Questions tagged [video-editing]
Questions about video editing software and their related topics, not to be confused with [video-conversion].
482
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Is there an offline Web App for cutting video? [closed]
If I want to cut a video without native software, I go to google and search for "online video cutter". A bunch of great options come up.
The downside is that the video file needs to be ...
- 1,175
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1
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19
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how to combine two ffmpeg commands into one?
I am currently using this command to cut the first 10 seconds of all videos in a folder so the output is the whole video minus first 10 seconds.
FORFILES /M "*.mkv" /c "cmd /c ffmpeg -...
- 1
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34
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FFmpeg reads input from stdin causes warning: thread_queue_size
I have a standalone, customized filter written in python. The filter keep reading from stdin rawvideo and outputs each processed frame as raw bytes. I want to use it for a webcam so data comes from a ...
- 1
2
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1
answer
189
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Cut off from beginning to key frame using FFMPEG
How to cut away a piece at the start of video from beginning to the next key frame?
I know the -ss option
ffmpeg -y -noaccurate_seek -ss 00:00:30 -i "%%~ni.mp4" -avoid_negative_ts make_zero -...
- 742
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82
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How to convert ffmpeg adelay filter to ffmpeg-python
I am trying to learn to convert ffmpeg command line adelay filter to ffmpeg-python format.
This is the ffmpeg command line argument
ffmpeg -i first.mka -i second.mka -i third.mka -i fourth.mka
-...
1
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1
answer
38
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What do we call this line in video editing?
This might be an obvious question but I can't seem to find the answer to it.
What do we call the line highlighted in yellow?
- 13
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41
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Remove a part of MP4 from beginning to the next key frame without reencoding using ffmpeg
I know that it is possible to remove a part of MP4 from one time stamp to another. It is possible to cut even without re-encoding,
but is it possible that ffmpeg finds next key frame from the ...
- 742
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71
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remove shake in video by marking fixed reference points?
I have a video of a mechanical object which was made with a cell phone. Most of the parts of the device in the video are fixed, a few move (a little), and a tripod was not used so the camera itself ...
- 151
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48
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Ffmpeg chunks to final video or final video with HLS
i want to optimize the speed of the ffmpeg video creation.
At the moment:
Creating small videos and concatenating them with xfade and using HLS after all video chunks are made. So it does take time to ...
- 23
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1
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173
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splitting mp4 with ffmpeg does not remove chapters
I created a bunch of mp4 videos from DVD images using handbrake. I need to split them, and this appears to work with the solution from this question FFMPEG Splitting MP4 with Same Quality. For ...
- 121
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348
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Removal of select subtitle tracks and audio tracks from mkv file in batch
My problem is that I have 2 subtitle tracks, one is named "English signs and songs" and another is called "English full". I also have English and Japanese audio tracks (dual audio)....
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57
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ffmpeg. Combine two text with two alpha channels
Is it possible to merge these two instructions into one?
I can't do it even though I read FFmpeg Filters Documentation: Introduction.
ffmpeg -y -i in.mp4 -filter_complex
"split[base][text];
[...
0
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1
answer
164
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FFmpeg. Combine drawtext, fade and afade filters with filter_complex
I have these two codes that work fine, separately
ffmpeg -i in.mp4 -filter_complex "drawtext=fontfile=Lato-Light.ttf:text='TEXT':fontsize=60:fontcolor=white:alpha='if(lt(t,2),0,if(lt(t,4),(t-2)/...
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49
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How to cut and download a part of lengthy youtube video without downloading the whole video to my mac?
I tried many online tool but some of them not working and Some giving error, maybe due to original video length
- 8,632
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52
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Combining video with several audio files
I need to combine several audio files with a video file. Each audio file should have a specific volume, time and delay. Combined as a whole it works fine. The problem arises with the volume of the ...
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11
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Shotcut: create cross fade compilation of a few fragments within one video?
I have an hour long video. I want to create a compilation of a few short fragments from the video, cross fading one into the next. Not in linear order, i.e. a later fragment from the source video may ...
- 806
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88
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How to display instant preview without exporting FFmpeg video?
I am using FFMPEG to generate video from images but the problem is that I can only show the preview of the video after executing FFMPEG command and it’s takes time to generate output.
On terminal I ...
- 101
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148
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How to edit/properly fix a DVD VOB/BUP/IFO file?
