Questions tagged [video]

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

Filter by
Sorted by
Tagged with
0 votes
0 answers
10 views

Need a program to make youtube videos with

I'm currently working on a youtube project with guitar playing in the videos. Is there any one program I can use to do this? I don't mind if it's paid or free. I need to capture both audio and video ...
selectstart's user avatar
0 votes
1 answer
127 views

FFmpeg does not encode chapter titles

I am trying to add chapters to a .mp4 file. When I tried extracting the metadata using the following command: ffmpeg -i INPUT.mp4 -f ffmetadata FFMETADATAFILE.txt I got an output file as follows: ;...
Shironats's user avatar
  • 121
0 votes
0 answers
290 views

Use ffmpeg to transform rtsp stream containing B-Frames and no DTS into fragmented mp4

The goal is to play a rtsp video stream in the chrome browser using Websocket and MSE. The structure of the system looks almost identical to https://stackoverflow.com/questions/73562944/ffmpeg-live-...
Stuntman11's user avatar
0 votes
0 answers
18 views

Words highlighting when talking

Is there any automatic way to make words highlight when talking? For example, when I display the phrase Join the StackExchange community, each word of the phrase is highlighted as I say it. I see many ...
user123145152323's user avatar
0 votes
0 answers
504 views

How to convert Dolby Vision to SDR/HDR and sustain metadata?

Now I have a Dolby Vison streaming with Filmmaker mode which is from DV cert. lab. I want to convert this streaming file to SDR and HDR. I'm an outdoor for ffmpeg. Who can help me to write a ffmpeg ...
Leya's user avatar
  • 1
0 votes
0 answers
31 views

Windows 11 video capture program not recording audio with video

I'm wondering if the stock video capture program is used solely for video and not audio. Are there other programs that will record video with audio (for Youtube)? Am I missing something here (settings ...
selectstart's user avatar
0 votes
0 answers
43 views

no access to m3u8 when using ffmpeg

I have a code that allows me to download videos from .m3u8, but for some reason it hasn't worked since yesterday ffmpeg -user_agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (...
kucharek46's user avatar
0 votes
0 answers
21 views

Discrepancy in video duration when adjusting speeds using FFmpeg filters

I am working on a project that involves aligning dubbed audio with corresponding subtitles by manipulating video speeds. While I have been using FFmpeg (both directly and indirectly via MoviePy) for ...
awerks's user avatar
  • 1
0 votes
0 answers
139 views

FFmpeg code throwing error when trying to crop the video: FFmpeg process exited with state COMPLETED and return code 255

Hello I am trying to crop a 9:16 video to a 1:1 video with FFmpeg. The command is throwing this error Exception: FFmpeg process exited with state COMPLETED and return code 255. This is my code: -ss 0:...
Danny's user avatar
  • 101
1 vote
1 answer
47 views

Is smpte170m Color Space Compatible with 10 bit yuv420p10le? Color Space choice(x265)

I need to encode a smpte170m color space MPEG-2 ("mpeg2video") video to 10 bit x265 (libx265, with FFMPEG). Hoping to use yuv420p10le, but any suggestions are welcome. Source video is in ...
strider's user avatar
  • 11
0 votes
2 answers
67 views

Why is animated SVG not used for streaming cartoons?

Considering that, per https://video.stackexchange.com/a/18726/34808, animated .SVG can be used (even across the internet, via browsers) as a vectoral video format, why are cartoons not served to the ...
RokeJulianLockhart's user avatar
1 vote
1 answer
23 views

How can I create a POV scene with no camera movement?

I'd like to create a POV scene where my hands are visible doing something, but the camera must not move. Something like this (jump to 1:00) I think some kind of POV ...
BetaRide's user avatar
  • 113
0 votes
1 answer
23 views

Squishing an image from above in Sony Vegas Pro 18

I am using Sony Vegas 18. I am attempting to squish an image from above, keeping the width and bottom x, y coordinates fully fixed, meaning the image "squishes" while being reducing in the y ...
IUseSonyVegasSometimes's user avatar
0 votes
1 answer
23 views

Video editing software that automatically performs search-and-replace

My employer owns a number of video recordings that discuss a company product. Many of those videos were created using Camtasia, a commercial video editing software product. The video recordings ...
suono's user avatar
  • 3
0 votes
1 answer
221 views

FFmpeg setpts filter produces wrong frame number

Description I found a strange behavior in setpts filter: sometimes when I use it to speed up a video it inserts more frames than expected. My ffmpeg version is the following: ffmpeg version 6.0-static ...
IvanProsperi94's user avatar
0 votes
1 answer
65 views

FFMPEG Concat Demuxer adds more time to output than expected

I am using ffmpeg concat demuxer to join multiple(189) videos together. The videos are originally split from a single video using the following command: ffmpeg -ss time[2] -vsync 1 -copyts -i ...
Shreyas's user avatar
0 votes
1 answer
29 views

How can I slow down my media time stamp in Camtasia 2023 so it is in sync with a slowed down video?

