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17 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.
sgryzko's user avatar
  • 271
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 ...
stib's user avatar
  • 13.7k
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 ...
Gyan's user avatar
  • 33.3k
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 ...
MoritzLost's user avatar
  • 5,412
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 ...
Michael Tiemann's user avatar
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. ...
MoritzLost's user avatar
  • 5,412
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. ...
Rob's user avatar
  • 847
3 votes
Accepted

Converting a Video from 1600*1200 to 1920*1080

Using ffmpeg, ffmpeg -i input.mp4 -vf "scale=1920:1080:flags=lanczos,setsar=1" output.mp4 This will stretch the video to 1920x1080. ffmpeg -i input.mp4 -vf "scale=-1:1080:flags=lanczos,setsar=1,pad=...
Gyan's user avatar
  • 33.3k
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 ...
Michael Tiemann's user avatar
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-...
MoritzLost's user avatar
  • 5,412
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.
AJ Henderson's user avatar
  • 19.4k
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 ...
Dr Mayhem's user avatar
  • 2,314
3 votes

SDR to HDR (High Dynamic Range) Converter?

I'd suspect anything purely automated is going to be pretty marginal. There's a lot of complexity to getting a good curve with the right gamma, but there's a variety of possible levels of what would ...
AJ Henderson's user avatar
  • 19.4k
3 votes
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Export multiple clips from one video as separate files

I did it with shotcut. Credit to: https://forum.shotcut.org/t/export-one-track/7503/3 Steps Load video into shotcut click+drag video down to timeline move playhead to desired position & Split at ...
Reed's user avatar
  • 141
3 votes

Is it illegal for me to download DaVinci Resolve 17 just because I don't work for a company?

Yes, it’s ok*, as long as you’re downloading the free version (not the one that says “Studio”) of Resolve and not trying to circumvent their copyright protection. When you download the software, they ...
Jason Conrad's user avatar
  • 4,504
3 votes
Accepted

Convert Warped VR Video to Stereo

If the original “VR video” is not stereoscopic (i.e., monoscopic panorama) and/or does not contain any depth data, then to create stereoscopic video, the second camera angle must be synthesized from ...
Jason Conrad's user avatar
  • 4,504
2 votes

Professional text animation software

I would personally use After Effects, but that's because it's what I have/know. If you don't want to take the purple pill (it's a questionable life decision, let's face it) there's heaps of other ...
stib's user avatar
  • 13.7k
2 votes

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

I created a cross-platform Node.js based CLI tool for making simple video edits. It is more opinionated and limited than mlt, but it aims to have lots of easy to use components and transitions, and ...
Mikael Finstad's user avatar
2 votes

Merge MP4 with M4A

If your output container can handle the relevant codecs, then you can simply copy both audio and video streams using ffmpeg: ffmpeg -i video.mp4 -i audio.m4a -c copy output.mp4
ransur0t's user avatar
2 votes

Good open source Video Editors?

Better than mearly good is AviSynth: http://avisynth.nl/index.php/Main_Page . Basically you write a Script and then open the Script in a Player. The Script can change the input in many ways and there ...
Rob's user avatar
  • 847
2 votes

What is good software for camera recording under Linux?

OBS (Open Broadcaster Software) is multi-platform (OBS is widely used in video game streaming). I haven't tried it yet myself for multiple cameras, but I know it supports at least one (as many ...
Xavier's user avatar
  • 21
2 votes

How can I make videos like Minute physics

He used this: (source: monoprice.com) He probably captured all of that with a plugin for After Effects and just added images and stuff.
Nokdef's user avatar
  • 65
2 votes
Accepted

Motion capture and 3D model formats

You are a little confused in the MoCap process. Most mocap is captured live on either a soundstage or direct to your computer with a webcam/video camera with specialized software. This software ...
mcculleymike's user avatar
2 votes
Accepted

Softwares for GPU accelerated rendering

Adobe's CC suite will use the GPU, but the benefit you see from it depends on the power of your GPU compared to your CPU. This feature set is called the "Mercury Playback Engine" and contains, among ...
snomsnomsnom's user avatar
2 votes
Accepted

UHD video sample in 4:4:4

You can use ffmpeg, a free command-line tool, to generate some synthetic videos in the required size and pixel format: Mandelbrot fractal ffmpeg -f lavfi -i "mandelbrot=s=3840x2160:r=24" -c:v ...
Gyan's user avatar
  • 33.3k
2 votes

Stabilize Video Rotation

Blender has a video stabilization feature based on its camera tracker. Here is a YouTube tutorial on how to use this feature to stabilize a hand-held video:
Michael Tiemann's user avatar
2 votes

Need help finding the right video production software

You could use Davinci Resolve. The free version can do all the things you want. It's a professional software tho, so you'll maybe need to read into it. But you can allways ask here, we can guide you ...
Timothy Lukas H.'s user avatar
2 votes

Which tools are most likely used to create animated video (i.e. corporate commercials)?

I can't be really sure, but most of that can be done using After Effects and a simple screen recording. You record the screen of a phone, put that into after effects, get a picture of a hand and put ...
FoxInFlame's user avatar
2 votes

Batch encode to X265 on the Mac

FFMPEG of course. Being a command line application it can be easily integrate into any batch process no matter how convoluted, with the benefit that you get to learn about the power of the command ...
stib's user avatar
  • 13.7k
2 votes
Accepted

How can I play a file created in OBS?

OBS is a video streaming and recording software, not a video player. You will need either find a video player that will play an .flv file, or switch your settings in OBS to record to a different ...
John Barton's user avatar

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