32740.snap/snapshot*.png /home/nico/dvdrip-data/test/tmp/test-006-preview-orig.jpg && execflow convert -size 720x576 /home/nico/dvdrip-data/test/tmp/dvdrip32740.snap/snapshot*.png gray:/home/nico/dvdrip-data/test/tmp/test-006-preview-orig.raw && rm -r /home/nico/dvdrip-data/test/tmp/dvdrip32740.snap && echo EXECFLOW_OK


There is a tiny difference in the ffmpeg option list:

machine 1: -ss '0,280'
machine 2: -ss '0.280'


On machine 1 the -ss option contains a "," instead of a "." ..... I can replace the "," by a "." and run the command manually with success.
I still have an older version of perl installed on machine 2:


Machine 1

Quote:

[ebuild R ] dev-lang/perl-5.16.3:0/5.16 USE="berkdb gdbm -debug -doc -ithreads"



Machine 2

Quote:

[ebuild R ] dev-lang/perl-5.12.4-r1 USE="berkdb gdbm -build -debug -doc -ithreads"



Well, I think this kind of weird. Took me ages to find the "," vs "." difference ;)

Any help is appreciated,

kaffeesurogat
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beandog
Developer
Developer


Joined: 04 May 2003
Posts: 2013
Location: /usa/utah

PostPosted: Tue Feb 18, 2014 5:06 am    Post subject: Reply with quote

I *guess* the difference in the perl version could do it. Kind of odd though.

The question is .. how much do you really want the preview image? :)
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beandog
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Joined: 04 May 2003
Posts: 2013
Location: /usa/utah

PostPosted: Wed Mar 19, 2014 6:43 pm    Post subject: Reply with quote

Go ahead and file a bug and I'll see if I can look at it. cc me on the bug and add a link with this forum post
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