Questions tagged [filter]
The filter tag has no usage guidance.
7
questions
4
votes
1
answer
2k
views
replace black frames with previous frames
I have problematic footage from diving due to my camera/SD card - every 4th or so frame is just black, and I want to replace all those black frames with either an interpolation between the previous ...
- 143
1
vote
3
answers
2k
views
Replace all completely black frames with interpolated frames
Due to a bug with Nvidia Shadowplay, I have a bunch of videos that look like this. A bunch of random frames have been replaced with pure black frames.
I'd like to fix one of these videos to remove ...
13
votes
1
answer
15k
views
What is the ffmpeg filter equivalent of "Automatic levels" for colors?
Looking at the documentation about filters there seems to be a curve filter to manipulate color with the following presets:
color_negative
cross_process
darker
increase_contrast
lighter
...
11
votes
1
answer
13k
views
Similar to "levels adjustment" brightness improvement with ffmpeg
I'm composing a video from set of 16bit tiff pictures. The pictures are very dark, and needs to be brightened. Currently I'm applying -vf "mp=eq2=1.0:1.0:0.3:1.0:1.0:1.0:1.0:1.0"
filter to make ...
5
votes
1
answer
1k
views
Video transitions and filters - how to create custom ones?
I am wondering if there is a possibility to do custom video transitions or filters. Like the video spiraling out, little squares appearing, circling out or something like that. Wiping the video out ...
- 163
2
votes
2
answers
17k
views
How to set pts time format when using ffmpeg filter to add timestamp
I want to add timestamp of current played time to a video, so I use this:
ffmpeg -i video.mkv -filter_complex "drawtext=fontfile=/Library/Fonts/Arial.ttf:
text='timestamp: %{pts \: hms}': x=5:...
- 151
2
votes
1
answer
803
views
Combining two video fields into one (to create an interlaced video)
I have two separate video fields (top.avi and bottom.avi) and I would like to merge them to create an interlaced video.
Is it possible to do this with ffmpeg? (or any other tool for Windows or Linux)
...
- 23