Alpha Vid Support

for Apple ProRes 4444
32 Replies
Zandy
Zandy11mo ago
oops ...nevermind found a converter that should work with prores and MOV files Arg webm does not work @andybak is there a specific setting required on export? Alpha and color? Just alpha? ended up converting prores4444 to webm and exported alpha and color and that usually works with mov files.
andybak
andybak11mo ago
Is this resolved? Not sure I fully understood this.
Zandy
Zandy11mo ago
Not resolved. Converted an alpha mov file to webm and the file doesn’t load into the photos panel for import. Trying to import alpha vid
andybak
andybak11mo ago
Convert in what? Also - screenshot of the settings you used would be handy
Zandy
Zandy11mo ago
I had an alpha file in the form of a mov file created using apple pro res 4444 which is used to create movies with alpha. Have a vid converter for webm, converted the mov file to web m, video would not load into videos folder just a camera icon would show.
andybak
andybak11mo ago
Have a vid converter for webm,
Can you link to it? I can't test this without trying it
Zandy
Zandy11mo ago
DO you want the link to the converter? Its software I got from movavi ...ohhh it was free! https://www.movavi.com/videoconverter/
Online Video Converter – Convert MP4 and More for Free
Ready to say goodbye to all the format fuss? Movavi Video Converter lets you easily convert videos and other media files in a split second.
Zandy
Zandy11mo ago
Do you have an alpha pro res 4444 vid. to test as is?
Zandy
Zandy11mo ago
tested both color and alpha and alpha only with the conversion....same issue
No description
Zandy
Zandy11mo ago
Video was created in apple motion 5 the vid converter was free link above...
andybak
andybak11mo ago
Cool. Do you have a short ProRes sample clip with alpha I can try with it?
Zandy
Zandy11mo ago
Via DM
andybak
andybak11mo ago
Does your Movavi settings UI look the same as this?
No description
andybak
andybak11mo ago
My hunch is that it doesn't support alpha - does it claim to anywhere?
Zandy
Zandy11mo ago
interesting. Is there a converter that you know that does? Would be great if the alpha channels were supported with mov files, especially now that apple is getting in the mix what codec would be for alpha with web m?
Zandy
Zandy11mo ago
yes so since mov files do can they be added for import? I thought OB supports only web m for transparency, if so what codec need to be selected for conversion?
andybak
andybak11mo ago
Stack Overflow
Video with transparency, how to display alpha channel of webm files...
About how to get a transparent background with a webm video via alpha channel, here is one person that says you should encode with VP8 and not VP9. WebM Alpha only displayed in Chrome? And here is
andybak
andybak11mo ago
We're at the mercy of the underlying implementations for this stuff.
Zandy
Zandy11mo ago
ok will have to check if movavi has that codec i understand so vp8
andybak
andybak11mo ago
Just to clarify - the quora link seemed to indicate no codecs that work with mov support alpha
Zandy
Zandy11mo ago
i saw that it said it does...ive used it before no probs
andybak
andybak11mo ago
My takeaway from the stackoverflow was more "it's complicated" anyway - Unity only supports webm - so we're stuck with that
Zandy
Zandy11mo ago
Look at the chat GPT answer
andybak
andybak11mo ago
and i don't know which codecs beyond what that stack overflow answer says
Zandy
Zandy11mo ago
ok. cool thanks for your help will give it another go If web m is supported I should be able to get it to work will try the vp8 codec
andybak
andybak11mo ago
yeah - just not sure that the converter isn't the problem.
andybak
andybak11mo ago
this claims to support webm+alpha: https://www.shutterencoder.com/en/
Shutter Encoder free professional video|audio|image converter
Open source software without any restriction - converter all formats professionals codecs and standards
AncientWorlds
AncientWorlds11mo ago
I think wondershare can do it. Has a trial version claims to be able to. Not sure that I'd use it, changed all my video associations when I had it for a while as a default behavior
andybak
andybak11mo ago
ugh. I hate apps that do that... looks angrily at XCode
AncientWorlds
AncientWorlds11mo ago
Shouldn't be permitted without explicit consent, it's a security hazard imo
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