Questions tagged [video]

Questions about video editing, streaming, conversion, capturing or video output. Use a more specific tag if possible.

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1 vote
3 answers
663 views

Visualizing Parallel Branch and Bound Tree Exploration

I have written a parallel program that does a depth first branch and bound exploration of a tree. I can dump the id's (id's are like this 0, 00, 01, 0000, 0001, etc.) of the nodes at frequent ...
0 votes
1 answer
338 views

How to play video discs on PC

I recently bought some movie VCDs. My DVD player is damaged, so I thought I would play them on my laptop. The problem is that the quality is very low and the original movie prints look like 3gp ...
0 votes
1 answer
740 views

Are there really audio-video sync issues when playing Blu-ray movies on a pc?

I would like to buy a Blu-ray player for my next PC; it would be an internal one that I would then use with a software like PowerDVD. My monitor will be a Dell U2415, with a 16:10 aspect ratio and ...
-4 votes
3 answers
311 views

how can I see the movies via my old laptop, please ?

I have an old laptop, and I want to see movies with that, but the problem is, always in the middle of movies it's stuck and play,like the youtube movies, when your connection speed is low, maybe it's ...
1 vote
2 answers
1k views

Is it possible to view a movie in 2 locations at once?

Is it possible to view a movie at the same time using my phone, while it's playing on my laptop? If possible, vlc would be my first choice, but I could use other players as well. EDIT: to make it a ...
0 votes
1 answer
335 views

Full-SBS 3D movie bitrate when ripping

When ripping movies from iso to full side by side format, 3840x1080 usually (1920x1080 each eye). Shouldn't the bitrate double? I've always wondered that, what do you think?
1 vote
1 answer
587 views

(ffmpeg/menc) how to split movie by given filesize?

I am looking for a way to split a larger file into smaller parts - for example a 4GB movie file into 1024MB parts. Does ffmpeg or mencoder this do this job? I need a filesize specific solution to ...
0 votes
1 answer
163 views

I can't play movies on windows 10 after an upgrade from win7

Youtube is working and Streaming software like stremio or PopcornTime also works. But when I try to play video files it doesn't work. The computer freezes I get strange colorful squares on the screen. ...
2 votes
2 answers
2k views

A .m4v file playing in VLC comes out completely grey with only a few moving parts

I am trying to play a .m4v video file in VLC media player and it comes out grey, with only a few moving parts (only way I can explain it). Admittedly I am using an oldish version of VLC, since it's ...
0 votes
1 answer
122 views

FFmpeg Creating Visulization from mp3 ubunutu + PHP

I am creating a script that will create a video avectorscope video with ffmpeg from an mp3. I keep getting the following error in my log files while running the following code: PHP shell_exec('...
0 votes
0 answers
297 views

How to time accuratelly overlay several video streams simultaneously using FFMPEG

I use 9 cameras to record a music performance and frame accurately cut out the section of music from each camera. When I try to lay them out in a 3x3 format with ffmpeg, the timing for the videos can ...
1 vote
1 answer
3k views

FFmpeg constant framerate to variable

When recording gameplay with constant 60fps, it records at 60 fps even if the gameplay is ~30 fps or lower. Is there any way to transcode the 60fps video from constant to variable FPS, so it uses ...
4 votes
2 answers
3k views

Converting a GIF to video changes its duration

I want to convert a gif file to a video with ffmpeg. I'm using: ffmpeg -y -i /gif/583fd7661b46d.gif -strict -2 -an -b:v 32M /gif/mp4/583fd7661b46d.avi The duration of my gif in photoshop is 27 ...
8 votes
1 answer
25k views

How can I count the duration of my Skype video calls?

So I'm curious how much time I spent on Skype video chatting so far. I can't go through my history and check that because I unfortunately need to delete history since some people are too nosy. So ...
1 vote
1 answer
3k views

iTunes keeps pausing during video playback

I like to work and watch movies in iTunes at the same time. Recently, however, iTunes has just started to pause randomly during playback. It is not a freezing issue - it is like somebody hit the pause ...
0 votes
1 answer
1k views

GPU Issue after updating drivers

Usually games on my PC work perfectly. However after updating all the PC drivers (including Intel(R) HD graphics), games won't work properly, they are slow and graphics are low, I have an example. ...
3 votes
2 answers
4k views

How can I combine multiple videos into a single composite side-by-side?

