dedupe video frames

[Michael Gruner]

Oh I see. Yeah I don’t know if there’s something out of the box for that, but here's an element that compares images using SSIM:

https://github.com/GStreamer/gst-plugins-bad/blob/master/ext/iqa/iqa.c


> On 21 May 2021, at 12:27, Carl Karsten <carl at nextdayvideo.com> wrote:
> 
> imagefreeze is the opposite of what I want
> "It duplicates the first frame..."    
> 
> I want a filter (is filter the right term here?) I want something that does not pass frames that are the same as the previous frame.  
> Frame number and time get adjusted so the result shows something moving at all times.  
> 
> If I have these frames: 
> a, b1, b2, b3, c, d
> 
> and b1,2,3 are all the same, output is a, b1, c, d
> 
> 
> 
> 
> On Fri, May 21, 2021 at 10:05 AM Michael Gruner <michael.gruner at ridgerun.com <mailto:michael.gruner at ridgerun.com>> wrote:
> Maybe imagefreeze does what you need:
> 
> https://gstreamer.freedesktop.org/documentation/imagefreeze/index.html?gi-language=python#imagefreeze-page <https://gstreamer.freedesktop.org/documentation/imagefreeze/index.html?gi-language=python#imagefreeze-page>
> 
> Michael
> 
>> On 20 May 2021, at 21:55, Carl Karsten via gstreamer-devel <gstreamer-devel at lists.freedesktop.org <mailto:gstreamer-devel at lists.freedesktop.org>> wrote:
>> 
>> 
>> I want to remove duplicate frames.   the source is ximage, so anytime there is no activity, the fames should be the same, and boring :p    
>> 
>> compare looks useful, but I don't know how
>> 
>> https://gstreamer.freedesktop.org/documentation/debugutilsbad/compare.html?gi-language=python#compare <https://gstreamer.freedesktop.org/documentation/debugutilsbad/compare.html?gi-language=python#compare>
>> 
>> -- 
>> Carl K
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> 
> 
> -- 
> Carl K

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