12 votes

Merge MP4 with M4A

ffmpeg looks promising. Might be worth a shot. Specifically, the command ffmpeg -i video.mp4 -i audio.m4a -acodec copy -vcodec copy output.mp4 should do the trick.
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  • 221
8 votes

Free video editing software

Have a look into the new Blackmagic Davinci Resolve, which includes an NLE and color correction tool. it is free and can output a maximum resolution of 3840x2160.
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7 votes
Accepted

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

You have 10,000 videos that need to have a logo overlayed, subtitles burned in from srt files, and a standard copyright notice attached to the end. Then you need to make three different versions of ...
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  • 13.3k
6 votes

Which would be the best VFX software for an absolute beginner?

In general you can't create visual effects within a single application, because there are too many different departments like: Match moving Keying / Rotoscoping Modeling Texturing Animation ...
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  • 2,259
6 votes
Accepted

App to quickly analyze audio loudness of several video files?

ffmpeg, a free multi-platform command-line tool, can do this. Use the volumedetect and EBUR filters on each of the files ffmpeg -i input.mov -af volumedetect,ebur128 -f null - 2> input.log This ...
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  • 30k
5 votes

Good open source Video Editors?

If you are really adventurous why not give Blender a go? It is a 3D animation and compositing/tracking application. It is completely free and open (FLOSS) as well as being totally system agnostic. Run ...
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5 votes
Accepted

What is good software for video editing under Linux?

There are a lot of answers regarding open source on this answer: Good open source Video Editors? If you specifically target Linux I'd suggest Lightworks or Kdenlive. Lightworks isn't open source yet ...
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  • 7,069
5 votes

Sync separate audio to video+bad-camera-audio, free NLE recommendations

I tried kdenlive, so I'll post my findings about it as an answer. It didn't quite do the job, so I'm not going to mark this as the accepted solution. kdenlive easily imports my clips in mjpeg+pcm, ...
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  • 2,608
5 votes

Free video editing software

First off there would be Lightworks, which is free with some limitations. It's a pure abomination and needs a lot of learning an rethinking if you're used to usual NLE software. Then, what most ...
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  • 145
5 votes
Accepted

Finding the place where a video loops

Try ffmpeg -i video.mp4 -filter_complex "[0]trim=start_frame=0:end_frame=1[c];[c][0]blend=all_mode=difference,blackframe" -f null - As long as the very first frame of the video is not something like ...
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  • 30k
5 votes
Accepted

Creating a one-off non-pro video to document a project - what software would be sensible?

This question gets asked quite frequently, and normally the answer is to pick one from this list. But since you very clearly defined what you are looking for in the editing software, I think I can ...
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  • 5,382
4 votes

Software for video cut automation / scripting

MoviePy looks less intimidating than other scripting languages. It may be easier to script your time tag cutting tool with it. http://zulko.github.io/moviepy/
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4 votes

Visualising geo data on a map

I think this is probably less of a question for video production people as much as it is for Geographic Information Systems (GIS) people. GIS Forum on Stack Exchange While you might be able to find ...
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  • 41
4 votes
Accepted

Post production automated addition of text

You could do this by making subtitles from your data streams and then either playing them back on a media player that can display subtitles, or rendering them into the video. Most subtitle formats ...
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  • 13.3k
4 votes

Free video editing software

Virtualdub is very good software. Maybe it not cover all the requirements. And it's not exactly "visual" managed as the other, but it'd good and very flexible
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4 votes
Accepted

Are these beginner's paid-for programs comparable?

With consumer targeted software, there is less of a standard of how to do things. For professional software, there are pretty standardized workflows that editors follow and so tools are pretty ...
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  • 19.2k
4 votes

What software is used in Hollywood for special effects and video editing

For video editing the Hollywood standard is AVID, however smaller production houses and indie filmmakers tend to use Adobe Premiere. The nice thing about Premiere, in your case, is that it dynamic ...
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  • 799
4 votes

how to burn full hd movies (1080px720p) in DVD

DVD Video is limited to Standard Def, not High Def (HD). Blu-Ray overcomes that limitation. Alternatively you can use the DVD as a filesystem and play arbitrary media using a computer. But as a ...
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4 votes

About Video Formats and prevention of download of videos

If you don't want your stuff to be stolen, don't put it on the internet People need to be able to watch your video on their computers. For that purpose, it needs to be downloaded to their computers. ...
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  • 5,382
4 votes

Creating a video from a text and an audio file

The Amara website offers a free service that accepts audio and text files, synchronizes them, and lets you download a .srt file (synchronized SubTitle). Source of suggestion: Photography TutsPlus. ...
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  • 827
3 votes

Smoothcam filter vs Warp Stabilizer

After Effects, especially with Mocha, has the most advanced motion tracking and stabilization capabilities of these 3 options, but they are also the most complicated to use if you want the best ...
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  • 19.2k
3 votes

What kind of video encoder can do this? Blend multiple video frames together live

While there are video encoders that do this kind of thing, most commonly this is the work of a video switcher or mixer. A video switcher is a device used for mixing live video from multiple sources. ...
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  • 19.2k
3 votes
Accepted

A way to create a moving graphic annotation

That is usually called "tracking" and there are several tools available to do that. Many that are stand alone and export the data to be used in other software aswell as complete editing suites that ...
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  • 7,069
3 votes

How do I turn audio into video (that is, show the waveforms in a video)?

After reading the great answer from LordNeckbeard I went on created a small script to make a visualization with ffmpeg and the showspectrum filter. I also added an upload option for myself to encode ...
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3 votes

Are there any good video editing programs with a command line interface?

While ffmpeg has editing capabilities it is not specifically designed for editing, and it does not work like an NLE; it takes input(s) and produces output(s), instead of doing non-destructive edits on ...
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  • 13.3k
3 votes

Professional text animation software

Adobe After Effects is probably the most common application for creating motion graphics. There are plenty of books and tutorials out there to get your started.
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  • 31
3 votes

How to convert a .m4v video/audio file to .mp4 on Windows-7, for free

Somewhat of an duplicate of: Can I manually change an .mp4 to .m4v by changing the extension in the Finder (mac) or explorer (win)? MP4 and M4V are essentially the exact same thing, M4V is usually ...
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  • 7,069
3 votes

What is good software for video editing under Linux?

Blender has video editing options, and of course, it is free. Check it out.
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  • 297
3 votes
Accepted

What is good software for camera recording under Linux?

I was going to recommend Kino which is the one I used when I needed to do that, but according to their web page the project is no longer mantained, so you can either use it the way it is or try the ...
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  • 297
3 votes

How can I record audio & video synced with another audio file?

You are over thinking it. Edit a quick beep in before the audio starts on the song, play the song aloud while you are recording the drums. Hit one of your drums so that you can see and hear it ...
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  • 19.2k

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