I would like to combine three (possibly more) video sequences into a composite video, where the sequences are running side-by-side as show below. I do not need to have overlapping pictures although ...
0 votes
0 answers
2k views

FFmpeg merge videos - High memory usage

I use FFmpeg in my Android app to merge videos together. I have compiled an executable file that is run using ProcessBuilder. I am finding that with my recent FFmpeg build (updated FFmpeg and ...
0 votes
1 answer
293 views

Smooth movements are jerky on my laptop's integrated screen. Any software to test it out?

I tested my new computer with multimedia and unfortunately smooth movement looks jumpy and jerky as in this video when being played in the internal monitor. This problem doesn't only affect local ...
1 vote
0 answers
730 views

untrunc error while repairing mp4 file

I've tried to recover a corrupt .mp4 file using ffmpeg and untrunc on Ubuntu 14.04. The first simply doesn't work, I get: "Invalid data found when processing input." On the other hand, untrunc ...
-1 votes
1 answer
64 views

Identify video port on a Compaq mini

Compaq Mini 730 In the photo you can see the video port, what is that port? Is there a converter for that to HDMI? (Or a USB HDMI adapter or USB Video Card "cheap solution of course")?
0 votes
0 answers
779 views

upscaling a video to 8k webm/mov without taking 20 hours or 10-100GB disk space

In other video formats, you could convert a video, changing it's resolution, making it have a higher frame size, without increasing file size. For example you could have a mp4 h264 video, one in 4k ...
0 votes
1 answer
522 views

Can I convert a home VHS tape to digital through a receiver (DVB-T) and then record it using the USB port?

I don't know if it is possible because VCR is analog and TDT/DVB-T is digital TV. I have these devices: VCR (Panasonic NV-FJ630): RF IN (Antenna) + RF OUT (Antenna) + Composite Audio only (red, ...
1 vote
0 answers
2k views

Rotating display from the Linux kernel

I have a Freescale i.MX6 ARM development computer with a display I would like to mount in portrait mode. The display accepts a DVI input, which I'm driving with an HDMI output from the computer. I ...
2 votes
1 answer
3k views

concat mp4 with blank video

I want to concatenate 5 seconds of blank/black video to the end of different videos I download from net. The process I have for doing this is not working. First I use ffprobe to the dimensions of ...
1 vote
2 answers
333 views

Manipulating audio in AVI files

I'm looking to perform basic sound editing operations (applying low/high pass filters, eq, etc - to get rid of some annoying background buzz) to the audio in an AVI. Anyone familiar with any free or ...
0 votes
1 answer
265 views

Cannot get signal out of GeForce 9800 GTX while installed

I am installing an EVGA GeForce 9800 GTX into one of my PCs but I cannot get a video signal out of it while it is installed. The computer works fine while the graphics card is not in it's PCIe slot, ...
1 vote
2 answers
3k views

Intel(R) 82865G limited to MAX 96 MB Mem - Any way to override and increase?

I have an old HP desktop with an onboard Intel 82865G running Windows XP (SP3), and while it does 1920x1080, if something requires more than 96 MB of video memory, it crashes, or fails, or generates ...
0 votes
1 answer
205 views

concatenate mp4 videos starting at fixed times

I have a few videos I want to concatenate into one file. I can do that following the instructions here: https://superuser.com/a/1059261/3189 However, this puts the videos 'back to back'. I want to ...
3 votes
1 answer
4k views

FFMPEG “buffer queue overflow, dropping” with trim and atrim filters

In FFMPEG I am actually trimming and concating a 24 FPS video. When I apply a complex filter ffmpeg -i sample.mp4 -filter_complex \ "[0:v]setpts = PTS-STARTPTS[bv]; [bv]split=6[v0][v1][v2][v3][v4]...
14 votes
5 answers
145k views

How to download video from a recorded webex session?

I have a link to recorded webex webinar, I wish to download the video and convert into different format. How should I go about the downloading the recorded webex video ? Appreciate your inputs.
1 vote
0 answers
441 views

FFmpeg CRF compression slower on master than old version

I use FFmpeg to compress videos (amongst other things) on Android. I have been using an FFmpeg build from 2015 for some time now and wanted to upgrade, preferably to the git master. I built FFmpeg ...
0 votes
1 answer
581 views

fedora 15 intel legacy driver

So I installed fedora 15 and intel video card driver seemed to work properly until I installed few windows programs through wine and saw video card issues in ms office. some black lines that broke the ...
13 votes
4 answers
36k views

Synchronized video playback over the network

I would like to play the same video on two different computers, and synchronize them approximately over the internet. I'd like to watch videos together with my friend while talking on Skype. It'd be ...
5 votes
1 answer
16k views

120fps video playback issues

Unable to playback the 120FPS video downloaded from http://www.blurbusters.com/hfr-120fps-video-game-recording/ For VLC it moves at 20fps and is all pixelated (with lots of artefacts) and broken In ...
2 votes
1 answer
8k views

How to combine MKV video and separate audio?

