Questions tagged [video-editing]

Questions about video editing software and their related topics, not to be confused with [video-conversion].

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1answer
33 views

How can I split a video into segments of a certain width and height?

Say I have a 256x256 video that's 1 minute long, is there a way I can split it into, say, 16 separate 1m long 64x64 videos for each 64x64 segment of the video? Sorry if this is phrased weirdly.
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11 views

Is there a way for a filter to read frame metadata values?

I have some short videos taken with an old Sony digital camera that had a "spot exposure meter" setting. Videos taken with this setting on (it should be automatically ignored for video, stupid Sony ...
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27 views

Can I use a NAS for video editing?

I'm not sure if this is the right place for this question, but this meta post makes me think it's okay. If not, feel free to direct me to the right stack exchange forum and I'll delete this and be on ...
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1answer
313 views

Davinci Resolve hangs at “Loading Fairlight page”

DaVinci Resolve 16.2 won't start. It hangs at the splash screen showing "Loading Firlight page", although I haven't even installed any of the Fairlight options during Setup. I already have watched a ...
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13 views

Daniel2 codec - not enought RAM after import

I have win7, 10GB RAM, 256GBssd and i7 CPU When I edit videos, I first convert all H.264 to Daniel2 format. This is special codec which allows smooth editing by decreasing weight on CPU. Hovewer, the ...
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1answer
51 views

How to merge three mp4 files with same encoding/codex by Avidemux using command line?

Assume that one has three mp4 files with the same encoding/codex, say file1.mp4, file2.mp4, file3.mp4. How can one merge these files into a single mp4 file, using command line by avidemux?
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16 views

Make square video in VLC or other app [duplicate]

I want to add black borders to the sides of a video taken in portrait on my iphone 8 (regular) to make it square. Is this possible in VLC on a mac? There are lots of apps that do this but they ...
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1answer
46 views

Cross-Merge Many Videos

I have one folder with 30 videos, and another with 4. I want to merge the 30 first video as an intro to the 4, in order to create 120 different videos. In other words, imagine letters are intro videos ...
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162 views

PInnacle Studio 23 stops producing audio, no audio at all

0 I have been using Pinnacle Studio for a while. I recently upgraded to v23 latest version. At the start everything was fine but when PS freezed due to some error (e.g. mkv file playback) the PS ...
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28 views

Advantage of video memory for non-gaming use

So, I finally get a computer where I do not have to juggle the memory. Going from 8 to 32 Gb, I actually have some to spare. Setting up the new computer, I came across the video memory configuration,...
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11 views

Get the volume of an audio track in a video for each seconds [duplicate]

I want to cut my video into pieces based on when I'm not talking. So, I'd like to check when the volume is low for more than 2 seconds for example, get specific timestamps and cut the video using ...
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74 views

Premiere Pro reactive audio wave form?

I have been checking out premiere pro and am baffled to see that there is no reactive audio waveform as shown in the image below. The audio waveform in the timeline in premier stays the same even if ...
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27 views

Simulate higher screen resolution because I want to ZOOM IN later using screen capture software (like Camtasia)

I'm recording tutorials for audio software and I always find myself zooming in on details when editing the screen captures. As a result, the zooming-ini parts have a bad resolution and look blurred. ...
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238 views

How to fix Davinci Resolve not loading full video?

The "Preview Window", if that's what it's called, has been blacked out in the image because it doesn't contain any useful info. DaVinci Resolve (not loading)(?) .mp4 video fully, any idea why, and ...
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1answer
638 views

What is Variable Frame rate?

Variable frame rate (or VFR) is a term in video compression for a feature supported by some container formats which allows for the frame rate to change actively during video playback, or to drop ...
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104 views

how to fetch all video folder from camera roll and disply them tableview swift ios

i want make a simple video player ...and i want get all folder of videos from camera roll and display them tableView and when click on tableview cell fetch all videos of selected folder but i dont ...
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76 views

how to add beat and bass effect in video using ffmpeg command?

i want beat effect on video and i am using ffmpeg command for beat effect i was used this below command for beat effect black and white and original color after 2 sec looping but not this work this ...
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2answers
1k views

How can I tell if a video has a variable frame rate?

