Questions tagged [command-line]

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Can't apply “fade in” after “fade out” (FFMPEG command line)

I'm debugging the command ffmpeg -i ./input-file.mp3 -af "afade=t=out:st=**5**:d=2" ./output-file But if I try to run a new fadein, after the fadeout, it won't work. The sound doesn't come back. ...
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0answers
63 views

How to generate TSMuxer .meta file with command line?

With the GUI if you open any file it generates the .meta file and you can save it as a file and pass on for the batch scripts, etc. It looks something like this MUXOPT --no-pcr-on-video-pid --new-...
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0answers
131 views

How to delete the very last frame of a video using ffmpeg / mencoder / transcode or any other?

I am trying to delete the very last frame of a video using ffmpeg / mencoder / transcode / or any other free linux application. Here is what I have so far, and it's only extracting it, it's not ...
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1answer
476 views

FFMPEG - How can I add black bars to top and bottom of my video?

I have about 100 videos. I would like to add a 30 pixel horizontal black bar to the top and bottom of each video without ruining the dimenions(so even if they go over the video). How can I achieve ...
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1answer
34 views

“shift +” while rendering in ffmpeg, how to undo?

I was rendering a video in ffmpeg and accidentally pressed "shift" and "+", and the below started happening. What is this doing and how do I stop it and is it creating something I need to delete or ...
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1answer
231 views

How to use MELT or FFMPEG for layering of a video (i.e. shifting an overlay of the same video by one frame to remove flicerking from LEDs)?

I am looking for a possibility to remove the flickering from LEDs on a video under Linux on the commandline. To do that one would have to Put the video on one track Put the same video on a second ...
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1answer
209 views

FFMPEG Command Works, then stops

When I use ffmpeg with this command: $ ffmpeg -i ~/Desktop/The_Karate_Kid_2010.mkv -c:v libx264 -c:a libfdk_aac -c:s mov_text ~/Desktop/The_Karate_Kid_2010.mp4 It works, until this error appears: ...
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1answer
493 views

What are the benefits of a CLI encoder (e.g. FFmpeg) over GUI Software? [closed]

I have seen here a lot of questions regarding FFmpeg, but I didn't know it was a command line application until yesterday. If we have GUI software like Final Cut Pro and Premiere Pro? Apart from the ...
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1answer
2k views

ffmpeg concat error

I am trying to concatenate two video files using ffmpeg, and am receiving and error. Two eliminate compatibility issues between the two videos, I am been concatenating the same video with itself, and ...
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1answer
1k views

ffmpeg multiple filters not working

I am trying to specify multiple filters for ffmpeg and I am getting an error output. I am trying to do an audio and video fade in and a resolution scale. my command is as follows... ffmpeg -i 00021....
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218 views

Is there command line software that syncs two audio tracks

I have a bunch of separately recorded audio and video tracks that I need to sync. By sync (synch?) I mean align the two tracks so that the audio matches as closely as possible. The two tracks are ...