I have MKV video and separate audio in .ac3 format. MKV file has its own embedded audio records, but I don’t need them. I need to unify video from MKV file and my separate audio of .ac3 format. How ...
0 votes
1 answer
3k views

VirtualDub & FFDShow - couldn't load up XviD AVI

I installed VirtualDub recently (32bit) on 64bit Windows 10 machine. I decided to use 32bit version in term of using DeLogo filter, which is 32bit. I have already installed VLC Media Player in order ...
2 votes
1 answer
473 views

Is monitor suspending supported via a HDMI to DVI cable?

My computer has DVI and HDMI video outputs while I have two DVI monitors and a cheap HDMI to DVI cable. Both monitors go fine into and out of standby using DVI-to-DVI connection. Both also display ...
0 votes
1 answer
2k views

How can I play video, fullscreen, without keyboard and mouse interfering, on Linux

I would like to pull a prank, which basically plays a pre-made video full-screen, so it looks like my actual computer I would like to fake moving the mouse and typing stuff, but when I use something ...
0 votes
0 answers
421 views

Computer freezes for 1 second then goes back

The problem: image freezes for circa one second, nothing in video works during this time, but sound works. If I'm watching a video (in google chrome), the video will keep going after the freeze, if ...
0 votes
1 answer
139 views

When USB keyboard is connected all media stops playing randomly?

This seems a weird issue to me. After long time I could find a reason why all media stops playing randomly in ubuntu and windows. When I disconnect keyboard everything is fine. But when it is ...
0 votes
1 answer
378 views

Streamed videos cache location?

When i stream games to Youtube via Nvidia Shadowplay - These data are sent directly to server via internet without cahce/temp on my computer? or is there some place where I can find this data on HDD? ...
3 votes
1 answer
3k views

Video converter to convert any format to light-weight avi format(for mobile and portable multimedia devices)

These answers don't satisfy MY needs. My mobile supports .3gp and .avi formats 3gp files are always smaller in size but with least quality (especially audio part) Avi (certainly) exhibits better ...
0 votes
1 answer
403 views

Unable to play videos on some particular websites

I am using the Chrome browser on Windows, and I am able to play videos on youtube. But I am unable to play videos on some websites like hotstar.com, because the browser shows only a blank black screen....
0 votes
0 answers
585 views

FFMPEG mosaicing stutters

EDIT: Suddenly, with the same scripts on the same hardware, the problem is gone. I'm still curious about the cause, but until I can reproduce it again there are few options for diagnostics. My ...
1 vote
1 answer
5k views

ffmpeg draw a line from point to point

I'm needing to draw a line from point to point in ffmpeg. I don't see a drawline filter in ffmpeg, so I'd assume drawbox would need to be used (see command below). How could I adapt this to draw a ...
0 votes
0 answers
39 views

SD Card showing weird file names and files are lost [duplicate]

I just plugged my SD Card to my PC after a long videography day, and I suddenly got this problem: It is also not showing all the videos I took on my camera so what is the solution?
0 votes
0 answers
562 views

Offline video freezes every few minutes

I have a custom computer running (legal, updated) Windows 7, 8GB Ram, 1-yo Graphics Card. My system runs on a new SSD and my media is stored on a <1-yo HDD. Recently when I am watching (non-HD, ...
0 votes
1 answer
3k views

Youtube/facebook videos randomly get glitchy and pixelated in the start or in the middle of a video

It either happens in the middle of a video, like you seen in the picture here: or in the few first seconds of a video. As you can see from the picture (and you can try to open my example yourself), ...
0 votes
0 answers
313 views

Best / Minimal settings for ffmpeg?

I'm trying to get the best and most basic options to convert my avi video to webm. The audio is not a issue. It's the video. Currently, I've tried ffmpeg -i input.avi output.webm. This seems to only ...

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