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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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745 views

Can I change the X rotate the xf86-video-fbdev during execution?

Below is my /etc/X11/xorg.conf.d/1-fbdev.conf. /etc/X11/xorg.conf.d/1-fbdev.conf Section "Device" Identifier "LCD" Driver "fbdev" Option "fbdev" "/dev/fb0" Option "Rotate" "UD" EndSection I ...
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3k views

G-Sync on Linux — how to get it working?

I have a new system with a couple of 4K monitors with G-Sync support (Acer XB280HK), and a card capable of driving them (Geforce GTK 970). I have the Nvidia proprietary driver installed, version 352....
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83 views

How to loop over display numbers in .xprofile?

Is there a simple command to get all the display numbers (and only the display numbers) connected to the computer? The use case is that I'd like to have separate colour profiles ~/.color/icc/${display}...
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6k views

Switching from Nvidia proprietary driver to Nouveau driver for Nvidia card on Debian wheezy

I am running Debian wheezy. I have the following Nvidia graphics card installed: GeForce 7300 SE/7200 GS. I am currently using the proprietary Nvidia graphics drivers. I have the following packages ...
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0answers
52 views

restrict access to the webcam to certain user/software on Ubuntu 16

I would like to restrict the access to the webcam only to certain programs/users. I use Ubuntu 16.04. If I am right my webcam is linked with /dev/video0 (just as an example), which is owned by root ...
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942 views

Hardware video acceleration in VLC

I have not been able to get VLC to use VA-API on my machine and it's driving me insane! I'm running Arch Linux on a ASUS ZenBook UX305CA with Integrated Intel HD Graphics 515. I have installed libva-...
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951 views

find original video if you have a short clip from it

I while back I wrote a paper with simulations, and to illustrate some points, I made a few cuts from chosen from long videos of the simulation running. Unfortunately, I absolutely forgot to record ...
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263 views

“Stretching” subtitles with command line tool

I got a video file with a duartion of e.g. 30 mins and a subtitle file that belongs to this video. But the subtitle file only lasts 25 minutes. Now I'm searching for a way to achieve the following: I ...
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0answers
1k views

sound recording with motion?

I want to set up a daemon that starts recording video with sound when it detects noise or movement. There are tools that do that separately but can they be done at the same time? Can I set up motion ...
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0answers
433 views

Are Apple Live Photos supported on Linux?

I have a lot of Live Photos that I took with my iPhone. Is there any Linux application that supports viewing this combination of a photo and video file? I know I can split the photo and video parts ...
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400 views

Streaming realtime video

I'm trying to stream realtime video from gstreamer under Ubuntu to VLC under Windows. Gstreamer is started via script: v4l2src device=/dev/video0 ! video/x-raw,width=320,height=240,framerate=30/1 ! ...
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150 views

How to create a Music Mix video with kdenlive?

I am trying to use kdenlive (0.9.10) on Ubuntu 14.04 to create a simple music-mix clip (for youtube). This clip has a total length of about 90 minutes and is composed of several mp3 tracks, which ...
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597 views

Black Screen Booting Into Linux Mint (On Dual Boot Machine w/SLI + 2 Monitors)

I'm currently dual booting Linux Mint and Windows 8 on a machine with dual ASUS nVidia GTX 770s running in SLI (on an ASUS Z97-Deluxe motherboard). Everything works fine on the Windows side, but when ...
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0answers
3k views

Using RAW video encoding with gstreamer & VLC

I'm streaming RAW video with gstreamer like so: gst-launch-1.0 -v videotestsrc ! rtpvrawpay ! udpsink host="127.0.0.1" port="5000" This outputs the following caps: caps = application/x-rtp, media=(...
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300 views

Libav: Find out the exact time that the first frame coming from an RTSP stream was dumped into a file

I am dumping an RSTP stream from a web camera into a file using avconv: avconv -f rtsp -rtsp_transport tcp -i rtsp://user@password/ 192.168.1.4/stream.cgi -t 100 -c:v libx264 -s 1024x768 -an /home/...
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1k views

Stereo capture with v4l2

I am trying to capture images from 2 cameras using the driver v4l2. I want to capture them at the same time so I use threads with conditions to start the capture at the same time. The problem is that ...
3
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0answers
369 views

