[Cin] Fade black flash

Thu Jun 24 22:03:20 CEST 2021

On Thursday, June 24, 2021, Phyllis Smith via Cin <
cin at lists.cinelerra-gg.org> wrote:

> Here is the demo playing the whole timeline
>     https://streamable.com/v29e38
>

sorry, streamable returns 'address not found' error if I try to follow this
or any other similar link :(

> What I am so worried about this mod is because it probably affects the
> "Overlay Modes" in the Patchbay.
> That is Arithmetic, Logical, Normal, Porter Duff, Graphic -- I do not mind
> testing them but I am not sure that I can do a good job.
>

well... it also probably will add some cpu overhead... may be 'gamma'
plugin can also hide this flashing effect? (looking purely at how changes
named...)

>
> On Thu, Jun 24, 2021 at 1:06 PM Andrew Randrianasulu via Cin <
> cin at lists.cinelerra-gg.org> wrote:
>
>>
>>
>> On Thursday, June 24, 2021, Andrew Randrianasulu <randrianasulu at gmail.com>
>> wrote:
>>
>>>
>>>
>>> On Thursday, June 24, 2021, Phyllis Smith via Cin <
>>> cin at lists.cinelerra-gg.org> wrote:
>>>
>>>> Andrew,
>>>> Also, I downloaded your mp4 and looking at the bottom times on the main
>>>> window towards the right side, you should see problem at:
>>>> 0:00:04:01 and 0:00:25:07 IF you loaded the example starting at the
>>>> beginning of the timeline.
>>>>
>>>>
>>>> you mean by deleting part of timeline just before first title plugin?
>>>
>>> I can't see flash in this demo, even if in Youtube video at 0.25 speed I
>>> clearly can see it (
>>>
>>> I also tried to check and uncheck 'play every frame' - but  still bug
>>> not surfaced *for me now* even if I think I saw it on my desktop machine...
>>>
>>
>> new demo..
>> https://cloud.mail.ru/public/fBmm/mpXTuszzH
>>
>>
>>
>>
>>
>>
>>>
>>>
>>>
>>>
>>>
>>>>
>>>> When I play yours I do not see it
>>>> playing at that time.  I "think" I see the flash at 0:00:06:2---- but
>>>> the time stamp is cut off in your demo.
>>>>
>>>> On Thu, Jun 24, 2021 at 11:58 AM Andrew Randrianasulu via Cin <
>>>> cin at lists.cinelerra-gg.org> wrote:
>>>>
>>>>> for some reason I can't see bug with X11/xv outputs (I do not have
>>>>> OpenGl in this environment..) and rgb/a-8 or yuv(a) 8 as project's
>>>>> colorformat ??
>>>>>
>>>>> https://cloud.mail.ru/public/4Dcd/s58jmvHYF
>>>>> should give you screenrecord around 9 mb...
>>>>>
>>>>>
>>>>>
>>>>> On Tuesday, March 9, 2021, Camille Harang via Cin <
>>>>> cin at lists.cinelerra-gg.org> wrote:
>>>>>
>>>>>> I've attached the editing file along with the PNGs.
>>>>>>
>>>>>> Camille.
>>>>>>
>>>>>>
>>>>>> Le 09/03/2021 à 01:41, Sam via Cin a écrit :
>>>>>>
>>>>>> Camille,
>>>>>>
>>>>>> I vaguely remember such a similar case, but it was a very long time
>>>>>> ago, hence this old work around with the fade line.
>>>>>> However, after trying to reproduce this problem currently, I have not
>>>>>> succeeded. It runs fine every time, just like Phyllis, without the problem
>>>>>> you describe.
>>>>>>
>>>>>> My question to you. Which Cinelerra version are you using? Can you
>>>>>> show a screenshot or short video of your timeline scenario and what
>>>>>> parameters are set on your end so we can better reproduce the error? Maybe
>>>>>> we missed a setting you are doing and with an exact match of the setting we
>>>>>> can reproduce this issue. Thanks in advance.
>>>>>>
>>>>>> Sam
>>>>>>
>>>>>>
>>>>>> Am 09.03.21 um 00:48 schrieb Phyllis Smith via Cin:
>>>>>>
>>>>>> Camille,
>>>>>> Honestly, I never see a flash and I have tried several variations
>>>>>> based on your description with the "fade in text parameter" being the
>>>>>> easiest.  I did do a recording of it and planned to show that but the
>>>>>> recording does not do a precise capture job so you can not tell it is
>>>>>> working correctly.  There was no flash when playing at normal speed and
>>>>>> then I tried single stepping and still no flash.
>>>>>>
>>>>>> Andrea,
>>>>>> I will try attaching a screenshot of how to set this up easily with
>>>>>> the hopes that you can try that.  Basically, I just created about 3 seconds
>>>>>> of nothing and added a Title plugin making sure to set the Fade parameter
>>>>>> on the Title menu to 3.0 seconds (I use the reset button first to make sure
>>>>>> there are no leftover weird settings).
>>>>>>
>>>>>> On Mon, Mar 8, 2021 at 8:22 AM Camille Harang via Cin <
>>>>>> cin at lists.cinelerra-gg.org> wrote:
>>>>>>
>>>>>>> Hi Sam, thanks for your reply, yes the fade line works, however it's
>>>>>>> not suitable for what I want to do, I want to fade many snippets of text
>>>>>>> and transparent PNGs on the same track, with always the same video
>>>>>>> transition filter set to the same duration. Otherwise it's too complicated
>>>>>>> to combine them on two tracks and adjust manually the fade curve for each.
>>>>>>> I posted the example of fade in text parameter as it's simpler than
>>>>>>> transition do explain, but it produces the same "black flash" bug.
>>>>>>>
>>>>>>> Thank you,
>>>>>>>
>>>>>>> Camille.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>> Cin mailing list
>>>>> Cin at lists.cinelerra-gg.org
>>>>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>>>>>
>>>> --
>> Cin mailing list
>> Cin at lists.cinelerra-gg.org
>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>>
>
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