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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3
votes
1answer
22 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 ...
1
vote
1answer
809 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 https://www.discovery.com/tv-shows/mythbusters/videos/final-season-...
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 ...
0
votes
0answers
26 views

How to play HEVC (H.265) using Totem (Videos) on Debian 8

I can't play any HEVC videos using the default video player app on Debian. How do I get the necessary codec to be able to play them? I installed libde265-0 via apt-get. Now, the player always ...
0
votes
0answers
14 views

Multimonitor (3) Graficcard support

OS: Antergos - latest graphics adapter: NVIDIA Corporation GM206 [GeForce GTX 750 v2] (rev a1) driver: nouveau desktopmanager: Gnome3 with Wayland We have 2 Systems applied with the data above. We ...
1
vote
2answers
2k views

Video freezes with Debian Jessie

On a fresh Debian testing installation I am not able to watch a video using standard video player such as: parole, VLC or banshee. Here are the symptoms: The sound is OK, but the image is always ...
0
votes
0answers
32 views

How to broadcast voice from USB microphone to apache?

I have a webcam and a microphone. I want 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 ...
12
votes
4answers
23k views

How to do I convert an animated gif to an mp4 or mv4 on the command line?

What command would I use to convert an mp4 or mv4 video file to an animated gif, and vice versa. That is, convert a animated gif to a mp4 or mv4.
0
votes
0answers
35 views

Nvidia Geforce 210 Chrome and Firefox hardware acceleration in Ubuntu 14.04

I have Xubuntu 14.04 LTS running on my PC which has a Nvidia Geforce 210 GPU.I'm using the recommended proprietary Nvidia 340.96 driver from nvidia-340.I have checked that H.264 hardware acceleration ...
3
votes
2answers
237 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 ...
0
votes
2answers
382 views

Occasional screen blackouts on Debian 7

I installed Debian 7 on an Asus Eee PC 2101HA. Sometimes the screen goes black for 1 second. My VGA card is VGA compatible controller: Intel Corporation System Controller Hub (SCH Poulsbo) Graphics ...
0
votes
1answer
17 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
1k 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 ...
2
votes
1answer
844 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 ...
3
votes
2answers
3k views

How to extract images from video file?

I mean, how to generate images files from a video like screenshots.
0
votes
0answers
23 views

Dealing with errors after a grub crash

So, My computer (solydk distro, AMD chipset, stock innards) was computing when we had an unexpected, cat related, power-outage. When I tried to boot after the cat-astrophy I was given the grub rescue ...
0
votes
1answer
40 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 ...
1
vote
3answers
157 views

Nvidia video card drivers for Linux compatibility

I'm looking to purchase a new graphics card but all vendors only provide drivers for Windows while Nvidia provides drivers for Linux, my question is whether I can use the drivers from nvidia or if ...
0
votes
0answers
32 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 ...
48
votes
2answers
82k views

How can I reduce a video's size with ffmpeg?

How can I use ffmpeg to reduce the size of a video by lowering the quality (as minimally as possible, naturally, but I need it to run on a mobile device that doesn't have much available space)? I ...
4
votes
0answers
68 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 ...
5
votes
1answer
100 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 ...
0
votes
1answer
43 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 ...
6
votes
2answers
6k views

Command to extract audio from video without conversion

I know that flv and mp4 files contain aac audio, while avivideo usually mp3 audio streams. What command (avconv, ffmpeg) would extract the audio without transcoding it?
1
vote
1answer
47 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, ...
0
votes
0answers
248 views

Installing mesa with GLX TLS enabled not working

I'm trying to install Mesa3D for xorg in order to get video drivers working properly. I get errors such as .libs/es1api_libGLESv1_CM_la-entry.o: In function `x86_64_entry_start':entry.c:(.text+0x3): ...
8
votes
1answer
9k 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 ...
1
vote
1answer
93 views

Why does querying xrandr briefly freeze the screen?

Every time I run xrandr --query my screen freezes very briefly. It's enough to be jarring if I'm watching an animation or a video -- which sucks, because I have a script querying xrandr every 3 ...
1
vote
1answer
96 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 ...
2
votes
3answers
4k 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 ...
4
votes
7answers
12k 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, ...
1
vote
0answers
58 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 ...
1
vote
2answers
99 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 "$i" -loop 0 "0output$...
1
vote
0answers
123 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 ...
1
vote
0answers
30 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 ! ...
3
votes
2answers
298 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
vote
2answers
51 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 ...
0
votes
1answer
184 views

Live Streaming and Broadcast Video Server

I need some help as I am trying to setup a live stream broadcasting server something like Youtube Live Stream or Twich.tv that users can stream their webcam their desktop and so on. I have searched ...
1
vote
0answers
60 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 ...
3
votes
2answers
4k views

Playing a remote movie on the remote computer

I have two computers (a desktop and a laptop) running linux connected to my local area network. I like to ssh from my laptop over to my desktop and run programs there, and sometimes listen to music on ...
0
votes
1answer
38 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 ...
2
votes
1answer
111 views

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

I don't even know what kind of information I should post here to help identify the problem, so I am just going to go for it and hope for a productive outcome…I am not sure if this is a systemd issue (...
1
vote
1answer
30 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 ...
1
vote
0answers
18 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 ...
4
votes
1answer
84 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 ...
7
votes
5answers
4k 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
90 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 ...
0
votes
0answers
26 views

Is there a way to edit video buffer size in google chrome in linux?

Its easy to do in windows but how to do it in google-chrome in cent OS 7. NOTE :I think google-chrome here is not using adobe flash perhaps it does not even need it but still i can play videos.
0
votes
1answer
253 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
1answer
74 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 ...