FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video.

learn more… | top users | synonyms

0
votes
0answers
615 views

ffmpeg concatinate multiple videos in Ubuntu

I am trying to concatinate three videos using ffmpeg I tried this ffmpeg -f concat -i filelist.txt -c copy output.mp4 As described here and it gave me the following error: Non-monotonous DTS in ...
0
votes
3answers
4k views

How to cut audio file with avconv?

I have a hard time trying to figure out how to cut a file with avconv. Here's the command I use: avconv -ss 52:13:49 -t 01:13:52 -i RR119Accessibility.wav RR119Accessibility-2.wav But it doesn't ...
1
vote
1answer
261 views

avconv incorrect length when splitting video

avconv used to work fine for me in 13.10, but now it doesn't. I'm using it in the same way as before, for example: avconv -ss 1971 -t 2216 -i x.mp4 -vcodec copy -acodec copy -metadata track="7" ...
1
vote
1answer
270 views

ffmpeg-video trim from the end of the video

I have some videos of different duration.I want to cut(remove) the last 5 seconds of all videos.Can i use 'ffmpeg' in a loop to trim the videos?please help me.
0
votes
3answers
395 views

mplayer configure Error: libavutil/x86/asm.h header is required for shared FFmpeg

In Ubuntu 14.04,I run ./configure --enable-gui --enable-xvid-lavc --enable-xv --enable-alsa to install mplayer,when it comes to Checking for FFmpeg .... then the error shows up. I cat config.log, the ...
0
votes
1answer
1k views

Building ffmpeg deb package gives fakeroot debian/rules clean gave error exit status 2

I am trying to build my first .deb package (with ffmpeg sources) and I get some errors. Those are my steps that can be reproduced to get this error: git clone git://source.ffmpeg.org/ffmpeg.git ...
8
votes
6answers
63k views

“Unknown option ”--enable-libfaad“ ERROR: libfaac not found” while configuring ffmpeg

I trying to install this following these instructions: sudo apt-get remove ffmpeg x264 libx264-dev sudo apt-get update sudo apt-get install build-essential subversion git-core checkinstall yasm ...
4
votes
1answer
2k views

Convert .mp4 to .ogg keeping only the audio, with Ubuntu 14.04 and avconv

How to convert a .mp4 file (downloaded from YouTube) to .ogg? (keeping only the audio) When Ubuntu had ffmpeg I could just do ffmpeg -i file.mp4 -acodec vorbis file.ogg Now we have to do without ...
0
votes
1answer
70 views

Remove source code directories after compiling ffmpeg?

I've just finished compiling ffmpeg. The code was downloaded into ~/src, then configured it, ran make, and then checkinstall. It seems to be working good. Now that all that is done, is it now safe to ...
0
votes
0answers
78 views

install IPD Toolbox in scilab 5.5 in ubuntu 14.4

How to install IPD Toolbox in scilab 5.5 in ubuntu 14.4 How to install ffmeg in ubuntu 14.4
2
votes
1answer
5k views

capturing video from webcam and saving to a file

I am trying to capture video(alongwith audio) from a webcam. I need to record the video and save it to a file,for further processing. Would like to do it through CLI. Any ideas how to do it using ...
1
vote
0answers
391 views

how to stream webcam usinng ffmpeg [closed]

Im trying to stream a webcam on my server. I followed this tutorial, but http://www.area536.com/projects/streaming-video/ I get this long terminal output, which ends by saying [http @ 0x9c982a0] ...
0
votes
0answers
32 views

I can not get software updates for 14.04

I can not get software updates for 14.04 because it says that I need to check my internet connection. The solution already listed is to complicated when I run it on terminal. Can someone post any even ...
0
votes
1answer
84 views

My bash script depends on ffmpeg which was removed when I upgraded to 14.04. What to do? [duplicate]

I have a bash script to capture images using the webcam and it depended on ffmpeg. I recently upgraded from 13.10 to 14.04 and noticed that ffmpeg was removed and this script wouldn't work anymore. ...
0
votes
1answer
245 views

Trying to merge .avi videos with mendcoder

I started by using the suggestions found at this link: How to join video files from terminal? It worked for the first 6 times that I tried to merge a group of small .avi files into one larger file. ...
1
vote
1answer
201 views

I uninstalled Chromium. Why still extra ffmpeg codecs for the chromium browser in ubuntu update?