How to route one video device to multiple programs

I'd like to direct the output of a single capture card (Hauppauge PVR-150) to two programs: VLC (for streaming on LAN) and MythTV for scheduled recording. I think it's possible to do this with the ...
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0answers
466 views

Bad HD video deinterlacing processing

I have Ubuntu 12.04 32-bit with Unity. My system configuration is: CPU: Core 2 Quad Q6600 (2.4 GHz) RAM: 8192 Mb DDR2 Kingston Video: Palit GeForce GTX 260 216 SP, and my screen resolution is ...
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0answers
20 views

External network display for playing media

On my Windows 10 computer I was able to right click a media file (video) and choose "Play To ..." and then select my Sony Tv which was plugged into the network. The video would then play with the ...
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0answers
390 views

Use guvcview to setup Logitech C920 webcam and keep configuration

I have a Logitech C920 webcam connected to my computer running Debian Linux. I want to access the stream by using mplayer (/dev/video0) and it works out of the box. However, the saturation/brightness/...
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0answers
88 views

Playing pdf with embedded animations

I have been trying to find a PDF viewer in Linux with the ability to play embedded animations (with the video data saved into the PDF). I have read tens of forum questions and tried many different ...
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827 views

E: Package 'gstreamer0.10-plugins-bad' has no installation candidate

I turned on the "Video Capture" option in VirtualBox, recorded a video in webm format, shut down the virtual machine and tried to play this video, but I got this error in the Totem video player: An ...
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0answers
70 views

adobe premiere elements 12

My MS Win8.1 got corrupted on a Dell M4500. I would love to just run linux on the new SSD I installed and not pay MS another dime for Win10 pro. But I need Adobe Premiere Elements (linux editors don'...
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499 views

Is there a video player for Linux that has thumbnail previews?

When watching videos on Youtube some of them display thumbnail previews when the mouse if hovered along them time line? The picture below shows the thumbnail of the video at 3:31. Some Windows video ...
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538 views

How to get video mode given by hwinfo when it doesn't work? And how to set login resolution?

I tried to follow the suggestion at this previous post: Use sudo hwinfo --framebuffer as described, choose a video mode you would like to see during boot in console, then add the option vga=nnn to ...
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0answers
600 views

Linux Mint - Glitch in Screen Recording video files

I am new to Linux, and most things seem to work fine; but it is not the case of Screen Recording. I have tried with the following programs: OBS Studio Voko Screen Kazam And I have tried with the ...
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0answers
797 views

HiDPI screen and scaling

I recently got a new work laptop which has a native resolution of 3200x1800. It works great. I've been able to get things to be mostly the right size with KDE's display scaling... but it's not quite "...
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0answers
512 views

Using mpv ASCII output with w3m

mpv is a video player that can output ASCII video (like mplayer2 and vlc, but with colors). I would like to use it with w3m, within w3m or showing a link to open it in another window using mpv. For ...
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0answers
191 views

Record video from camera and get frame number on demand

I'm using avconv at the moment to store the input of my camera as an video. This works fine. Now i'm asking myself if it is possible to get the current frame number at a particular time of the video ...
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0answers
1k views

Why am I losing audio on VLC when playing HQ videos?

I am having a problem with VLC when I play HQ videos (720p and higher): when I try to look for a particular scene (say I am playing a movie and want to get to go to 30 minute mark) the sound goes off. ...
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0answers
406 views

mplayer couldn't find audio filter 'resample'

I've been converting a bunch of mp4 files to dvd format with movie-to-dvd (from videotrans). Most of the converting went fine, but some files can't be converted and fail with the following message: ....
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0answers
379 views

Capture timestamped X mouse events, and render a video with custom mouse pointer?

I am typically using recordmydesktop to record some application interaction; however, on my system, recordmydesktop always shows the same mouse pointer/cursor (the arrow) - regardless if, in reality, ...
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0answers
1k views

How to display audio visualization in VLC while playing video?

