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

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1answer
22 views

How do I remux selected audio tracks and subtitles using ffmpeg?

so I have a video (could be MKV or MP4) with multiple audio tracks and multiple subtitles (different languages). What I want is to remux into a new video and: selecting just 1 or 2 audio tracks ...
0
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0answers
16 views

Linux USB device customized numbering

Under Linux/Yocto, I'd like to have my USB cams to be mapped device numbered from /dev/video5 and on and not to start at /dev/video0-4. I'll have those (video0-4) for other video driver use. Now I'...
0
votes
1answer
53 views

Replace parts of video with another video with ffmpeg

I have a few hours long MP4 video (h264+AAC) and I need to replace small parts of it with another video (or audio only). The reason is that the file is a recording of a live session and I need to ...
0
votes
1answer
30 views

What video resolution is best? [closed]

I shot video's on my Samsung Galaxy S7 Edge (in vertical mode, not landscape) and paid no mind to what the video resolution was. I then converted the mp4 videos to avi and burnt them to dvd disc but ...
0
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0answers
14 views

Unable to get video for multicast to Windows XP

Please help me with the problem of getting video on a multicast network camera. There are 2 computers with Windows XP: one works, the other does not. The network architecture is simple: a hub to which ...
3
votes
1answer
34 views

How can I compress video by taking advantage of its static content?

I have an HD video that is a presentation, so it consists mostly of still images. It's a 50 minute, 200MB MP4 file, downloaded from YouTube. Is there a way to take advantage of the static nature of ...
1
vote
1answer
60 views

Loop a video overlay with ffmpeg

I have two videos, one of which is overlaid onto the other. The one that is overlaid is only a few seconds long, and I want it to keep looping whilst the main video plays. I have tried everything I ...
0
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0answers
36 views

Web player fullscreen displays only a blackscreen

I have searched all around, but haven't find any solution for this. I have a new laptop and when I try to go full screen while watching any online video, I can see only a black screen. It is the same ...
1
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1answer
55 views

How to delete a single metadata item from an MP4 file

Context and question I recorded a video with my MotoG3 phone Android phone and the resulting video (perhaps due to shaking the phone) plays rotated, that is, vertically, which is not something that I ...
0
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0answers
24 views

All video capture of desktop is rotated 45 degrees clockwise

When I try to capture video footage of my desktop, with every piece of software I have tried, it captures with the screen rotated 45 degrees. I have now tried: Shadowplay OBS, LoiLo Game recorder. ...
0
votes
1answer
89 views

Use FFMPEG To Convert .MKV to .MP4 With Conversion Settings

I am using a powershell script and ffmpeg to convert mkv files to mp4 files so that I can stream them using serviio The script executes as it should, however when serviio tries to add the converted ...
-2
votes
0answers
54 views

Can 99.3% video play without any stucks? [duplicate]

My Friend gave 99.3% video downloaded from torrents, because he is going out of city that is why He didn't time to complete remaining 0.7% & also download speed is very low. Right now I copied to ...
0
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1answer
50 views

ask ffmpeg subtitle and watermark on debian8 with no loss quality

please help for my case i have trouble on here for ffmpeg i use the command : ffmpeg -i whiskey.mkv -threads 0 -c:v libx264 -crf 28 -preset veryslow -vf "movie=logo.png[wm];[in][wm]overlay=0:0,...
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0answers
25 views

manifest file used by Youtube for DASH

Streaming media files over Youtube uses Dynamic Adaptive Streaming over HTTP (DASH). Client side receives a manifest file, from which it chooses what type of video quality will it receive, depending ...
1
vote
1answer
58 views

How 85% video is still playable?

I am downloading video in torrents, now it is 85% downloaded, I accidentally clicked video, it played very well, but stucks after playing few mins. Why video played well even it is 85%?
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0answers
19 views

chrome, option to uprooting video playing capability

This need is odd, but I was asked to cancel the video viewing capability in some computers (for utilization of time ...) its easy to remove all video playback software, but there is a requirement to ...
0
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0answers
18 views

How to find a video page in vimeo

I've found a video embedded in a 3rd party site. https://player.vimeo.com/video/168203444 I want to open this video in vimeo site to be able to add it to my personal "watch it later" list. How can ...
0
votes
1answer
103 views

