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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0
votes
1answer
16 views

Play videos in a different screen without showing desktop environment and cursor interactions in Gnome

I'm editing videos for a live music event. There's a video for each song. I'll have a projector and each song will have a video playing in a big screen behind the artists. I have the length for each ...
2
votes
1answer
2k views

How to view adobeconnect video offline?

I want to watch some lectures created with adobeconnect. I have the lectures downloaded to my Ubuntu 12.04 machine. Each one consists of a stream that includes a video window of the professor ...
2
votes
4answers
141 views

How can I reverse a video clip?

OS is Debian 8. I have a file clip01.mp4 that I would like to reverse, so it plays backwards. Audio can be discarded or reversed as well, doesn't matter. Apparently ffmpeg is deprecated in favor of ...
0
votes
1answer
81 views

XBMC crashing while playing SOME but NOT ALL videos

I am using Frodo on Ubuntu 14.04. XBMC is crashing when playing some but not all videos - most videos work. My hardware specs (old computer) 00:00.0 Host bridge: Intel Corporation Mobile ...
1
vote
1answer
660 views

Can't find vgaswitcheroo directory in CentOS6

I've installed CentOS6 on my laptop, which has a built in VGA and a discrete (AMD) VGA. I used to switch AMD video off in other distro's (e.g. Fedora, Arch) using: $ echo OFF > ...
1
vote
1answer
47 views

Permisission with mplayer

I am trying to use mplayer to directly play video into the framebuffer. Currently I cannot get the audio and video to play on the same run level. The audio devices will only connect if I am in user ...
5
votes
1answer
2k views

VDPAU library not found

I want to try this VAAPI backend for VDPAU. I have compiled mplayer with vdpau in Gentoo Linux (amd64) but I get this error: Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object ...
0
votes
2answers
164 views

ffmpeg batch convert .avi to .mp4 - in ash

I'm looking to batch-convert a directory (or several) of video files from .avi to .mp4 containers, just copying the video and audio streams across. I know the ffmpeg command to do this, and have no ...
1
vote
1answer
1k views

Ffmpeg problems on centOS 5.8 64 bit

I did install ffmpeg with winff, unsuccessfully when I try converting avi to x264, it says I don't have it. When I try to convert mp4 to Xvid I get unknown encoder 'libxvid'. It's like nothing really ...
2
votes
1answer
44 views

How to deal with tearing in Gentoo on NVIDIA?

See Why is video tearing such a problem in Linux? for the reasons behind why tearing is a problem in the first place, and why the usual "tricks" usually suggested (like "disable compositing", ...
2
votes
1answer
714 views

azap from LinuxTV dvb-apps strange signal behavior with Hauppauge WinTV-HVR 950Q

What I want to do I have a Hauppauge WinTV-HVR 950Q USB-TV-Stick. I want to use this stick to successively tune to and read in a certain live TV stream. What I do I trigger a scan and save the scan ...
0
votes
1answer
765 views

Playing or converting .dv4 files in Linux

I need to find a way to playback a number of .dv4 files on Ubuntu 12.04 and Fedora 20, possibly after having converted them to a more conventional format. So far I have managed to convert the files ...
2
votes
0answers
443 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 ...
1
vote
1answer
423 views

How to enable graphics acceleration for SIS 771/671 on Zorin OS 8 lite (lubuntu 13.10)

I'm new at linux. I'm strugling with getting things work properly on my first linux installation on old laptop. Anyone knows how can I check/test my 2d acceleration? See if it's on/off and working ...
0
votes
0answers
29 views

Mean Opinion score (MOS) : Measuring video streaming quality [closed]

I am working on prioritizing video streaming traffic. To test how well my algorithm is performing, I need to measure video streaming quality. I have heard of a term Mean Opinion score (MOS). I tried ...
15
votes
8answers
6k views

What software can I use to do live screen-casting in linux?

