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Questions tagged [mp4]

Questions relating to the mp4 multimedia file format

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Can't Play an MP4 Video in Ubuntu 22.04

I am not able to play this video file in my Ubuntu 22.04 LTS OS: https://github.com/PacktPublishing/Hands-On-OpenCV-4-with-Python/blob/master/Motion%20Detector/airplanes.mp4 I installed ubuntu-...
Stephen's user avatar
  • 531
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0 answers
59 views

Facing problem with MP4 file uploads on Ubuntu with filezilla (the file size reduces after upload). Can someone help?

I am attempting to upload an mp4 file (112MB) to a Linux server. After a successful transfer, its size is reduced to 103MB or 80MB. It is not uploading the full size. Its Owner/Group changed ...
Harwinder Singh's user avatar
0 votes
0 answers
46 views

Run video on boot system. [Ubuntu Server, raspberry pi 4]

Im trying to play video at system boot (ubuntu server) with : vlc --loop filename.mp4 for the first time that video start everything is fine, but when restart it shows terminal for like 2 seconds and ...
Mattia Leo's user avatar
1 vote
0 answers
73 views

Not able to play mp4 files [duplicate]

I am not able to play mp4 files even though I've installed ubuntu-restricted-extras, I'm getting the following error: The specified movie could not be found Details: Ubuntu Version: 20.04 File ...
Zayaan's user avatar
  • 173
1 vote
0 answers
196 views

Problem with MP4/H264 metadata crop values

I have Ubuntu 20.04 Mate, VLC 3.0.9.2, MPV 0.32.0, MPlayer 1.3.0, AVIdemux 2.7.6. I have a video file (H264/AAC/MP4) in 16:9 aspect (1024x576p) where the video was accidentaly horizontaly squeezed to ...
Shakesbeer's user avatar
0 votes
1 answer
145 views

How to fix the quality of MP4 videos on ubuntu

so I have gnome-restricted-extras but just look at this How can I fix this I know I can use vlc but why is this happening is there any solution to it? I have latest ubuntu version updated
imposter's user avatar
  • 478
5 votes
1 answer
3k views

How can I convert my webm screencast to mp4?

Gnome has a built-in screencast tool using ctrl plus shift plus alt plus R. It's a great tool with consistent quality video output! But, I need the output in mp4. I have tried this: ffmpeg -i ...
Costa Michailidis's user avatar
1 vote
1 answer
2k views

How to run mp4 videos in Impress

I have to insert mp4 videos in an Impress slideshow in Ubuntu 22.04, but I'm not able to reproduce it during the presentation. I can only see a a black image (if I click on the space where the video ...
jk_ftv's user avatar
  • 11
0 votes
1 answer
351 views

Convert mp4 to iso

I want to convert an mp4 file from YouTube,to an iso file, so I can burn the file to a dvd. I have searched, but cannot find any software that works with Ubuntu.
Johno's user avatar
  • 1
1 vote
0 answers
2k views

Ubuntu Videos: "Could not initialise OpenGL support" - Raspberry Pi 4

I'm having a problem playing a .mp4 (don't know the codec used) video using Ubuntu Videos (the stock player) on RPi 4. I'm using Ubuntu 22.10 (upgraded from 22.04). I get the above error "Could ...
daerragh's user avatar
0 votes
1 answer
2k views

ERROR mp4parse : Found 2 nul bytes in "\0\0" error while running Firefox on Ubuntu 22.10 freezes any youtube videos

I've just upgraded ubuntu 22.04 to 22.10. Everything seems to work great except for Firefox. Infact this is what happens when I run it : ziomario@Z390-AORUS-PRO-DEST:~/Scrivania$ firefox [GFX1-]: ...
Marietto's user avatar
  • 595
1 vote
3 answers
2k views

Unable to play videos on 22.04 LTS

I installed Ubuntu 22.04 back in June and was able to play mp4 as well as flv files without any issues. Suddenly about two weeks ago, I'm unable to play those files either using the default "...
Ancient's user avatar
  • 29
0 votes
0 answers
39 views

How do you convert WMV to MP4? [duplicate]

I have some small WMV files which I want to convert to MP4. How do you convert these without too many troubles?
arie1985uk's user avatar
0 votes
1 answer
2k views

How can I choose which audio and subtitle tracks to keep when converting from MKV to MP4 with FFMPEG?

