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Questions tagged [video]

related or about the video issues, the range varies from playing a video file, the formats, tools to work with it in *nix operatin systems up to issues surrounding it in specific environment (ie. console, framebuffer, X11 ...)

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Trimming a video using FFmpeg leads to black screen

I try to figure out how to use FFmpeg to trim videos. I have created a 30 second .mov screen capture using Apple's QuickTime player, and then tried to trim it using three different ways: Using -...
jsx97's user avatar
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44 views

Pass-through of OBS Virtual Camera to QEMU

I'd like to use my OBS virtual camera in a virtual machine. OBS will not run within a virtual machine unless I perform a GPU-passthrough, which I feel is unnecessary and undesirable in this situation. ...
adamlaughlin's user avatar
1 vote
1 answer
30 views

EXIF-based CLI renaming/querying tool for video/mp4?

I currently use exiv2 0.28.2 tool to accomplish the same task on my JPEG/TIFF/Raw picture files from the command line. It works really great. Unfortunately it doesn't work reliably on video/mp4 media ...
EnzoR's user avatar
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10 views

OpenWRT - RTSP doesn’t work on 802.11b (no video stream, but audio works)

I have an issue with configuring OpenWRT on MT7628 chip from Mediatek. OpenWRT version: 19.07.3 Expected behavior: OpenWRT creates a local Wi-Fi network (no connection to the global internet). Two ...
piotr-de's user avatar
1 vote
2 answers
40 views

How to calculate the Ratio of video file size and video duration of each file in a directory and subdirectories

I want to make a BASH script in Linux. So far I have the following #!/bin/bash for file in $(find "/home/drive1/videos" -type f -name '*.mp4' -o -name '*.avi' -o -name '*.mov'); do size=$(...
dave999's user avatar
  • 25
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1 answer
171 views

What do I do about "No video with supported format and MIME type found"?

I run Devuan GNU/Linux Excalibur (i.e. Debian trixie without systemd), with Firefox v123. Recently, I've been getting errors trying to browse content involving videos (yes, from the accursed social ...
einpoklum's user avatar
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21 views

video playback jerks with totem but runs smoothly with parole

I recently installed a more powerful graphics card (NVIDIA 4070) which I run on linux (debian bookwork/sid) with the proprietary nvidia drivers. With my previous card (a less powerful AMD r9 270x), ...
think nice things's user avatar
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18 views

Gstreamer issues when playing from USB Stick

I use MPV and Parole as my media players. I have a NAS Drive on my network with a few old videos on. I have a USB Stick with the very same videos on. Some of the videos are .MKV, some are .MP4. All of ...
Lee's user avatar
  • 87
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0 answers
144 views

ISO Media Videos thumbnails not showing in pop_os 22.04 LTS

all videos that are ISO media doesn't have thumbnails. I have tried the solutions here, but it didn't work (EDIT: im a noob, so its possibly those didnt work because im using pop_os distro, and those ...
S SS's user avatar
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2 votes
0 answers
126 views

How does this whole FrameBuffer, DRM, KMS stuff work in todays Linux / Kernel?

I'm confused about what is what nowadays with Linux and video support for the console interface vs X. Do the /dev/fb* items only relate to the old original framebuffer support? Does DRM create/support ...
user3161924's user avatar
1 vote
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29 views

How to have the subtitles occupy full screen for an ogg audio file with an srt subtitles files converted into an mp4 video file?

I can embed an mp4 file from an ogg file with embedded subtitles from an srt file alright, thanks to stack*** forums and other internet resources, in two steps: First create a black png file for ...
Rajibando's user avatar
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0 answers
17 views

Autologout gnome wayland

Manjaro, gnome. If I try to log in with "Gnome" I immediately return back to gdm login screen. I can log in and work with "Gnome Xorg". For quite a while wayland seemed to be ...
r0berts's user avatar
  • 730
1 vote
1 answer
390 views

How to remove unneeded languages from video files using ffmpeg?

I have a number of video files (500+) with lots of audio and subtitle streams for languages that I don't need and would thus like to remove to conserve storage space. I tinkered around with ffmpeg, ...
KTorrentNG's user avatar
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621 views

Frequent segmentation faults causing browser and/or system to freeze

I have been having issues for awhile with a new PC I built. I decided to go with Pop!_OS (didn't see a dedicated Pop!_OS forum so here I am) since it is supposed to support a lot engineering and data ...
AKA_Tom's user avatar
0 votes
1 answer
316 views

Stream MP4 file over usb

I have an embedded system running a custom distro built using Yocto. Later down the line, I will have a usb camera plugged into the system, but for not I would like to use a .mp4 file as a "dummy&...
ESD's user avatar
  • 103
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1 answer
93 views

How can install and load mods related to videodev and others?

Same hardware,two debian-11.7 installed in the same pc ,one is on /dev/sda1,other is on /dev/ada2. For the debian on /dev/sda1: uname -a Linux debian 5.10.0-22-amd64 #1 SMP Debian 5.10.178-3 (2023-04-...
showkey's user avatar
  • 385
0 votes
0 answers
453 views

How to synchronize the display refresh rate with the video frame rate in mpv on Wayland?

