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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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1answer
960 views

desktop freezes

My System: Arch 4.8.8-2 Gnome 3.22.2 Graphics card: Radeon HD7770 Graphics driver: radeon (xf86-video-ati-1:7.5.0-1) Since I did an update, my screen freezes after some time, most ...
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1answer
384 views

Problems compiling Handbrake: syntax error near unexpected token `CSS,'

I tried to compile Handbrake 0.10.5 on Raspberry Pi, Raspbian Jessie, following this guide, and encountered several issues. The first one was ./stdio.h:477:1: error: ‘gets’ undeclared here (not in a ...
2
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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 "...
0
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1answer
24 views

Application to create videos

I'm a new user of Ubuntu gnome, and I'm looking for a specific application. In different videos from youtube.com, I would like to select samples from several videos to create one. For example, amongst ...
3
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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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1answer
2k views

mplayer -vo caca with geometry

This -geometry 256x144+1095+600 work to show video in rigth bottom: mplayer -ontop -noborder -geometry 256x144+1095+600 -loop 0 -idle -fixed-vo -msglevel all=-1 2>/dev/null video.mp4 But this one ...
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0answers
41 views

Correct aspect ratio in VLC run from a console

When I play a video with cvlc from a console (without X) the aspect ratio is wrong; the video is stretched to fill the entire screen instead of using a letterbox format (black bars). How can I keep ...
4
votes
3answers
932 views

Which Desktop environments do not require 3D acceleration?

I have two situations in which I need to run desktops without any 3D acceleration. 1) I often run Ubuntu and CentOS VMs on a machine who graphic card does not play nicely with VirtualBox's 3D ...
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1answer
398 views

Hashcat or amd drivers stops working after short while on headless Debian server

At first I want to say that I have thoroughly searched for a solution to my problems both with search engines and here on this platform but to no avail. I have a headless Debian server (Headless in ...
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vote
1answer
1k views

what is the difference between (linux) framebuffer and GPU's memory?

what is the difference between a Linux or software-controlled framebuffer and a GPU memory? Is there any good pictorial guide to explain how Linux framebuffer works? On an embedded board with GPU, do ...
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2answers
1k views

Firefox ESR update on Debian - stutter in Flash videos, laggy response of YouTube's HTML5 player

I'm using 64bit Debian Jessie. Yesterday I pulled an update of Iceweasel using apt-get update and apt-get upgrade. For my surprise now its no longer called like that and instead it has the name ...
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2answers
24 views

No video signal during release upgrade

I just wanted to upgrade my ubuntu server from 14.04 to 16.04 LTS. During the installation of the packages my screen went off, showing 'no signal'. Normally this happens in screen energy saving mode. ...
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0answers
276 views

Erroneous video output from mvp using VAAPI hardware decoding

I own a laptop with Intel HD graphics (i915 kernel driver) and I'm trying to get hardware-accelerated video playback under Debian Jessie. I have installed i965-va-driver and libva-intel-vaapi-driver ...
2
votes
1answer
763 views

Some Netflix videos are showing horizontal tearing (flickering lines)

Some videos I watch on Netflix under Linux are show horizontal flicker. How do I fix it? I have a on-board ATI Radeon graphics chip (specifically a AMD A8-7600 Radeon R7) using the open source ...
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votes
1answer
449 views

How to play videos with TrueHD audio tracks on linux?

I have an issue with watching videos nowadays which come with 'Dolby TrueHD 7.1' sound tracks. For years I always used VideoLAN's VLC for almost everything without any issues. However, recently I ...
3
votes
2answers
4k views

Why do I keep getting a “cannot connect to X server error”?

I am using the FLIR camera with my Raspberry Pi and running it on a Raspbian destro of linux. I've followed the instructions on the Github page perfectly when trying to setup the raspberrypi_video ...
0
votes
1answer
437 views

Why does smplayer always resume at the same spot for some video files?