I have an .mkv file where there's 2 Audio tracks and 2 Subtitle tracks (SRT format). I want to convert that .mkv to mp4 and have it have Audio track #2 and Sub track #2 as the ones to play when I ...
Yen's user avatar
  • 1
3 votes
2 answers
3k views

What software to cast a .mp4 with subtitles?

I have a .mp4 and a .srt for English subtitles. I would like to play my video and cast it to Chromecast. What software should I use? On Google Chrome, I am able to Chromecast it but the subtitles are ...
JKHA's user avatar
  • 151
2 votes
1 answer
3k views

Converting multiple WebMs to MP4

So, I've been researching how to convert all WebM videos to MP4 in a directory. I've looked for about half an hour for results, but unfortunately, Google isn't being my best friend. I found a simple ...
Achak Claw's user avatar
2 votes
1 answer
1k views

`ffmpeg` doesn't recognize input from pipe for merging mp4 via concat demuxer

I want to merge mp4 files via the concat demuxer and cannot get it to work with a script. I am using the script from another AskUbuntu answer, called concatmp4 here: #!/usr/bin/env bash if [ $# -lt 1 ...
emk2203's user avatar
  • 4,226
2 votes
0 answers
546 views

mpv error with mp4 files in Wayland: "VA error: wayland: Wayland roundtrip error: Protocol error (errno 71)" [closed]

Ever since the 21.04 switch to Wayland, mpv has been saying: [vo/gpu/wayland] GNOME's wayland compositor is known to have many serious issues with mpv. Switch to GNOME's xorg session for the best ...
user1951615's user avatar
0 votes
1 answer
1k views

Videos are not working in Ubuntu 20.04.2.0

Ever since I upgraded my Ubuntu to 20.04.2.0, I cannot open any videos or Mp4 files. I looked up similar complains here and found some answers about installing some packages but did not work, are ...
Derhham's user avatar
3 votes
2 answers
7k views

Why does the VLC player has lag after pause?

why when I pause the vlc player and then start it after a few seconds, part of the movie doesn't play and jumps forward, while on Windows This problem did not occur. My system specifications: CPU: ...
Truth's user avatar
  • 131
-1 votes
1 answer
145 views

what is the command to open encryped file of image, mp3,mp4 in terminal?

i tried using super user command in front of many commands like feh ,eog , VLC ,display etc but nothing is shown . please help .!
ghajini's user avatar
0 votes
2 answers
684 views

VLC can't play MP4 files to Living Room TV through Chromecast

I'm using Ubuntu 20.04 and VLC 3.0.9.2. I have a Chromecast plugged in one of my TV's HDMI ports. Using VLC's Renderer function, I can play MKV or AVI files on my TV (identified as "Living Room ...
user2083893's user avatar
2 votes
3 answers
21k views

How to convert MKV to MP4 using ffmpeg keeping all video, audio tracks and subtitles?

I have been trying to convert mkv to mp4 using ffmpeg -i input.mkv -vcodec copy -acodec copy output.mp4 The input.mkv has two different audio track and one subtitle . But the problem I am getting is ...
Shravan Mhatre's user avatar
0 votes
1 answer
1k views

Move all mp4 from folders into another folder

Currently I have a folder with alot of mp4 files located like this: Folder1/titleplaylist/mp4files Folder1/titleplaylist2/mp4files Folder1/titleplaylist3/mp4files Currently I'm using this command: ...
displaynamehelp's user avatar
2 votes
0 answers
1k views

How to play brand mp42 video?

