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Questions tagged [mp4]

Questions relating to the mp4 multimedia file format

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16 views

Join / Concatenate / Glue mp4 files to one file using mencoder

I tried to concatenate some mp4 videos using mencoder like this: mencoder -ovc copy -oac pcm P10408*.mp4 -o new.mp4 When trying to play the new video I was asked to install some additional decoder ...
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0answers
29 views

Ubuntu 18.04.1 playing MP4 doesn't work

Installed on three (one dell latitude laptop, one dell all-in-one and one ASUS desktop) systems Ubuntu 18.0.1. After install cannot play, with standard installed Totem player, on any of the systems ...
3
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2answers
90 views

Double file extension with FFmpeg

I'm trying to get FFmpeg to go through all files and sub-folders under the path I run the command in, to convert any MKV file to an MP4 container instead. I've got the below command working but the ...
0
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1answer
24 views

How to retrieve a mp4 file into KdenLive for Ubuntu?

I've installed Kedenlive on Ubuntu 18.04. And I have also downloaded an mp4 video from AndroidAir; the video was originally recorded on my phone (Huawei Mate 10 Pro). When I tried to retrieve the mp4 ...
2
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1answer
37 views

How to convert an mp4 video by 180 degrees using ffmpeg or mencoder

After reading about how to convert a video by 90 degrees I tried these commands: mencoder old.mp4 -oac lavc -ovc x264 vcodec=mpeg4 -vf flip,mirror -o new.mp4 mencoder old.mp4 -oac lavc -ovc x264 ...
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0answers
17 views

mp4 and mkv file stops for a while then resume

After upgrading from Ubuntu 17.10 to 18.04 mp4 and mkv files on local disk stops playing for a while, then resume and the stops again. I am using gnome classic + totem. Any idea what is wrong or how ...
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0answers
856 views

Convert .mkv to .mp4

I am trying to convert .mkv to .mp4 Following is the my terminal. I get an error saying Cannot find H264 start code. Error importing video.h264: BitStream Not Compliant gayan@GayanF:~/Videos/...
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1answer
202 views

How to shrink mp4 video file size by 92%? [duplicate]

I want to minimize the size of a .mp4 video file from 300MB to around 25MB. How do I do it? I tried using HandBrake, but it is not doing as much as I wanted. Is there any coding procedure to do it in ...
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0answers
88 views

What's a good program to record as gif/mp4 in a window section in a configurable way? [duplicate]

I want to know a list of programs(GUI) to record both gif and mp4 and be able to change frames rate quality. SO: Ubuntu 16.04
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2answers
128 views

List MP4 by “ file '*.mp4' ” to a .txt

I want create a .txt with all mp4 files of a folder, but vertically and with file '/root/mp4/*.mp4' line by line. In Windows it's like (for %i in (*.mp4) do @echo file '%i') > files.txt
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0answers
19 views

Winphone MP4 on ubuntu

If I connect my Winphone to my Lubuntu PC with a USB cable and drag its Mp4 videos across the will not open (Unrecognized format). If I take the SD card out of the phone & pop it into my USB2.0 ...
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0answers
14 views

Backing up my DVD collection to NAS + Plex, why doesn't handbrake see all of the titles?

I'm using handbrake 1.0.0 from the stebbins ppa to rip and encode mp4s onto my NAS. For the particular title I'm working on, none of the titles avaiolable after a scan are longer than a few minutes. ...
2
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1answer
5k views

FFmpeg command for mpeg-ts encoding

I have just started using FFmpeg encoder. I have a command to encode video files to mp4 containers: ffmpeg -i input.mp4 \ -vcodec libx264 -s 426x240 -pix_fmt yuv420p \ -crf 22 -minrate ...
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0answers
35 views

mp4 videos has somehow changed to jpg format

I was thinking that I have lost some of my mp4 videos. Now I have found them as a large size jpg files. I don't know how that happened bud would like to be able to play them again. Just renaming them ...
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0answers
162 views

totem crashes — mplayer works fine

Looking to play a video with totem but the screen is non-responsive and shows a force quit button: thufir@dur:~$ thufir@dur:~$ mplayer Downloads/media.mp4 MPlayer 1.3.0 (Debian), built with gcc-7 (...
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1answer
1k views