I have smplayer setup so that it resumes videos from wherever it left off. However, I have a few files that when I play them with smplayer, they always get resumed from the same spot. Why does it do ...
1
vote
1answer
769 views

HTML5 video performance

I have performance problem with video playing: When I am playing video on youtube, high CPU percentage is used: But when I download the same video and play it in VLC player, CPU usage is reduced ...
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0answers
194 views

Mouse cursor & video display issues since upgrading to Lubuntu 16.04

A couple of months ago I dist-upgraded my Laptop (a Lenovo X201) fro Lubuntu 15.10 to Lubuntu 16.04. Since that time, I've had the following problems: On resume after suspend, typically the mouse ...
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1answer
419 views

ffmpeg bash script segment template

I was trying to control ffmpeg file segment function through a bash script to cut a large movie file into smaller pieces. I took a look at the documentation here but this doesn't really cover what I ...
2
votes
1answer
291 views

S-Video has no color output for cx231xx

I've got an Elgato Video Capture V2 capture card I'd like to use for capturing S-Video. Sadly, when I use tvime to capture, the output is shown in black and white. I tested this using cheese as well, ...
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0answers
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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1answer
4k views

Convert image based subtitle to text based subtitle inside MKV file

How do I convert a hdmv_pgs_subtitle (which is image based) to a text based subtitle in a MKV file? I have tried ffmpeg -i in.mkv -c:v copy -c:a copy -c:s mov_text out.mkv but that results with the ...
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vote
0answers
824 views

No sound in HTML5 videos (Firefox/Chromium)

I use mageia, and I'm struggling a lot when I want to watch some videos on web in html5: the video runs fine, but the sound doesn't play. I've searched in web, and in most cases, the problem seems to ...
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3answers
1k views

Loop MP4 From Converted Animated Gif

How do I convert animated gifs to mp4s that loop? This command successfully converts the gifs to mp4s, but the loop doesn't appear to work: for i in *.gif; do ffmpeg -f gif -i "$i" -loop 0 "0output$...
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0answers
2k views

Enable Xorg video output when monitor disconnected at startup

We have up-to-date Debian Jesse boxes configured with Xorg / lightdm / xfce4. They're set up to auto login and run some programs at startup. This normally works just fine. The problem is when there's ...
3
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0answers
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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vote
2answers
730 views

linux - show image on console / X11 [duplicate]

Is it possible to show an arbitrary image across the console / X11? In essence, I just want the video output to be the image. Is there a way to do that? I would want the console virtual terminals ...
1
vote
2answers
1k views

Live Streaming and Broadcast Video Server

I am trying to setup a live stream multimedia server something like Youtube live stream or https://twitch.tv that users can stream their webcam their desktop and so on. I am searching a lot in the ...
1
vote
1answer
4k views

How to display a video on my lock-screen instead of a wallpaper?

I am using Fedora 22. Is there anyway to display a video from a url or from disk storage (preferably muted) on the lock screen? I use this tool to change my desktop wallpaper every now and then. It ...
0
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1answer
208 views

How to activate the bumblebee driver?

I have Debian Jessie; I installed the bumblebee drivers for my video card nvidia geforce 720m. How do I activate the drivers and to use only his nvidia card? To install the drivers, I used the ...
3
votes
1answer
941 views

What would cause my video driver to stop working after every update?

I am not sure if this is a systemd issue (like order of loading modules) or a video driver issue. It does seem like every time I update boot-related stuff from a chrooted environment using my Arch ...
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0answers
261 views

Display driver ghosting pixels on linux but not on Windows

I recently bought an lcd panel for a raspberry pi display device I'm making. The pi outputs hdmi video to the display driver for the panel. The pi is outputting 1366x768 @ 60hz. The problem is about ...
6
votes
1answer
546 views

correctly splitting an avi file

I'm trying to split an avi file as follows. avconv -i file.avi -vcodec copy -acodec copy -ss 0 -t 10 out.avi and this works (It creates a chunk with first 10 seconds of the video). The problem is ...
2
votes
1answer
479 views

How can I run a script on resolution change?