Overlay an image with an opacity setting in Ffmpeg

I want to overlay an image with an opacity setting I know how to overlay an image on a video, but I don’t understand how to set its opacity level too. I can easily add a watermark on my video, but ...
0
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1answer
34 views

Want to extract out only alpha using ffmpeg

Want to extract alpha channel from the video using ffmpeg in which black will mean transparent and white will mean opaque Used this http://ffmpeg-users.933282.n4.nabble.com/quot-Extracting-quot-Alpha-...
0
votes
1answer
22 views

Transcode Multiple Video Files at a Time in VLC

I am using VLC to transcode video files, in the convert/save menu it lets you select multiple files, but when you click Convert, it just converts the first file in the list. Ideally I would be able to ...
0
votes
1answer
41 views

Copy video quality on ffmpeg

I want to use ffmpeg to add a watermark but I want the video will have the same quality. How do I do that ? I tried to use -vcodec copy -acodec copy but was without watermark <?php echo "Starting ...
-1
votes
1answer
23 views

provide mp4 file as camera input

Is it possible to have a pre-recorded video on a external storage unit and connect the storage unit as a camera and stream the pre-recorded video as output from the storage unit?
0
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0answers
18 views

Can't play Facebook videos with Opera browser on a Macbook pro with osx. I know this has been asked before but need more assistance

Cannot play on FB and some other sites. Have found and followed various fix suggestions, like new install of Flash and Shockwave. It just will not play. Message is always "Video unavailable" etc.... ...
0
votes
1answer
62 views

How can I make the Video Settings on Windows Media Player take effect?

I have Windows 7 WMP 12 the latest version of K-Lite Mega newly upgraded video card When I slide the pointer in Hue, Saturation, Brightness, and/or Contrast, the pointer stays where it is, but no ...
0
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0answers
50 views

Vivaldi cannot play Facebook videos and SoundCloud Music

It started about 2 weeks ago, before that all was working correctly. On one of my computers, I run Vivaldi for all users (3). On this computer, for any user, if I go to facebook and press play on a ...
1
vote
0answers
19 views

Gopro HDMI > Google Cardboard (DIY Video goggles)

I want to pipe the HDMI output from a GoPro into a split screen view that can be viewed from a phone to be put inside a google cardboard. For reference, I'm trying to recreate top down soccer as seen ...
0
votes
1answer
26 views

Camtasia recording of recording fails to capture switch from PPT to Word

I'm using Camtasia to record a recording. The original recording is an Adobe Connect file that consists of interleaved PPT slides and Word files. So the narrator shows a PPT slide, then switches to ...
-1
votes
1answer
46 views

how to stream HDMI video over IP and receive it via software [closed]

need: I have a computer connected to a monitor via HDMI @ 1080p (1920x1080). I need to send the video to remote locations, without breaking the current monitor setup. Remote locations need to ...
2
votes
0answers
941 views

Black screen when playing video fullscreen in Windows 10

My Laptop has dual graphic card:Intel HD Graphics 530 and GTX 970m and I usually connect an external monitor to it, setting external monitor (noted as Monitor 1) as main monitor. Both monitors are on. ...
1
vote
1answer
77 views

Clipping a video (spatially) using FFMPEG

How can I clip a video spatially using FFMPEG, with no border added, and no quality degradation? So basically I just need to split the video into 4 parts to separate the videos, like the frame below:
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0answers
47 views

FFMPEG motion compensation and search

I'm trying to modify the motion detection part of FFMPEG. What I want to do is to extend the search space, so that whenever the macroblock hits the rightmost edge of the frame, I need it to still move ...
0
votes
1answer
27 views

ffmpeg - Is it possibe to retain real timecodes using -copyts?

It's is a simple task. I want to make a converted clip of a video using -copyts to have it's real timecodes. For example, the converted clip of this command: ffmpeg -hide_banner -ss 57:41.76 -i input....
0
votes
1answer
53 views

How to loop a video back and forth with ffmpeg

I have a video of 5s length. The final video should be 60s long. The resulting video should be a "ping pong" loop, meaning my 5s should be played back and forth until the 60s are reached. Does ...
0
votes
1answer
34 views

Blocking Flash Player from router to prevent user from wasting bandwith

There is one user on the network which is always watching videos with Flash Player and eating bandwith and I cannot get the user to disable Flash Player but instead can I block it using my router? I ...
0
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0answers
31 views