Intro
I have a DVDISO file, and opening it doesn't work because my built-in disk mounter can't read it.
So, I open it up with VLC and all looks fine. When booting it up it's supposed to take you to a ...
- 13
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1
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29
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Fade-in turns whole video stream to black
I've adapted the following crossfade from Gyan to create a video from an image and an audio file, and then crossfade it with an outro. This works fine, but I also want to have the first video stream ...
- 10.3k
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1
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45
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How to specify size of color filter dynamically
I've been using the following crossfade from Gyan as part of my workflow for a while, as I've found it to look superior to other crossfade solutions and easy to adapt for different inputs. However, I'...
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1
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12k
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Davinci Resolve does not import MP3 files in media pool
I am trying to add MP3 files to the media pool of Davinci Resolve. I do so by right clicking and choosing "Import Media ..." (Shortcut Ctrl+I). The files are visible and selectable in the ...
- 5,325
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1
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986
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How to step forward/backward a few seconds in DaVinci resolve timeline with a hotkey?
It is possible to step one frame or second in DaVinci Resolve by pressing left/right or shift+left/right. But is it possible to step, say, 5 seconds or 30 seconds?
Maybe you know if it is possible to ...
- 53
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48
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merging 2 editing videos without saving them using ffmpeg
I want to combine 2 videos assume even they are edited among themselves
How normally we do
video 1:
ffmpeg -i 1.mp4 -filter:a "volume=0.0" test1.mp4
video 2:
ffmpeg -i 2.mp4 -filter:a "...
- 1
0
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1
answer
180
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FFMPEG: Images are being loaded wrong at wrong FPS
On my video I am adding multiple overlays, 1 that will always be shown (Overlay/overlay.png) and I got a progress bar in PNGs named 0 to the last frame num.
I tried ffmpeg -i 6875126077795372290.mp4 -...
- 11
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0
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123
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Use time or frame number for still image in FFmpeg filter
I'm trying to do a transition from image a.jpg to image b.jpg using FFmpeg filter. But it seems that FFmpeg won't recognize any time related options for still images, and the frame number I get is ...
- 101
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223
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Image overlay on video between two times using mobile-ffmpeg android
I am trying to add image overlay on video using "mobile-ffmpeg-full-gpl:4.4" library but faced following error
Error when evaluating the expression 'between(t' for enable
I have a class ...
1
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1
answer
62
views
How to add still image before and after a video, for a specific duration
What i have is a list of 80 video files (mp4), 2-5s each, of a person pronouncing a word. For each file, i need to add some amount of silent still face at the beginning and/or and the video.
The way i'...
- 11
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2
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527
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Replace part of a video (without replacing the audio) in ffmpeg
I have a video file that is divided into three different sections. I want to replace the middle part of this video with another clip. However, I still want to keep the audio of the original video. Can ...
- 225
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107
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Why can't I cut a video clip using OpenShot?
I'm trying to adjust the start time and end time of a clip in OpenShot. According to the manual:
OpenShot has many easy ways to adjust the start and end positions of a
clip (otherwise known as ...
- 799
1
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0
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165
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ffmpeg -t frame duration
I want to cut a video using ffmpeg.
I want to use the -t option for that. And did already some testing to get a satisfying comand together.
All I wondering is how carefull I have to be with -t or -to ...
- 11
2
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1
answer
450
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FFmpeg lenscorrection filter creates bad moire patterns
I'm trying to create a barrel distortion effect using FFmpeg. The lenscorrection filter can do this, but depending on the source material the results can be pretty bad, with moire patterns / bad ...
- 51
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0
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33
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Trim video into multiple sections ffmpeg
I need to trim a video into multiple sections of unequal duration and output them as separate files.
For example a .mp4 100 seconds long and I need to extract and keep
output0.mp4 from 5 - 10sec
...
- 121
2
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2
answers
525
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ffmpeg - video and audio out of sync
This seems to be a common problem, but the answers I found don't seem to apply to my situation.
I'm merging 6 videos (one of them is a short background that loops) into 1 output video, and the audio ...
- 133
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1
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129
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ffmpeg - multiple videos in panes, background image - unacceptable rendering speed
In this ongoing saga of me putting together a video, I have one more step I'm trying to add.
My requirements look like this:
In these days of COVID, our choir director is recording a video which is ...
