Questions tagged [mp4]
Questions relating to the mp4 multimedia file format
0
votes
0answers
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 ...
1
vote
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
votes
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
votes
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
votes
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 ...
0
votes
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 ...
1
vote
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/...
1
vote
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 ...
0
votes
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
0
votes
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
1
vote
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 ...
0
votes
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
votes
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 ...
0
votes
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 ...
0
votes
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 (...
0
votes
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?
1
vote
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
votes
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
0
votes
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
votes
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. ...
0
votes
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 ...
1
vote
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-...
0
votes
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
votes
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. ...
1
vote
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 , ...
0
votes
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 ...
3
votes
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?
1
vote
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. ...
1
vote
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 ...
1
vote
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 ...
1
vote
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 ...
0
votes
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....
1
vote
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?
1
vote
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 ...
1
vote
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
votes
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 ...
1
vote
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 ...
0
votes
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 !!!
0
votes
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 ...
1
vote
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
votes
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
votes
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
votes
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. ...
0
votes
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 ...
3
votes
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 ...
1
vote
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
votes
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
votes
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 ...
1
vote
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 ...
1
vote
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?
