Questions tagged [linux]

Questions specific to linux environment

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0
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1answer
13 views

How do I crop multiple areas of each frame of the video using ffmpeg?

For each frame I want to crop multiple areas using ffmpeg but I am not sure how to proceed. This is what I have done to crop one part of the image, fmpeg -i video.mp4 -filter:v "fps=1,crop=759:41:...
1
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1answer
27 views

ffmpeg log missing “dup” and “drop” key-value pairs

For some reason, my ffmpeg output log does not show dup and drop key-value pairs. expect: ... frame=563 fps=138 q=23.0 size=13056kB time=00:00:09.42 bitrate=11346.8kbits/s dup=0 drop=0 speed= 2.3x .....
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0answers
21 views

Using FFMPEG to create video from images in sub folders

I know I can create a video from files in a folder like so: ffmpeg -f image2 -i %*.png out.avi But if the folder I am in have sub-folders can i use some sort of switch to read those image files in ...
0
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1answer
24 views

Encode a small proxy file with multiple audio streams for editing on Linux

After capturing 2K video in 444p with OBS, I need to transcode it to a low quality proxy version that's still easy to scrub and not a huge file. I capture 3 audio tracks in 32-bit PCM and the image ...
0
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0answers
36 views

FFMPEG Live stream loop with overlay - Errors

I'm trying to do a livestream with a video loop, sound from the desktop and an overlay image that updates when I replace the file and a text that also updates when a file is replace but I seem to be ...
0
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1answer
19 views

USB Webcam not working with USB Microphone

I have two USB devices: a webcam and a microphone. I can play the webcam's video into VLC and GUVCView. However, I want to use the microphone for another application. The issue is that launching ...
1
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2answers
43 views

How to render Adobe Premiere or After Effects projects on Linux?

I'm looking for automating video editing and rendering tasks on Linux. Is there a way I can use Nodejs to automate Adobe Premiere or After Effects on Linux?
0
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2answers
16 views

Video production at higher quality - alternatives and solutions

My question here is a redirection per suggestion of my original question over here I have an i5 4th gen CPU which can support 2k displays and output 2k signal. And I have an AMD Radeon R7 graphics ...
0
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0answers
31 views

ffmpeg fake camera and mic out of sync

This is on linux with pulseaudio. I need to record a video with a rather bare-bones recorder that runs in chrome. I decided to fake a camera and a mic so that I can edit the video then use ffmpeg to ...
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0answers
8 views

PC control of multiple DSLR for video recording

I have two Canon 60Ds and a ZOOM F8n. I capture interviews with this setup that I later edit in Resolve. I'm trying to automate the capture workflow. I'm looking for a desktop software (preferably in ...
0
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1answer
34 views

how to pipe:/// through a .sh or Python script, or use some sort of setting files with FFMPEG

First post, so be kind please :) So a quick bit of history. I am using tvheadend, and the inbuilt transcoder murders my CPU, and provides average quality output (it's powered by ffmpeg), if I pipe ...
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1answer
15 views

How to easily extract start/end times of several clips within a video?

I very often get videos from which I need to extract about 1 to 5 clips. Currently I watch those videos in VLC and take note of the start/end times that each of the clips span. I feed that into ...
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0answers
26 views

FFMpeg kmsgrab record pixels in incorrect order

ffmpeg -f kmsgrab -i - -framerate 60 -vf 'hwdownload,format=bgr0' -preset ultrafast out.mkv This is how a video frame should look like This is how it is recorded by ffmpeg https://drive.google.com/...
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1answer
373 views

Export multiple clips from one video as separate files

I'm looking for video editing software with a GUI that will fit my needs. I've downloaded the video of the public comments from our most recent local city council meeting. 17 people gave public ...
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0answers
43 views

Video seeking doesn't work for files recorded from a camera using ffmpeg

I'm using the following command to record videos from a camera: ffmpeg -framerate 30 -video_size 1280x720 -t 00:58:00 -i /dev/video0 /home/myuser/my_video.mp4 The problem is that the resulting video ...
0
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0answers
127 views

FFMPEG: Publishing a Directory of video files (already encoded no transcoding needed) to RTMP & dealing with disconnects

I am currently using the below bash script to publish my directory of .mp4 video files (via concatenated list) to a RTMP server. My primary struggle is when FFMPEG loses connection to the server. The ...
2
votes
1answer
229 views