Outout of file: VID_20190129_195553.mp4: ISO Media, MP4 v2 [ISO 14496-14] Output of ffprobe: [mov,mp4,m4a,3gp,3g2,mj2 @ 0x5589e5bb7e40] moov atom not found VID_20190129_195553.mp4: Invalid data found ...
Gabor's user avatar
  • 268
-3 votes
1 answer
930 views

Cannot open Kazam file

My PC cannot display the video, as an error informs that there isn't any app for doing so. The error message is this: Could not display "videoname.mp4" There is no application installed for ...
DBG's user avatar
  • 315
0 votes
2 answers
15k views

MP4 and other format Video Issues Ubuntu 20.04

I have an issue which has recently presented itself which didn't happen before and I'd really appreciate some help. Unfortunately I cannot trace it back to a specific change I made and my extensive ...
Zac's user avatar
  • 1
2 votes
2 answers
1k views

Converting directory full of h264 to images

first time here. Please be gentle. let me know what I missed out on and I will correct it. my question is similar to this. So, I am hoping to get an answer for my specific query too. How can I convert ...
Harsh Solanki's user avatar
2 votes
0 answers
383 views

MP4 problems after installing ubuntu-restricted-extras

After installing ubuntu-restricted-extras on Ubuntu 20.04 LTS Desktop, I can play MP3 but not MP4 in both Firefox 82.0.3 (64 bit) and VLC 3.0.9.2. Ubuntu is running as a guest in VirtualBox on a ...
RandomName's user avatar
1 vote
1 answer
3k views

Batch Convert MP4 with ffmpeg

I have a whole bunch of text files, jpg and mp4 in a folder. I want the jpg and text files to be left alone. I want to compress all the mp4 using ffmpeg's -crf argument with a value of 23, to save ...
Display name's user avatar
  • 2,241
2 votes
0 answers
549 views

How to convert an ATS video with no compression to a mp4 video?

I am using ResearchIR software in Windows 10 and I wonder if there is a tool or command in Ubuntu 20.04 which can convert the output of a thermal camera capture that is .ats with no compression, ...
Mona Jalal's user avatar
  • 4,605
3 votes
2 answers
9k views

Video not playing in LibreOffice Impress

Using Ubuntu 18.04.4 and LibreOffice Impress 6.0.7.3 When I insert an mp4 video in the slide only a screenshot of the video appears and I am not able to play it. How do I play mp4 videos in ...
Ajay's user avatar
  • 31
9 votes
2 answers
15k views

How to easily convert an MKV video to an MP4

I would like to easily be able to convert a MKV video to MP4 video in Ubuntu. Is there any way I can easily do this at all?
tandoni86's user avatar
0 votes
1 answer
1k views

Can I stream video with nginx module?

I want to stream video from nginx to my browser. The videos are generlly in .mp4 format, but I can transcode either on the fly or in advance with avconv or ffmpeg/whatever. Is there a module I can ...
Monkeybus's user avatar
  • 141
2 votes
1 answer
3k views

18.04 ffmpeg: Play mp4 on fake webcam, "Conversion Failed!"

Trying to create a new fake webcam device (/dev/video2) and play a video on it so I can use it as a virtual webcam. Steps I took: sudo apt-get install v4l2loopback-dkms sudo modprobe v4l2loopback ...
Ran Shorowitz's user avatar
1 vote
0 answers
1k views

Remove preview (and thumbnail) from MP4 file

How does one remove the preview and thumbnail from a MP4 file (or other video format)? I just simply want to remove it and have a blank icon and preview image. I'm using OpenShot video editor which ...
s_schroe's user avatar
4 votes
2 answers
21k views

Ffmpeg: can TS video be converted directly to MP4 video without re-coding?