I have a Camtasia video where the main track is playing at half-speed (slo-mo). I want to have a media timestamp or clock of some kind that shows the correct amount of elapsed time. My main track is ...
Mike Stephenson's user avatar
0 votes
1 answer
52 views

After adding subtitles the second audio track gone

I have a video with 2 audio tracks. After using the following command line the other audio track is gone ffmpeg -i "movie.mkv" -i "subtitles.ass" -c:v copy -c:a copy -c:s copy &...
Natsu07's user avatar
0 votes
1 answer
120 views

Is there a way to combine two videos interlaced frame by frame with a single ffmpeg command?

I have two videos and I want to go through them frame by frame taking one frame from video 1, followed by 1 frame of video 2 then the next frame of video 1, followed by the next frame of video 2. Like ...
TimothyP's user avatar
1 vote
1 answer
25 views

Post Production Video Effect: How is this done?

I found a YouTube video with a post-production editing effect I'd never seen before. Could someone explain how they did this, and what software they used? Below is the link to a short Loom video. ...
Pavi's user avatar
  • 11
0 votes
0 answers
57 views

FFMPEG - Smooth overlay of two video streams

Using FFMPEG, my goal is to create a video with a "smooth" parallax effect out of two large images. I create two videos out of two PNG images (scroll animation). ffmpeg -y -loop 1 -framerate ...
Saudaggel's user avatar
0 votes
0 answers
45 views

How to calculate the CPU resources required to use ffmpeg to transcode a video stream

I have a SAAS software that does video transcoding using ffmpeg. The hardware is expected to have no GPU and other hardware acceleration technologies. The input video stream will have the following ...
Hải Đào Ngọc's user avatar
0 votes
0 answers
11 views

Looking for a player that can change the background of an RGBA video

Is there a Video Player for Linux where I can play a RGBA .mov file and set a Background Color? VLC is displaying transparency as black and I've found no way to change that. I know that OBS is capable ...
swimmingplaces's user avatar
0 votes
0 answers
687 views

How to use FFMPEG with stream as an input in C#

0 I want to use FFmpeg for frame extraction with a stream as an input in C#. However, I am encountering a failure while processing files that have metadata present at the end. FFmpeg tries to read the ...
Deepak Sharma's user avatar
0 votes
0 answers
12 views

Is there a math formula computing the size of the video given its video and audio information?

I have a short video of length 11s in mp4 format. As you can see from the screenshot, it is 1080 by 1920 with Data rate 2097 kbps and total bitrade 2208 kbps. Frame rate is 30.00 fps. The audio bit ...
user506835's user avatar
0 votes
0 answers
105 views

How can I find the best start and finish frames for looping a video?

Is there a way I can programmatically identify an ideal start and finish frame for looping a video using freely available or open source tooling such as ffmpeg? I found this solution which is close, ...
Quddus George's user avatar
0 votes
0 answers
156 views

FFMPEG converts HEVC with Alpha mov to PNG sequence not work well

I have a mov file with HEVC with Alpha codec on Mac. The mov file has no background color, but have some foreground contents in it. I want to use FFMPEG to grab some PNG pictures from it. Following is ...
topfortune's user avatar
0 votes
0 answers
63 views

How to add audio every x time [ffmpeg]

I have a file video.mp4 and file audio.mp3, how to with the audio inserted every 2 seconds of video i try it but doesn't seem right. Please help me! ffmpeg -i video.mp4 -i audio.wav -filter_complex &...
Muon Roi's user avatar
0 votes
1 answer
38 views

how to extract segment of input.mov, loop an image at the end, and then replace audio with segment of audio file?

I've got a movie that I captured with my iphone. Let's call it input.mov. Having edited this video using my iphone, it appears to have dimensions of 1370x970, at least according to the iphone's ...
S. Imp's user avatar
  • 103
0 votes
0 answers
28 views

Can someone please tell me what A.I. software was used to create these videos?

Can someone please tell me what A.I. software was used to create these videos? https://www.tiktok.com/@conspiracyworld_/video/7254322742898494762
user41808's user avatar
0 votes
0 answers
10 views

Converting updating series of images to video with different durations using ffmpeg

My program generates images with different frame durations. I want to generate a video of them using ffmpeg simultaneously while new images are generated I know how to generate a video using concat ...
HMD's user avatar
  • 101
0 votes
0 answers
79 views

Broadcast is interrupted while streaming udp with ffmpeg

When I start a UDP stream with ffmpeg on Debian 11 server, I'm trying to transfer this UDP stream to set-top boxes via the Stalker portal. However, when I start watching these UDP streams through VLC ...
ömer gümüş's user avatar
0 votes
0 answers
27 views

Issue with repairing 3GP video using untrunc - Error: bad track: 's263'

I am trying to repair a corrupted 3GP video using the untrunc program, but I'm facing an issue due to an error. The command I ran: ./untrunc -v ~/Desktop/logic/Video0086.3gp ~/Desktop/logic/Video0035....
hsrv's user avatar
  • 1
1 vote
0 answers
41 views

How these kind of coding tutorial videos can be made using ANIMATION with your face shown on screen?