Combining two video fields into one (to create an interlaced video)

I have two separate video fields (top.avi and bottom.avi) and I would like to merge them to create an interlaced video. Is it possible to do this with ffmpeg? (or any other tool for Windows or Linux) ...
0
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1answer
2k views

FFmpeg with OpenCL support - Ubuntu 18.04

Recently I asked about GPU acceleration in FFmpeg using AMD Radeon (AMD support for ffmpeg? Can't get my dedicated GPU to work). After many tests I see that fighting with this topic is hard, ...
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0answers
330 views

How to fix interlaced mpeg2 video marked as progressive?

Is there a way to use ffmpeg (or anything else that can be used in linux) to fix an interlaced video marked as progressive, and mark it as interlaced so that I can get rid of bad interlaced frames? ...
0
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0answers
29 views

Joining video files together getting gray/scrambled frames at transition point

I have an MPEG-TS video file of 60 seconds that was split in half (30 sec x 2 files). When I concatenate back (cat unix) the two video parts, during the play of the video right at the moment when ...
1
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1answer
41 views

Is there an app that can automatically separate scenes/clips from a video file and export them?

I am looking to parse a collection downloaded YouTube videos that are actually compilations containing clips from several different videos all over the web. I would like for this program to ...
1
vote
1answer
292 views

How to split video in small clip?

I'm trying to split a video (50-100Mo) into several small clips of a few seconds each. I don't need re-encoding, hence my use of codec copy. However some of the resulting clips don't have any video. ...
1
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2answers
1k views

Audio/video sync software for Linux (preferably open source)

I'm looking for a program that can synchronize audio and video from separate files. PluralEyes does this. I'm looking for something that runs on Linux and preferably is open source. I imagine a CLI ...
3
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1answer
92 views

Nvenc produces corrupted video

Someone knows how to solve this? Hardware: DRIVER: 396.24 CPU: Ryzen 1700 GPU: Nvidia MSI 1050 TI Settings
1
vote
1answer
325 views

How to use MELT or FFMPEG for layering of a video (i.e. shifting an overlay of the same video by one frame to remove flicerking from LEDs)?

I am looking for a possibility to remove the flickering from LEDs on a video under Linux on the commandline. To do that one would have to Put the video on one track Put the same video on a second ...
1
vote
1answer
439 views

ffmpeg cut same video to multiple pieces

For the project that I'm working on I have to cut some parts of same video with some subtitles. So I made a bash file that executes multiple ffmpeg commands like this. ffmpeg -i input.mp4 -vf scale="...
4
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1answer
4k views

RTSP to RTMP converting fails after specific time only when IP camera enters night mode

I have bought a cheap IP camera Escam QF002 producing output in RTSP. I'd like to secure it with RTMP or HLS stream served by nginx with nginx-rtmp-module. For this I'd copy the video stream (h264) ...
-1
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1answer
423 views

Streaming HLS from a video4linux2 virtual video device

I'm trying to accomplish a few things at the same time with the raspberry pi camera; create an HLS live stream take regular interval jpg snapshots and save them to disk irregularly record short ...
2
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0answers
81 views

Switching channels without cutting video into clips in kdenlive

I'm using KDEnlive to edit multiple videotracks. I have the tracks synched, but they are different lengths. In a preview of the video I can sort-of live edit by switching off different video-channels. ...
0
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1answer
45 views

Cannot boot up OBS, prints an error

Distro: elementaryOS Ubuntu Linux 16.04 Kernel: 4.4.0-72-generic OBS version: 18.0.1 I tried installing OBS via the installation instructions for Ubuntu Linux, but when I tried to run obs, I received ...
4
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1answer
10k views

convert KAZAM video file to a file, playable in windows media player

I have some mp4 video files that are created by KAZAM in Linux. But I need to play those files on Microsoft Windows only by Windows Media Player (for example I can not install VLC media player). Also ...
1
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1answer
2k views

Stream desktop (linux) with FFMPEG to VLC

Hey guys how can I stream my desktop to vlc I did found some examples but they do not work;First I need to start ffserver with some configs example here https://www.organicdesign.co.nz/...
2
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1answer
2k views

