Questions tagged [capture]

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USB webcams with capture buttons

Some USB webcams come with capture buttons. Does anyone know if these buttons are hardware triggers or does the OS issue the capture command when the capture event is detected (thus a huge delay)? I'...
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29 views

Frame capturing from HDMI input, and from composite vide input (RCA)

I need to capture frames from a video stream in my software. What hardware card, and software interface should I use ? Input video stream will be either HDMI, or analog composite video from RCA ...
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i am looking for a ocr capture tool which can recognise text from screenshots

I am currently running ubuntu 20.04. i am looking for a tool that can capture a part of my screen and recognises ocr and instantly copy to clipboard.
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Looking for a Direct capture program

I am looking for a capture program for Linux, and I don't mean anything like Fraps or OBS. I am looking for one that can halt the graphics processing just long enough to capture and save a frame so ...
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1answer
34 views

I want to capture serial printer information so that I can manipulate the data

I need to be able to adjust the bitrate, start, stop, and parity. I would like to use a Single Board Computer or an old Android Phone that is rooted and running a different version of Linux. The data ...
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0answers
2k views

Logitech webcam - focus resetting

I want to capture images from a Logitech C910 webcam in intervals. Problem is that after a shot is taken, the camera resets focus, making the next shot unfocused. I am using v4l2-ctl to set the focus....
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7answers
4k views

Take screenshots in background silently for archive purposes

During my work, I often try out tools of different complexity and develop usage and integration scenarios. I use Ubuntu 18.04 LTS. Sometimes if things get really complicated, I am not always sure ...
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106 views

Periodically FTP upload screenshot possible?

I'd like to take a screenshot every x minutes and upload it via FTP. What's the easiest way to do this? Found this, however it appears to have no possibility to do screenshots periodically: Can we ...
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0answers
852 views

How to use dvgrab to video capture from a laptop/USB webcam?

I expect dvgrab to be smart enough to auto-detect my webcam, but dvgrab - | mplayer - Error: no camera exists So I try the man page USB webcam option $ dvgrab -V Error: v4l2reader.cc:66: In ...
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110 views

Ubuntu VM Capture Port

I have been working for hours trying to figure out how to to set up a capture port on an extra Ubuntu 16.04 server port. Summary: Host machine, Windows 7, has 2 ports. One port is for accessing the ...
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1answer
422 views

gtk-recordmydesktop Set FPS Higher than 50?

So I recently found this program in the Ubuntu Software Store called Record My Desktop, aka gtk-recordmydesktop. I tried out the software, and it's amazing. With the configuration I used, I was able ...
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2answers
3k views

Where is the audio device in Ubuntu 16.04LTS?

For most devices there's a raw version in /dev. For the video devices there is /dev/video0, /dev/video, etc. For terminals there are /dev/tty1, /dev/tty2, etc. For storage devices there are /dev/...
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1answer
7k views

Command Line to Capture Audio and Video from a Webcam to file in 16.04LTS

Similar questions have been asked and answered regarding capturing video from a webcam. There are a number of accepted answers. However, they are either from ancient versions of Ubuntu that are no ...
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1answer
905 views

Taking screenshots from random frames of a video file [duplicate]

How can I take sequential screenshots from a video file using terminal? With ffmpeg I could capture a single frame, but I need something like this
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3k views

Wireshark - Can't open preferences file “/home/guest/.config/wireshark/preferences”: Permission denied

First usage, when opening the Capture Interfaces Options the pop up goes 'Can't open preferences file "/home/guest/.config/wireshark/preferences": Permission denied.' Installation was successful with:...
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1answer
1k views

Can I record a TV screen with a Linux computer?

If I ever decide to get into uploading videos to websites on a game console I'd like to have a Linux that supports TV recording. So basically I'm wondering if something such as a capture card works ...
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1answer
21 views

is there a server installable portal capture software?

I ask this as all i can find online is router installation packages. such as chillispot. I would rather install this directly onto my gateway server than on a router. i also tried using another ...
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355 views

Redirect IP to another Server using SSH

I have an idea for my project like this. I had already root access of a server. The users in this server are using SSH to connect with. What I wanna do is to somehow when they use SSH to connect to ...
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73 views

How to capture from capture card?