I've tried enabling all of the entries in Audio → Visualizations, but they don't show up. Disabling the video track didn't help either. Running VLC 2.1.5 Rincewind on Awesome WM.
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0answers
331 views

Open a program (VLC) and move it to the foreground

On a Mac, specifically, when I use the VLC command line to open a video file, it opens in the background by default. How can I instead move it to the foreground whenever I run the command to open a ...
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0answers
1k views

Convert images and animated gifs to video

I use the following FFMpeg command to convert images to video. for file in %N; do ffmpeg -framerate 15 -pattern_type glob -i '*.jpg' -vf "scale=min(1920/iw\,1920/ih)*iw:min(1920/iw\,1920/ih)*ih,pad=...
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0answers
598 views

Motion command images are jibberish

It seems my motion command config will not take complete pictures. It used to take a few tiny ok images, and a garbled image, now after adjusting it to full resolution it takes a large image of ...
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0answers
1k views

omxplayer playlist without black between videos at 1920x1080

I'm reading lot of posts/people using Raspberry and omxplayer (with some Python or script helper program) to allow playlist management without gaps between files (launching one file and pausing it, ...
2
votes
0answers
1k views

avconv error: av_interleaved_write_frame

I use avconv to cut a video and to remove subtitles. Depending on the length of the output video, I get a success or and error. The input video has the following information: avconv -i video.mkv ...
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0answers
1k views

How to configure FreeBSD to run headless without hitting high interrupt rates?

When running headless (without monitor, keyboard, mouse attached) FreeBSD versions 8.2, 8.3, 9.0 and NetBSD version 5.0 has known issues (FreeBSD PR 156596, NetBSD 46596) to generate extremely high ...
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0answers
2k views

FreeBSD and i915KMS result in black screen

I only had 800*600 resolution when I installed xorg and openbox. I did some digging and I found out for Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller I have to active it. so ...
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0answers
176 views

Hauppage WinTV USB 40001

I have tried, unsuccessfully, to hook up my (very old) video capture device. I have tried making it work with tvtime, but to no avail. I've tried sending messages to th e dsitribution list but I've ...
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0answers
2k views

Problems with sound in Linux Mint 15 on video

Problem: I think you'll enjoy this fun problem. I set-up a dev/media server. Steps to reproduce: Start up any video file (with Banshee or VLC or xfce player - doesn't matter) -- all is well. Sound ...
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votes
0answers
333 views

Are there any alternatives to Media Lovin' Toolkit (MLT)?

I'm looking for command-line Linux tools for creating video slideshows from images and video clips. I would also like to implement a variety of transitions and effects. So far, Media Lovin' Toolkit (...
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0answers
2k views

Rotating a video (ubuntu 12.04)

I have a video, shot on my android phone, which I want to rotate 90 degrees clockwise for computer viewing. Here's what I expect should work: ffmpeg -i infile.mp4 -vf "transpose=1" -an -vcodec mpeg4 ...
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0answers
252 views

Graphics glitches when I open web pages

Whenever I'm browsing some websites, some graphics glitches appear, like in this screenshot: This happens with any Linux distribution that I use. Sometimes, the windows of these programs themselves ...
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0answers
643 views

Player or plugin that can transcribe audio to real time subtitles

I'm searching for a Linux player (or a plugin for an existent player) with a similar functionality to Youtube: transcribe the audio to real time subtitles. I would like this to help me watch videos ...
2
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0answers
641 views

Howto reduce skype video outgoing traffic?

Issue background I'm having having problems with skype under linux. My video calls are all the time non-continuous and they're getting stuck. The situation is the same whether I use skype alone, or ...
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0answers
2k views

Matlab's Image acquisition toolbox doesn't recognize my webcam

I have to work with the image acquisition toolbox in Matlab and I find it quite disturbing to always change to windows. So I installed Matlab 2010b on my Linux machine (Arch, Kernel 39). Skype & ...
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0answers
76 views

Why is VLC Media Player playing videos like this?

Please see the short GIF recorded screencast of the problem in action. This is how all videos open and play, I cannot see a darn thing, just these big colored bars where the color is taken from the ...
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0answers
165 views

Multiple /dev/video for one physical device

First some specs: my computer is an HP EliteBook 8460p. It comes with an integrated Chicony HP HD webcam. My issue is that a lot of applications (well, at least Skype and guvcview) are displaying ...