All Questions
132
questions
1
vote
1
answer
169
views
Install newest FFmpeg version on Ubuntu?
I cannot, for the life of me, figure out how to get a non-depreciated version of FFmpeg on an Ubuntu installed.
(Side note: I'm using crostini)
I tried following FFmpeg's docs on getting all the ...
- 113
0
votes
1
answer
47
views
FFmpeg fell into a cycle at concatenation on Ubuntu Desktop i386 16.04.4
I use FFmpeg at 2016 but I need concat much short video from 4 to 180 sec. This is on a notebook with Windows 7 and Ubuntu Desktop i386 16.04.4.
If tool can read filter script from file it cannot ...
- 19
0
votes
0
answers
58
views
Please help me ffmpeg and ffprobe update
Should I use XUI.one for ffmpeg 7.0 version?
Does that ffmpeg 7.0 version support the XUI.one?
I am using XUI Dashboard to use ffmpeg.
I upgraded the ffmpeg version to 7.0.
However, testing cannot be ...
- 11
0
votes
0
answers
47
views
Why does FFmpeg encoding stall on Ubuntu with DVD video file?
I've encountered a challenging issue while using FFmpeg on Ubuntu to encode a DVD video file contained in a .bin format. Despite various attempts (also employing vlc or bounting converted .iso), ...
- 821
1
vote
1
answer
102
views
FFmpeg trimming of Linux Screencast video does not work as described in another answer
I used the answer(s) from this questions, however my video is not trimmed.
Using ffmpeg to cut up video
How to reproduce reproduce:
The Video I am talking about was recorded via the Ubuntu 22.04 ...
- 129
0
votes
0
answers
88
views
I need help installing FFMPEG on my server
I'm trying to get FFMPEG installed on my VPS.
Plesk Obsidian Version 18.0.59
Ubuntu 22.04.4 LTS
Basically, I need FFMPEG installed, as the custom MP3 player I use for my website can generate audio ...
2
votes
0
answers
332
views
I am unable to play the RTSP stream using ffmpeg
I have two computers with Ubuntu 20.04.5 LTS installed, and one virtual machine with Ubuntu 22.04.3 LTS. I have a docker container with mediamtx installed on one of the computers, let's call it server....
- 31
1
vote
0
answers
8k
views
I would like to play 2 x 4k videos side by side on dual monitors on Linux using ffplay
I would like to use ffplay (if possible) to play 2 x 4k videos on different (dual) monitors connected to the same Linux (Ubuntu) machine. They are same videos (same in length, etc), just differ in ...
- 11
-4
votes
1
answer
1k
views
Upgrading to ffmpeg version 6 in Ubuntu Server 22.10
Is there an easy way to upgrade ffmpeg in Ubuntu? I have version 5.1.1 and want version 6. On Mac I have version 6 by default.
I have tried literally everything I could think of. Snap install,adding ...
- 146
1
vote
0
answers
419
views
Ffmpeg No such file or directory creating hls output
I am using ffmpeg to create a hls live stream with the following command
ffmpeg -i "rtmp://domain.com/stream/6" -c:v copy -c:a copy -f hls -y -preset superfast -hls_segment_type mpegts -...
- 13
1
vote
0
answers
558
views
Redirected RTSP video stream cannot connect to server
I have an Auvidea video encoder/decoder that allows me to stream video via RTSP. I would like to redirect the stream from it to another server. As a server I use MediaMtx software previously known as ...
- 31
0
votes
0
answers
1k
views
ffmpeg error with SIGSEGV
ffmpeg was killed with signal SIGSEGV (using fluent-ffmpeg in nodejs on ubuntu)
I am expecting ffmpeg to take a provided url and timestamps, then trim the video down. Once that happens I want it to ...
3
votes
0
answers
657
views
Can't split 24bit flac files on the command line
I am trying to export a 24bit flac file in my ubuntu terminal. I've tried two different methods, but neither work.
Method 1: shntool
when I run this command:
shntool split -f times.cue -O always -o ...
- 131
0
votes
1
answer
246
views
Trying to trim a WAV file with ffmpeg yields a "Unable to find a suitable output format" error
Here's my command:
ffmpeg -i /path/to/filename.wav -vn -acodec copy -ss 00:00:00 -t 00:13:00 /path/to/filename-0.wav
When I run it I get the following error:
[NULL @ 0x55dfa3f27c80] Unable to find a ...
- 7,204
0
votes
0
answers
247
views
ffmpeg auto ended process with output error
How do you make ffmpeg stop during processing if strange words appear which make the live stream error automatically stop?
For example, during the process I often get output like this:
Non-Monotonous ...
- 101
0
votes
0
answers
151
views
ffmpeg return different result on different OS
I use following command to stream an online video link
ffmpeg -i "source link" -c copy -t 20 output.mkv
It worked well on my win10 PC, then a few days ago, I tried this on a new PC with ...
- 115
0
votes
0
answers
427
views
Recursively search all subfolders for png images and convert them to one mp4 video
I have timelapse camera that is recording a png picture every 30 seconds. The timelapse system makes a subfolder that has the date as its name and then each subfolder contains png files which are ...
