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Questions tagged [video]

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

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10 views

Background image under video center with ffmpeg

I have input video and image. output i want to have video like my pic
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2answers
25 views

Do people fundraise to help someone buy a camera?

I have been borrowing my library's camera the past few months and am getting sick of it. I want to buy my own camera, but the camera I want costs around $1600. I do not have that money but really want ...
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1answer
31 views

What happens when a compressed video is played back?

I've been reading up on video compression. I understand that 'raw' media file sizes are to big for practical usage so they have to be compressed, but I'm wondering what happens when the video is being ...
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2answers
15 views

Transport moving object/person to another video

For a video.How can i keep a moving person from a video,and move that person (moving person) to another video.I mean something like that What software i need and ...
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5 views

I need to have two instances of one very long sequence open at the same time

I need to have two instances of one very long sequence open at the same time. I must be able to see the beginning and end sections simultaneously (and edit from each). Just sending a sequence to the ...
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0answers
43 views

newbie video 4k using H.264

Hope this is a proper site for this question,apologies if not. First time using Akaso V50 Pro action cam . Shot video of wedding. Camera came with 4K/30fps and Codec H.264 selected. Nothing in manual ...
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34 views

Library for SMPTE 2022-5/6/7

I start working on SMPTE 2022-5/6/7 and i need a library to TX/RX according to these standards and processing on video, audio and ancillary data. Do you know such libraries which are implemented ...
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0answers
10 views

OpenImageI/O python bindings for color conversion failing [migrated]

Posted a need to convert color spaces from Linear to AlexaLog ealier, ended up using oiio to do it, but now i get a tone of errors when i try to adapt it for python. Using Terminal it works just fine ...
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19 views

H264 Compression Artifacts On Some Players?

I have a video which plays back fine on Windows however on a lot of apple players I'm seeing compression artifacts. VLC on Windows: Fine. Unity's VideoPlayer on Windows: Fine. VLC on OSX: Fine. ...
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15 views

Is there any way to get ffmpeg to broadcast hls video?

I've been trying to set up something to where I can get a raspberry pi to broadcast in hls for a website I'm working on, I used this guide to configure nginx: https://docs.peer5.com/guides/setting-up-...
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1answer
24 views

FFmpeg scale video to desire size

I have an video with this resolution: 1920x1080, I want to scale it to 480x852, like this video: https://scontent-frx5-1.cdninstagram.com/vp/d7b76fe78c9ad72016b98dcda320a6ca/5BA532D8/t50.16885-16/...
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64 views

ffmpeg - 1080i deinterlaces to 1080p 100 fps instead 50

I want to deinterlace my video in 1080i (50 half frames) to 1080p 50fps. I tried this command ffmpeg -i .\original.mp4 -c:a copy -vf yadif=1 -c:v libx264 -crf 18 -preset ultrafast output.mp4 but ...
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1answer
45 views

How to read 10-bit RGB values from HDR video?

I had a HDR video and the format is ProRes. The colour bit depth of ProRes is 10-bit. I would like to extract the 10-bit RGB values from the HDR video. As per this link, I have first converted the 10-...
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2answers
33 views

Frame capture from videos: I-frame vs P-frames

I'm trying to capture various frames within a x264-encoded video files into png files (in python), and then compare the quality of them: cap = cv2.VideoCapture(filename); //get frame_number for ...
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1answer
25 views

Continuous video autofocus speed on Sony a7 iii

So I've got my a7iii and continuous autofocus (AF-C) with Wide focus area is blazingly fast when shooting stills. It recognizes faces and can clearly keep the running man's eyes in focus when looking ...
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12 views

Add a pdf/doc file to iMovie

I am working on a video using iMovie and there is a scenario where I want to add a pdf or doc file to iMovie so that it can be accessed from the video upon click.
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1answer
26 views

How to fix video shot vertically on a smartphone?