- 133
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1
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49
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ffmpeg - add multiple videos in panes, one master track, give offset start times how?
In these days of COVID, our choir director is recording a video which is the accompaniment, and then each choir member (at home) is listening to the accompaniment in headphones, singing along, and ...
- 133
0
votes
1
answer
181
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ffmpeg - add multiple videos in panes, give offset start times how?
In these days of COVID, our choir director is recording a video which is the accompaniment, and then each choir member (at home) is listening to the accompaniment in headphones, singing along, and ...
- 133
0
votes
1
answer
224
views
Using mkvmerge to Merge Subtitle Tracks
I am looking for a way to merge two MKV files, each with an embedded subtitle track, into one where the subtitle tracks merge properly and in order. Right now I get two separate subtitle tracks, and ...
1
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0
answers
15
views
How do I cut off overflowing audio using Melt?
I am trying to cut away the overflowing audio from a track generated in Melt. The audio is a lot longer than the video, and I don't necessarily know the length of either.
V=Video, A=Audio
VVVVVVV
...
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1
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0
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38
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FFMPEG complex_filter_script adds long trailing blank video
I generated a complex_function_script to concatenate certain clips of an input video at different speeds.
When I start from the beginning of the input video, the output is
mostly correct, but has a ...
- 161
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1
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70
views
Where are GoPro Highlight Tags stored?
I want to extract the (manually set) highlights from my GoPro-footage (HERO6-Black).
I want to do this to mark the highlights on vacation and can use them to edit in Premiere Pro later.
I found that ...
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5
answers
5k
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What are the minimum requirements/specs for ffmpeg?
I am currently using a small software program I made in Python that utilises ffmpeg on my personal laptop that is overqualified to run it (core i7, 16gb ram etc), but I would like to move it over to ...
- 1,876
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246
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how can i add an additonal output to ffmpeg to also pull out a frame for an image after segmenting
this is my command. i need to add something to the end to pull out a vframe every second or specified seconds and save to file. i've see how to do that on its own but not as a second output. i keep ...
0
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1
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51
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CPU or GPU have more influence on video editing experience? [closed]
Which of the following system will brings better video editing experience?
Moderate CPU with Good GPU (dedicated graphic cards)
Good CPU with Moderate GPU (build-in graphics)
In other words, CPU or ...
- 469
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1
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83
views
Delete specific streams from a media file without creating a copy of the media file
The context
I have a file with four streams: 1 video stream, 3 audio streams (see proof below).
$ ffprobe -v quiet -of flat -show_entries stream=codec_type,index:stream_tags=title 'my_input_file.mkv'
...
- 101
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1
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154
views
Can I upgrade RAM with different CAS frequency in my laptop?
I would like to add 16 GB more. Mostly for Video editing on my Asus Laptop. I am not sure if I can go with different CAS latency and frequency. I am noob. Please help me nerds.
current: 8GB
want to ...
0
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1
answer
708
views
Is there way to increase speed of adding subtitles to a video?
Currently I do it this way: ffmpeg -i video.mp4 -vf ass=subs.ass output.mp4.
But with some videos it takes too long.
Is there way to increase speed of that: may be saving output file with lesser ...
- 179
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75
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Adobe Premiere choppy playback but games run smoothly
I have the following specs:
CPU: Ryzen 3 3200G
Mobo: MSI A320M-A Pro
GPU: ASRock RX 570
RAM: 16 Gb (2x8)
SSD: 240 Gb
HDD: 1T
I can play DOTA 2, Tekken 7, GTA V, Valorant, and PUBG in all ultra ...
- 101
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420
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batch remove first 30 seconds of video file with ffmpeg
There are a lot of examples of
ffmpeg -ss [start] -i in.mp4 -t [duration] -c copy out.mp4
But if I want to use that command for a folder with multiple files (ffmpeg ... *.mp4 ...), how can I specify ...
- 3
1
vote
1
answer
913
views
OpenShot: How to export a 1920x800 video in its original resolution?
I'm editing a video using OpenShot that has a resolution of 1920x800, but when I want to export the video (without having cropped it or anything), there is no option to save it in the same resolution. ...
- 63
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1
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260
views
Premiere pro audio amplify not showing up in waveform?
I recorded my audio clips separate to my video and now all of then need a 12 dB boost. So what I did was rather than setting the gain to each clip as I drag I added the gain to the audio track, by ...
- 521