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
170 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
835 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
98 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
vote
1answer
43 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
230 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
1answer
5k 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
2k 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
49 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
230 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
967 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
433 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
275 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
55 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 ...
1
vote
0answers
144 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
0answers
157 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
282 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
27 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
15 views

How do I convert all my iTunes music to ogg to play on RhythmBox

I have an extensive libray of music in iTunes in Windows 10. It is on my C drive now. I would like to convert it to play in RhythmBox (ogg? or ssome other) I know that ogg works with my setup but ...
0
votes
0answers
85 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
0answers
149 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
42 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 ...