FFMPEG:merging Image and Audio duration getting increased

I am trying to create a video using a still image(.png) with audio(.wav) file using FFMPEG with video duration equal to audio duration but even keeping '-shortest' & '-loop 1' as flag, pegstill ...
0
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0answers
47 views

Radeon initialisation problems (VCE init -110); notebook won't boot

I have a Dell Latitude E6540 with hybrid graphics (Intel 9540 and AMD Radeon HD 8790M), but after fiddling with drivers and running the HTC Vive setup, my computer won't boot anymore. On Linux (...
1
vote
0answers
45 views

TV showing 1080P When my computer says it streams 4k (UHD)

So i've bought an LG 43UF680V And it's amazing, but here comes my problem: I have an ASUS X555UJ and in specs it can stream 4k throught HDMI. My screen size says it is 4k, but the tv info panel says ...
0
votes
0answers
35 views

Video driver + resolution fix on Windows 8.1

I have an engineering laptop (quad core IB, intel HD4000 graphics, VGA output). Intel don't do a specific "Intel HD 4000" driver for Windows 8.1 x64, they let Microsoft produce a driver instead. I ...
0
votes
1answer
54 views

Filter Boxblur has unconnected output

I am trying to blur specific part of video depending on specific interval,like in 2-10 second blur this part and in 12-20 blur another but I am not able to get this working. Here is the command I can ...
0
votes
1answer
41 views

FFMPEG Crop video and insert gif same time

$command = 'ffmpeg -ss 6 -i input.mp4 -ignore_loop 0 -i logo.gif -filter_complex \ "crop=in_w-2*28:in_h-2*25;[0:v][1:v]overlay=15:H-h-25:shortest=1" -codec:v libx264 out.mp4'; i can't manage both ...
0
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0answers
9 views

Cross fading and concating videos in FFmpeg

newbie in FFmpeg Library . I added cross fade effect between 2 videos using command of FFmpeg : input 1 : big_buck.mp4 input 2 : big_buck.mp4 generated Output with cross fading : result.mp4 ...
0
votes
1answer
54 views

Choppy Firefox Video Playback on OpenBSD

I am having a problem playing audio/video through Firefox, using OpenBSD (tested using YouTube). The playback is choppy, as if the connection was not good enough. On a media player the audio is fine, ...
0
votes
1answer
137 views

Change framerate in ffmpeg without reencoding

I have a mkv (h264) video that is 23.976 fps (24000/1001) but I want to convert it to 25fps without reencoding and loosing quality. I know mkvmerge can do it ( with option --default-duration '0:25fps')...
0
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0answers
23 views

Is there any quality in loss in FFMPEG when converting to .PNGs?

I need to dump video files to their individual frames as .png files, and I'm using FFMPEG to do so like this: ffmpeg -i video.ts -r 59.94 dump/%d.png Now, I get all of the frames I need, and they ...
0
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0answers
7 views

Debian stable: xrandr default rendering device

I tried to setup my dual monitor setup on debian stable, this works but most steam games get sent to my secondary screen instead of the primary. I did try to fix this, through the nvidia-settings ...
0
votes
1answer
42 views

How to conditionally blur video using FFMPG

I want to conditionally blur video Like for a 30 second video form 2-10 second blur different area than 12-20 second. But I am only able to blur it 1 time only so far,Following is the command I tried ...
1
vote
0answers
67 views

how to remove “Writing library” & “Encoding settings” from the video when used ffmpeg convert?

when I used this commond: C:\Windows\bin\ffmpeg.exe -y -i f:\1.flv -vcodec h264 -s 1280x720 -acodec copy f:\output.mp4 The video output.mp4 information: General Complete name : ...
0
votes
1answer
27 views

Frame rate during screen-casting

I am trying to record screen using ffmpeg with the following command: ffmpeg -f x11grab -s 1366x768 -framerate 30 -i :0.0 -c:v libx264 -b:v 1000k out.mp4 which I learned from here. But I am ...
0
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0answers
21 views

Can I use an external HD Camera to stream video?

I have 3 cameras to choose form: a sony DSLR, a Canon HR R500 HD Camera, and Canon XH A1 I need to stream an event and a standard webcam won't do. I'd like to use one of my cameras to do this. I ...
1
vote
3answers
47 views

How do I find the total running time of videos in a directory?

I can see the time length in Windows explorer, but there are 124 files. I'd rather not have to add them up manually. I have ffmpeg and VLC also if that would help.