I see here (How to convert .ts file into a mainstream format losslessly?) that MKV is recommended for that purpose (ffmpeg -i input -map 0 -c copy output.mkv), but not MP4, which is said to involve re-...
cipricus's user avatar
  • 3,564
0 votes
0 answers
647 views

ffmpeg png + mp3 = mp4, howto make all image in a folder + random mp3 file to mp4 video with name file mp4 is name of png file?

i have a folder with 10 file png and 5 file mp3, i want use ffmpeg convert png+mp3=mp4, random 5 file mp3 for 10 file png, name of file mp4 finish is name of file png. how to do it, please help!
Kaka1971's user avatar
2 votes
1 answer
5k views

Repairing a corrupt mp4 - I'm having issues getting untrunc installed

Basically, I get the error "moov atom not found" when attempting to play an mp4 video on vlc or any other players. Following the advice given on this thread, I'm attempting to use untrunc to generate ...
Skye Chen's user avatar
0 votes
0 answers
2k views

Fast method for hardcoding subtitles to MP4/MKV

Until now I have tried 4-5 methods to hardcoding subtitles to mp4/mkv videos. ffmpeg - too slow mkvmerge - not sure thats hardcoding, because on TV subtitles are missing mkvtoolnix - program is ...
Dereckkkk's user avatar
4 votes
2 answers
7k views

h264 video does not play in Opera with Ubuntu 19.10 [duplicate]

I can't watch h.264 video mp4 format in Opera browser. Ubuntu version 19.10. It was working in 19.04.
hep 365's user avatar
  • 103
2 votes
1 answer
5k views

Batch Compress Videos with ffmpeg

I have many videos in a folder, and I want to compress them all with one command. To compress one video I use: sudo apt-get install ffmpeg ffmpeg -i input.mp4 output.mp4 But what if I have many ...
Florian Ludewig's user avatar
3 votes
2 answers
4k views

How to resize and convert mov to mp4 on Ubuntu 16.04

I have a very heavy mov video that I need to convert to mp4 and resize. I tried some applications like Mencoder and Ffmpeg but none worked. I'm using Ubuntu 16.04.
vupabezu's user avatar
0 votes
1 answer
101 views

How to list all mp4 files with HDp60 (to separate them from p30)?

I need to separate my mp4 files into p30 and p60 and would like to use command line tools to do this. I know that there is an option to check the details of a media file and I need to do this as a ...
bomben's user avatar
  • 2,059
1 vote
0 answers
1k views

mp4 files get corrupted when transfering them to ubuntu 18.04

This seems like a weird issue, so I've transfered some mp4 files to Ubuntu via FTP and some of them seem to be broken, more specifically the header, I get this message when I try to play them with VLC:...
Fercho54's user avatar
2 votes
1 answer
524 views

Why do *some* mp4 files play normally and other show unreadable static patterns on one ubuntu machine

All my mp4's are watchable on my desktop Ubuntu 18.04. But when I transfer them to my laptop Ubuntu 18.04 they show the pattern below. This is despite the fact that when I record mp4 videos locally ...
Michael Durrant's user avatar
1 vote
0 answers
874 views

Make Rhythmbox play .mp4 files

Once my Rhythmbox was capable of playing .mp4 files, but I can't seem to make it the same again. I tried installing: sudo apt-get install ubuntu-restricted-extras sudo apt-get build-dep rhythmbox ...
user avatar
1 vote
0 answers
3k views

check if list of mp4/m4v/mkv files has subtitles

i have list of about 230 video files (mp4, m4v and mkv), i want to make sure that all of them has english subtitles. is there an easy way to check it? (instead of open each 1 to see if it contains ...
Sagi314's user avatar
  • 71
1 vote
1 answer
2k views

I can't play mp4 videos in Parole version 0.9.1 (codec missing), Xubuntu 16.04.6

I can't fix Parole media player to play mp4 videos! I search and research on internet but none of suggestions worked for me. I installed latest version via Ubuntu repositories but no avail to play ...
vladimir pavloski's user avatar
9 votes
1 answer
3k views

How can I create a 30 second GIF from a long random video?

I have hundreds of videos in a folder that I want to make a gif for. Each videos length is different but all videos are longer than 30 seconds. I want to take 10 3 second gif images from a video over ...
Toodarday's user avatar
  • 373