Questions tagged [video]
Video is the technology of electronically manipulating still images that represent motion.
1,851
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Seeking for advice with dealing with out of sync audio
I have a bunch of videos from games caputured with NVidia's Share.
They are trimmed using VLC.
I have one video that is 1 minute and 38 seconds long (a lot longer then the others). If I play it in VLC ...
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Can i do decimal custom speeds in final cut pro?
I want to speed a video up by a 102.4% in final cut pro, is this possible?
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Problems with lower thirds
I have a .mov file that has a black background but it’s not transparent. How do I change this file to make the black background transparent. Do I change the file in my editing software? If so how? I ...
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How do I find out if a video is actual or if it was modified with a Software?
This video in question is Chameleon Changing Color How do I find out if that color change in the Chameleon is real and not a modification that was done with software? Specifically, I am looking for ...
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Build FFmpeg with ".EXE" files of external libraries?
this is my first question on StackExchange!
I recently got into building FFmpeg on Windows and build successfully the vanilla and the external library versions of this program!
I noticed that it only ...
2
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seamless DNXHR player
I am looking for a player for DNxHR that will playback files seamlessly, as there is no brief pause between files playing. two files played back to back should play as though they are effectively one ...
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re; using 2 i-phones simultaneously in adjoining rooms for video input to macbook pro
I would like to 'overlay' two individual video feeds from two i-phones (with individual audio feeds from each person via XLR cable) to an existing video so as to stream both the prerecorded video as ...
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After Effects is not seeing CUDA in my GTX 1060 GPU
I've got this weird problem. I have the latest After Effects 2020 and this is how my "GPU Information" window looks like.
As far as I remember, this is not how it should normally be. It must ...
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Selecting specific part of a video
I have a video which I need to analyse. The analysis software recognizes objects outside the area of interest and I would like to limit it to the specific arena. In order to do so I tried cropping but ...
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273
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Concat 2 video and add watermark first video ffmpeg
I have a Video #1, it has audio. Also I have a Video #2, with audio too. I would like to concat the #1 and #2 (or play #1 first, and then #2) and then add a watermark in #1 for the rest of the video, ...
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Standard way for handling different resolutions when concatenating videos
I am building a small tool to take the short videos I record from different devices (e.g. iPhone, camcorder, etc), and concatenate them together chronologically. Everything is working up to the point ...
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FINAL CUT audio syncing
I make videos about drums and music. I record audio separately to video.
when I align the audio with the video after the fact, I always feel final cut never gives me enough resolution in terms of ...
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How many I-frames are in a single shot?
I have some fundamental questions on shots and I-frames. When we apply shot detection on a video, how many I-frames will exist in a shot? How many frames exist between two I-frames? And does the shot ...
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What is the recommended settings for video editing using ffmpeg?
I am quite new for using FFmpeg, and I am using FFmpeg in screen recording. I checked the online documentation in this link ffmpeg documentation "Capturing your Desktop / Screen Recording", ...
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Video artifact removal and restoration - How can it be done? (Really?)
I have been researching this for the past couple of days, and all I could find on the subject were a bunch of research papers, a demonstration video of a model that isn't publicly available, and a ...
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507
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Create 4x2 grid mosaic
trying to create a 4x2 grid from 8 videos using the terminal on a mac. The code I am using is not working:
ffmpeg -i input0.mov -i input1.mov -i input2.mov -i input3.mov -i input4.mov -i input5.mov -i ...
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2
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How to find/detect the real video resolution?
Imagine you have recorded/captured the screen at 1080p, but it was displaying a 480p video maximized to fullscreen.
The result file is technically 1080p, but it really is showing a 480p video, that is ...
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Why does audio not work for this mp4 when played on IPad with headphones plugged?
I'm hosting this video : https://itype.techforge.com.au/assets/videos/repeated/WordRat.mp4.
It seems to work fine unless you happen to be on an IPad and plug the headphones in. With the headphones ...
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2
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Which scene transitions are commonly used?
Video editing software offers many scene transition effects, but which ones are commonly used in movies and tv shows?
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609
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Camtasia Studio video files are too big
I've been trying to export an HD video from a screen recording created with Camtasia studio, but every rendering is returning videos with 80 mb/s of bitrate, I'm setting it to 65% quality, MP4. If I ...
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76
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Save video track names as a preset
I'm in Premiere Pro CC 2019 13.1.2, and want to save named video tracks as a preset. This can be easily done with Audio as per image, but I think I must be missing how to set up a preset with named ...
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How to filter out footage into one clip
The problem I am facing is I have too much of footage of which only 10% is going to be used for editing.
I don't want to store tons of footage which is not going to be used.
The most reasonable idea ...
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How to compare the audio/video synchronization in video clips?
I have two video clips of the same music video. Both are made of the same video and audio tracks but of different sources and quality.
One of them is a rip from an officially released media, so the ...
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Add 3D visual effects to videos
I'm trying to get some hands-on experience with 3D visual effects on videos. Similar to those AR apps, I want to add a 3D model with effects, say a dragon, to a video. Something like this famous demo:
...
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How to add automatically a video ending?
Long story short, for internal trading videos updates i need to add a predone video cut to a lot of old videos. I need a way to not having to pass everyone one by one by premiere. Any software that ...
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Extract audio from a multichannel video file
I have a QT ProRes which has 8 audio tracks. L/R/C/Lfe/Ls/Rs/Ltotal/Rtotal
What I need to do is extract the 5.1 (tracks 1-6) into separate individual wav files without recompression
and the last 2 (...
