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Questions tagged [video]

Video is the technology of electronically manipulating still images that represent motion.

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1answer
10 views

Extract audio from video preserving audio quality

I need to extract sound from videos. There must be know loss of quality (since the sound files will be used in speech-to-text services). So I want to extract the audio from the video exactly as it is ...
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0answers
6 views

How to align automatically photos to make a timelapse video from one hundred pics?

I am making photos every day of the construction process of a building, but I am making the photos with my mobile so they don't fit exactly. At the end of the construction I want to make a timelapse ...
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1answer
9 views

How to create Frame Sequential / Alternate frames 3D video from two separate one

Platform is Linux, CLI tools is needed. There are two files: one for left eye another for right eye. I search a way to compose it into single 3D MKV (or any other container) with alternate frame ...
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6 views

I want to double the speed of master video clips while retaining the audio's original speed

In the field I accidentally recorded about 80 clips at 50% slo-motion and need to restore the video to normal motion. Audio is recorded at the proper speed. Is there a way to do this, as a batch, in ...
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1answer
9 views

Software to host multiple camera images at once

We are looking to set-up a page of multiple camera outputs on the same website and make it available to multiple people via the web. Kind of like a security or traffic camera screen with multiple ...
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0answers
22 views

How to quickly merge a LOT (and i mean a LOT) of footage?

As the title says, we had an event recently and I plan to make a movie with the video from the event captured by four separate cameras. The files are ~500kb each. There are four folders, each with ...
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0answers
7 views

RAW Format videos database

there is an online database for raw videos? I wanted to download some videos in RAW Format for a university work and I can't find none. The job I have to do is to encode the RAW video with different ...
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0answers
14 views

PTS DTS indicator in PES frame

I'm trying to add timed metadata into TS files and to the best of my knowledge it is only possible if the PES frame has the PTS DTS indicator with the value 2, which means that only PTS is present. ...
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1answer
20 views

Smallest Possible Video File in H.264 Format

I am writing some unit-tests for a software that does some work with videos. To do so, I need a programmatically generated video file that is both small and legitimate in that it is actually a ...
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1answer
26 views

Would 2 lights solve my DSLR green screen noises?

I would like to make a presentation at the background and the human which is "green screened". I tried with my DSLR Nikon D5200. So for now the result is like in this short video: https://...
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1answer
32 views

Restore Video from Audio in Premiere

Say I add a bunch of Audio/Video clips to a sequence, then replace the video with an After Effects composition, that was currupted. Premiere was closed and re-opened. The audio is still there but the ...
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2answers
40 views

how can I convert slow motion video into normal speed without losing fps or audio sample rate?

I want to download a slow-motion video playlist (with the frame rate of the videos being either 480 fps or 1000 fps.) and be able to speed up the videos at least 16x without losing the frame rate or ...
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1answer
19 views

Fixing flickring old video

I have a bunch video that looks like it's flickering. The video started as Super8 (70s), was converted to VHS some years ago (90s?), and was recently converted to AVI. It looks something like this ...
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1answer
23 views

How to record myself while not noticing myself?

I am using an Android Oreo phone. I would like to make a video of myself, but while I make it, I want the screen to go blank. This is so that looking at myself on the phone while I record will not ...
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1answer
30 views

Best codes for different video formats

Is there a list somewhere on the internet to give a basic idea of what codecs are best for different video formats, for example, what codecs are best for MP4, MPEG, FLV etc?
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2answers
16 views

Vector image from AI to AE

I've ben watching tons of videos and read a lot of forums about this problem, but still cant find the solution... The thing is that everybody says to put every object on different layers and then ...
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0answers
11 views

Removing shadow from video frames in Filmora Pro

I'm new to video editing, and I've been playing with a video of one of my products. Here is a video I was sent by a camerman who did a shoot for us. Most of them are great, but a few of them have ...
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1answer
45 views

How do you keep the silent part of a video?

How can I keep the funny silent part of a video (sniffs, breathing,...)? I found a solution here, but is there another solution? I mean: Can I do the same in a video editor?
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2answers
30 views

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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0answers
12 views

video steganography frame data loss

In video steganography after embedding image with data and converting it back to video we sent it to receiver. While decryption the video is turned back to frames, but the embedded data is lost in ...
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0answers
31 views

Autopano Video Pro Alternatives for Stitching GoPro Omni 360 panoramic footage?

Im a GoPro Omni user, I purchased it (for around £4k i think it was) when GoPro first released it in 2016 and it came with AutoPano Video Pro 2.3 to perform the stitching. I don't use the camera often ...
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1answer
44 views

How to extract each video scene with FFmpeg

I'm trying to detect scenes and save them as individual files with FFmpeg. I found this long command somewhere, but it fails with a good detection. I change the scenecut value, but I don't see any ...
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1answer
26 views

ffmpeg video generation process optimization

I am generating video using ffmpeg by combining images, audio, logo and some text sliding from right to left. Currently I am using four different ffmpeg commands to complete my video generation ...
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0answers
15 views

KVM over IP suggestions

Apologies if this isn't the right place for this, but I have always loved stack exchange and hope to find a good answer on the Vid Production channel. I'm looking to set up a 50-60 source (minimum) ...
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0answers
11 views

Deskew/Perspective transform filter for video

I’d like to correct the perspective on a slide show taken from a side seat in a theater, where slides and video were projected on a screen. I’d like to crop it and deskew just to display the screen ...
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1answer
27 views

Video Quality Measurement test tool

I need to measure streaming video from various different codecs and be able to tell which one is better. What will be the best metrics to look for? Is there a free tool that can help with this.
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1answer
28 views

Program that uses grayscale images to make transitions

I remember some old video editing programs used a grayscale image to be used as a transition pattern. Basically what they did was using the different levels of a grayscale image as a step for the ...
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0answers
33 views

Adobe Premiere Exports only video

I combined video and audio from different sources. I intentionally slowed the audio down, but when I export it, I get only video. Also, the audio I'm using is a mono. I tried to save it with both ...
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1answer
25 views

Can you encode intra-frame videos from inter-frame without loss?