I recently committed the crime of shooting video vertically, and now when played anywhere except on my phone the video renders sideways. What is the best method to rotate it (using PC software), ...
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1answer
47 views

Using ffmpeg to add height (as black bars) to video file without quality loss

I have a file of resolution 3840x1632, but my TV stretches the picture vertically to fill up all 2160 pixels of height. Is it possible to use ffmpeg to add blank / black height, while preserving the ...
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60 views

How can I fix this damaged Camtasia recorded video file?

Been recording using Camtasia Recorder and then suddenly mac crashed and restarted. I really hope someone here had encountered with a similar case in the past! I really need to fix that video cause ...
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1answer
23 views

Hardware or software Gen-Lock for different actioncams

I have a GoPro Hero 4 Black and a Rollei 5S Wifi looking at the same scene from a different angle. How can I hardware - or later in software using ffmpeg - gen-lock them? My ideas: Software ...
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2answers
62 views

What would a video look like without the shutter separating frames?

If the shutter wasn't in the picture, what would you get? Are there any examples of this available? I've searched, but couldn't come up with anything. Is this an impossible thing? Or are the results ...
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0answers
11 views

Generate Slide show with images and audio file with beeps

I have pictures and an audio file which contains beeps when the picture change should take place. How can I automatically create a slide show, preferably with Premiere Pro?
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0answers
11 views

convert wvm to M1V

I'd like to convert a WMV file to m1v. All searches on the internet led me to phishing sites or malware apps. Is there a tool (preferably free) or website that can make this conversion possible?
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1answer
23 views

Video conversion

I'd like to convert quite a few BDMV files to MKV files. I know you can do this with MakeMKV, which isn't freeware. Are there any good freeware programs out there to accomplish this? Also, is the ...
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2answers
46 views

What is KeyInt and min-keyint and no-scenecut

I am absolutely new to video processing, I am building a video streaming site and worked with ffmpeg to generate the formats I need for ShakaPackager. Sadly I don't understand some of the options ...
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0answers
4 views

Video Speed Disabled PowerDirector 10

I am using PowerDirector 10 on a windows 10 computer and I want to be able to speed up/slow down my clips. I clicked on the clip and opened the Power Tools and checked Video Speed but all the options ...
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0answers
16 views

Converting text file to a video with speech

I have several long text files and I'm looking forward to convert them into a video with synced text-to-speech voice. Because texts are long, an animation/slide/pagination will be required on video. ...
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0answers
7 views

Are there multiple thumbnails for a single video?

I have a short video, which I have set its thumbnail (with MediaMonkey), and the thumbnail in Windows looks as I expect. I shared the video to Telegram and OneDrive, and each of them had a different ...
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0answers
16 views

Codec for video surveillance assuming non-changing scenes

Are there video codecs, which automatically and effectively compress static scenes? For example, if we have the same room shown at the same light, this codec should produce zero or very low extra ...
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0answers
5 views

how to set youtube live if my connection is disconnected but youtube live doesn't automatically stop

how to set youtube live if my connection is disconnected but youtube live doesn't automatically stop I experienced a difficult thing for my youtube live streaming. because when I live sometimes my ...
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2answers
25 views

How can I make videos like this? (mostly samples pitched into iconic pop or meme melodies)

Are there any explanations or tutorials? People don't seem to discuss how they're done in the comments at all and google doesn't help either. I looked up some sheet music and pitched and adapted the ...
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0answers
49 views

project 3 separate videos synchronized

For an art installation I need to set up a synchronized projection of 3 separate videos: hardware 1 PC with Windows 7 NVIDIA GeForce GTX 980 with 4 simultaneous outputs 3 projectors 1920 x 1080 (I ...
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0answers
53 views

Modify video frames but keep their timestamp in python skvideo ffmpeg

I have .ts videos with variable frame rate and I would like to modify the frames of the videos and keep the timestamps belonging to the frames. I am using python and experiencing with ffmpeg, but I am ...
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0answers
15 views

Can mathematical data from a recorded video be extracted to a computer file?