Video content is usually created in 23.976 or 24.000, 24.976 or 25.000 (PAL), 29.970 (NTSC TV) and 59.940 FPS or 60.000 FPS (mainly web video). For even frame-pacing it's vital to adjust the display ...
user598527's user avatar
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0 answers
144 views

V4L buffer doesn't get cleaned properly

I've been trying to write a c program to capture photos from a uvc camera using v4l. I've managed to gt it to work for the most part but every second time i run the program i get a zero-filled yuv ...
Hristos's user avatar
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98 views

Splash screen is fine, but from the grub boot loader on, the video has obviously got wrong settings: what to do?

I should but don't really know what went wrong, but I strongly suspect the system was first installed on different hardware and then the disk moved over to this production server. ...The "console&...
Richard T's user avatar
  • 214
0 votes
1 answer
395 views

How to limit Video RAM usage on linux?

some processes on my computer are using way too much video card memory for the tasks they're doing. I'd like to impose a limit on these tasks to have the OS limit the on-card RAM usage of these tasks. ...
tuskiomi's user avatar
  • 127
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0 answers
258 views

Change the fingerprint of a video file with ffmpeg without re encoding it

I am searching for a way to edit a video file to not have the same fingerprint anymore. It should not have a high CPU impact and all the tracks of the original file should be copied (so it needs map 0)...
Leon D's user avatar
  • 136
7 votes
2 answers
1k views

How to automatically set the modification (or creation) time of a Quicktime video file based on its meta data?

In a shell, how to automatically set the modification (or creation) date and time of a Quicktime video file based on the metadata in the file with a single command (or a single command line)? For JPG ...
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0 votes
1 answer
183 views

Kdenlive: Rendering crashed with mlt_repository_init, producer_xml and GLib-GObject-CRITICAL errors

I am trying to render a Vertical HD 30 fps video with Kdenlive. However, rendering crashes no matter what output format (GIF HQ, MP4-H264/AAC, MPEG-2, Matroska-H264/AAC, WebM-VP8/Vorbis) I choose. The ...
Scriptim's user avatar
  • 215
1 vote
1 answer
3k views

Completely disable any messages when booting Linux

I want to completely disable the output of any messages on the screen when the system boots. nomodeset, quiet - don't work properly for me. Error messages still appear. Ideally, I want to see a ...
descartes's user avatar
0 votes
0 answers
345 views

What are and how to use the different bluetooth profiles?

I am trying to troubleshoot this problem: After pause no sound with UE Boom bluetooth speaker on Macbook. When the speaker is connected, and I pause a playing stream for some time (more than just a ...
cipricus's user avatar
  • 1,629
0 votes
1 answer
117 views

ffmpeg played AVI video faster than the video is recorded

I am working an embedded Linux system (kerne-5.10.24). Now I am testing the video recording and playing. I recorded a video with command, ffmpeg -f v4l2 -s 640x480 -r 30 -vcodec mjpeg -i /dev/video3 -...
wangt13's user avatar
  • 441
0 votes
0 answers
121 views

CPU spikes to 30% when watching any kind of videos in exodia os (arch distro)

Recently i switched from windows to Linux. I've been trying a lot of distros, but my choice fell on exodia (arch distro based on bspwm). I find it really useful for me as someone who is into ...
Tom Ederson's user avatar
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0 answers
91 views

find/change audio format and avi version of a given avi file

I have an overhead projector that supports playing data from USB sticks. For videos it has the following limitations (quotes from the user manual): file type: AVI The audio format can only playback ...
Kjara's user avatar
  • 131
0 votes
1 answer
324 views

How to join a Microsoft Teams meeting with video just from the Meeting ID and passcode?

There seem to be different kinds of Microsoft Teams links. For example, when I generate a link using the Teams For Linux app, they're of the form: https://teams.live.com/meet/55366767345647 But some ...
Nicholas Saunders's user avatar
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0 answers
152 views

FFMPEG replace specific place in a video

I have a show on my drive. In that series, there is a intro which starts randomly, one time at 2:00, second at 1:33, etc. However, I have a "custom intro" in a file. I want to replace that ...
FaboThePlayer's user avatar
1 vote
1 answer
240 views

How to run a SDL2 demo in embedded Linux system with a LCD display?

I am working on an embedded Linux system (5.10.24), and there is a LCD display in it. Now I am trying to run a SDL2 example in it (from serial console), but I failed to do that. The example codes are ...
wangt13's user avatar
  • 441
1 vote
1 answer
99 views

How to add "rotate video" items to context (right-click) menu in Nemo

I want to add 3 right-click items to the Nemo context menu to rotate a video file clockwise, anticlockwise, or 180°. This is useful when going through video collections that might not have rotation ...
cosmogoblin's user avatar
1 vote
0 answers
228 views

Video capture, one device to another via usb-c only

I was capturing gameplay on one linux device via another. (for Twitch streaming). I had connected them thusly, Gaming PC -> usb-c video output dongle -> HDMI cable -> usb-c capture dongle -&...
DragonFax's user avatar
  • 111
0 votes
2 answers
309 views

Capture a jpeg image / image stream from a console program?