How can I tell if a video has a variable frame rate? I don't need to be able to do it programmatically, I just don't want to have to install some program that's hundreds of megabytes; for example, if ...
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0answers
49 views

Why is ffmpeg lossless trimming reducing my bitrate

I'm trying to do a lossless trim of a video to remove a section from the start. I'm running the following command: ffmpeg.exe -noaccurate_seek -ss 00:02:54.6 -i myinput.ts -c copy -map 0 myoutput.ts ...
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1answer
33 views

ffmpeg: unexpected behavior during extraction of frames with specified interval

I need to obtain snapshots from a video with 30 seconds interval. It is recommended in the Internet to use the following command: ffmpeg -i <video_file_path> -vf fps=1/30 <directory>/%...
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1answer
35 views

Use Automator for handling multiple file inputs through shell Cat command in OS X to combine videos

I'm trying to do a similar thing with video files with no luck. Tried: for f in "$@" do cat "$f" > ~/Desktop/Test.mov done When I do this it just puts the last file selected in the file.
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366 views

FFmpeg image slideshow (multiple images) with infinite loop till audio file ends

I want to make an image slideshow (multiple images) with an infinite loop until the audio file ends, and with a full duration audio file. Is there anybody who can help me out.... Earlier I was doing ...
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20 views

Avidemux - audio and video not in sync after appending

I used avidemux to append .mkv files I spliced in avidemux. The codecs are h.265 and 16bit-wav pcm. Where the cuts are in the final video, some of the audio from the first clip will play over the 2nd ...
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0answers
124 views

I-frames not marked as key frames in ffmpeg

I've come across some weird piece of MP4 video, where I-Frames are not marked as Key-Frames. This is messing with my video exporting script (seeking is way off and the video doesn't start at the right ...
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1answer
323 views

kdenlive Clip Opacity

I'm new to kdenlive, and video editing, in general. I'm trying to create a Title Clip with an opaque background and text foreground. I wasn't able to figure out how to change the opacity of imported ...
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15 views

How to increase the timing of each card in Windows Video Editor

I have added 2 title cards in my Windows Video Editor project. When i increase the duration of 1st title card to 7 seconds then it shows the title only for 2 seconds and rest 5 seconds a blank screen ...
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23 views

Save synced mp4 video+audio to new file [duplicate]

I have an .mp4 file with an out of sync audio track. If I open VLC and add 0.5 sec to the audio it syncs perfectly. How can I save this synced version to a new .mp4 file? Either with VLC or with ...
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30 views

Video rendering issue after Windows update

I'm using a GoPro Hero7 Black for making some family and amateur videos, Sometimes I used Quick application for short clips and sometimes I used Davinci Resolve 15 for more complicated things.. ...
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1answer
216 views

Remove first audio track from mkv file

I have an .mkv file with two audio tracks. I want to remove just the first one while keeping the second one, nothing else. I've tried looking around in VLC, but I can't see how this is done.
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1answer
52 views

Premiere CS4 refuses to import MTS File

Working on Adobe Premiere CS4 I'm trying to import *.MTS files. Some websites suggest the format is supported, others don't. When I import the files I receive the message: File Format not supported....
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0answers
220 views

How do I merge videos that have overlapping frames into a video without duplicate frames?

I've nvidia highlights that takes 3 minutes recordings when events happen. If two events happen sooner than 3 minutes then those recorded clips have overlapping frames. I want to take all the clips ...
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1answer
733 views

Extracting frame timestamp (PTS) and seting it as a file name

I have a video file that lasts 9.3s and was recorded at FPS=10. I would like to use FFMPEG in order to extract frames from this video at arbitrary FPS (e.g. FPS=3). Example command: ffmpeg -i input....
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1answer
970 views

How to make a video of two images morphing into each other?

I wanted to make a short video of one image becoming another, in a sort of transformation. I thought that some kind of interpolation could help me so i downloaded ffmpeg. But I don't really now how to ...
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0answers
41 views

How to change brightness on live stream without stopping video using ffmpeg

How to change brightness on live stream without stopping video using ffmpeg. I have send camera input to live and after sometime on live stream i want to add text or change brightness of live stream ...
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1answer
148 views

When required to re-encode video multiple times, is it wisest to use fastest preset until very last re-encode?

