Questions tagged [video]
Video is the technology of electronically manipulating still images that represent motion.
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Converting videos taken by D5100 for a Youtube upload
What is the best way to compress a video shot by my Nikon D5100 so it can be easily uploaded to Youtube?
I have a video of around 600MB, I tried converting using Xilisoft video converter but without ...
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Lighting for shooting a presentation
I need to record a presentation at a conference.
I did it last year and the lighting was so low it was unusable.
i want to come prepared this year, so i need advice on proper lighting.
The subject ...
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Create a Time Lapse Video with Adobe Premiere
I have a video clip that is one hour long and I would like to compress it down to 60 seconds. Anyone know the easiest way to do this with Premiere?
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Exported MOV from Flash Pro with alpha channel doesn't retain transparency
I have an animation I've exported from Flash Pro CS6 as a MOV file with an alpha channel (ignore stage), and I want to do some editing in AE CS6. When I go to import the MOV as Strait-Unmatted, I do ...
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Encoding 1080p for DVD - Pr 5.5
When I encode my 1080 sequence using the MPEG2-DVD preset I get a slight letterbox effect on either side of the frame. Does anybody know if there is any way around that, or if that is just-the-way-it-...
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Halogen brightness for video
I'm trying to get an idea of the brightness of halogen lights before I go and buy any. I'm going to be producing a music video and for some indoor scenes I'll need lighting. I'm on a small budget ...
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Recording a gaming console onto my computer from my TV
So I have a TV with two types of inputs. Composite (just mono), and coaxial - yes it's a pretty old TV. I play a video game that I want to record some matches of onto my laptop so I can edit the clips ...
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How to make sound layers visible on right side of screen in Davinci Resolve
I have used Davinci in Windows but I'm new on mac. So I would like to learn how to display sound bus, layer visualization bigger. I've tried to show which I meant in attached image.
Thanks.
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Deciding on backdrop for making YouTube videos
I am new to recording videos. My room is cluttery and I want to hide all that clutter under a backdrop. I have watched some videos on YouTube but I am still not sure of what I need. From the videos I ...
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How to change Background color in a Video? SOFTWARES: Filmora or Adobe Premier pro
I have a little video animation. I want to change the backgroud color (Part of built-in Video) from black to white throughout the whole video without disturbing the main focused logo (RED logo).
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After Effects: How to do Organic Contraction effect
I've seen this effect in a lot of videos, you can take a look here:
video link
Which key word identifies this contraction movement effect? Or how can we do that?
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Issue after importing video in Premiere
I imported some videos in Premiere Pro (MOV format, captured with iPhone), but after adding them to the timeline, they start to have issues, like video and sound not sync, and videos that repeat ...
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Loop images until the audio ends
I have an audio file 2 hours long and 30 still images related to the audio. I would like to display each image consecutively for about 45 seconds while the audio is playing in a repeating fashion. ...
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Is 8 Bit 4:2:0 chroma subsampling "good enough" for chroma key?
My school bought a Panasonic 4K camcorder (which I don't remember exactly which model) pointed at a green screen and this got me thinking.
If it's a HC-X1000 with it's tiny sized sensor and 8 Bit 4:2:...
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Use ffmpeg to create a split screen video out of 5 videos- 4 videos in landscape one in portrait
I'm trying to create a series of split screen videos for students to work on remotely using ffmpeg. I need to create an ffmpeg split screen "template" for 5 videos, 1 in portrait and the other 4 in ...
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Combining a video and a masking video
We have recieved 2 video files:
the video with the main character dancing in the middle
an identical file in terms of the animation but the main character is in red, whilst everything else is black.
...
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Can ffmpeg downsample pixels perfectly?
I've tried all the swsflags options and figure the answer is no, but it can't hurt to ask just in case. For example: downsample from 1920x1080 to 960x540, then upsample back to 1080 using the ...
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Why to use lower case "1080p" and "1080i" but not capital "1080P" and "1080I"?
I'm curious about why we mostly use and see "1080p" and "1080i" over "1080P" and "1080I"? (and the same on 720/480/360) Does anybody know any professional reason of that?
I've seen some capital ones, ...
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Sony FS5 border artifacts
I've got a problem with trying to key the green color with some footage I shot with a Sony FS5. The main object in the frame has some kind of white/light grey border around it which makes it very hard ...
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How to prevent frame smoothing (i.e. get really sharp frame images) when making a video with ffmpeg?
I have been digging around here and on the ffmpeg site trying to find some commands to use to generate a movie from a set of images. The command I tried that gives me a video I can watch on my MacBook ...
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Sony Vegas Pro 12 - 4/3 video wrongly considered as 16/9
I am digitalizing Super 8 film with a dedicated Somikon scanner.
It outputs H264 - MPEG-4 AVC films in 4/3 (1440x1080).
When I open these films directly with VLC, there are displayed in 4/3, which is ...
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990
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Defined Technical Specs for 'Broadcast Quality'
Does anyone know if there are clear technical specs a digital file can be assessed against to confirm a valid 'broadcast quality' file?
EG: Video = certain bitrate Audio = certain bitrate.
...
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Closed Captions missing when converting from mp4 to ts
This is a follow-up question from my previous question HERE. I'm trying to convert a caption-embedded .mp4 video into a .ts file, simply changing the container format. But once I convert the video, ...
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FFMPEG No such File or Directory Problem
Help I always get this I dont know why]1
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Concat two MP4 files (side by side) with FFmpeg
I'm trying to concat two videos, side by side, using ffmpeg. One of them is 1280x720, and the other 1920x1080. One will be left, one will be right side. The higher resolution will be resized to the ...
