Questions relating to the mp4 multimedia file format

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0
votes
1answer
37 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? ...
-1
votes
0answers
25 views

Using avconv to convert any video file to mobile Browser [on hold]

I used avconv and ffmpeg to convert video files, but these files after this process, it's do not works on a mobile browsers. They only work as well on VLC or any other browser of desktop (linux or ...
0
votes
1answer
48 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
53 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
104 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 ...
0
votes
2answers
88 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 ...
0
votes
0answers
15 views

How to convert mp4 to gif? [duplicate]

I have a video in mp4 format, however I need to post it in a question here so need to convert it into an animated gif (there is no sound), so is there any easy way of converting an mp4 file into an ...
1
vote
1answer
49 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
116 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 ...
0
votes
0answers
106 views

How to force Firefox to prefer WebM over MP4 when both are available in a <video> tag?

There is some problem with MP4 playback on my installation and WebM files are played perfectly. But if the first source in a <video> tag on a page is mp4 it's getting selected automatically. ...
2
votes
0answers
200 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 ...
0
votes
0answers
149 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 ...
0
votes
0answers
77 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?
1
vote
1answer
39 views

requirements and settings to be able to stream a larger video(20 minutes over 200 meg, mp4) on a ubuntu server running apache2, php5.4 and fastcgi?

I've got it working on smaller videos using owncloud , Ubuntu 14.04, apache2 fast CGI, etc. It works on a 1 minute video but if it is longer than 2 minutes it has to download the whole file before it ...
0
votes
1answer
46 views

Totem 3.10 -no audio mpeg4 aac after 4 seconds-

I've a new camcorder Canon and problems with audio when playing on Totem (Ubuntu 14.04). The firts 4 seconds sounds perfect, but after then remains silent, with no audio. The video is perfect, also ...
1
vote
1answer
653 views

How to Convert All The .MOV Videos To .MP4 in folder

using ubuntu 14.04 i am a newbie can anyone help how to easily convert all the .mov files in my /var/sentora/hostdata/zadmin/public_html/ctkdonline_com/wp-content/uploads/2015/08 folder need to ...
1
vote
0answers
115 views

Making a backup copy of the DVD “Iron Man 2”

I am trying to make a backup copy of my DVD Iron Man 2 (I live in a country where it is OK). This particular DVD has special tricks to prevent buyers from doing that (see dicussion for Mac). I ...
1
vote
1answer
684 views

Create gif animated image from mp4 video

I want make a .gif animated picture extracted from a given .mp4 video,. I would prefer to do it from the command line, so command line tools only are accepted
-3
votes
1answer
88 views

Are there any “pretty” video players for Ubuntu? [closed]

14.04, specifically. Sorry if this is kind of a silly question. I have a lot of movies on mp4, and I was just curious if there is a video player that looks nice with which I can play them; VLC and the ...
0
votes
0answers
36 views

Why, When I use headphone to head file mp4 the sound very low!

First I'm sorry for my English if it wrong anywhere please forget it. My problem's when headphones plugged in I can't hear sound of file mp4(Youtube, video mp4...) but I can hear mp3 it normal and I ...
0
votes
2answers
98 views

How do I download videos off youtube that won't download with downloadhelper?

Some videos on youtube wont download with the downloadhelper add-on I'd like to know a downloader in the add-ons that is able to grab ALL youtube videos preferably not one that needs to be installed ...
0
votes
0answers
35 views

How to capture screen as video and output into web streaming?

I am willing to capture the desktop (ubuntu) and output it in a streaming mp4... I am willing to implement an "desktop mirroring" for apple tv... and I know how to stream an "mp4" to appletv
1
vote
0answers
183 views

MP4Box Warns about different PPS even though they are the same

I have an online class that provides MP4 versions of class lectures, but the lectures are broken into chunks that are each a few minutes long. I'm trying to concatenate the chunks into whole lectures, ...
0
votes
1answer
556 views

Green screen on totem when playing mp4 files

When I try to launch mp4 video files in Ubuntu 14.04, there is only shown a green screen but no video. The audio is running normally. I use the standard video application in Ubuntu, I think this is ...
0
votes
0answers
100 views

why can't cinelerra handle my mp4 audio?

Loading mp4 files into cinelerra from my nx20 samsung, all I get is garbled noise. I've tried changing format, driver, etc. The only way to get the audio track is to strip it out and reformat into ...
0
votes
1answer
206 views

How to cut mp4 file and link to make webm

Whats the fastest way to cut small sections of a mp4 file and link them back together as a WEBm help is greatly appreciated!
2
votes
2answers
2k views

Best avconv settings for WebM video?

What are the best settings when converting, say, a .mp4 video to WebM? I have done some searching on here but nothing specific to what I need really. What I've been using: avconv -i input.mp4 \ ...
-2
votes
2answers
1k views

how can i run mp4 movie on my ubuntu OS?

Hey friends I recently downloaded a movie from YIFY torrents.. it is in MP4 format.. but it is not playing in VLC player.. .the player shows the message - "You are missing codec pack to play this ...
1
vote
3answers
13k views

How to extract the audio from an mp4 video to a mp3 file?

