Questions relating to the mp4 multimedia file format

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1
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0answers
38 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
votes
1answer
47 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
1
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2answers
3k 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 ...
-4
votes
1answer
52 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 ...
11
votes
4answers
12k views

Batch extract audio with avconv without transcoding

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
20 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 ...
3
votes
5answers
7k 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 ...
4
votes
5answers
40k 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
2
votes
1answer
296 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 ...
4
votes
1answer
9k 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
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.
3
votes
4answers
55k 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 ...
0
votes
2answers
62 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
21 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
2
votes
2answers
663 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 -c:v ...
-2
votes
1answer
2k 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?
1
vote
0answers
95 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, ...
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.
0
votes
1answer
267 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
55 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
0answers
126 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!
6
votes
4answers
754 views

What options exist for viewing mp4 tags in list view? [duplicate]

I have several mp4 videos. When using Windows7 Explorer I can create a details view (or list view) of the mp4 tag information on these videos, which makes it easy to organize them by genre, title, ...
44
votes
6answers
86k views

How to convert .mkv file into .mp4 file losslessly?

I need to convert a video file from Matroska container into mp4 container. Matroska file contains one h.264 video track and one AC3 sound track. It should be possible to do this losslessly, but how to ...
1
vote
1answer
553 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 ...
1
vote
1answer
7k 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 ...
3
votes
2answers
2k views

SMPlayer not playing MP4 format

I am trying to run some MP4 videos on SMplayer , but the player is only playing the audio, and no video is visible. The same file I open in VLC player is showing video + audio. I like SMPlayer, as its ...
-1
votes
1answer
235 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 ...
2
votes
1answer
910 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
3answers
4k views

How to convert rmvb to mp4? (or, why ffmpeg doesn't work?)

I'm trying to use this script to convert an rmvb video to mp4, but I'm having problems with the ffmpeg. In apt-get there's only ffmpeg0 and ffmpeg-dev, I installed both, but the script doesn't work, ...
0
votes
3answers
4k 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
2answers
5k 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.
1
vote
0answers
186 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
82 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 ...
0
votes
0answers
48 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 ...
1
vote
0answers
23 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
3k views

VLC player wont play AVI or MP4 [duplicate]

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 ...
0
votes
1answer
3k 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
4answers
3k views

How to convert .avi video to .mp4(for Motorola Milestone, Android 2.3.4) with Avidemux

I open .avi video with Avidemux and I set Video format to MPEG-4 AVC(under Configure, Bitrate tab I choose "Single Pass - Bitrate (Average)" and Target bitrate to 256 kb/s, under Filters I choose ...
0
votes
1answer
3k 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
2answers
14k 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
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
45 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.
10
votes
2answers
25k 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
1answer
553 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 ...
23
votes
8answers
78k 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 ...
5
votes
3answers
8k 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 ...
0
votes
1answer
1k 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
555 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
514 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 ...
0
votes
1answer
641 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 ...