[Cin] possible alpha bug in processing

[Andrew Randrianasulu]

чт, 17 нояб. 2022 г., 20:41 Phyllis Smith via Cin <
cin at lists.cinelerra-gg.org>:

> Just to be very clear, applying the 1/2 and 2/2 EXPERIMENTAL patches named
> here:
>    0001-EXPERIMENTAL-better-fix-for-nested-edl-load-undo.patch
>    0002-EXPERIMENTAL-fix-speed-of-normal-video-playback.patch
> attached to this archived email below are the correct patches that
> IgorBeghetto has tested and has found no problems with, is the correct set
> to add to GIT as he suggested?
>



I think those patches only tested by me so far ...


can you see crash I tried to describe? (I hit it while trying to
investigate nested alpha bug)

>     https://www.mail-archive.com/cin@lists.cinelerra-gg.org/msg05142.html
>
> IgorBeghetto (and Charlie) are the *Alpha Kings of CinGG!*
>
>
> On Thu, Nov 17, 2022 at 1:50 AM Igor BEGHETTO via Cin <
> cin at lists.cinelerra-gg.org> wrote:
>
>> I think patch's Andrew would solve MantisBT_0000558 issue
>> (https://www.cinelerra-gg.org/bugtracker/view.php?id=558) but I didn't
>> try.
>> I will try next week end to make a build and doing some tests, I hope.
>> Meanwhile other users could test their old Project with to see if the
>> patch creates other problems.
>> Phyllis could create a commit in GIT only for that patch so, if
>> something goes wrong, we can go back easily, or at least, it is what I
>> think.
>>
>> IgorBeg
>>
>>
>> Phyllis wrote:
>> > Yes, seems to be a problem, but I have no idea what the repercussions
>> > of the patch would be based on the following in the  release notes for
>> > September 2020 which says in the Bugs/Issues fixed:
>> >   "Alpha is being set to 1 for background color always now – just a
>> > missing thing."
>>
>> Andrew wrote:
>> >
>> https://git.cinelerra-gg.org/git/?p=goodguy/cinelerra.git;a=blobdiff;f=cinelerra-5.1/cinelerra/virtualvconsole.C;h=3c3fb86f5710e15954c927f358210027cb819ed1;hp=193761b6763a61d11b0b85c8edbb4ec658df2b99;hb=abdff69b9309c7d5cd2ed6ce17dd2e0d85aef9a1;hpb=0b751b07a28e84a721b2bb76083db6629aa26d73
>> >
>> > i tried to set alpha to 0 (zero) in virtialvconsole and suddently pngs
>> > and exrs and tgas got their alpha back!
>>
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>>
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