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Questions tagged [ffmpeg-filters]

Used for question that need help with FFmpeg's filters (i.e. a parameter specified by the -filter, -vf and -af options)

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0 answers
52 views

transition circleclose is not working in FFMPEG

wanted to add circleclose transition to 2 videos while adding. transition effect is not coming. What is the issue in below FFMPEG command? ffmpeg -i D:/development/copy/...
D.B.'s user avatar
  • 121
0 votes
0 answers
27 views

To make 'trim' and 'atrim' work synchronously

The following command trims a video using the trim video filter: ffmpeg -y -i input.mp4 -vf "trim='00\:00\:05':'00\:00\:10',setpts=PTS-STARTPTS" output.mp4 But if the video also contains ...
jsx97's user avatar
  • 71
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0 answers
30 views

Some mp4 files converted with ffmpeg are off by .01 frames/second, how can I fix this (without resampling)

I have several mp4 files with a frame rate of 119.88 frames/second, I need to convert these to 29.97 frames/second without resampling. To do this, I ran ffmpeg -itsscale 4 -i input.mp4 -c copy ...
twilightecologist's user avatar
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0 answers
37 views

Use cropdetect to check blanking errors

cropdetect outputs the crop area for every frame. I would like cropdetect with either ffprobe or ffmpeg to output only the frame where the crop is less than actual size of the video. So for 1920x1080 ...
moi's user avatar
  • 291
0 votes
1 answer
91 views

Ffmpeg LUFS Loudnorm normalization results

I use the Loundnorm filter in Ffmpeg to normalize LUFS in a folder containing three audios, Music1.mp3, Music2.mp3 and Music3.mp3 using the double-pass method. The LUFS and True Peak values are the ...
Clamarc's user avatar
  • 663
0 votes
0 answers
47 views

ffmpeg: Apply an expression to dynamically control intensity of lowpass, highpass, aphaser, or aecho

I'm fading in and out two sources, intertwined in the output. Now I want to apply lowpass, highpass, aphaser, and/or aecho to the transitions using a time-based expr. I've already succeeded using the ...
Wes Modes's user avatar
  • 171
0 votes
1 answer
74 views

cut the video at certain time and add another video at end , repeat this whole process for full video and make every video has seperate video parts

I have two videos. If one video length is 42 minutes 35 seconds and another video length is 46 seconds, now I need to add this 46 second video after every three minutes 50 seconds so that the added ...
Jaga G's user avatar
  • 11
0 votes
1 answer
108 views

FFmpeg image swipe animation

I want to animate with ffmpeg as in the picture. The animation must be 3 seconds long. Zoom in for 0.5 seconds at the beginning of the video Swipe left for 1 second Swipe right for 1 second Zoom out ...
zetrabit's user avatar
1 vote
0 answers
37 views

Can anyone help e with FFMPEG on Centos 7

I have a script that requires FFMPEG but I cant seem to get it working on my Centos 7 server the script gives the following error: ffmpeg version 2.8.15 Copyright (c) 2000-2018 the FFmpeg developers ...
Nick Eyre's user avatar
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0 answers
66 views

How to run ffmpeg with hardware encoding when using --filter_complex to hardcode subtitles?

I'm converting MKV files and hardcoding subtitles into MP4 format. I have over 100 files and want to speed the process up by enabling hardware encoding. I am able to hardware encode without hardcoding ...
user2006141's user avatar
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0 answers
65 views

Ffmpeg - Generate loudnorm conversion log file

I have a bat file that reads several audio files in the "µudios LUFS" folder and performs LUFS normalization by copying the files to the "Normalized µudios Lufs" folder. I'm trying ...
Clamarc's user avatar
  • 663
0 votes
0 answers
76 views

how to use ffmpeg to small size file .ts

How do I ensure that .ts files are no larger than 1024Kbps..? I use this code ffmpeg -i https://bitmovin-a.akamaihd.net/content/MI20192708/master.m3u8 -c:v libx264 -preset medium -crf 23 -c:a aac -b:a ...
horasjey's user avatar
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0 answers
1k views

How to convert heic format to jpeg format

The ffmpeg master branch already supports the heic format. How do I pass parameters using the ffmpeg command to convert heic images to jpeg images of other resolutions? ffmpeg -i test.heic output.jpg, ...
zejia lin's user avatar
0 votes
2 answers
80 views

Creation of black half size frame in the middle of a split video stream results in an FFmpeg error

The error was raised against the creation of black half size frame in the middle of a split video stream. The purpose of this script is to shift the dual fisheye images up by 20 pixels. This file ...
CANJMP's user avatar
  • 23
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0 answers
48 views

FFmpeg scale filter unexpectedly adds padding

I'm using FFmpeg to transcode and shrink some videos to AV1 using the scale filter and AMD's hardware encoder, available in FFmpeg as av1_amf. Usually it works fine, but now I've run into a video ...
TigerhawkT3's user avatar

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