13 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.
  • 231
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.
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 ...
  • 13.5k
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 ...
  • 2,279
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 ...
  • 30.7k
6 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 ...
  • 30.7k
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 ...
  • 7,169
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 ...
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, ...
  • 2,650
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 ...
  • 145
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 ...
  • 5,392
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/
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 ...
  • 13.5k
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
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 ...
  • 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 ...
  • 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 ...
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. ...
  • 5,392
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. ...
  • 847
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 ...
  • 19.2k
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 ...
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 ...
  • 297
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.
  • 297
3 votes

Windows - Easy to use video editor

If you want to save time and learning efforts, and you can live with limited control over the end result, you may want to have a look at: muvee Reveal Magix Fastcut GoPro Studio Sony Action Cam Movie ...
  • 614
3 votes

VLC Alternative for fine review media with possibly frames control and detailed codec informations

I haven't used VLC as my primary player since 2007. I switched over initially to KMPlayer and then Potplayer. Potplayer allows fairly flexible splitter and codec assignment for decoding. It also ...
  • 30.7k
3 votes
Accepted

Which measurements can I take using which programs to exploit the already low quality and save as much space as possible?

There are a few video quality metrics available for you to use, primarily SSIM and also PSNR. You can use ffmpeg to convert the video and then compare the output. Step 1 Convert the video ffmpeg -i ...
  • 30.7k
3 votes

Best software for homemade YouTube videos

A great choice that works on both Mac and PC is DaVinci Resolve. The Lite version is free, and if you use only the basic features, it is very intuitive and easy to learn, from drag-and-drop media to ...
3 votes
Accepted

How do you dramatically reduce the size of a video while keeping the quality as much as possible?

I'm not familiar with handbrake, but this is basically a math problem. First, you have to decide on a codec. One of the 'best' codecs in regards to quality/filesize-ratio as well as device-...
  • 5,392
3 votes

Software used for Film Colourization

From the youtube video description you linked: The in-house developed and customized cutting edge software tools provide better image quality and colors very close to the original.
  • 19.2k
3 votes

Software that captures and compresses simultaneously

Most consumer video recording software I know compresses on capture. Mpeg and others can be configured for lower quality if you want greater compression, but unless you are recording a plain black ...
  • 2,290

Only top scored, non community-wiki answers of a minimum length are eligible