I am trying to capture video and audio from my VCR and I keep running into an issue. I go into VLC and click 'Media>Open Capture Device' and everything I select results in an error. The only thing ...
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1answer
296 views

Video recording software

I run Ubuntu 14.04 LTS. I want to record output from a digital decoder to disk so that it can be watched later on. Just to clarify the matter; instead of displaying, or while displaying, the output ...
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1answer
821 views

ffmpeg unrecognized option “draw_mouse”

There is ffmpeg package installed from ppa:mc3man/trusty-media. ffmpeg version N-78590-g5590ab4 Copyright (c) 2000-2016 the FFmpeg developers built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1) When ...
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1answer
886 views

Record screen as well as internal audio?

I'm trying to screen record some videos on a particular site. So far, I have tried simplevideorecorder, recordmydesktop and kazam as well (after browsing several threads here). I can get the screen ...
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0answers
2k views

Avermedia Live Gamer Portable Driver

I have a video capture card from Avermedia called the Live Gamer Portable. It has a pc free mode which can record 720p60fps, but I wanted it to work in the pc mode, to be able to record 1080p60fps. ...
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0answers
143 views

How to make a “Khan Academy's video”

I am a Physics teacher. I want to make a video like Khan Academy do. I have a Wacom table and a microphone. But the problem is when I record my screen, there are too much noise and the volume level is ...
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1answer
10k views

Video capture from usb or firewire

I want to capture video files from an older Canon digital tape camcorder. I have a dell computer with usb and firewire ports. I have 2 cables; one firewire to usb and one firewire to firewire so I can ...
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1answer
5k views

Running multiple pipelines of gstreamer simultaneously in sync

Thanks to help of "thiagoss" I made these pipelines below for gstreamer. one is capturing via Webcam and the other from frame grabber. The thing now is that I don't know how to merge them (I want both ...
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4answers
8k views

How to capture a drop-down menu?

I need to capture a drop-down menu of a program. If I open the menu and then press PrntScr (print screen button), it first closes the menu and then captures the screen. I tried Ctrl+PrntScr, Shift+...
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1answer
336 views

How can I split raw DV files captured by Kino?

I tried using avconv but it throws an error, and I'm not sure what it's telling me: techmachine@techmachine:/media/techmachine/Backup$ sudo avconv -i video.dv -vcodec copy -acodec copy -ss 00:00:00 -...
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1answer
3k views

Elgato USB video capture device #10020840 - I can't tell if it's working, I don't think it is. (Ubuntu 14.04 x64)

I have Avidemux-qt 2.6.8 installed, but under the "video decoder" section, it just says XXXXX. I'm not sure if the drivers are even working for the device. In Windows, I would just check out the ...
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0answers
92 views

avconv recording with built in camera stopped working when i upgraded from ubuntu 12 lts to ubuntu 14

I used following command to capture video from my built in camera avconv -f alsa -i pulse -f video4linux2 -r 25 -s 1280x720 -i /dev/video0 -vcodec libx264 -pre:0 ultrafast dud.mkv -loglevel quiet ...
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2answers
180k views

How to configure WiFi adaptor to monitor mode?

I have just successfully installed a driver (athk9_htc) for TP-Link TL-WN722N (a USB WiFi adaptor) in Ubuntu 14.04.1. My goal is to capture the WiFi traffic with Wireshark. I try to configure the ...
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1answer
314 views

Having issues recording Minecraft with glc-capture

I'm running Ubuntu 13.10 and I'm trying to record some gameplay, as you probably can tell from the title. However, I can't get glc-capture to start Minecraft, it returns this error that I can make ...
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1answer
285 views

Looking the modifications to disable capture for alsa driver

I wrote alsa drivers for mycard by referring dummy.c sound drivers. My card doesnt support capture functionality. I defined playback operations but not capture operations to avoid capture support. My ...
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1answer
2k views

Help with vlc and video capture device error

I am running vlc 2.0.8 and when I try and stream my cctv camera ( an stk1160 video capture device ) I get this error :- cvlc /dev/video0 VLC media player 2.0.8 Twoflower (revision 2.0.8a-0-g68cf50b) ...
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1answer
3k views

Is there any screen recorder with zoom functionality?