Can mathematical data (for example, stop watch/timer values) from a smartphone recorded video be extracted to a computer file for plotting graphs ?? *I have recorded a video of an on-screen ...
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59 views

My microphone always get's out of sync with my webcam Streamlabs OBS

I am having troubles with getting my microphone in sync with my webcam, I tried many different solutions and configurations and none of them works, mic starts synced with webcam and i see it in ...
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2answers
28 views

Why would you deliver a video in 1920x964?

Quite simply; I've never come across this aspect ratio in video before and I just wanted to know if there is a standard in video (that I'm unaware of) that routinely uses this aspect ratio. For a ...
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1answer
74 views

Which software was used to produce this demo video?

I'm wondering which software was used to create the demo video you can see in Piktochart's website. The embedded Youtube video is this: I know it is an infographics ...
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0answers
163 views

Converting .ts to .mp4 (Output file #0 does not contain any stream)

I'm trying to convert a .ts file a recorded of a soccer game from my TV receiver. For that purpose I'm trying to use FFMPEG to do so. The command I've used is ffmpeg -i 000.ts -c copy ffmpeg-output....
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44 views

ffmpeg whitebalance adjustment calculation

I have a video file with a particular grey rgb value which is not correct when sampled with an eye dropper in photoshop. So I want to apply an adjustment via ffmpeg which I can using the eq filter. ...
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1answer
39 views

What codec do I need for this video file?

I have a video file from my Hikvision NVR which I cannot play on Windows 10 in either VLC or Windows Media Player - all I get is a black video and the seek bar just whizzes along... I can play this ...
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0answers
31 views

What's more important for video recording - STM or IS?

As I can see Canon currently lacks native wide (assuming crop sensor) fast prime lenses adopted for video recording that have built-in image stabilization at the same time. As an example, you can ...
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1answer
72 views

How to encode this settings with ffmpeg?

I just read Recommended upload encoding settings article from official google support. I think this is the best settings for encoding my youtube videos. Can you help me find out how to encode that ...
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0answers
33 views

400% Render Performance Increase In Kdenlive With NVENC - But 1 Giant Problem

System: i5 6600K, 1050TI, Ubuntu 18.04, Kernel 4.16 I have successfully compiled mlt and ffmpeg with nvenc support using the official nvenc headers stripped from the Nvidia SDK. Rendering the first ...
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15 views

Rode NTG2 background noise

I bought an NTG2 as a run and gun solution with my C100 Mark 2 but have been having an issue with background noise/hiss. The following link illustrates the issue - you'll hear the noise in the ...
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2answers
994 views

Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly

I am using below command to push the video to Wowza server, since we are pushing raw h264 video, the rtp packet doesnot have the timestamp, and we could observe audio video sync issue while playing ...
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0answers
15 views

Convert extra large dimension MOV to MP4

I have a MOV file of 11520x1080 dimension. I want to convert it to MP4. Is this achievable? If yes, which is the best tool to do this?
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0answers
28 views

Make video from .png files in Hitfilm Express

I'm trying to make a video in Hitfilm Express. I've imported a folder full of .png files which were rendered in Blender. I then dragged them into the editor > Video 1 section. Instead of playing 29....
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1answer
62 views

How can I batch remove from videos all material that comes before the first all-black frame?

I have many hundreds of videos, each a few minutes long and to which was appended an intro and outro sequence that I would like to automatically remove. There is always an all-black frame immediately ...
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0answers
16 views

Which software for making data videos like this?

I have a lot of data, and I would like to create a video with animated curves (or charts or whatever) like this: How to achieve that ?
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0answers
7 views

Live video with changing pictures in upper corner

I have seen a live video of a person selling something and in the top corner, there is a picture of what she is showing and selling. She changes the picture with each different item she is showing ...