I'm looking for a software to do live screen-cast of our local user group meeting. What software can I use to do that? Ideally I'd like to capture the computer screen and speaker's audio and stream it ...
1
vote
0answers
10 views

Difference of meta-data between mdls and mediainfo [migrated]

I was wondering what are the difference between the type of metadata returned by mdls and by mediainfo. Why are they different? For exemple why the creation date is different on the same file? ...
0
votes
1answer
999 views

Arch: libGL: screen 0 does not appear to be DRI3 capable

I've a problem with certain 32 bit game on 64 bit Arch Linux. It looks like the problem lies in my 32 bit enviroment which cannot see my 64 bit NVidia drivers. When I launch 64bit version of ...
1
vote
1answer
23 views

Fix flv file with small errors

I have a couple of flv files downloaded with youtube-dl. When they are played they fail after a few minutes with: Unsupported video codec (X) where X is e, 9, or b. My guess is that one block is ...
1
vote
0answers
29 views

Script for changing monitor refresh rate when fullscreen on a specific website.

Premise I recently discovered this website where I can watch legal streaming of plenty of animes. They use a flash player and the CEO said that, for legal reasons, they can't use a HTML5 player. The ...
0
votes
1answer
43 views

Cannot stream webcam [on hold]

I am trying to stream USB webcam image through LAN but I use this command and when I do it as root there is a problem. But when I do it as regular user I have no permissions. How to solve this? ...
0
votes
0answers
5 views

Using Devede to burn an already converted video file?

How do I burn an already converted video file saved on my desktop to a dvd using the Devede program, as far as I can tell it only burns after a conversion..
-1
votes
0answers
31 views

FFmpeg - Delete unwanted section on video without re-encoding?

Using ffmpeg to copy (extract) part of video without re-encoding audio/video, this is what I did: ffmpeg -i video-in -vcodec copy -acodec copy -ss 00:10:00 -t 00:02:30 video-out How to ...
0
votes
0answers
92 views

Install AMD Proprietary Drivers on Manjaro

I'm using Linux Manjaro 0.8.13 on my laptop and want to install proprietary drivers. Here is what i have: efog# lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation ...
22
votes
3answers
6k views

GIF screencasting; the UNIX way

To take a static screenshot of a selected part of my screen, I often use scrot with -s shot.png. This is great for adding illustrations to StackExchange posts. I even found this script to ...
1
vote
1answer
17 views

Record/Capture desktop for specific time period

I use gtk-recordmydesktop and/or recordmydesktop to record my desktop and create screen-casts. I need to record my desktop for a given period of time, let's say 1 hour, so that I can record stuff ...
5
votes
2answers
1k views

Is there any equivalent to the atempo ffmpeg audio filter but for avconv to speed up video(and audio)?

As noted here, we could speedup audio with ffmpeg using ffmpeg -i input.mkv -filter:a "atempo=2.0" -vn output.mkv But on Ubuntu, ffmpeg is replaced by avconv, and the atempo filter is not available ...
3
votes
1answer
8k views

No video with HTML 5 player in YouTube under Iceweasel

Today I noticed that I get no video (the audio is there) when watching an YouTube video using the HTML 5 player (enabled on http://youtube.com/html5). If I use the Flash player, all works correctly, ...
0
votes
0answers
32 views

Black screen trying to install CentOS 6

I've got a windows 8.1 Acer Laptop and I'm trying to put CentOS 6 on it as a dual boot set up. The laptop doesn't have a CD drive. I've already partitioned my hard drive. I've used Unetbootin to put ...
0
votes
0answers
11 views

VLC exporting video frames uncontrollably, can't figure out how to stop it (possibly related to ffmpeg)

I have a very peculiar problem. Every time I open a video in VLC, in any format, it immediately begins exporting frames to my Pictures folder I tried deleting VLC and reinstalled a newer version but ...
1
vote
0answers
57 views

Run 2 instances of xinit with output to separate video out

I have a video card with 2 video outputs. I want to run 2 instances of xinit and draw 2 different displays. I want one display to be output to one video out and the other to go to the other video out. ...
1
vote
1answer
92 views

How does the Linux kernel initialize console graphics?

