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HDR isn’t well supported as reported by remlap and ThaDr.

Their comments:

https://outlyer.net/2017-05-26:vcs-1-13-3-released/#comment-30901

Hi I am trying to thumbnail some HDR content is there anyway to insert ffmpeg filters in
-vf zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=mobius:desat=0,zscale=t=bt709:m=bt709:r=tv,format=yuv420p

Thanks

https://outlyer.net/2017-05-26:vcs-1-13-3-released/#comment-32413:

I’m also trying to do some HDR content and pass the -vf info to ffmpeg. I can’t get it to work even using a wrapper script.

It always comes up with awk errors, starting with “unterminated regexp”.

Is there any chance of updating vcs to support manual passing of those -vf arguments to ffmpeg?

HDR content is very common nowadays…

https://outlyer.net/2017-05-26:vcs-1-13-3-released/#comment-32423

I’m using vcs 1.13.2 on ubuntu and ended up doing it by adding the line:

-vf ‘zscale=t=linear:npl=100,format=gbrpf32le,zscale=p=bt709,tonemap=tonemap=hable:desat=0,zscale=t=bt709:m=bt709:r=tv,format=yuv420p’ \

at line 2203, in the ffmpeg_capture() function where it sets the ffmpeg command line options.

Couldn’t work out how to do it with a wrapper script.

Asked by Bob on the blog

Would it be possible to somehow specify to only screenshot half of the video image (for 180 side-by-side VR videos)?

Or would this require new features to be added to the VCS?

Useful for debugging, likely not useful for users since the command-line already overrides configurable arguments

The available configuration options need a serious review and renaming. Old names will be accepted with warnings for either two releases or six months.

Also, should provide a sample configuration file so that the syntax and options are clearer.

As reported by Dirk Reiners (paraphrased)

Files incorrectly reporting too short length (unlike too long), pass the safe_length_measure check ⇒ This prevents correcting length.

Originally suggested by Dean: http://outlyer.net/2010-08-24:vcs-1_12-2-released/

” [...]

Second, my dvd-drive is useless atm, but i remember previously piping dvd-ouput from mplayer into ffmpeg via a fifo and finding the info generated to be much better than mplayer-alone – for one thing, it won’t ‘downmix’ 6-channel audio automatically. Don’t know if that would be useful to you. The syntax was something like:-

mkfifo piped.vob &&
mplayer dvd:// -dumpstream -dumpfile piped.vob & \
ffmpeg -i piped.vob

…See what you think…
”

This is a meta-item depending on bugs/features required to complete before releasing vcs 1.14

Previous:  FS#152   FS#218   FS#224   FS#250   FS#366 

No need for description

No need for description

See  FS#171 

This is a meta-item depending on bugs/features required to complete before releasing vcs 2.0.

v2.0 will be a rewrite in Python.

Previous: FS#153

Gradle allows to define fields on the generated class BuildConfig. This should be enough to discard the current per-build-type classes.

Example: https://stackoverflow.com/questions/24518940/custom-fields-for-a-build-type-in-gradle

In the past BuildConfig.DEBUG wasn’t reliable (when combining Eclipse and ADT), but on Android Studio with Gradle it can be used safely and hence there’s no need to duplicate the functionality.

As of 2019-07 usage below KitKat is anecdotal:

2.3.x: 0.04%
4.0.x: 0.07%
4.1: 0.86%
4.2: 1.35%
4.3: 0.82%

2.3 to 4.3: 3.14%

4.4: 6.28%
5.0: 4.33%

Should allow to disable it in both configuration and command-line.

Should provide an easy way to generate a new configuration file based on the provided command-line arguments.

Introduce new names in 1.12 ( FS#120 )

Remove old names in 1.13 or 1.14 (this)

The spinner, used to show progress adds a lot of overkill just to give some feedback while working

This is a meta-item depending on bugs/features required to complete before releasing mp3plot 0.6.1

Next: FS#192

This is a meta-item depending on bugs/features required to complete before releasing mp3plot 0.7

Previous: FS#191
Next: FS#193

This is a meta-item depending on bugs/features required to complete before releasing mp3plot 1.0

Previous: FS#192

This is a meta-item depending on bugs/features required to complete before releasing QFS 0.12

When a frame evasion is tried and given up, the chosen timestamp should be the original instead of the last attempt

To mimic the original way of working

Once the user has chosen to use only a set of icons, allow them to choose which of the two.