Questions relating to the mp4 multimedia file format

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0
votes
1answer
25 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
0answers
34 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
12 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: ...
2
votes
0answers
42 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 ...
0
votes
0answers
15 views

Can a program receive information from a video [on hold]

I'm looking to develop a program that downloads a video(already know how to do that part) then "watches the video" and writes down the words that are on the screen in the video. Think of it as a ...
1
vote
2answers
946 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 ...
-1
votes
1answer
26 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
29 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.
0
votes
0answers
184 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
28 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
35 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
2answers
132 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
272 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 ...
3
votes
1answer
1k 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 ...
0
votes
0answers
23 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 ...
0
votes
1answer
344 views

Faac in Ubuntu 13.10 doesn't 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
265 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
830 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
0answers
100 views

An error occurred mp4 files

plz help me to read my mp4 files and mov files i can't read it a error message apparre say An error occurred This file contains no playable streams. this is the picture from my lap ![error ...
0
votes
1answer
407 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 ...
2
votes
3answers
5k 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
1k 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?
0
votes
1answer
279 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 ...
6
votes
2answers
15k 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 ...
1
vote
6answers
2k 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.
3
votes
5answers
19k views

How to convert a video from mp4/flv to mpeg/mpg [duplicate]

I download videos in mp4 or flv format but I need to convert them to mpeg 1/2/3 so that I can watch them on my special gadget. I think I need a program. any suggestion thanks
5
votes
1answer
653 views

How can I convert .mp4 and .m4a files to .mp3 files automatically, keeping the cover art?

I have some .mp4 and .m4a audio files that I want to convert to .mp3 files. I want the resulting .mp3 files to include the cover art included in the source files, without fiddling with EasyTAG ...
0
votes
0answers
36 views

wine problem with install [duplicate]

When I press install, I get this message Package dependencies cannot be resolved This error could be caused by required additional software packages which are missing or not installable. Furthermore ...
1
vote
1answer
1k views

VLC player wont play AVI or MP4 on Lenovo S10e

I'm brand new to Ubuntu (and linux all together). I just installed Ubuntu 12.10 on my Lenovo S10e, and I'm trying to play movies that I loaded from my external HD onto the netbook. I've tried 4 ...
5
votes
3answers
5k views

Trying to convert MKV to MP4 with avconv, failing

I am trying to convert an MKV file to MP4 to be compatible with my PS3. I am using: avconv -i file.mkv -c copy file.mp4 It fails and I get the following error: [mp4 @ 0x8a17c00] pts < dts in ...
10
votes
3answers
7k views

Batch extract audio with avconv

I have about 70 mp4 files, and I want to extract the audio files directly without transcoding further. All the mp4 files have aac audio files. I understand I can use the following command to extract ...
0
votes
0answers
35 views

How to demux an mp4 file [duplicate]

Possible Duplicate: How can I extract audio track from video file? I have an mp4 file, and I want to separate the video and audio to separate files. I know the audio file in the mp4 file ...
0
votes
2answers
2k views

Record my desktop in mp4 format

How do I record my desktop interaction (video) and audio directly in MP4 format? I have Ubuntu 10.04 LTS.
4
votes
2answers
1k views

How to check how long a video (mp4) is using the shell?

I need to ftp upload all the mp4 files in a directory with length > 4 minutes using the shell. I can't find any script to check how long a video is. Does anybody have any idea how to do that? Thank ...
0
votes
1answer
468 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 ...
1
vote
1answer
564 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
272 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.
0
votes
4answers
4k views

Unable to play .mp4 files (videos)

I am running Ubuntu 12.04, and have installed all restricted packages and 354 MB of available updates. However, I still am not able to play video's. Is it because of low Memory (RAM)? My Computer ...
6
votes
2answers
5k views

What tools can I use to a text overlay to a video?

I have an MP4 that I uploaded from my Android to my Ubuntu workstation for editing. What tools can I use on Ubuntu to fade in and out professional-looking text?
13
votes
8answers
46k views

How do I convert an MP4 to an MP3? [duplicate]

I have some songs which are in mp4 format and I want to convert them into mp3 format. I am new to Ubuntu/Linux. So please explain the step by step process or give any software which can do the above ...
0
votes
1answer
682 views

Movies lag in full screen, although flash works fine

I have an Alienware m11x R2 computer running Ubuntu 12.04 (64 bit) with Nvidia drivers and Bumblebee for Optimus technology. The problem that I have is that if I play a video in full screen it lags, ...
2
votes
4answers
38k views

Convert mkv to mp4 with ffmpeg

When I try converting mkv to mp4 using ffmpeg, the following error occurs: version 0.8.3-4:0.8.3-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers built on Jun 12 2012 16:52:09 with ...
2
votes
1answer
728 views

Some videos have no thumbnail?

I just downloaded a video series and opened the videos folder to find that some of the videos have thumbnails and some do not. How can I force the others to generate thumbnails? I have tried playing ...
0
votes
2answers
3k views

How do I reduce the screen and file size of a recorded video, plus convert to FLV?

I have used gtk-recordMyDesktop to make a video as an OGV file using the default settings. I need to do 3 things: How can I reduce the screen resolution (height and width) so that it can fit into a ...
0
votes
1answer
264 views

How do i enable hinting for streaming in mp4 files?

I have used MP4Box in the past to enable hinting on mp4 files in the past but it looks like its no longer in the repositories. Is there anything else that can be used or do i need to compile from ...
4
votes
1answer
6k views

Movie Player won't play MP4, gxine does

I've recently installed Ubuntu 12.04. I have installed ubuntu-restricted-extras and ubuntu-restricted-addons, gstreamer0.10-ffmpeg, libdvdread4, libdvdcss2, run the .sh script, and I don't remember ...
4
votes
2answers
6k views

How to convert an mpeg2 to a streamable or fragmented mp4?

I am trying to convert mythtv recorded mpg (mpeg2) files into streamable mp4 files. Converting to an mp4 is simple, however, the entire file must be converted first before it is usable. Even using ...
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
3k views

split video from mkv, avi, mp4

I've a mkv video file and want to split some important scenes. Is there any tool in ubuntu to split them. I'm looking for GUI tool. any help is appreciated.
3
votes
2answers
12k views

Problems playing MP4 and MP3 files in 12.04 64bit

I'm experiencing the same problems on 2 machines with 12.04 (with beta2 AND yesterday final release); MP4 files don't play in default movie player and mp3 quality and timing seem poor. Installing ...