Observation: I switch on a Linux box Boot loader displays its output on screen Boot starts with first output messages Screen goes blank, and never comes back on. Note: this is about the console, ...
12
votes
2answers
50k views

How to set the resolution in text consoles (troubleshoot when any `vga=…` fails)

It is a common way to set the resolution of a text consoles (that are usually available by Ctrl-Alt-F1 thru Ctrl-Alt-F6) by using a vga=... kernel parameter. I'm using Ubuntu 10.04 Lucid, output of ...
0
votes
0answers
31 views

Playing quicktime movies in SuSE13.2

How can I play a Quicktime movie using SuSE 13.2? I have read this question and the accepted answer there. Unfortunately, it does no longer work with SuSE 13.2. I tried to find an rpm for ...
1
vote
1answer
152 views

Old ATI Video Card on Debian 8 - Xpress 200 - model: 1150

Well, my problem is very complicated, I've an old machine (Dell Vostro 1000) where I'm using Debian 8 with XFCE. This machine have an integrated video card (ATI MOBILITY RADEON XPRESS 200 - Model: ...
2
votes
1answer
48 views

How to make a multi-video driver Linux system?

I'm trying to create a USB that I can carry anywhere with my system on it, I know there are Live distros that can be used that way, but I need a very specific installation. The problem is that the USB ...
9
votes
2answers
10k views

How to convert a VOB file to avi?

I am trying to convert a VOB file copied from a DVD into an avi in Ubuntu 13.10. I tried dvdrip, which failed due to a frame count error or something. I tried acidrip as well, but it always choose an ...
1
vote
6answers
4k views

Fast tool to generate thumbnail video galleries for command line

I use gframecatcher to generate thumbnail video galleries, i.e. something like this: However this is a GUI tool and I want to create recursively a gallery for every video in a directory structure, ...
0
votes
0answers
118 views

avconv: remove audio stream, keep audio and video synchronized

I have an AVI file with one video and three audio streams. I would like to discard two of the audio streams, keeping only one. I tried to do so using avconv (v11.3-6): avconv -i in.avi -map 0:0 -map ...
2
votes
0answers
104 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 ...
1
vote
0answers
13 views

How to completely disable video acceleration?

The issue is with a custom linux rk3066(ARM) build. When I try to play a video file, X-server crashes with segmentation fault and I get: main vout display error: failed to resize display. I am sure ...
0
votes
1answer
24 views

How to use Mac Camera on Ubuntu Desktop

I am trying to feed my mac's camera into my ubuntu desktop. Any advice on either how to do this or the proper forum/resource to use to find out?
0
votes
1answer
89 views

how to convert MOD video file without loosing quality to modern popular format for TV

I have MOD video file. My LG TV doesn't support MOD. How can I convert MOD video file without loosing quality to modern video format to watch it on different modern TVs?
1
vote
0answers
33 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 ...
3
votes
2answers
4k views

How do I convert a MKV file to H.264/AVC with a resolution of 640x360 using FFMPEG?

I have a MKV video which I want to put in my mobile (a Nokia XM 5800) and based on this I can play H.264/AVC format videos on it. Based on what I have read, the container should be MP4 and I can ...
2
votes
0answers
166 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. ...
1
vote
2answers
330 views

Convert a video to a fixed screen size by cropping and resizing

I've tried to figure this out myself, but the myriad of options just baffles me. I want to use ideally either ffmpeg or mencoder (or something else, but those two I know I have working) to convert ...
1
vote
0answers
43 views

What is the kernel frame buffer?

I was reading the "mplayer" man pages trying to play video using just the console, (I don't have or don't want to install X11). It mentions that I can use the kernel frame buffer device which is ...
1
vote
1answer
43 views

outdoor RaspberryPi streaming video access by others with phones and such

I want to attach my already setup, video streaming web server Pi to my kite and allow others in the close proximity to view the video via an IP address. There obviously won't be any kind of commercial ...
3
votes
2answers
434 views

Viewing a screencast encoded with camtasia

I have downloaded the screencast on this page, http://jaderholm.com/screencasts/org-mode/. I can watch in firefox but the viewer has limited controls. So I would rather watch it on a regular video ...