Add semi-transparent box around subtitle

Hey guys how can I add box around subtitle like on picture with ffmpeg here is mi current command ffmpeg -i movie.mkv -strict -2 -vf "subtitles=subtitle.srt:force_style='FontName=ubuntu,fontsize=30',...
0
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1answer
105 views

FFMPEG add resize to my comand

Hey guys how can I add scale/resize command to mine command, because where ever I place the "scale" command I got error Here is mine ffmpeg -i movie.mkv -strict -2 -vf "subtitles=subtitle.srt:...
0
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2answers
5k views

“ffmpeg” set fontsize and font

Im trying to set font and font size but i can use only one of the filters not both here is mine command ffmpeg -i movie.avi -strict -2 -vf subtitles=subtile.srt:force_style='FontName=ubuntu, ...
1
vote
1answer
3k views

Crop selected area in all videos

I have many videos in a folder which I want to crop in same way. I want to remove 25px from the bottom part of all frames of all videos. All the videos are 1280x720p and have same format which is mp4....
3
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0answers
55 views

video stabilisation of tripod-taken video with many fast moving objects

Is there a way - in Linux - to stabilize with respect to a certain edge or region in the video? My situation: I have a video taken with a tripod (well, not exactly, the camera is suspended and ...
4
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0answers
475 views

GStreamer mpegtsmux produces empty output file

I'm trying to construct a GStreamer pipeline to transcode MPEG2 video and MPEG1 audio in a MPEGTS container to H.264 and AAC and output to a filesink. The problem is: the output file is empty. If I ...
3
votes
2answers
10k views

Concate two video file with fade effect with ffmpeg in linux

is there anyway to concate two video file with fade effect with ffmpeg in linux? something like this: ffmpeg -f concat -i input.txt -c copy "--with:fade:out-in" output.ogg
0
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1answer
710 views

Can I use a Linux Render Farm with a MAC Workstation running Adobe Premiere?

I am building a render farm running linux and I would like to be able to send my adobe projects to it for rendering from a mac workstation. I see that it's doable with a windows workstation(Build ...
0
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1answer
972 views

Adobe Premiere Pro Rendering in Linux

I was really wanting to build a Raspberry Pi Linux Cluster (~20GB RAM, etc). I was wondering if it would be possible to render video from Adobe Premiere Pro to Linux and how I would incorporate a ...
3
votes
1answer
80 views

Can't get audio and video speeds to play at original speeds

When I import audio and video from different sources into a project, I can't get them to play at the corrects speeds. For example, if I play the video in vlc player, it plays fine, if I play the ...
5
votes
1answer
1k views

Video transitions and filters - how to create custom ones?

I am wondering if there is a possibility to do custom video transitions or filters. Like the video spiraling out, little squares appearing, circling out or something like that. Wiping the video out ...
2
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3answers
1k views

Post processing - image stabilisation

I own a Panasonic HC-V130. Recently I've read an article about image stabilisation in a computing magazine. Can this be achieved without a special camera? I am using too much zoom to hold the camera ...
2
votes
1answer
10k views

Build linux render farm in order to render adobe premiere projects [duplicate]

I edit my videos on Adobe Premiere (or even Edius) and I want to build a linux based render farm for rendering my projects. The concepts I've found in my research are 'render manager' and 'frame ...
5
votes
1answer
4k views

Can you render Adobe Premiere or After Effects projects on Linux using a render manager?

I'm looking for a way to render Premiere or Edius projects on linux via command line. As you may know, there are a lot of render managers like Deadline, Render Pal or Smedge in order to build a ...
2
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0answers
834 views

Rendering edit on linux [closed]

I use Adobe Premiere for editing and rendering videos which is a windows based software and then I use ffmpeg for converting those video clips into different qualities. As you may know rendering ...
4
votes
1answer
5k views

Adding metadata for films/TV shows on Linux

I am looking for an open-source solution for automatically pulling films/TV shows informations. I've found MetaX (Windows only) and Subler (MacOSX only) from a post here. Apparently metadata sources ...
2
votes
1answer
92 views

Linux - looking for a way to produce analog effects for video

I am looking for a way to make analog video effects like those: You may want to turn the volume down a bit: If there's no convinient way to do it i can head to ...
17
votes
5answers
27k views

How to encode Apple ProRes on Windows or Linux?

Is it also possible to encode video with Apple ProRes on Windows and Linux?