Questions relating to the mp4 multimedia file format

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2
votes
3answers
2k views

mp4 video playback is horrible

How can I get mp4 video to playback normal. They skip and look horrible. I was able to get them to playback on Fedora using a different setting with smplayer but nothing seems to work with Ubuntu.
0
votes
2answers
91 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 ...
2
votes
1answer
770 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 ...
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 ...
1
vote
1answer
667 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
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 ...
1
vote
1answer
1k views

error while trying to play .mp4 file

after agree to download and install extra multimedia plugins, it says package dependency can not be resolved, with below error: The following packages have unmet dependencies: ...
0
votes
1answer
38 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
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 ...
0
votes
1answer
207 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!
0
votes
1answer
863 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 ...
0
votes
1answer
2k views

VLC lagging while running HD videos

My vlc player keeps lagging while i play hd videos. To be more especific, it has been lagging in mp4 files with 720p and 1080p. It keeps stopping like 10 seconds to 10 seconds. The stopping time is ...
0
votes
1answer
426 views

Can't play mp4 files in Edubuntu 12.04

I have installed new Edubuntu 12.04 and unfortunately my mp4 files are not running.
-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?
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 ...
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
0answers
185 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, ...
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
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 ...
0
votes
0answers
107 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. ...
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
81 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?
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
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
0
votes
0answers
101 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 ...