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Keeping sound from underlay video in creating PIP video with ffmpeg
I'm trying to make a video with an overlay video inside (PiP) but I can't get the sound source right, I need the sound from the underlay video but I keep getting the sound from the overlay video.
I ...
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4k
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How to have an overlay move to specific points at specific frames using ffmpeg
The folliwng should basically have an image appear on frame 438, and then the same image move to a different position on frame 339, then basically disappear for the rest of the video.
ffmpeg -i C:\...
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250
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FFMPEG LIBVMAF segmentation fault
I am trying to compare two videos using the libvmaf in ffmpeg 4.0. I have compiled and installed from source VMAF and FFMPEG and FFMPEG has built-in support for libvmaf. That's the ffmpeg ...
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Need culturally sensitive alternatives to standard videography terminology such as "shoot," "shooting," and "shot."
The idea of "shooting" makes some people uncomfortable, so we're trying to change our terminology for a particular client (big 6-month project). We need to come up with appropriate alternatives to use ...
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GoPro Recording Without A Phone Connection
I was just wondering whether one is able to use, operate, and record on a GoPro without connecting to a mobile device or GoPro's mobile applications. Some insight would be greatly appreciated.
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FFmpeg - how to adjust video (clip) duration to sound duration if sound is longer, possible without re-encoding it with mp3 file?
I have a problem. I have recorded my videos separately, and then added sound to it. Sometimes, sound is longer or less in duration compared to video duration. Usually sound is longer, sometimes around ...
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Problematic video file for conversion ffmpeg
I have a video file acquired from Hikvision's NVR connected to IP cameras. The method used to download this video was Hikvision NVR's internal API that produced a flawed video file in several ways:
...
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How to use DJI Ronin MX in adverse weather
Hi has anyone ever used a DJI Ronin MX in the rain? if so how have you protected it?
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How to fade out mp4 audio AND video with FFmpeg?
How to fade out audio AND video in *.mp4 file?
If I try code from this answer:
ffmpeg -i "c:/input.mp4" -filter:v 'fade=in:0:30,fade=out:227:30' -c:v libx264 -crf 22 -preset veryfast -c:a copy "c:/...
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Screen capture at more than 1000 FPS
i would like to know if there is a hardware device, a software that would produce PC screen capture at more than 1000 FPS ?
The highest i could get under Linux with a custom program is around 400 FPS....
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Put creatures moving around in your videos
How the guy making the linked videos might have achieved those effects of creatures appearing behind him?
Here are the two videos I am refering to: see this, or this.
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How to extract frames and saving frame type to filenames with ffmpeg?
I have a research project where I need to apply very, very computationally heavy image filters on a h264 video. Due some restrictions outside my control I have to use proprietary filter that works ...
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What are the pros and cons of a few of Photoshop's video format export options?
I'm outputting a video in Photoshop and there are a wide range of export options with seemingly very few if any blogs or tutorials explaining the pros and cons of the different options. I've ...
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Enhance Video/Audio Quality of Old Movies
I managed to get my hands in a few very old video files (really!) whose quality, audio and video, are not so great. I checked the technical details of the file and this is what I've got.
In overall ...
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capturing video from VHS flickers
I am trying to record all my old VHS tapes. I bought a video grabber, usbtv 4-1.2:1.0: Fushicai USBTV007 Audio-Video Grabber, but somehow that does not work well. I tried using VLC, but that has some ...
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How to change every black pixel to a special color?
I want to extract all video frames as images and change every black (pure black) pixel of the images to a special color. (R=3,G=3,B=3)
I used this command to extract video frames :
ffmpeg -I myVideo....
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Does the GoPro Hero 5 Black have improved video quality over the GoPro Hero 4 Black?
By looking at the specifications of the newly released GoPro Hero 5 and the old GoPro Hero 4, it seems to me that they may be the same since both can record video at 4K@30FPS and take 12MP still ...
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What are the basics of high-speed videography?
I am particularly interested in high-speed videography. Any tips on how to get started, what equipment should I have, understanding about lenses, apertures, what are the laws I need to obey, what ...
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Add border to video, maintaing aspect ratio, and insert subtitles in the border
I have an MKV wrapped 1920x800 video and a sidecar .srt subtitle file. I want to convert the video to 1920 x 1080 and add black border on top and bottom while keeping the original aspect ratio. I also ...
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Set file size limit for video on Canon 5D mark iii
Contrary to what it seems like everyone else is trying to do with their DSLR's, I was wondering if anyone knew how to limit file size for a single recorded file to 2GB instead of the usual rate of 4GB....
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Is there any way we can show live tweets?
Is there any way we can show live tweets ticker as we see on news channels, when projecting any presentation or live video on the screen?
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Canonical Way to Specify Readable text for TV feeds: Pixels?
I was reading an advertizing code which specifies:
""For TV Advertisements the size of the “Supers” shall be of minimum
12 pixel height....."
This got me thinking: If readability / legibility is ...
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Focus in Video vs Focus in Image
This is kind of a weird question, but how does focus in video work? I understand how focus works for single, still images. And, I understand that a video is a sequence of images. However, unlike ...
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YouTube message suggesting wrong compression settings (Wondershare Filmora)
I was wondering if anyone can help me? Whenever I uploaded a video to Youtube. I always get this message…(videos would upload faster if you have the right settings for your video). I think I doing the ...
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Missing video codec in Quicktime
I have a quicktime video recorded on a Atoms Shogun.
When I tried to play the file it is only playing the audio and no video is coming up at all.
Delving deeper, I found out that no codec for the ...