Problems playing .mp4 files in Firefox on Ubuntu 17.10

Currently .mp4 files do not stream properly in Firefox. Can I check to see what file types are supported on my Ubuntu machine?
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0answers
46 views

Made an MP4 recording with SimpleScreenRecorder and default player or VLC won't play it

I had been using MKV and tried MP4 and would like to get it to work some way or another. I'm using Ubuntu version 14.04. When I try to play it with the default player it says no playable data and ...
2
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1answer
311 views

Taking screenshots from random frames of a video file [duplicate]

How can I take sequential screenshots from a video file using terminal? With ffmpeg I could capture a single frame, but I need something like this
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1answer
2k views

VLC opens and closes immediately when I play video files

I made a clean install on my laptop yesterday and installed VLC via command line. VLC crashes immediately as soon as I play any MP4 file. MP3 files play fine. I reinstalled Ubuntu. The problem ...
0
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1answer
449 views

Fix MP4 files which were improperly stopped while recording due to lack of space?

I have used my Android cell phone to record online lectures while driving home. The problem is that the version of Android across all my devices is 32 bit, so the maximum file size is limited. ...
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1answer
323 views

Why can't the default Ubuntu video player play MPEG4 movies without downloading additional codecs?

I know default video player in Ubuntu can download required codecs to play MPEG4 files. But I wonder why they are not embed this wide using codecs by default. Suppose a user cannot access to ...
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0answers
224 views

How to playback MP4 file in Mpeg4 Part 14 format?

I have some mp4 video files that come from my iPad. I am wanting to play them on Linux. By default, the player doesn't recognise the format. $ file 1.1.1.mp4 1.1.1.mp4: ISO Media, MP4 v2 [ISO 14496-...
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1answer
158 views

I need to make a dvd converted to a mp4 for my TV [duplicate]

I bought a DVD for my son but our DVD player is not reading it ; I think it is broken somehow. While my notebook can read DVD I want to make this animation DVD convert it mp4 or something else that ...
0
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1answer
391 views

youtube-dl removing downloaded parts

youtube-dl downloads mp4 parts and after downloading, combines that parts to make a single mp4 video file. I don't want a single, combined mp4 file. Because i want to edit those mp4.part files myself. ...
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0answers
26 views

How can I make the audio of this mp4 downloaded with youtube-dl work? [duplicate]

I opened the terminal of blender suite and typed: youtube-dl -f22 youtubeaddress The specifics of format 22 of the youtube-dl program is as follows: 22 mp4 1280x720 hd720 , ...
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1answer
278 views

Errors when attempting Playback on OpenMeetings

I am new to Linux, so if I am just overlooking something that should be obvious or if I'm directing this in the wrong place, please don't judge me too hard I just am stumped. I have just finished ...
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2answers
3k views

How would I batch edit video file metadata for an mp4?

I have a number of mp4 files that need to contain the same metadata eg. artist & album. How can I batch edit the metadata rather than doing them one by one?
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1answer
27 views

How to get a list of embeded subtitles from a group of “.m4v” videos?

I have a relatively large group of ".m4v" videos that have various subtitles embedded in them. I would like to create a list that showed me what subtitles are embedded in each of the ".m4v" videos. ...
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0answers
44 views

Screen goes black whenever video is played (14.04)

I brought a couple of Intel compute sticks (feeble little things) running Ubuntu 14.04 to play a couple of mp4 videos on various screens around the office. One works fine and is happily repeating a 4 ...
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1answer
992 views

video.js won't playback in Firefox, video/mp4" is not supported warning

I'm new to Linux desktop environment. I've just recently install a fresh Ubuntu Desktop 16.04 and Fedora 25 to learn. I've installed Firefox 51.0.1 on both Linux platforms as well as on a Windows 7 ...
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1answer
269 views

How to rename undeleted mp4 videofiles according to “encoded date”

I recovered deleted videofiles from sd-card and now I cannot sort them by date. I can see "encoded date" with mediainfo filename. How can I use the "encoded date" to sort videos, even rename them ...
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0answers
317 views

How do I install mp3 and video plugins in Ubuntu 16.04 LTS? [duplicate]

I have recently installed Ubuntu 16.04 LTS, and while setting up my environment i found that i can't play mp3 audio and mp4 video files. Could anyone guide me as how to play these files in Ubuntu 16....
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3answers
5k views

What tools could I use on Ubuntu 16.04 to cut mp4 files into several clips? [duplicate]

I am trying to cut a long video into several small pieces. Any recommended tools can do the task?
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0answers
1k views

How to open mp4 with Chrome?

