Questions tagged [video]
Video is the technology of electronically manipulating still images that represent motion.
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VHS to digital, flickering, lack of video and good sound
I'm trying to convert some VHS videos into digital.
To do so, I got the VGB100 from August and connected it to the VHS player and to my computer.
I've used two applications to capture video:
Arcsoft ...
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Trying to reproduce a slow shutter speed effect using a gopro
Is there a way in post to simulate the effect of a slow shutterspeed shot that leaves trails behind bright things in the shot that are moving. I was thinking if I recorded something at a high frame ...
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Graphics card and video codecs: are colors stored in a linear scale?
Is this saying correct ?
The graphics card and most video codecs store colors in a linear scale.
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extracting keyframes from damaged video file
if I have a video file that is in .mov format, but the header has been overwritten, is there a way to scan the file to find the keyframes and somehow extract them?
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H.264 on analog camera
Years ago I bought Vitamin D Video software for videosurveillance, which doesn' support H.264, but only mpeg-4.
Currently I'm using two cheap analog cameras (RCA, PAL) connected to pc through 1 usb ...
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Attach a video to a static image?
Well, its not my area and i am a little bit scrappy with this.
So we have this little device , that we want to show how a real human hand stick to some different places .(for example door,window,gate ,...
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ffmpeg trying to convert AVI to MP4 but not playing
I'm trying to convert a video file from AVI to MP4 but it doesn't seem to play, my code:
exec("ffmpeg -i ".$video." -c:v libx264 -pix_fmt yuv420p -movflags faststart ".$withoutExt.".mp4")
Even plain ...
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Premiere Pro CC export produces dark, muddied video
I've dug around numerous forums and have had no success finding a solution to my issue - .mp4 files color corrected in Premiere and exported in H.264 end up being unacceptably dark, the colors crushed....
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How can I record audio with the USB mic and record with the camera without having to sync them?
I want to start making some YouTube videos, but I want to work with what I have for the moment, to see how it goes and learn using them for a while.
So I have a Behringer C1-U microphone and a ...
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Color is being processed strangely after uploading to YouTube
After uploading to YouTube, the green in my video is being processed with a weird tint (like a sea foam green). In the image below, I'm hoping for the blueish/green color on the left, but that color ...
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Easy way to take 1s clips from video every 60s and join them all together?
Pretty much what the title says: I have a couple of video files and would like to extract one second intervals every sixty seconds or so, i.e. extract the clips
00:59 - 01:00
01:59 - 02:00
etc.
...
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how to measure bitrate of video over time
Given an encoded video file with non-constant bitrate, how would one analyze the bitrate over time? So far I found one old program that produces a bitrate plot, but none that can give the raw data of ...
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How to prevent users from downloading videos?
We want to provide VOD service via http/https, but we dont want users download a video by finding out the url directly from the web player or using a developer plugin like firebug.
We are told that ...
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Video (or audio, too) format that stores multiple languages in the same file, but only the parts that are different?
DVDs or similar often offer different dubs of the same movie, TV show, etc. on one disk. Storing a whole different video track (and audio track, too) for a movie seems a bit wasteful, given that the ...
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convert horizontal side by side to vertically stacked 3D video
I have seen this and this post explaining how to crop and stack videos using ffmpeg.
My question is - is there an easy (preferably one step) way to turn a horizontally stacked video into a vertically ...
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Advertisement Video For App [closed]
I would like to build an advertisement video for my app similar to this one that Waze made:
Any suggestions on what software I should use?
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Is there a way to cut a speech video into parts on silences automatically?
As an English teacher, and also a programmer, I've created a system of listening that works this way:
I choose an interesting video full of speech.
I manually cut it into peices based on slinces ...
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How to split video into multiple files based on chapter markers?
Is there a way to automatically split a video into multiple files based on chapter markers?
I don't want to re-encode the file, just a video/audio passthru.
The source file is a MKV container, but I ...
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Draggable effect split screen
I want to know that draggable split-screen effect is used in the next video? j-query?
Draggable interact split screen video
Regards
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Three Point Lighting on Green Screen
Ok - I have a 10' x 8' foot DIY green screen. Since I am newbie I have not yet purchased any lighting. I do have a set of circular reflectors, and a lightstand with a boom and clamps that I was "...
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FFmpeg/Avconv unable to copy subtitles; Unsupported codec?
I've got an mp4 file with these streams (avconv -i file.mp4 or ffmpeg -i file.mp4):
Stream #0.0(eng): Audio: aac, 48000 Hz, stereo, fltp, 125 kb/s (default)
Stream #0.1(eng): Audio: ac3, 48000 Hz, 5....
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Software used to create such animations?
Check the video -
https://youtu.be/uAyPXcYick0
I'd like to know which editor could I use to create such videos? I can get the flat icons, but how do I animate those? Are there presets for such ...
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How to stream video with delay
I need some kind of rtsp buffer to delay video. I have a live cam and i need to start recording video on some event. But I need 10-15 seconds before that event too. Idea is to read from camera, use ...
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Green Screen Streaming
I am a complete newbie when it comes to making videos. Just got a Canon VIXIA RF62, and built a DIY green screen. On the green screen I hope to place maps and other background images that I will point ...
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FFmpeg cuts video?
I'm trying to add an image to the start of a video. I don't want it to overwrite the video, I asked about it and got this answer:
ffmpeg -r 30 -loop 1 -t 3 -i image.jpg -i inputvideo.mxf -f lavfi -t ...
