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19 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 ...
0
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0answers
21 views

How To make my pc read composite video

I have a HP media center 8100n that i upgraded from Vista to Ubuntu 14.04 after a HDD replacement. The tower has a WinTv card on the back and composite video inputs as well as an S-video Input in the ...
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1answer
34 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
123 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 ...
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0answers
45 views

audio device not found! arecord -l has strange behaviour

I am in a very strange situation. I have a commodity hardware. I attached my webcam (Logitech C525) .Now here is what is happening: Running a record -l produces this output ...
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3answers
361 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, ...
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1answer
113 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
848 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
37 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
7k 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 ...
0
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1answer
97 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 ...
1
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1answer
640 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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0answers
2k views

How do you use a Dazzle DVC 100 Capture Card on Ubuntu 12.04?

I've been wanting to do it for a long time. Ever since I installed Ubuntu 12.04. I looked at tutorials all over the internet, and had no luck. I tried these instructions, (like another user) and he ...
2
votes
1answer
699 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
19 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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2answers
737 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
2k 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
1k views

Can I record playback with audacity without Pulseaudio?

I'm trying to record output (that what I can hear) with Audacity, but no sound recorded. I have found some instructions how to record with Pulseaudio, but I have only Alsa. I can't see any option in ...
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1answer
2k 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 ...
0
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1answer
994 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 ...
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1answer
244 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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3answers
10k 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
2k 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? ...
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3answers
9k 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 ~$ ...
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4answers
11k views

Is there a CLI webcam image grabber that works with a video4linux2 device?

I've tried everything in apt-cache search webcam |sort -u and everything has some problem. Correcting any syntax mistakes, showing how to use a "GUI only" from the CLI or a good ...
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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 ...
0
votes
1answer
465 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, ...
3
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1answer
2k 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 ...
2
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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 ...
2
votes
0answers
667 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 ...
5
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4answers
8k views

Getting a Conexant CX23885 TV Capture Card working

I'm new to Linux, and am trying to get my Capture Card working on 11.04. The only command that I know to run to find out any information is lspci, which tells me that I have 02:00.0 Multimedia ...
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2answers
2k views

Recommended USB video capture device

I'm going to do some reverse engineering on a device with a composite video output. It would be great if I could just plug this in to my Ubuntu box and be able to record video as well as view the live ...