You know, we can drag the mp4 movie to Chrome to play it. I want to open it with Chrome as default. But I can't find google-chrome at the "Other Application", as I can find the Firefox there. How ...
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1answer
642 views

How would you label an audio track as a “Japanese Surround 5.1” in MP4Box or ffmpeg

I have tried several methods of trying to label the track such as using MP4Box -lang 3=jpn file.mp4 and then did MP4Box -name 3="5.1 Surround" file.mp4 and the file in VLC keeps it's label only ...
3
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1answer
2k views

HEVC format convert to MP4 in ubuntu

I have some videos in HEVC x265 format. My usual media players don't support this format. when I go for a quick search I get HandBrake software for converting this kind of format. Do you have any ...
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1answer
708 views

How to convert webm video to mp4 when encountering errors for unsupported LBRR frames and decoding SILK/Opus

I have a low quality, but playable .webm video. It was recorded from a webrtc live stream that seems to have been on a bad connection. There are not many video frames and the audio cuts out for a ...
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1answer
3k views

How to add MP3 encoder in sound Converter ubuntu 15.10, 14.10 or 14.04

I have installed sound converter from Ubuntu 15.10 repository. But it is not working for MP4 to mp3. Previous posts are not helping me to sort out this problem !!!
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1answer
335 views

How can I rebuild the faac package to get mp4/m4a support and higher bitrates?

The copy of faac under Ubuntu Trusty Tahr 14.04 has 2 limitations: It does not have mp4/m4a support It cannot use high bitrates How can I rebuild faac, using correct Debian packaging techniques, to ...
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2answers
376 views

How to connect two or more mp4 files?

I have two mp4 files (part 1 and part 2 of a video with sound), and when one ends I want the other to begin, but this gets a little annoying because it is a music video and the sound has to stop while ...
2
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1answer
3k views

How can I split a .mp4 in two?

I have a bunch of .mp4 files (DRM free). Each file comprises two episodes of a kids TV show. I would like to simply split the file in two without re-encoding. What's the best way to do this? ...
0
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1answer
276 views

How to strip off all but audio from an mp4 file?

I have an .mp4 file with both audio and visual, however I want an .mp4 file with just audio, so how can I just strip off the rest? Is there an application which will allow me to do that? I am running ...
2
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1answer
218 views

Play audio of video file on login

I want to play an mp4 file when my account is logged into. How can I do this? It should be noted that the file also has video, so I only want the sound to be played, and not the video to be shown. ...
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2answers
3k views

MP4 video converter splitter joiner

Converting splitting and joining mp4 files in Windows is as simple as eating drinking and sleeping but here in Ubuntu it is giving me all kind of headaches to find a simple software to perform the ...
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2answers
16k views

How can I convert .264 file to .mp4

I want to convert an elementary stream(.264) to container format(.mp4). Can someone please help me on this? How can I use ffmpeg to do this task? What are all the other methods that could accomplish ...
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1answer
348 views

Help with MKV to MP4 Remux script

Overview: I'm trying to remux my mostly MKV library to MP4. I have a script that has gone through and extracted subtitles from the video files. I have another script that will remux any .mkv files ...
0
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2answers
4k views

converting avi to streamable mp4

I just got my chromecast and I am trying to convert my uncastable avi videos to castable mp4 video format I converted some avi videos to mp4 using the command: avconv -i input_file.avi -c:v libx264 -...
2
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0answers
694 views

Unable to play MP4 files on Ubuntu 14.04

Because I could not find answer to my question, I am raising it here in the forum. I have Acer Aspire One 722 and installed on it Ubuntu 14.04 LTS. I downloaded MP4 files from GoPro yesterday and ...
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1answer
2k views

import mp4 file in blender

I installed blender to edit my videos with mp4 format, but when I started import files blender show me this error : "file could not be loaded"! I don't know what's the problem here! is a codec video ...
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0answers
663 views

Unable to export MP4 video in Pitivi

Whenever I attempt to export an MP4 video in Pitivi, I notice an exclamation mark next to the container selection, and when I render it nothing happens. How can I fix this?