0
votes
0
answers
1k
views
Why I do get "Segmentation fault (core dumped)" when using ffmpeg encoding AMD AMF H.264 in Ubuntu?
Hello I built ffmpeg with AMD AMF drivers on Ubuntu 22.04 and when I run this command:
ffmpeg -i video_sample.mp4 -c:v h264_amf output.mp4
I get this error:
ffmpeg version N-107316-gf9dd8fcf9b ...
- 59
0
votes
1
answer
1k
views
Video created from ffmpeg can be played in desktop chrome but not mobile chrome?
I have a project that
generates a .jpg file with a caption (using imagemagick convert)
creates a .mp4 file by combining the .jpg file from step 1 and an .aac audio file
concatenates several videos ...
- 1
0
votes
0
answers
530
views
Automating Build of FFMPEG on Ubuntu 20.04 with NVidia acceleration support
I'm trying to automate deployments of a server with a nvidia gpu for video transcoding and need to build ffmpeg from source with nvcc support.
I've gotten the bash script working up to the point where ...
- 113
1
vote
1
answer
1k
views
ffmpeg: correct syntax for multiple audio filters
I want to apply three audio filters: pan --> dynaudnorm --> volume.
The problem is that the middle filter (dynaudnorm) is ignored.
For testing, I've tried rearranging the filters, and no matter ...
- 33
2
votes
1
answer
3k
views
FFmpeg - Enable all video filter (-vf) options at a specific time in the video
Is there an option I can pass so that my -vf or -filter_complex options only become active at a certain time in the video (i.e. 5 seconds after the start of a video?) in one command (without concat'...
- 2,418
0
votes
1
answer
420
views
frei0r filters not working
I've installed ffmpeg on a new server, but the frei0r filters don't seem to be working for some reason. I just installed it from the standard apt repo on Ubuntu 20.04, like I did with my old server, ...
- 2,418
1
vote
1
answer
1k
views
minterpolate:slowmotion video with stuttering / stroboskop effect
i have the follow issue: i would stretch a video from 11min to 22min.
The Input video have a frame rate of 30FPS
i stretch ( slowmo) ist with:
ffmpeg -i 1min.mkv -r 60 -filter:v setpts=2.0*PTS output....
1
vote
1
answer
1k
views
FFmpeg amerge filter - Continue on with longest audio stream
I have a video that already has 1 audio stream. I have another m4a file that I want to merge with the already-existing audio stream in the video.
The m4a file is about 10 seconds shorter than the ...
- 111
0
votes
0
answers
2k
views
ffmpeg version 4.2.4-1ubuntu0.1 failed to convert m4p to mp3
I failed to convert DRM protected m4p files bought from iTunes years ago. Apparently, from what I read on the forum, this used to work.
ffprobe:
nput #0, mov,mp4,m4a,3gp,3g2,mj2, from '01 Meds (...
1
vote
1
answer
324
views
Stack jpg images from ffmpeg extraction using pipe or any other function? [closed]
I extract frames using command
ffmpeg -i "rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov" -f image2 -vf fps=fps=1 ipcam_%04d.png
I tile extracted frames horizontally
...
- 11
1
vote
1
answer
1k
views
Do I have to recompile ffmpeg in order to enable a new library?
I want to add the frei0r filter library to my existing ffmpeg installation on Ubuntu, this is my current configuration:
--enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay -...
- 2,418
0
votes
1
answer
495
views
Howto redirect cheese webcam effect to new video device
I am on ubuntu 20.04, but v4l2 package is not working: so I installed it from here
git clone [email protected]:umlaeute/v4l2loopback
make
sudo insmod v4l2loopback.ko exclusive_caps=1 video_nr=1 ...
- 111
2
votes
0
answers
1k
views
Ubuntu ffmpeg fake webcam with mp4 error
I tried to send video (mp4) to webcam
as I follow the instruction from https://askubuntu.com/questions/881305/is-there-any-way-ffmpeg-send-video-to-dev-video0-on-ubuntu , I recompile v412
$ffmpeg -re -...
- 21
-1
votes
1
answer
94
views
Batch Script to convert 1 image and 1 audio from image directory and audio directory into mp4
I have a folder of images and a folder of audio, I'm trying to create a script that takes an image from the image directory, merges it with an audio from the audio directory and outputs an mp4 but not ...
- 37
0
votes
1
answer
752
views
DigitalOcean Ubuntu ffmpeg app stops half way thru rendering, "Killedpeed=0.0569x"?
I have a node app that combines a bunch of videos together and it is working on Mac/Win10. I'm trying to host it on Digital Ocean and the app is working except for the final video build. The video is ...
0
votes
1
answer
2k
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 ...
- 37
0
votes
1
answer
3k
views
use find command for recursive conversion using ffmpeg
How can I use the following script to recursively convert a directory containing .mp4 to .png (1 frame only).
Right now it only converts the directory. It's not recursive.
for i in *.mp4
do name=`...
- 63
1
vote
1
answer
310
views
convert files with using basename to different externsion
I'm trying to figure this out.
