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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6 views

Capture screen and output to video device

I'm using linphone, I I'd like to share my screen instead of my webcam. Currently, it looks like linphone only supports reading video input from /dev/video using V4L, though I'll be happy to be ...
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0answers
5 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
10 views

How to Do Quality Assurance of Merged Videos?

Code developed originally in the thread How to order and merge many .ts files? which works in statically generated parts of videos to some extend but has limitations in the dynamic view echo ...
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0answers
18 views

How to re-encode file A.mp4 with the same settings as B.mp4?

I have a MP4 file with AAC audio and H264 video, let's call it B.mp4. I also have file A.mp4 with the same picture resolution, but: different FPS possibly different audio/video bitrate different ...
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0answers
25 views

Screen wont work once monitor is disconnected

I have a JetWay PC (JBC375F3AW) running CentOS7. When it boots up everything works OK. If I remove the cable going to the DVI port and re-connect it, it wont work. The same goes if I boot the box ...
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35 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 ...
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0answers
12 views

Chopped fullscreen videos

I have just bought a new AMD A10 7850k CPU and running Fedora 23 on it. Even SD avi, mp4 videos are lagging during fullscreen playback. Configuration is as follows Processor - AMD A10 7850k CPU ...
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1answer
24 views

gstreamer dependencies in HandBrake on fedora

I'm running HandBrake on Fedora 23. The "show preview" feature is not able to actually play video, raising two popups: "Missing GStreamer plugin: MPEG-4 AAC Decoder" and "Missing GStreamer plugin: ...
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1answer
94 views

How to watch discovery.com videos on Linux?

I can't get Discovery videos to play at all in Linux. For example, in Chromium version 47.0.2526.106: Run chromium --incognito ...
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1answer
25 views

How to overlay an audio file with one image file for a YouTube-optimised video output from the command-line?

Is there a command-line tool that allows me to overlay an audio file with one image file and outputs a video file that is optimised for YouTube uploading purposes?
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2answers
81 views

How to stop websites from buffering and auto-playing videos in firefox?

My system is Manjaro Linux with Firefox 41.0.2. When I visit certain websites like youtube or HackerRank, they start playing videos automatically. I want to stop these websites from auto-playing ...
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0answers
18 views

How to broadcast voice from USB microphone to apache?

I have a webcam and a microphone. I wan't to send both, sound and video to my index.php so i can see the video from the camera and hear the sound from the microphone. I already managed to stream the ...
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1answer
72 views

SSH: super high cpu usage when X forwarding a browser's embedded video

Two machines, A et B, on a wired LAN with X11 forward running fine. A is a fully configured Arch linux but has a bad screen. B has a much better screen even though an old netbook, so I work on it ...
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0answers
18 views

recordMyDesktop can't use jackd for audio

If I try to have recordMyDesktop (technically qt-recordMyDesktop) capture audio via jackd, when I hit record it immediately stops with the message: recordMyDesktop has exited with status: 4352 ...
3
votes
0answers
36 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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0answers
31 views

Graphics: how can Youtube videos look fine but movie player videos be completely oversaturated?

I am having trouble watching videos using Movie Player. Youtube videos work fine. It is only when I try to play videos from disk using MoviePlayer that I get unrecognizably oversaturated videos. I ...
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0answers
24 views

What's the canonical way to get individual stream size in a video file?

I have a video file. It contains a video stream, and a couple of audio and subtitle streams. I want to get the size of each of these streams. I've already looked at ffprobe/avprobe and mediainfo, ...
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0answers
54 views

Convert video with broken codec information

I downloaded using youtube-dl from https://www.dr.dk/tv/live/dr2#!/ The saved file is .flv, but it does not play with vlc/mplayer. avconv cannot convert it: $ avconv -i hl.flv hl.mp4 avconv version ...
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1answer
39 views

fast video playback in debian jessie

Video plays too fast in flash browser plugin and some of the video players but not VLC. Installation is fresh except that Nvidia driver is installed.
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0answers
13 views

Jerk in QT media player

I had created Video player in Qt-5.2.0. At backend, Qt is using gstreamer-1.0 for playing video. Whenever I play the video in QT Media Player, I see some jerk, and choppiness in video, while playing ...
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0answers
23 views

how to take screenshot of movie you are watching at some intervals?