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ffmpeg Cut a media preserving all streams but also all metadata, timecodes and everything else
Today I wanted to obtain a ts file cut preserving everything, so I tried with this command:
ffmpeg -i "original.ts" -map 0 -c copy -t 00:30:0.0 -threads 1 "cutted.ts"
The resulting file have ...
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How to create slideshow/video from still images using a varying point of interest?
I have still images of a motorcycle's odometer, taken by hand whilst riding (varying angles) over the course of a 20000km motorcycle journey (i.e. the odometer is not always centered in the still ...
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Can one edit a 360 degree video into a traditional video?
I just ordered a Theta S which should be released by the 30th of this month. I can not wait to start recording 360 videos.
My question is, can I edit a 360 video into one of my non 360 videos? Just ...
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ffmpeg based JAVE video conversion taking a long time
I am using ffmpeg to convert videos to mp4 format in my application I have used JAVE and Xuggler for the same. My issue is that, video conversions are taking way too much of time. For example, a 50MB ...
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Any software with high quality vfx graphics? [closed]
I am planning to make my own movie and I need a software that produces high quality video graphics. I am new to this and am sorry if this is not the place to post this.
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ffmpeg: How to convert quicktime (iPhone) video to mp4 format?
I need to convert quicktime (.mov) video file recorded by iphone, into mp4 format using ffmpeg in php.
I tried several commands but it did not work for me.
I tried following command that converted ...
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Realtime fulldome video splitting
I need to split fulldome video stream to several projectors for planetarium. I wrote hlsl (and glsl) shader which does exactly what I need and has some configurable parameters. It works in MPC:HC that ...
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Adobe Premiere CS5 match sequence settings but change codec
So I have a flash video that I tried converting to MPEG4 (H.264) in Adobe Premiere. I simply copied the .flv clip and the created a new sequence by dragging the clip to the new item icon:
I this gave ...
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Encode video for html5 and javascript controlled playback
I want to create something like Apples Mac Pro product page http://www.apple.com/de/mac-pro/ where html5 video playback is being controlled via javascript (by manually setting the currentTime ...
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DVD authoring burning
I am looking for a player that i can burn to a disk.
I used to have this facility when i used DVDit le but lost the serial number. I was able to write video files to disk along with a player - thus ...
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How do youtube professionals record audio for their video?
If some professional has a video, and they want to do a voiceover for it, how do they do it?
Do they first remove unwanted clips from video and then record audio using audacity while seeing the ...
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ffmpeg: overlay rotated video with transparency
I'm new to ffmpeg (video encoding in general).
I have two videos one larger than the other. I want to rotate, resize and overlay the shorter video on the larger one at defined coordinates.
So far, I'...
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Using ffmpeg to cut videos with more precision than key frames allow
I'm trying to cut a video (a debate on TV) with FFmpeg without re-encoding, and I need to cut between 2 sentences a guy pronounce. I think the precise moment is between two keyframes, because whatever ...
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Predict file size of a Huffyuv codec video stream
I like to do many comparisons and check before picking a codec and selecting its settings.
Settings with HuffYUV are few but more importantly I'm having trouble determining video file sizes.
Given ...
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Adding annotation to existing video file
I an application demo video, I want to add annotations (Text notes, basic shapes etc) on already recorded video. Is there any free software available for that on Windows?
I found some, but they work ...
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VLC Alternative for fine review media with possibly frames control and detailed codec informations
Some people around the web say that VLC is the cinderella of the video players, they say it make too much automatically picked video filters and conversions that not decode properly the media in the ...
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Video and Telemetrics not in sync
I've recorded a video with Raspberry Pis Camera Module.
On top of that I've recorded GPS data including the GPS Timestamp and made my own data file.
Using Dashware I've tried to get the video and ...
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How to convert video to required codec?
I am trying to convert mp4 videos to match the codec requirement of
Codec: XVID as per the attached picture.
Can anyone advise how or what tool can be used?
screenshot http://xomf.com/wkvgv
http://...
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What kind of external microphone can I use with my Galaxy smartphone?
I'm feeling a bit stupid.
I want to make video podcasts using my Samsung Galaxy S3 but of course the internal mic isn't much good.
So i need an external mic.
Can I use pretty much any battery-...
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Does using component cable help improve video quality? [closed]
I have a standard definition (SD) set top box which has three jacks for its output(Red,white,yellow). I recently bought a Sony TV which has WXGA (1280x800) resolution and 5 jacks for input which has "...
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Which graphic card to buy [closed]
I have decided to buy a new pc for short videos rendering in after effects. I dont have a big budget, it's around 1000$.
This is the thing i thought to buy, but i'm not really sure about graphic card....
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Old webcam recorded video not playing
I have this video (length 1-2 min) recorded on Dell webcam 3-4 years ago. It played smoothly at that time. Now when I play it, for first 40 seconds it plays well but after that video goes blank and ...
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Looking for suggestions on workflow/equipment: daily production of short presentation videos
i am looking for any and all sort of suggestions on workflow and equipment, specifically camcorder choice.
Case details:
We are producing short videos every day. A person is standing in front
of ...
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GoPro4: Color shifts in video
I'm not sure where to put this question, but I think signal processing section is the best section to ask.
So I am having a problem with my camera, apparently the filter color shifts to purple, then ...
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C4D image problems
I have added a custom image from the internet to a cylinder, and it shows up as normal when editing. However when I preview the render or render it out the image completely disappears and the cylinder ...