I want to run a script when my current resolution changes, right now I have a sleep loop polling xrandr, but I would like to have my script run on some kind of resolution-change event instead. Is it ...
2
votes
2answers
3k views

use ffplay to play a list of audio files

There are many audio and video players but I would like to use one tool for many propose. So I would like to use ffplay as audio and video player. To play a one file the command is like this. ffplay ...
1
vote
1answer
2k views

FFMpeg : GIF to MP4 conversion throws code error.

I am trying to convert a GIF to a MP4. I am getting an error while doing that with specific parameters. What am I doing wrong? Any help would be nice. I would like a mp4 video with high quality, size ...
3
votes
2answers
2k views

Linux/Ubuntu unable to resize film in vlc and mplayer

Tested with Ubuntu 15.10 and BackBox 4.5. Graphics card i530 cpu i7 6700k motherboard used in shuttle xpc sh170r6 I have an issue to scale films to any size with programs like vlc and mplayer. I can ...
2
votes
2answers
4k views

How to download rtmp video stream on linux?

I want to download a video recorded today at 5-6 pm from the following earthcam: http://www.abbeyroad.com/crossing How can i download it in debian or ubuntu? Inspecting the source code i got the ...
2
votes
2answers
653 views

Extract the thumbnail which is shown in Caja from a video

When I go to a folder with a video file in (flv, mp4, for example) in Caja, which is my File Explorer program in my version of Linux (Mint MATE), it has a little thumbnail graphic. Where does this ...
0
votes
1answer
134 views

Linux console with multiple video cards

I have an older desktop box with two independent video cards. When booting, the BIOS chooses one card and produces normal output there. The system runs a arch linux system. As soon as the kernel ...
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vote
2answers
472 views

How best to reencode video for lower-performance playback?

I have various video files as MKV, including some high-def (1080p) with FLAC audio. These can be played fine on a several-years-old PC with a mid-range graphics card (using mpv/ffmpeg), but when I ...
6
votes
3answers
8k views

How to check if a video is completely downloaded?

I have a bunch of videos which I want to check if they are complete or not. Some of them may be downloaded partially, but they are not faulty. How can I efficiently check if these video are completely ...
1
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0answers
121 views

Adding a second GPU greatly reduces my graphics performance

I'm currently running Ubuntu 15 desktop with an ATI R9 390 and a 4k monitor via display port. Everything runs smoothly. I have a second monitor which is VGA-only, and since the R9 has no VGA ports, ...
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1answer
641 views

no video using webex with fedora 22 and firefox

I can connect into a webex presentation on my Fedora 22 x64 workstation with Firefox x64 but I can't see any video. I am using Firefox version 43.0.3 with the icedtea-web plugin version 4.6.2. I have ...
3
votes
1answer
2k views

How to effectively draw on frames of a video

I used to use Camtasia on Windows for editing videos, specifically recorded screencasts. One thing this did well was give me the ability to draw simple annotations on top of the video, including ...
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votes
2answers
1k views

accelerated HTML5 video: what hardware is supported well by Linux?

After many, many, many failed attempts to get accelerated HTML5 video working on any hardware (tested about 5 machines) I came to the conclusion that accelerated HTML5 is something difficult under ...
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2answers
1k views

Is it possible to play the VIDEO_TS DVD folder with a generic command (mpv)?

I want to use a command for mpv video player that would play the VIDEO_TS folder (which in the case of MPV means starting directly the main video of the DVD. The main advantage of this is that in ...
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0answers
29 views

linux - windows don't repaint unless stretched

I think a recent change to my kernel configuration is causing my video to be messed up with certain windows (chromium, firefox, libreoffice) or at least those are the ones I've used. The problem is ...
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0answers
323 views

Kabini Radeon HD 8330 on Linux mint 17.2 Rafaela jumpy video

I have a Zotec zbox with the afore mentioned graphics card and I am running Linux mint 17.2 cinnamon on this machine. I have fglrx drivers installed version 2:15.200-0ubuntu0.6 and for the most part ...