I'd like to extract the audio from an mp4 video. Is there a software for Ubuntu, which does the job?
1
vote
0answers
236 views

avconv gives error when trying to split a file in since 14.04 upgrade

I use the following command to split a file, but since an upgrade from 12.04 to 14.04 it gives an error. The resulting file only contains audio, no video. avconv -i cam.mp4 -ss 00:14:00 -t 00:28:00 ...
1
vote
2answers
129 views

How to write a script with nautilus actions?

I want to use nautilus actions with my own script which I have usually started successfully with open-terminal and pasting the command (s. below) directly in the terminal. for file in *.mp4; do mkdir ...
1
vote
3answers
12k views

ffmpeg unkown libfaac ubuntu 14.04

I Have Installed ffmpeg 2.3 in Ubuntu 14.04 ffmpeg -i demo.mpg -acodec libfaac demo.mp4 ffmpeg version 2.3 Copyright (c) 2000-2014 the FFmpeg developers built on Aug 13 2014 22:15:33 with gcc 4.8 ...
1
vote
0answers
25 views

mp4s and jogs on micro sd that are black

I took a number of videos and photos with my Canon on a "generic" micro sd card. Many of them show up and work fine but there are some files that seem to be corrupt. They won't show in the finder ...
1
vote
1answer
4k views

How to play mp4, restricted codecs already installed?

So I am a first time Ubuntu user as of a week ago, and am having a difficult time getting an mp4 video file to play after I downloaded it. I have downloaded the restricted codecs and also VLC, what ...
2
votes
1answer
420 views

Handbrake ripped mp4 stops at 27mins 55 sec

I am running Ubuntu 14.04 LTS 32 bit. I have installed HandBrake from add-apt-repository ppa:stebbins/handbrake-snapshots (thus avoiding the Debian issue) but I've found that all of the MP4's play the ...
2
votes
2answers
20k views

Can't play .mp4 files embedded in html5 player in Firefox [closed]

I have just installed Lubuntu 14.04. I can run .mp4 video files directly with Firefox but if i put them into an HTML5 tag then I get error: 'video format or mime type is not supported'. I have been ...
-2
votes
1answer
4k views

Copy mp4 files to DVD

How can I copy mp4 files from my Hard Disk to a DVD in UBUNTU 13.10 in my laptop? Is there any program or application compatible with Ubuntu 13.10 to do this?
0
votes
2answers
48 views

Computer noob needs help with video format conversion [duplicate]

I need to convert 2 movies from the .MKS format to a .MP4 or .AVI file. How would I do that? I would prefer doing this in a GUI as I am not comfortable with the Command Line Interface.
2
votes
2answers
4k views

How to extract aac audio from an mp4 file to m4a

How can I extract the aac audio from an mp4 file? I tried with ffmpeg and -acodec copy but if i use mp4 as output it will still encode the video and I get the same file size. If I use m4a as output ...
2
votes
1answer
769 views

mp4v and mp4a in Ubuntu VLC

In 13.10, I have this error in VLC: [0x7f529c0038a0] main decoder error: no suitable decoder module for fourcc `mp4v'. VLC probably does not support this sound or video format. [0x7f529c004470] main ...
5
votes
1answer
13k views

How can I convert my mp4 files to avi using avconv?

I need to convert some mp4 files to another format (I chose avi: there may be a better one, suggestions welcome). I tried using ffmpeg but got the deprecated message so I am using avconv, but again ...
1
vote
1answer
666 views

Why doesn't the faac package support mp4?

In Ubuntu 13.10, faac doesn't support MP4. If you run faac --help you get: Freeware Advanced Audio Coder FAAC 1.28 Usage: faac [options] infiles ... Options: -q Set ...
0
votes
1answer
861 views

MP4 plays too fast

I am trying to play an MP4, but it plays too fast, as in fast-forward. The sound track is on time though. Existing solutions don't apply to me. Should I be able to slow down the frame rate on VLC or ...
1
vote
1answer
1k views

bulk/batch convert mp4 and m4v files to webm via command line?

is it possible to convert mp4 and m4v to webm via command line? I'd like to just in a bulk swoop convert my mp4 and m4v files to web so i can play them in firefox without any issues.
0
votes
1answer
767 views

Metax alternative for Linux

I have used the Metax program on my Windows that works great for video, and was wondering if there was a Linux video, mp4, movie and TV show editor out there. I tried using EasyTAG to do it, but it ...
3
votes
5answers
8k views

VLC unable to play mp4 files downloaded from youtube

Regarding the above, not sure what happen since previously I could play any files I download from youtube, be it avi or mp4. Now I cannot play any mp4 file downloaded from youtube but no issue to ...
0
votes
1answer
4k views

How can I quickly convert a GIF file to a video?

I have a small animation formatted as a GIF image file which I would like to convert to a video. Is that possible?
1
vote
1answer
680 views

How to repair videos?

Videos' size became 0byte. I don't know what happened. But some of the videos work, those recently played became 0byte. On Totem says: Stream contains no data. And on other player they don't play ...
10
votes
2answers
30k views

How to fast convert mp4 to webm using ffmpeg?

Sorry to disturb you but I'm in a kind of a trouble. I have to convert 76 mp4 files to webm for the purpose of a website that uses HTML5 videos. I'm talking about 10 Gb of mp4 files... I know I can ...
2
votes
6answers
4k views

mp4 to mp3 conversion

I have worked on multiple tools that convert a "mp4" file to "mp3" format, but what I am really interested in, is there a way I can convert multiple mp4 files to mp3 format in a single go.