I'm running a headless Raspberry Pi, and would like to convert the console/terminal output to a single jpeg or video stream. For example: capture the output of pbytop every few seconds and stream it ...
dtbaker's user avatar
  • 111
0 votes
1 answer
22 views

how to insert audio from video A into video B (no audio)?

Id like to create a video C with audio from video A but video from video B. Video A and video B have nearly the same length in seconds. Since the videos are a couple GBs, I guess it would be slower if ...
user avatar
2 votes
0 answers
2k views

Secondary monitor not detected by debian, but visible in NVidia-settings utility

The problem I did a fresh install of Debian 11 (Debian 5.10.162-1 (2023-01-21) x86_64 GNU/Linux) on my Omen 15 (15-en0xxx) laptop. SecureBoot is currently disabled in my UEFI settings to ensure my ...
mor3no_kaffee's user avatar
2 votes
1 answer
1k views

Recording/capturing/grabbing remote desktop RDP session as video on Linux?

I have just learned about RDP, and have successfully used remmina on my Ubuntu machine to connect to a remote Windows PC. Now, I would like to record that remote desktop session as video from the ...
sdbbs's user avatar
  • 480
0 votes
0 answers
692 views

How can record audio and video with ffmpeg at the same time?

I want to record with the hard device in my os: lsusb | rg -i camera Bus 001 Device 003: ID 2bdf:0284 SN0002 HIK 1080P CAMERA It is a web-camera. video can be recorded in my os with the ffmpeg ...
newview's user avatar
  • 205
0 votes
1 answer
430 views

xfce4-panel not showing up after switching video cards

I recently changed video cards and now my xfce4-panel isn't showing up. I've checked the process list and found that xfce4-panel is running and I've tried restarting it. I made no other changes other ...
deltaray's user avatar
  • 1,367
1 vote
0 answers
129 views

EasierCAP works in video, but no audio, even though

EasierCAP works in video, but no audio, even though pavucontrol does seem to be showing variations. I tried VLC, ffmpeg, mplayer... All result in the same: Video but no sound. The audio level ...
jcoppens's user avatar
  • 623
0 votes
0 answers
927 views

Downloading a segment of a youtube video and cropping it precisely

I have an interesting little problem. I want to download a specific section of a youtube video, this is easy enough to do with the magic of yt-dlp: yt-dlp -f "(bestvideo+bestaudio)[protocol!*=...
Acorn's user avatar
  • 845
-4 votes
1 answer
83 views

Why don't any Linux distros have a built-in ability to edit media metadata? [closed]

In Windows you can simply right-click a media file and edit its metadata - no additional software needed. Why is this ability absent in Linux? Is there some inherent technical limitation in Linux that ...
001121100's user avatar
1 vote
0 answers
356 views

Webcam's power line frequency setting does not take effect if a new application that uses it is open

I am living in Europe and I have bought a Logitech C920 webcam whose power line frequency setting should be changed to 50Hz in order to avoid flickering. I did it using the following instruction: /usr/...
Roberto Fernández Iglesias's user avatar
0 votes
1 answer
50 views

Bad video and audio performance in all media players

I am having trouble playing any video files on my desktop computer running Pop!_OS. I have managed to get VLC to play audio at the correct time, but the video is delayed. YouTube videos start but ...
TechGuy's user avatar
0 votes
0 answers
2k views

Ubuntu 22.04 USB-C dock no video

I've got a Wavlink WL-UMD502 usb-c docking station connected to a USB 3.2 Gen 2 port (USB-C) with an Ubuntu 22.04 5.15.0.56-generic kernel. I installed the device driver for the Wavlink docking ...
Sir Cyber's user avatar
0 votes
1 answer
22 views

Spurious display of frame-time statistics on some applications

Since I cannot precisely tell what upgrade (possibly nvidia-drivers from 340 to 470 or mesa 20 to 22 or even xorg-server 1.20 to 21) or following the first time I ran glxgears after upgrading ? : I (...
MC68020's user avatar
  • 8,221
2 votes
0 answers
718 views

add/edit custom metadata fields to video files without remuxing?

TL;DR - Looking for a way to edit/add CUSTOM metadata fields to video files without remuxing. I have some media files that I add custom metadata fields to (mostly mkv files downloaded with yt-dlp but ...
zpangwin's user avatar
  • 881
1 vote
1 answer
391 views

How to detect display driver info

Is it possible to check the different status of video drivers when it is on, is off, in error, in no-signal? Example: monitor off - some state 0-, monitor no-signal - some state not connected and so ...
Alessandro's user avatar
0 votes
1 answer
318 views

What is a UVC device and how does it work without drivers?

I searched for video recording equipment to use with Linux. Upon searching I find some products that state that they do not come with drivers because it is a UVC device. Assuming that other products ...
dage86252's user avatar
1 vote
0 answers
411 views

Video files freeze/loop while audio continues to play

When starting the video, monitor flickers on and off 2 times and video freezes or loops on the few first seconds while audio plays as normal, and seek bar moves as it should. Jumping ahead on the seek ...
Bald Eagle's user avatar

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