7
votes
Is it possible to export a Video with transparent Background? (No Image Sequences!)
Production codecs with alpha channel support
Apple ProRes 4444 / Apple ProRes 4444 XQ
From the Manual:
Apple ProRes 4444 and Apple ProRes 4444 XQ are ideal for the exchange of motion graphics ...
- 2,314
5
votes
Make white background in MP4 movie transparent
The MP4 format doesn't support an Alpha channel. The question you've asked is very broad, and I've tried to answer to a certain extent below. However you may need to decide what route you're going ...
- 368
4
votes
Accepted
Is it possible to export a Video with transparent Background? (No Image Sequences!)
File > Add to Render Queue > Output mode > Format 'Quicktime' / Channels 'RGB + Alpha'
See if that works for you!
- 116
3
votes
Is it possible to export a Video with transparent Background? (No Image Sequences!)
Yes, for the Quicktime output module, choose to output RGB + Alpha using PNG or Animation codec.
In Media Encoder, choose Depth as 32 Bit after selecting the same codecs as above.
- 32.6k
3
votes
Accepted
Create Alpha channel-Videos (obs stinger compatible) with ffmpeg and 2 files
The alphaextract/alphamerge filters are meant for this.
Since your alpha reference is already greyscale, we only need the alphamerge filter
ffmpeg -i main.mp4 -i alpha.mp4 -filter_complex [0][1]...
- 32.6k
2
votes
Accepted
ffmpeg fade to specific color values over time
The lut filter expressions don't work with time. geq does.
geq=r='(1-0.7*min((T-S)/D,1))*p(X,Y)':g={the same as r}:b={the same}:enable='gte(t,S)'
S should be your start time in second. D is duration ...
- 32.6k
2
votes
Accepted
Creating transparent video from transparent png files using ffmpeg
You have to specify the pixel format, to force it to include the alpha channel, using the -pix_fmt option. You don't need to use png as your video codec either.
ffmpeg -i anim.%04d.png -r 30 -pix_fmt ...
- 13.7k
1
vote
KDenlive, image sequence, and transparency/alpha/opacity of fades
Well, discovered this almost by accident - but it turns out, to preserve the alpha gradual fades, you MUST add Composite and transform: Composition track: automatic; Compositing: Alpha blend, for the ...
- 141
1
vote
Accepted
Suitable alternative to Quicktime RLE for alpha-containing non-cartoon videos?
ProRes 4444 is the go-to for compressed encoding if you want alpha, and you’re doing the encoding on a Mac. It’s not exactly lightweight in terms of file size, but it’s optimized for playback on Mac ...
- 4,444
1
vote
Using a video as alpha mask for another on Davinci Resolve
You can simply add it to Fusion, and then pipe the alpha video into a MatteControl node. Alternatively, if your image does not have an alpha, but is just black to white gradients, you have to first go ...
- 1,071
1
vote
Accepted
ffmpeg prores alpha channel not present when colormatrix and colorspace operations are performed
The colorspace and colormatrix filters don't handle alpha pixel formats, so those get stripped off. The workaround is to extract the alpha and then reattach it.
ffmpeg -f image2 -framerate 24.0 -i ...
- 32.6k
1
vote
Accepted
Using brush tool for alpha channels/rotoscoping in after-effects
The thing about masks is that you don't have to do them on every frame. To quickly do rotoscoping you let the computer do as much of the work as it can, by interpolating wherever possible.
To mask ...
- 13.7k
1
vote
What is the difference between RGB and RGB + Alpha?
The alpha channel is a grayscale 2D image plane of the same size as the RGB image, and is used when overlaying (or blending) the image on top of another image. If the value of an alpha pixel is zero, ...
- 32.6k
1
vote
Accepted
Is it possible to mask out unsharp areas of footage with After Effects?
As you may know from 3d packages depth information can be represented by a 2d Depth Map:
In therory it's possible to detect the defocused area of an image via depth estimation methods and generating ...
- 2,314
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