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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12 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 ...
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1answer
51 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 ...
1
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0answers
24 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
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2answers
45 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 ...
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0answers
57 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 ...
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0answers
18 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 ! ...
1
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2answers
31 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 ...
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1answer
46 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 ...
0
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0answers
19 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
29 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
62 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 ...
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0answers
12 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 ...
1
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0answers
22 views

Splitting correctly 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 ...
1
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1answer
23 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 ...
0
votes
1answer
50 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
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0answers
16 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
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1answer
129 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 ...
2
votes
1answer
119 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 ...
0
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1answer
46 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 ...
0
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0answers
22 views

GMA500 video chip uses mode that monitor can't sync to (even text mode)

I have a new CentOS7 installation which starts fine (I see the Grub2 menu). If I disable RHGB I can even watch bootup to a point - then all video disappears. The OS is booting to runlevel 1 (text ...
2
votes
2answers
61 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
30 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 ...
1
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2answers
30 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 ...
3
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2answers
175 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 ...
0
votes
1answer
111 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 ...
0
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0answers
21 views

How to solve random HDMI (external screen) / audio output issues in Linux Debian 8?

About half of the times I start up my Debian 8 machine sometimes goes wrong in the boot sequence (particularly in auto starting apps set in "autostart" I would say). I can say that because after a ...
0
votes
1answer
105 views

Can not do anything related to video in Fedora 23

I am using Fedora 23 (x86-64) Cinnamon in my Lenovo G40-80. I can open VLC but can not play any video. I can not use Skype's video caller either. If I open a video or call through Skype after showing ...
3
votes
1answer
44 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 ...
3
votes
1answer
52 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 ...
1
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2answers
50 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 ...
1
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0answers
17 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 ...
0
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0answers
54 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 ...
0
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0answers
33 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 ...
1
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0answers
45 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 ...
1
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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 ...
0
votes
0answers
120 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 ...
1
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0answers
33 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 ...
2
votes
0answers
349 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 ...
0
votes
0answers
20 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 ...
0
votes
1answer
117 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: ...
1
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1answer
515 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 ...
1
vote
1answer
52 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?
2
votes
2answers
149 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 ...
0
votes
0answers
25 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 ...
1
vote
1answer
144 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 ...
1
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0answers
27 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
75 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 ...
0
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0answers
37 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 ...
1
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0answers
26 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, ...
1
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0answers
79 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 ...