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Fails on some files (gets stuck forever while capturing the first frame).

Happens often with Matroska. 1.0.7a introduced a workaround (-Wo) with ffmpeg’s argument order that worked with other file types.

Reported by Vendetta 18/09/2016 on Google Play

Dejó de funcionar Desde la actualización d mi Huawei P8 lite a android 6 ya no sale el tipo d conexión en la barra d notificaciones.

P8 lite / Marshmallow / r14034

Reported by Oncewarriors 9/08/2017 through email

[...]the bar icon is vanishing after a while

Originally reported by Tomasz Strózik

Example given:

$ find $DIR \(-name "*.avi" -o -name "*.wmv" -o -name "*.mpg" -o -name "*.mp4" \) -exec vcs -dt -ds -n 12 -c2 -H 200 --jpeg --quiet {} \;

Works on avi, mpg and mp4 but fails on wmv with
Failed to capture frame (at second xxx.000)

Processing the same file directly works:

$ vcs -dt -ds -n 12 -c2 -H 200 --jpeg --quiet File.wmv

Due to the use of ~ in the revision tag

finger is not installed/enabled by default in at least FC12. Replace it with something better like grepping /etc/passwd

No need for description

Reported by Terry Parrott

Reports that the app won’t auto load despite having the option enabled.

Reported on Oreo.

Presumably related to FS#370.

Originally reported by Phil Grundig

Version of mplayer: mplayer (1.0pre8cvs)

When the resulting contact sheet is too thin, the meta-information header is cramped and fields overlap.

Reported by KW in comments: https://outlyer.net/2019-11-26:vcs-1-13-4-released/#comment-51875

With the new script I'm getting issues the following error:
No compatible version of getopt in path, can't continue.
Enhanced getopt (i.e. GNU getopt) is required

Added by Darko in comments: https://outlyer.net/2019-11-26:vcs-1-13-4-released/#comment-52719

The homebrew's version of vcs has this at line 186:
declare GETOPT=/opt/homebrew/opt/gnu-getopt/bin/getopt
While Toni's just uses whatever is on path:
declare GETOPT=getopt
… which on macOS is non-gnu version of getopt.

Added by X in comments: https://outlyer.net/2019-11-26:vcs-1-13-4-released/#comment-53401

The issue is on line 186. Brew version has this:
declare GETOPT=/usr/local/opt/gnu-getopt/bin/getopt
The trunk version has:
declare GETOPT=getopt
When I backport the most important change you did in the trunk version ('`fx:image.mean` > `fx:mean`') then indeed the error messages on '.mean*100' are gone.

Running in Fedora Core 10 i686 (KVM) yields one 128k frame less and a different “theoretical size” than in Debian amd64, in one sample, and the same number of frames but 2 bytes less in another.

Reported by Eddie Wallace

No need for description

Known bug, app isn’t always notified.

Reproducible switching network mode from 3G/2G to 2G-only

No need for description

Original report by Dougn Redhammer

vcs hangs with some RM files.

Tracing shows it gets stuck in mplayer_identify.

MPlayer can play the files fine from the terminal. Although it exits with «MPlayer interrupted by signal 11 in module: uninit_vcodec».

I can reproduce the abrupt termination, it happens when using Real’s native decoder (w64codecs, /usr/lib/codecs/drvc.so). Using FFMpeg’s decoder (MPlayer’s -vc ffrv30) MPlayer exits normally.

I can’t reproduce the hang either way.

Originally reported by Pär: https://outlyer.net/2019-11-26:vcs-1-13-4-released/comment-page-1/#comment-60689

Another thing that is a little bit annoying, but isn't a very big deal, is the fact that videos made from a phone where the image is rotated in metadata, doesn't produce a correct aspect ratio. For example, a video that is stored as 1920×1080 (16:9), but shown as 1080×1920 (9:16), due to metadata rotation, vcs will create thumbnails in 1920×1080 aspect ratio (16:9) but show them rotated correctly, which means the image at 9:16 gets squashed to fit into 16:9. Like I said, not a very huge deal, but it looks somewhat silly and it would be great if it was possible to fix.
I've tried to see if I could set the aspect parameter but it doesn't seem to do much when the rotation is made in metadata. Metadata usually state something like:
>
> "`bash
Side data:
displaymatrix: rotation of -90.00 degrees
"`

-o is a GNU extension, supported in Linux and FreeBSD

Unsupported in SunOS, OpenBSD?

I.e. create file sample#.avi

Run vcs on sample#.avi -> sample#.avi.png is created.
Run vcs again. sample#.avi-1.png should be created, but sed generates an error.

Originally reported by Phil Grundig

Version of ffmpeg: ffmpeg (CVS-060515)

Originally reported by Dougn Redhammer

Appears to be an incompatibility with current ImageMagick (6), happens with old versions of vcs too

No need for description

Reported by Paul:

Hey,
I'm using VCS via Homebrew Install (https://formulae.brew.sh/formula/vcs#default) and since the last update of imagemagick (?) I get dozens of error messages:
convert: Expected operator at '.mean*100' @ error/fx.c/GetOperator/2408

Confirmed to happen on ImageMagick 7.1 on Linux, the contact sheet is generated but blank frame evasion is skipped

Reported by Willy Romano 23/03/2017 on the Google Play

On Huawei G8. App doesn’t automatically execute when phone is turned off then back on. I protected the app and this seems to have solved the problem.