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Does LG v30 record HDR video in manual mode
Does LG v30 record HDR video in manual mode or it's only in automatic mode ? Thank you
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60
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How do I trim text/video in smaller increments? (for Kinetic Type Video)
I want to trim a basic title element so it matches an audio file I have.
I want to drag the start of the title element to a marker on the timeline.
I can't do this because final cut keeps truncating ...
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2
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Can anybody please explain what camera settings (aparture, iso, wb, ss) have to do with visual/film grammar?
I understand the film "grammar" of shot types, framing, composition etc but don't understand what camera settings have to do with it.
This is one of the assessment criteria for a university ...
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314
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Can you render videos on a server
I would like to create an app that combines videos and renders them on a server.
Is it possible to do this?
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224
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A specific MP4 file is not playable with avfoundation in iOS
I have an mp4 video file that I want to play it in iOS using avfoundation. Unfortunately, the file is not being played and save into the default gallery (photos) even it has h264 video codec and aac ...
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Recording a lecture, mirroring Ipad to Windows PC
I would like to record a lecture for my maths students. I want to write it on my Ipad (in goodnotes), mirror Ipad on my PC laptop, and use OBS on my PC to combine the image of the Ipad with the input ...
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553
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Premiere Pro export same file size as import
I just want to export a video at the exact same settings as the imported file.
'match source' and 'match sequence settings' do not work. (Adobe Premiere Pro)
On my timeline all I did was trimmed some ...
2
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2
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Will a Youtube video with clips from a copyright protected anime website (AnimeID) be taken down even if I give credit in the video and description?
This is my first post here, but I think I used the search function and couldn't find what I was looking for. This is probably a stupid question, but here goes: I'm creating an analysis of an anime ...
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Are the EV principles that are used in photography the same in video production?
I am new to photography. I have been reading about the EV values and how to calculate them, with the f-stops, the shutter speed and ISO. However, I want to know if those same principles, tables and ...
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AE - Tracking in Comp different when played backwards?
I've come across a rather strange phenomenon in After-Effects.
Here's what I have:
I tracked some shaky footage and applied the tracked motion to a null. Then, a camera follows that null, thus ...
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what is the best software that can crop and trim video?
it needs to work with mkv files
has to have a gui because the crops are different for each video
should be lightweight, I don't want to install premier just for this
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Ffmpeg freezed while encoding 37mb video file from Action Camera
I tried to encode three video files from my action camera and ffmpeg freezed.
The video file was 37mb, without any prior manipulation.
ffmpeg -i GOPR0019.MP4 -i GOPR0019.MP4 -i GOPR0019.MP4 -...
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Too many arguments in ffmpeg, concat, filter_complex command, what I am doing wrong?
I am using the following ffmpeg command with filter_complex:
ffmpeg -i GOPR0013.MP4 -i GOPR0013.MP4 -filter_complex "[0:v:0]fps=32,scale=1920:1080[v1],[v1]vflip[vF1],[vF1]hflip[clip1], [clip1] [1:v:0]...
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471
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Audio and video out of sync after hstack/amerge
I am using ffmpeg to combine two videos in one side-by-side. This is a recorded 1:1 video-call (WebRTC); each stream recorded separately by the media server.
I've come up with this command, which ...
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2
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How can I merge five mkv files I've created in OBS Studio?
I used OBS Studio to create five recordings.
Now I need to submit them as just one file on YouTube, so my five .mkv files has to be merged into just one file.
Can it be done in OBS Studio, if so ...
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2
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894
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How to apply multiple chroma keys in ffmpeg?
I tried creating two separate colorkey filters (as these seem to work better than chromakey filters) like this:
ffmpeg -i input1.mp4 -i input2.mp4 -filter_complex '[1:v]colorkey=0x6AA999:0.1:0.2[...
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How can I remove unwanted object from a video and see what's behind it?
If for example I have a video and there is a person that moves but is always partially blocked by an object, can I remove it somehow to get a clear video footage? I tried Adobe content aware Filter, ...
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288
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After Effects melting film strip in the old projector
I want to make the effect of a melting film strip in the old projector. Please tell me how this can be done with After Effects? I have all the necessary footages, but after blending it does not look ...
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688
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How do I set video thumbnail as first frame of video?
I want to see thumbnail in google photos which show first frame as thumbnail
Most answers (for example FFMPEG add image at beginning of MP4 as first frame) fail becouse I am on windows and do not ...
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Is it possible to push an video stream via OBS to a video server for consumption by another OBS Studio?
Just wanted whether this was possible.
I know that within OBS, I can stream video from my phone camera on a url like localhost:5050 when I used a "turn phone into webcam" app.
So I was wondering, ...
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1
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Does any software have the capability to create a mask/alpha value based on the volume of an audio channel
I'm looking for an automagical way to create a Google Hangouts effect, ie.
1. I have a number of files that are recordings of individual conversation members.
2. I want to put together the video ...
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2
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Is there a platform where I can automate creating multiple versions of an explainer video?
I work for a company that connects various software to each other. We want to create an explainer video for each software we connect to. The videos will be almost identical with the only difference ...
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393
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Using ffmpeg to convert files to OVG (libtheora) on Windows 10 results in corrupted Video Files
ffmpeg version 4.2.2 win64 static
I'm using this command in Windows 10 to convert a file from mp4 to ogv:
ffmpeg -i input.mp4 -c:v libtheora -q:v 10 -c:a libvorbis -q:a 10 output.ogv
The result is ...
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How do I get Windows Media Player and other tools that depend on system codecs to play this video file?
I have a video file that plays fine in VLC, but only shows 100% black frames in Windows Media Player, and in other applications that depend on system codecs (for example in MATLAB, which is where I ...