I know that within VLC it is possible to have screenshots of a movie but what if you used mpv or some other tool via which you are watching the movie. I do remember there is a command-line tool ...
3
votes
1answer
98 views

Why is Nouveau working so badly for me? System keeps freezing

As an intermediate Linux user, I decided to try Arch Linux (having only experience with Ubuntu before, 3 years ago), and everything was going well until the part where I tried to get a graphical ...
1
vote
1answer
118 views

Split a video to multiple chunks according to multiple starting and ending frame indices

Are there any tools (like FFmpeg or OpenCV) can split a video into multiple chunks according to some specific starting and ending frame indices? For example, given (0,20),(21,33),(40,60)..., each ...
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0answers
23 views

How to prevent PulseAudio maxxing out my volume when I jump to a point in a video in Iceweasel?

I've just updated both, and this behaviour is starting to annoy me. Basically, if I'm watching a video in Iceweasel (on some video site), and I try to skip to a specific point in that video, ...
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2answers
495 views

Merge two video clips into one, placing them next to each other

I have two video clips. Both are 640x480 and last 10 minutes. One contains background audio, the other one a singing actor. I would like to create a single 10 minute video clip measuring 1280x480 (in ...
2
votes
1answer
2k views

Re-encoding video library in x265 (HEVC) with no quality loss

I am trying to convert my video library to HEVC format to gain space. I ran the following command on all of the video files in my library: #!/bin/bash for i in *.mp4; do #Output new files by ...
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0answers
83 views

How to download a video from rtmp protocol from behind proxy using rtmpdump

I am trying to download video from rtmp://flash.dce.harvard.edu/bounce/mp4:2015/01/14328/L01/14328-20140902-L01-4-h264-av1248-16x9-852x480.mp4. My college internet runs behing proxy, Is there a way I ...
0
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1answer
33 views

Queue up multiple videos from Bash Script

-Skip to bold to skip the fluff - I'm new to ubuntu, so still learning the ropes of how bash scripting goes. I've got this code I've been working on, which works great. (side question - can I ...
0
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1answer
84 views

How to limit fps output in MPlayer?

Is there any way to limit fps of the video played by mplayer? Let's say, I want to play a video at 1 fps because I need it for experimental tests. What option do I need to put ? And, if this is ...
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0answers
14 views

How to semi-automate authoring dvds?

I have a few hundred video files I want to make video dvds out of. I want a dvd menu with selection for each file. They are in a few different formats and will need to be transcoded. What I tried ...
0
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1answer
41 views

Green pixels on local video playback

I have installed VLC for linux without any errors all libraries are updated but the player (along with few others I tested like SMPlayer) shows green pixels moving at random across the screen. This ...
0
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1answer
108 views

How can I list the available video modes for my screen?

On Windows computers, there is a simple "hide the modes this screen does not support" button. How can I get the available video modes supported (accepted) by my actually connected screen via Linux ...
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0answers
54 views

U-Boot: Changing TTY columns and rows for virtual consoles

Having installed GRUB as boot manager allows the operating system (Linux) to boot on specific video mode so the TTY virtual consoles change its columns and rows (width and height). For example, ...
0
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1answer
132 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 ...
3
votes
4answers
1k 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 ...
1
vote
1answer
126 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
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0answers
71 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 ...
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0answers
18 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..
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0answers
666 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 ...
1
vote
1answer
56 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 ...
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0answers
69 views

Which application to install on Ubuntu 14.04 LTS for audio/video cutting?

I want an application (like ffmpeg) for cutting my audio / video files. I'm unable to install ffmpeg or avconv on my current system Ubuntu 14.04 although it was there in my previous versions. What ...
0
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0answers
119 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 ...
2
votes
1answer
249 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", ...
0
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0answers
23 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
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0answers
118 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. ...
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0answers
74 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
563 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
0answers
201 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
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0answers
17 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
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1answer
77 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?