Skip to main content
2 votes

Why has transport stream (TS) a much bigger file size than mkv?

The short answer: container overhead. MKV (and to a lesser extent, MP4/ISOBMFF) are very "flexible" containers, and basically adapt to whatever you're trying to shove into them, provided the ...
Haachamachama's user avatar
2 votes

How can I slow down my media time stamp in Camtasia 2023 so it is in sync with a slowed down video?

I was trying to do it the hard way. The solution is simply to: create the video and timer running at normal speed export it as an MP4 create a new Camtasia project and add the MP4 to the timeline ...
Mike Stephenson's user avatar
2 votes
Accepted

FFmpeg does not encode chapter titles

Turns out the latest version by BtbN and gyan.dev does have an issue, because the chapters encoded just fine when I used the version 5.1.2 build by gyan.dev. I previously tried using the release ...
Shironats's user avatar
  • 121
2 votes

What does video frames per second mean?

Basic terminology A video is a series of frames. FPS Is a unit of how many of these frames you use every second. Frames Per Second. In this specific case you are using 60. You can use those FPS ...
Rafael's user avatar
  • 1,182
2 votes

How to make sound layers visible on right side of screen in Davinci Resolve

Well, I have found it. For anyone who struggles like me, you have to click "Mixer" button on top right corner
Kagifer's user avatar
  • 31
2 votes

How do I align many images of a specific landmark?

If you've already turned your pictures into a video, you can just use a point tracker in After Effects. The process is rather involved but is the sort of thing you can figure out with a few YouTube ...
Cam's user avatar
  • 186
2 votes

In which order do `-itsscale` and `-itsoffset` apply in my FFmpeg command?

I decided to just try it out with an example video file and then compare the results I'm getting for each command. First, we generate an example 5 seconds video file example.mp4 for testing, counting ...
finefoot's user avatar
  • 141
1 vote

How to remove text from video

The centre of your video is usually the most important part of your image. Any attempt to 'fix' it is going to be more noticeable than fixing something near the edges. I would try Content Aware Fill ...
tomh's user avatar
  • 7,873
1 vote

Search for a text in a video (text is from the images, not the speech)

I found a tool that can run on Linux that does what you want! If you don't have a Raspberry Pi or a Linux PC, you can use a Kali Linux virtual machine inside VirtualBox. Just follow the instructions ...
Logan Colón's user avatar
1 vote

What does video frames per second mean?

Framerate refers to the number of frames (images) per second, as cameras don't record continuously, but in individual discrete periods of time. So the more frames, the smoother your video will look, ...
Topcode's user avatar
  • 111
1 vote

Combine images and draw text on each image with animation xfade

xfade requires two input video streams. You are using only one. It has to fade from a video and into another. Use a black color filter for the other.
The Somberi's user avatar
1 vote

Convert video from webm to mp4 using ffmpeg

That anomalous file likely has been detected (wrongly) to have a high frame rate. Use ffmpeg -i video1.webm -fps_mode passthrough -f mp4 video1.mp4 Your ffmpeg version should be recent i.e. at least ...
Gyan's user avatar
  • 33.3k
1 vote

Is smpte170m Color Space Compatible with 10 bit yuv420p10le? Color Space choice(x265)

Is smpte170m space even compatible with 10 bit such as yuv420p10le? There's no incompatibility - H.265 supports BT601-525 / SMPTE170m tagging. It depends on your player if colours are rendered ...
Gyan's user avatar
  • 33.3k
1 vote

Why is animated SVG not used for streaming cartoons?

There are multiple reasons. Anime and cartoons are not created for the web. They are mostly created for TV and broadcasted there, and TV simply don't support SVG most of the time. Even today, Anime ...
Euklios's user avatar
  • 166
1 vote
Accepted

How can I create a POV scene with no camera movement?

You are correct, the camera is not mounted to the body in that example. Instead, use a tripod or work surface mount to hold you camera in front of you. For modern small cameras, it is easy to ensure ...
Dr Mayhem's user avatar
  • 2,314
1 vote
Accepted

FFmpeg setpts filter produces wrong frame number

setpts filter only retimes frames; it cannot add or drop frames. The MP4 format is configured to require constant frame rate, and so ffmpeg's frame management (vsync) logic gets to work. This looks at ...
Gyan's user avatar
  • 33.3k
1 vote

Is there a way to combine two videos interlaced frame by frame with a single ffmpeg command?

Use the interleave filter. ffmpeg -i video1 -i video2 -filter_complex "[0]settb=AVTB,setpts=N/30/TB[v0];[1]settb=AVTB,setpts=N/30/TB[v1];[v0][v1]interleave=n=2" out.mp4
Gyan's user avatar
  • 33.3k
1 vote

how to extract segment of input.mov, loop an image at the end, and then replace audio with segment of audio file?

In one command: ffmpeg -an -ss 00:00:00.45 -i "input.mov" -loop 1 -t 3 -i "text-image.jpg" -ss 00:05 -i 'song.wav' -filter_complex "[0]setsar=1[v];[1]setsar=1[img];[v][...
Gyan's user avatar
  • 33.3k
1 vote
Accepted

Is Interlaced Scanning compatibile with Dolby Vision

Interlaced scanning is a legacy carried from SDR TV to Full-HD era, and it's long deprecated in the UHD time. So yes, Interlaced scanning will be incompatible with any UHD technology, including Dolby ...
DannyNiu's user avatar
  • 138
1 vote

Trouble combining audio and video streams

I've got same problem yesterday. Solution is first convert them separately to mp4 files and merge audio.mp4 and video.mp4 into one file afterwards.
Firat Yılmaz's user avatar
1 vote

Add an image overlay in front of video using ffmpeg

If you wanna resize the image. ffmpeg -i input.mp4 -i image.png -filter_complex "[1:v]scale=480:854[overlay]; [0:v][overlay]overlay=0:0:enable='between(t,0,20)'" -pix_fmt yuv420p -c:a copy ...
requizm's user avatar
  • 11
1 vote

How to include proof of when a video was made, something that couldn't be be faked at a later date?

Hash the video and publish the hash of the video on any blockchain that is likely to still be there in the future. Later you can prove the video existed at the time its hash was published.
Jeff Erson's user avatar

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