[Cin] current set of my patches

Terje J. Hanssen terjejhanssen at gmail.com
Tue Jan 9 09:19:53 CET 2024

Den 09.01.2024 08:37, skrev Terje J. Hanssen:
> Den 09.01.2024 05:31, skrev Andrew Randrianasulu via Cin:
>> вт, 9 янв. 2024 г., 05:46 Andrew Randrianasulu <randrianasulu at gmail.com>:
>>     So, I tried to clarify a bit that we have display aspect ratio
>>     selectable, updated cingg team copyright year, added even more
>>     finegrained sar/dar reporting (guessed, container detected, codec
>>     detected).
>>     I tried to use libavutil function for reporting SAR in
>>     setformat.C but it need some dynamic gui subwindow/object, not
>>     static BCTitle... so just prototype that does not update as you
>>     update window, only calculated on window objects create time, so
>>     each time you reopen set format window.
>>     3 new git diff patches hopefully for application
>>     0003 should be applied on top of
>>     0001-Add-guessed-detected-SAR-DAR-values-to-ffmpeg-asset-.patch
>>     from another thread
>>     one plain diff patch just for showing where SAR info might
>>     surface if I ever learn now to create dynamic text subwindows :)
>> oh, I calculated SAR wrongly in setformat patch, so this one should  
>> obviously only considered as placeholder/mockup.
>> Still not sure to what exactly w/h ratio fields in setformat window 
>> relate - I thought about preset vs canvas size but this does not hold 
>> up in testing ...
> According to the Cin-CV manual:
> http://cinelerra-cv.wikidot.com/cincv-manual-en:project-attributes#toc4
>     *W Ratio, H Ratio*
>     Sets the ratio of the new canvas size (W, H) to the old (previous)
>     canvas size (W, H). The new canvas size is recalculated based upon
>     a certain factor in the W Ratio, H Ratio fields. A practical
>     use-case: The current resolution is 640x480, and for some reason
>     you want it to be 1.33 times wider. You don't have to calculate
>     what 640x1.33 is; you type 1.33 into the "W" input instead, and
>     Cinelerra calculates it for you. This tutorial
>     <https://linuxvideoediting.blogspot.com/2023/08/canvas-w-ratio-h-ratio-cinelerra.html>
>     explores in more detail these settings. It is in Russian but
>     easily translatable with GoogleTranslator, DeepL or similar.
> The latter Tutorial can be translated ......
> https://linuxvideoediting.blogspot.com/2023/08/canvas-w-ratio-h-ratio-cinelerra.html
Excuse me for the parlance used in the refered blogpost.. I was not 
aware it had been mentioned before on our mailinglist...

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