I have Kazam as screen recorder, but it does not have real-time zoom functionality. On youtube, I saw some videos recorded under ubuntu and they are zooming in-out while recording. Do you have any ...
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0answers
27 views

What capture card recording software is available? [duplicate]

I'm trying to find good game capture software to use my climax digital vcap 303 with, the disc it came with didn't work (ArcSoft Showbiz)after downloading wine. I have downloaded TVtime television ...
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3answers
3k views

Time and date inside a video capture

Which video capture programs exists with this option: time and date displayed inside the video? I checked these programs, but I didn't find nothing in this sense.
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1answer
3k views

Need Driver for Techwell TW6805A or another Multichannel Capture-Card

I am building a video-mix-server and need a Capture-Card, that captures video in 25FPS at PAL-Resolution from Analog Input devices (min. 4 ones) I found some cards with the Techwell TW6805A chipset, ...
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1answer
4k views

Capture moving images with multiple webcams

I am trying to capture images when there is any movement involved using 2 webcams, each one pointing at different angles. I started to try motion but I am starting to believe is only for a single ...
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1answer
2k views

Help with getting an older WinTV-PVR-150 to work in Ubuntu 12.10

I admit I am completely new and green to the world of capture cards. At the moment, Id only like to view the stream coming from my old VCR as opposed to recording anything (for now). The VCR is ...
2
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1answer
2k views

how to capture scroll window in ubuntu [duplicate]

In windows we can capture scrolled window using the software SNAGIT Is there a software or utility that can be used to capture the entire page.
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4answers
37k views

Bash script to take screenshot and save the image - Ubuntu

I wrote a bash script as below: #!/bin/bash echo "Enter a file name" read filename import -window root $HOME/Desktop/$filename.png I expected this script to take a screen shot and save the image ...
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4answers
4k views

capture login screen-not sucssecful

I'm using Ubuntu 12.04 . If more information is needed, please tell me. I Tried some guides to cature my login screen: How can I take a screenshot of the login screen? http://www.howtoforge.com/how-...
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3answers
15k views

How can I capture text from my terminal without redirecting it to a text file?

Basically, what I would like to do is, instead of just redirecting the out from my terminal command to a file, I would like to have the information also show in the terminal session. If I use ~$ ...
4
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3answers
12k views

Record TV program from VLC

I am using VLC 2.0.1 to watch TV (DVB-T) through my PCI TV tuner Is it possible to record a TV programm as an .avi or .mp4 file? Can I record it with VLC or another app?
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1answer
5k views

Good screen recording program [duplicate]

Possible Duplicate: How to create a screencast? Can someone recommend a good program for recording screen activity, and saving it in a popular video format such as h.264? I am running Ubuntu 11....
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1answer
508 views

Blackmagic intensity pro is a virus. It crash motherboard + PCI + USB devices [closed]

Blackmagic intensity pro is a virus. Do not buy this card anymore? I bought a card and it crashed my whole system. I cant see network anymore getting up. I tested this with: Ubuntu 10.04, 11.04, ...
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1answer
3k views

How To Record Compressed Video From TV Tuner Using VLC

UPDATE: The previous title for this question was "How To Specify Bitrate, Codec and Demultiplexing for VLC Video Capture or Recording." I capture video from old TV tuner card - Pinnacle PCTV - using ...
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1answer
1k views

How to stop crashing my system while using PCI-X1 capture cards?

11.04 64-bit Ubuntu. I reinstall third times and just after installation i have this screen: Now trying with BIOS to disable the PCI-X1 card somehow if i can login at-least else i have to use a ...
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0answers
946 views

How to capture a HDMI device on Ubuntu/Kubuntu? [closed]

I have a Fujifilm S2800HD, that can record HD films, the camera has mini-HDMI output to conect to TV, but i want to know if that is possible to capture what the camera is showing on its own LCD. I ...