If a video requires re-encoding it multiple times with ffmpeg because it needs multiple changes done to it such as crop, resize, convert, compile (concat), convert again, etc... then wouldn't it be ...
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2answers
5k views

Change audio track order in MKV files

I have a bunch of MKV files, that were all made the same way: one video track audio track 1 is english audio track 2 is german Now I want to change the audio track order, so that german is track 1 ...
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0answers
173 views

Timeline Preview does not work on Kdenlive 19

After upgrading to Kdenlive 19 (19.04.0), the timeline preview stopped working. It stops after a few seconds with the first segment changing from red to orange and then back to red. If I start ...
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0answers
59 views

DaVinci resolve fails to load clips on Linux

I've just installed DaVinci resolve 16 on my Linux Mint 18 computer and cannot load any clips. They show up as -1 second long. I have tried .mkv, .mov, .mp4, .flv and a couple of other formats without ...
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1answer
315 views

FFMPEG: 2 FPS video to 30 FPS. How?

I have a 2 FPS video and I would like it to be a 30 FPS with a speed increase of 15. Is this "re-sampling up"? I don't even know how to google the question.
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1answer
2k views

How to stretch a shorter audio track to fit longer video with Audacity

I've demuxed an audio commentary track from a DVD release of a movie. My plan is to mux this commentary track back into a Blu-Ray version of the movie. However, the problem is that the Blu-Ray is 4 ...
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1answer
1k views

FFmpeg - How to zoom in a video

I want to zoom a video into its center using ffmpeg (command line). I tried by using the zoompan filter, but it's using the first frame of the video only. I want the video to be played while zooming ...
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1answer
617 views

Mask Image to Video Frame similar as MV Master

I am new to this video processing concept, i tried to use the video sample downloaded from the link of MV Master. And used ffmpeg to mask images in the video same as MV Master does in their app. I ...
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1answer
35 views

How to properly diagnose computer shutdown when editing video, with no system logs?

This has been a problem for years. When I render or even just edit video (Specifically in DaVinci Resolve, no problem with Premiere) my computer will shut off. This is a Windows 10 machine, and ...
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1answer
57 views

How to combine these two ffmpeg commands into one with two outputs?

I have some tv series recorded and now I want to cut off the parts before and after the series, remove the corner logo and save it in original size as mkv and also in downscaled size for our mobile ...
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0answers
730 views

Video editing software crashes in ntdll.dll

I have tried several different video editing applications, and they all crash either when scrubbing through the timeline or rendering the output video. I have tried many things to stop the crashes, ...
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0answers
513 views

Extend video without re-encoding/encoding/re-compressing/transcoding

I want to change the audio of a video but the audio is longer than the video, when I mux them (ffmpeg -i "audio.m4a" -i "video.webm" -acodec copy -vcodec copy "out.mkv") the video that comes out doesn'...
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0answers
294 views

How to make ultra-sharp video capture of app prototype in Windows for website?

My goal: to achieve this quality as close as possible: http://uimotionkit.io/videos/header/01-Slider-2x.mp4 (this is probably AE) https://static.framer.com/x/frontpage/drawing-video.mp4 (I know this ...
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0answers
2k views

How do I zoom in and save a video using VLC media player?

So I have a video, I click "Video" -> "Zoom" -> "Double", then try to convert it using the video magnify/zoom filter, but it just ends up zoomed in at the top corner, i.e not where it was when ...
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3answers
6k views

How to reverse a clip on kdenlive

I'm using Kdenlive v17.12.3 and am trying to reverse a video clip, i.e. play it backwards. Previously, this could be done via 'clip jobs' in the context menu of the respective clip. But this feature ...
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1answer
307 views

Use ffmpeg to trim off X seconds of a y4m video

I'm trying to trim the first second off some .y4m videos. Using the answer provided here, I am able to trim the first second off a .mp4 video and then play back the output video: ffmpeg -ss 1 -i ...

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