I've found multiple ways to do this but always result in the files being named .mp4.png
here is my command script:
find -name "*.mp4" -type f|xargs -i ffmpeg -i {} -r ...
- 63
3
votes
1
answer
17k
views
FFmpeg: Update FFmpeg to the latest ( GIT ) version?
I need to use the new xfade option of FFmpeg which was added about a week ago. My FFmpeg installation on the server ( Ubuntu 18.04.2 ) was about 2 months ago, so I need to update it as I'm getting the ...
- 129
0
votes
0
answers
403
views
FFMPEG Filter Waverform monitor (video)
I was using the waveform monitor this way
ffplay -i "outnew.mov" -vf "split[a][b]; [a]format=gray,histogram=mode=waveform:waveform_mode=column,vflip,split[c] [d];[b]pad=iw:ih+256[padded];[c]geq=g=1:...
- 81
0
votes
0
answers
479
views
how to use ffmpeg on ubuntu to encode to dnxhr 12 bit
i've been trying to make dnxhr 12 bit files using ffmpeg and it always seems to come out as 10 bit. when i've checked, it seems that my installed ffmpeg says it should be able to do this but ffprobe ...
1
vote
0
answers
1k
views
FFmpeg video capture using DeckLink on Ubuntu 18.04 not working
I've been spending the 24 hours troubleshooting this problem, but am getting a bit stuck.
Pre-info: I'm running an Ubuntu 18.04 server with a DeckLink Duo 2 card inside.
Goal: Capture video from the ...
- 11
3
votes
3
answers
29k
views
Using FFMPEG with Nvidia GPU
I have approximately 1400 .mp4 video files, and I must reencode everything to use mp4box to transform it in DASH
CPU: Intel® Core™ i7-6700 Quad-Core Skylake
GPU: GeForce® GTX 1080
Ram: 64GB
Ubuntu 18....
- 41
12
votes
1
answer
51k
views
Using FFmpeg to encode a video to h264 using Intel QuickSync
I am running this command:
ffmpeg -init_hw_device qsv=hw -filter_hw_device -f rawvideo -pix_fmt yuv420p -s:v 2560x1440 -i normal-desktop-use-1440p.mkv -c:v h264_qsv -
b:v 5M output.mp4
I get the ...
- 263
7
votes
0
answers
14k
views
How to utilize all cores on high-end CPUs using ffmpeg
I have a high-end HPE ProLiant DL325 G10 server with an AMD EPYC 7401P 24-core/48-thread CPU, 128GB DDR4 RAM, and a Intel P4800x PCIe NVMe. I tried to run ffmpeg to convert a video (MKV) to MP4 for ...
- 71
0
votes
1
answer
367
views
Slideshow Background on FFmpeg for Streaming
I currently have a GIF looping in the background. But I want to add an image slideshow that features 10 images on loop. How can I achieve this?
My current code example that uses a GIF is below:
...
- 37
1
vote
0
answers
686
views
Why the device "/dev/video1" not shows?
I'm trying to share my desktop via virtual webcam, but unfortunately the app cheese and google chrome and any app can't have access to this device "/dev/video1", the "/dev/video0" is the integrated ...
- 11
1
vote
2
answers
755
views
Does the FFMPEG output depend on the machine?
I created a slideshow on my laptop with the command of
ffmpeg LOOPS -i "AUDIO_FLAC" -filter_complex "TRANSITION MAP
concat=n=30:v=1:a=0[v]" -map "[v]" -map 30:a -shortest -q:v 1 -q:a 1 output.mp4
...
- 1,052
2
votes
2
answers
4k
views
FFmpeg X11 Grab Black Screen on Ubuntu Server
I've been trying to grab the output of a second display server with FFmpeg, however when I open the video in VLC on my PC it appears to be a black screen. I've tried both with FFmpeg from apt and one ...
3
votes
0
answers
1k
views
FFMPEG Permission denied on file in NTFS
FFMPEG won't read a file on my NFTS partition, even with sudo, giving the error "Permission denied". Something to do with whitelist and crypto? Full log:
$ cp a.mp3 b.mp3
$ ls -l ?.mp3
-rwxrwxrwx 1 ...
0
votes
1
answer
3k
views
RTMP to HLS conversion frame rate issues with ffmpeg/nginx
Currently, I'm pushing a RTMP stream to nginx 1.15.3 running on Ubuntu 18.04 LTS from a raspberry pi 3 camera (which seems to be working well on its own, I can pull the stream with no issues on VLC ...
- 123
0
votes
1
answer
255
views
ffmpeg Remap Filter is not scaling for me
I'm still new to all the stack exchange sites, so if I'm not asking this in the right place, feel free to point me in the correct direction.
Link to the filter I'm using: https://trac.ffmpeg.org/wiki/...
- 123
2
votes
1
answer
2k
views
Docker Ubuntu vs Alpine Speed Differences
In an unscientific test, I converted the same 15 second sample mkv file with the docker ffmpeg image 3 times (just running the same command thrice with the exact same settings).
Commands used:
OS X:
...
- 792