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And for me to add a blank fill?
– Tiago Ferezin
Commented Apr 9, 2019 at 15:36
1

oh sorry, Fill with another color instead of black, as example
– Tiago Ferezin
Commented Apr 9, 2019 at 18:58
3

@TiagoFerezin Ah, yes. Easy to do. In the examples that use the pad filter you can add the color option, such as pad=1280:720:(ow-iw)/2:(oh-ih)/2:color=red (or you can use the hexadecimal if you prefer). See list of colors.
– llogan
Commented Apr 9, 2019 at 19:01
2

What does the eval=frame do, exactly?
– ggrelet
Commented Oct 22, 2020 at 17:24
2

@ggrelet It makes scale filter take a look at each frame. Otherwise it will assume all frames have the same width x height as the initial frame. You can read more details in the scale filter documentation.
– llogan
Commented Oct 22, 2020 at 17:39

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Correct minor typos or mistakes
Clarify meaning without changing it
Add related resources or links
Always respect the author’s intent
Don’t use edits to reply to the author

create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)
<https://example.com>
[example](https://example.com)
<a href="https://example.com">example</a>

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