6
votes
How can encode video with images like these (overlay a video over a fixed image) with ffmpeg?
To overlay a half-sized version of a video in the center of an image, use
ffmpeg -loop 1 -i image -i video
-filter_complex "[1]scale=iw/2:-1[ovrl];
[0][ovrl]overlay=(main_w-overlay_w)...
- 31.4k
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
Is Nikon D750 a good choice vs. Canon 5D Mark III for avid Videographer?Edit
You should consider other options than Nikon/Canon. Even if they have proven DSLR can do really good video, thanks to 5D Mark II/III and Magic Lantern, they do not compete well against Panasonic and ...
- 141
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 ...
- 31.4k
3
votes
Is Nikon D750 a good choice vs. Canon 5D Mark III for avid Videographer?Edit
No, the D750 is not a good alternative for an avid videographer, at least not if you want the advantages Magic Lantern offers. ML isn't available for Nikon. The reason has nothing to do with the ...
- 19.3k
2
votes
Is Nikon D750 a good choice vs. Canon 5D Mark III for avid Videographer?Edit
I use Nikon SLRs among a suite of other video cameras for professional corporate videography. The latest full-frame Nikons have proven to be good solutions for a higher-end look. As with all SLRs, ...
2
votes
Is Nikon D750 a good choice vs. Canon 5D Mark III for avid Videographer?Edit
The camera is not the only issue here. If you have Nikon lenses you can get great footage with a D750. I am sending my Sony A7S back to BH because of horrible focus issues in low light. If a scene is ...
- 21
2
votes
Which techniques/filters do improve sensation of speed on a motorcycle?
I agree with my fellow German dude. Lowering the framerate (until 24) can increase the feeling of uncontrolled speed and momentum. If you already did that and didn't get the effect you were looking ...
- 2,635
1
vote
ASS subtitle - Different alignment at block and inner level
If you're familiar with an ass file, you can position your text by using \pos(150,250).
Example:
Dialogue: 0,0:01:00.00,0:01:15.00,Default,,0,0,0,,{\fad(500,500)\pos(150,250)}{\i1}{\b1}Your Text
The ...
- 121
1
vote
What software should I use to replace an LED display in a train carriage?
I would do this using after effects. You need to do a little bit of motion tracking as there is a tiny bit of motion on the camera as the train moves. Find a font that matches the LED display font on ...
- 7,232
1
vote
Which techniques/filters do improve sensation of speed on a motorcycle?
Camera lower to the ground always looks faster
Wider image (this example is very wide)
Sound makes a difference. Watch this example muted and then loud)
Ask all the other drivers to go slow. :-]
- 21
1
vote
Which techniques/filters do improve sensation of speed on a motorcycle?
I think you should consider to lower the frame rate or if possible change shutter angle. 60fps make the footage more crisp and take away the effect you looking for.
https://photography.tutsplus.com/...
- 717
1
vote
How to mute monitors automatically
You should be able to find monitor muting as a default or configurable setup on most radio consoles. Make sure you looking at sound boards that are specifically marketed as radio consoles. Something ...
- 2,406
1
vote
Compact Camera for nighttime live streaming?
You can use old(ish) Android phone to have all-in-one solution or you can use go-pro camera with laptop.
- 11
1
vote
Capturing speech audio and video with a smartphone?
Were I work we used an iPhone 7 and a Samsung S8+ for an experimental web series to capture video. The result was awesome, specially when you use stuff like the DJI Osmo Mobile 2 Smartphone Gimbal. (...
- 111
1
vote
Multi-source, picture-in-picture live stream
Like @screaming-drills say's: this can be done with softwares like Wirecast and OBS.
You could also get very expensive hardware to do the same eg. from Blackmagic Design, I would however look at the ...
- 226
1
vote
Multi-source, picture-in-picture live stream
Investigate some of the software switcher products such as "V-Mix". Or some of the computer-based integrated products like NewTek "TriCaster". They will handle many more inputs than even the large (...
- 686
1
vote
What are the pros and cons of the Microsoft Surface Pro 4 for video editing?
As you mentioned, mobility would be your biggest pro by far. With the Surface Pro with highest specs (as you mentioned), you'll get a very competitive machine. The biggest thing you'll be missing (...
- 829
1
vote
Sharpen DV footage after upscale to HDV
Since you're scaling 2x or more, your best bet is to upscale the DV again using Avisynth with the nnedi rpow2 filter, then scale, if necessary, to HDV.
(With some tangible details, I can provide an ...
- 31.4k
1
vote
What would be a good video editing computer?
Yes, it's powerful enough, even to edit features ... as long as:
you use low-resolution proxies (copies) for long projects.
you edit from an external drive with USB3 or better and not from your ...
- 686
1
vote
How can I find camcorders with high quality like Nikon D3100 but without its time limit?
If you are a fan of DSLRs, Canon cameras have modified firmwares where you can automatically restart the recording on a new file once you reached the limit. Check for ML ;)
Obviously what you will do ...
- 1,494
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