I was preparing for an interview and came across this wonderful YouTube channel called Tap Academy. In their videos, the tutor's explanation is amazing, and he uses animations on a whiteboard to teach ...
Sandeep Amarnath's user avatar
1 vote
0 answers
105 views

ffmpeg shows "get_buffer() failed". Is this a bug?

ffmpeg version 2023-06-19-git-1617d1a752-full_build-www.gyan.dev i7-1255U, Windows 11 The command line is "ffmpeg.exe" -y -hwaccel qsv -ss 00:00:03.461 -to 00:00:12.009 -i "input....
Ryan's user avatar
  • 11
0 votes
0 answers
92 views

Adding Subtitles to a VAAPI/QSV 10bit Accelerated Transcode

I've been converting some of my BluRays to watch on a streaming machine elsewhere in the house but I'm having trouble when it comes to burning subtitles, or more specifically, I'm having trouble ...
Enverex's user avatar
0 votes
0 answers
263 views

Compare 2 videos at different frames with ffmpeg

There is this nice ffmpeg command: ffmpeg -i video1.mp4 -i video2.mp4 -filter_complex "[0:v][1:v]blend=difference,blackframe=1:10" -f null - This command compares 2 videos but always at the ...
hell's user avatar
  • 1
0 votes
1 answer
58 views

How to draw - scalable - "EBU safe areas" in ffplay

we need to preview videos with overlayed so-called "safe areas" according to this EBU document: SAFE AREAS FOR 16:9 TELEVISION PRODUCTION. Here's the scheme for 1080p resolution: Those ...
FORART npo's user avatar
0 votes
0 answers
25 views

Trimming ffmpeg

I used this command to trim the video: "ffmpeg -i input.mp4 -to 00:06:49 -c copy out1.ts ffmpeg -ss 00:07:13 -i input.mp4 -c copy out2.ts ffmpeg -i 'concat:out1.ts|out2.ts' -c copy output3.mp4&...
Raymond's user avatar
0 votes
0 answers
82 views

unable to record desktop using latest gstreamer in ubuntu 22.04

I can broadcast my desktop to a rtmp server successfully using gst-launch-1.0 ximagesrc use-damage=0 show-pointer=false ! video/x-raw,framerate=30/1 ! videoconvert ! queue ! x264enc ! queue ! flvmux ...
tapas kundu's user avatar
0 votes
0 answers
52 views

Use ffmpeg to "overlay" a png on top of an entire video file

I want to be able to use a command to "edit" a video to have an image over the entire length of the video. Some videos I download have hardcoded subtitles that I want to remove. But I also ...
Mycheze's user avatar
0 votes
0 answers
21 views

Live Streaming a Live Event

TLDR: What do I need to do to set up a decent quality live stream of a live event? I'm talking gear, setup, the whole thing. I'm no stranger to video production but I'm getting an increased amount of ...
Jamie Bruce's user avatar
0 votes
0 answers
41 views

Replace MP4 I-Frames with a placeholder

I have an MP4 file which I want to manipulate on a hex basis, without re-encoding. More specifically I want to replace the I-Frames of the MP4 file with a kind of placeholder code. What I want to do ...
kavofa's user avatar
  • 1
0 votes
1 answer
16 views

Overlay text annotation on an independent video track

I have 25 short videos of family (~3 min each) that I would like to label with names of the various people. There can of course be many people on the screen at once, so I need to be able to add ...
Nick K9's user avatar
  • 101
0 votes
1 answer
214 views

How can I rotate and resize a video with ffmpeg?

I use a programm that needs .mp4 video files in the resolution 1080x608 px (width x height). My original videos have a smaller resolution - mostly 640x480 px. I have to rotate my original videos 90 ...
dabri's user avatar
  • 1
0 votes
0 answers
23 views

GoPro 11 video colour fades after export

I recently bought a GoPro Hero 11 Black Camera. It records 5.3K quality videos, which is crips and rich in colour. But whenever I try to edit and export using any known video editor, it simply fades a ...
vijayraj34's user avatar
0 votes
1 answer
41 views

Handbrake Output Visually Freezes on Interstitial

I downloaded an m3u8 stream using a Chrome plugin, and it created an mp4 file which I can play fully in VLC. Next, I am attempting to use Handbrake to encode this file to be played on an old iPod Nano....
Matt Mc's user avatar
  • 101
0 votes
0 answers
14 views

How to Stabliize Video when foreground and background are similar?

I have a video of a lizard. The lizard matches its environment very well making it difficult for predators and algorithms to distinguish it from the background. I've tried using 3 different online ...
Al Lelopath's user avatar
0 votes
1 answer
180 views

With ffmpeg print onto clipped video hh:mm:ss time *from original* and hh:mm:ss total duration from original

I am using arch linux and bash and ffmpeg, all are up to date and the latest versions. I am clipping a video that is 30 seconds long and wish to clip from 5 secs to 10 seconds to a new file, from the ...
Kes's user avatar
  • 141
0 votes
1 answer
12 views

Is Interlaced Scanning compatibile with Dolby Vision

I've tried setting the resolution to 1080i while Dolby Vision is active and it would revert to 2160p. So is Interlaced Scanning compatible with Dolby Vision? I didn't manage to find a definitive ...
Invader Zim's user avatar

1
2
3 4 5
39