Questions relating to the mp4 multimedia file format

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2
votes
3answers
6k 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 ...
2
votes
3answers
1k 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
1k 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
419 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
670 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
1k 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 ...
0
votes
1answer
277 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 ...
0
votes
1answer
368 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
543 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
310 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.
-1
votes
1answer
290 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
106 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 ...
1
vote
0answers
58 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 ...
0
votes
0answers
29 views

Unable to delete or copy files from/on an MP4 player

I was wondering about how t fix the following problem: I have an MP4 player and connect it to my laptop where I have Ubuntu 12.04. I connect it using an USB cable if that makes any difference. It ...
0
votes
0answers
46 views

Saving just the audio track from a remote video file, without downloading it completely

Can I save just the audio track from a remote video file, without downloading it completely?
0
votes
0answers
29 views

Audio is lost while converting a video file using avconv

I was converting a file from avi to mp4 using avconv: avconv -i 'Supernatural S01E10 HDTV.avi' -c:v libx264 -c:a copy -y 'Supernatural S01E10 HDTV.mp4' The file has the following properties: ...
0
votes
0answers
315 views

video playback running very slow (mp4, youtube, etc) on Asus EEPC 1201t 2gb using Ubuntu 13

I used to have a Windows 7 starter edition OS installed on a Asus EEPC 1201t 2gb and mp4 HD videos from my camcorder used to play fine. So I switched to Ubuntu 13, the whole system is pretty faster ...
0
votes
0answers
53 views

Arista Transcoder not keeping the subtitles after convertion from MKV to MP4

I'm trying to convert a TV show episode from MKV to MP4 to run on my PSP and the MKV file has subtitles embedded, but when I use Arista Transcoder to convert, the result is a video without the ...
0
votes
0answers
57 views

How to slow down a PAL video to NTSC?

I have a video file that was ripped from a DVD that was converted from NTSC to PAL. Now, that file is faster and higher-pitched than it should be. How can I slow down this mp4 file (both in video ...
0
votes
0answers
26 views

mp4 does not upload from android to ubuntu 1

I am experiencing issue uploading mp4 files from android to ubuntu 1 using the app as well as chrome browser. Files are less than 150mb and there is enough space on my cloud. Files does not upload in ...