I'm aware of the differences between intra and inter, but I'm not the most savvy about reencoding them after the fact. Is encoding with intra from an inter-coded video the same as if you originally ...
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0answers
21 views

How much does a World of Warcraft CGI cost?

Patch 8.2.5 - War Campaign Finale How much does a cinematic/trailer like the one above tend to cost, and if we break down the process, what is the most expensive part of the process?
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1answer
59 views

ffmpeg: Preserve timecode when converting mov to mp4

This seems simple enough. I want to do a basic conversion of a .mov file to a .mp4 file using ffmpeg. The hitch seems to be that I also need to preserve the timecode. I've looked at many posts from ...
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0answers
14 views

Audio Spectrum Using After Effects

i was trying to make this siri like audio visualizer using after effects, everything works fine instead the edges, i want them smooth ending like in the video link given above, but mine starts ...
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2answers
117 views

AviSynth vs AviSynth+ vs VapourSynth: which one should I choose?

AviSynth is an old-but-still-useful tool for processing video via script, but I’ve noticed that there is a fork called AviSynth+ that appears to have some improvements. And then there’s VapourSynth ...
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0answers
35 views

Is QTGMC still the best deinterlacer?

From reading various video forums, QTGMC seems to have a reputation as being one of the best tools for deinterlacing video (at least from an open-source perspective), with Yadif in second place. Is ...
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0answers
8 views

HTML5 player Video fast forward and backward GOP iFrame

I am looking for solution where I can do video fast forward and backward using GOP I-Frame based in HTML5 Javascript instead of seeking time based. Requirement is video should fast forward GOP i-Frame ...
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1answer
18 views

Vegas Pro 15.0 Fade In/Out

Hi everyone! Unfortunately, I have no idea how to search for a solution so I will try to explain what my problem is. For some reason, on some video, I cannot add fade in/out, because it is overlapped ...
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2answers
28 views

Optimizing short Videos (~10 sec.) in Size for embedding in website & app

I need to embed short (~10 sec.) videos on my website. I currently use .mp4 files, each one is around 10 MB large. Is there a way I can reduce the size of these videos? Whats the best format to use? ...
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1answer
73 views

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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1answer
11 views

What is a cost effective app to resize, crop & save a MOV file to a reduced size?

I am planning to buy an HD animation which is over 500Meg in size. I need to resize, crop and reduce the file size to about 10Meg. I prefer not to deal with Adobe Media Encoder or something like ...
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1answer
26 views

Appear and disappear effect with camera movement

I was watching a Lil Skies music video produced by Cole Bennett and noticed an effect. It had Lil Skies singing in front of a car, and he would vanish and the car would also vanish and reappear at ...
1
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1answer
88 views

Editing/Changing Cluster Timecode Element in mkv files (Amazon Kinesis Video)

I've tried researching this very thoroughly, but have not come across a similar issue. To sum up my problem first, I'm sending 3 second .mkv clips into Amazon Kinesis Video. Then I pull back random ...
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1answer
20 views

How can I render a 720x480 clip to playback from YouTube in 1080p?

I'm working on Sony Vegas Pro 14 and I'm editing AMV. The anime clip's resolution that I'm editing is 720x480 - I saw the same clip edited on YouTube and on the settings it was showing that I can ...
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3answers
51 views

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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2answers
34 views

OS X: What software for cutting videos?

On Windows, I've used Solveig Multimedia Video Splitter and it will cut the video on exactly the time range listed (example: 00:11:34.004 to 00:34:45.005) I've tried a freeware app LosslessCut (which ...
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1answer
45 views

ffmpeg: keyframe extraction with pts

I have an ffmpeg newbie question, I am extracting keyframes from streams using this command: ffmpeg -skip_frame nokey -i {0} -vsync 0 -r 30 -f image2 keyframe-%09d.jpeg However, instead of an auto-...
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1answer
21 views

How to add an image from the video to the beginning of composition? (Just an image, not a clip)

I have a composition which is a union of 2 composition, and I want to add a snapshot from the composition to the beginning of it - is there any shortcut for it? I tried searching for it Google but ...
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1answer
19 views

How to distribute multiple clips on the timeline, by Date and the time of the first one?

I have an existing project in Adobe Premiere 2017 and I would like to import multiple clips in it. I already have the primary camera in sync with the Audio, and I would like to bring the secondary ...
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0answers
39 views

FFmpeg HLS video download progress stops after some time - but still downloads data

FFmpeg starts off downloading the HLS video off the m3u8 normally, but after exactly 24 seconds it just stops seeking forward, and instead gradually raises bitrate while still downloading data. Full ...
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1answer
47 views

FFmpeg : Desktop Recording for YouTube

I was reading YouTube Help Recommended upload encoding settings page, and I found this command from a site Youtube recommended encoding settings for FFmpeg. ffmpeg -f gdigrab -framerate 60 -i desktop ...
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0answers
41 views

Syncing audios of two same videos of different framerates

I have two video files: High quality video / English voiceover Lower quality video / My language voiceover These 2 files contains same video, but has different times (one is usually 5% slower or ...