Chromium kept crashing on the gmail webpage (aw snap) and I have uninstalled it and installed goggle chrome. In software updater, I see "extra ffmpeg codecs for the chromium browser" is this for ...
3
votes
4answers
16k views

How do I add and/or keep subtitles when converting video?

I have a mkv video I want to convert to mp4, but every which way I try and convert it (Handbrake, WinFF, ffmpeg, mencoder,...I lose the video's subtitles. How can I convert the video,keeping the ...
0
votes
1answer
527 views

Can not install Mobile Media Convert on Ubuntu 14.04

After installling 14.04, I have tried several .deb versions of Mobile Media Converter but all have unmet dependencies. like this: $ sudo dpkg -i mmc_1.7.4_amd64.deb Selecting previously unselected ...
1
vote
1answer
1k views

ffmpeg installation, kubuntu utopic unicorn

I haven't found any utopic unicorn ffmeg repositories, so I am trying to install it from https://launchpad.net/~jon-severinsson/+archive/ffmpeg by changing version from utopic to trusty in ...
0
votes
0answers
33 views

what does ~/<directoryname> do? [duplicate]

I had to use ~/ffmpeg_sources while installing. When I used it, it navigates me to the ffmpeg_sources directory. What does ~/ actually do?
0
votes
1answer
445 views

problem in installing ffmpeg in ubuntu 14.04

I try to install ffmpeg in unbutu according to https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu I create a shell file with below code sudo apt-get update sudo apt-get -y install autoconf ...
6
votes
3answers
16k views
0
votes
0answers
646 views

How to change subtitle color and other options in mencoder command line tool?

I want to burn a subtitle file with .srt format in Persian (-utf8) into a video file with .mp4 format using mencoder. This command works for simple task: sudo mencoder input.mp4 -sub subtitle.srt ...
0
votes
2answers
862 views

FFmpeg, error hardcoding subtitles

I'm trying to use ffmpeg to hardcode subtitles, but it gives this error: No such filter: 'subtitles' Error opening filters! My ffmpeg command and complete console output: $ ffmpeg -i ...
0
votes
1answer
326 views

How do I stream computer audio only with ffmpeg?

I am using this script: http://www.thegameengine.org/miscellaneous/streaming-twitch-tv-ubuntu/ to stream to Twitch. It works but I don't want to stream my microphone, only the computer audio. How ...
1
vote
1answer
538 views

Problem with m4a files

Rhythmbox, vlc and totem instantly crash when opening a m4a file. When I run rhythmbox -d and play a m4a file, I receive this message: (rhythmbox:9023): GStreamer-CRITICAL **: ...
3
votes
3answers
2k views

Run command for every file in directory

I'm converting all of my video files to WebM, to greatly reduce the amount of hard disk space being used. To do this I use the program "ffmpeg" which requires an input and output file specified. Since ...
0
votes
0answers
270 views

How to replace libav with FFMPEG on pcduino borad (ARM)?

Hi I am currently working with a pcduino board. I was trying to run ffmpeg but realized that I had install avserver instead. So I looked at this link How to replace avconv with (the real) ffmpeg and ...
1
vote
2answers
3k views

bash: ./configure: No such file or directory while installing FFMPEG

I am trying to install FFMPEG in Ubuntu 14.04. I got help to install FFMPEG installation In meanwhile I got an error `bash: ./configure: No such file or directory` I am getting this error when I ...
0
votes
0answers
975 views

ffmpeg on concat show error “The encoder 'aac' is experimental but experimental codecs are not enabled, add '-strict -2' if you want to use it.”

I have installed ffmpeg on my test server ubuntu14.04 64bit. The ffmpeg version I have 1.2.6-7:1.2.6-1~trusty1 . When I try to concat the videos and output it as mp4, i got this error "The encoder ...
4
votes
1answer
5k views

How to do I convert an webm (video) to a (animated) gif on the command line?

I suppose ffmpeg is the weapon of choice but I didn't find out how to reach my goal.
0
votes
1answer
146 views

Error when installing clipgrab on Trusty

I wanted to install clipgrab on Trusty, but get the following error when running sudo apt-get install clipgrab (I added the PPA and ran apt-get update): Reading package lists... Done Building ...
0
votes
0answers
35 views

Setting & Saving bookmarks on a video timeline

I have used openshot or better still flowblade in order to trim my videos say to get rid of advertisements but perhaps back in Windows era I was too fond of Solveigmm Video Splitter that I found any ...
0
votes
0answers
144 views

Delay while recording the video using epiphan vga2usb frame grabber

Hi this is my first question on this portal. I am using epiphan vga2usb frame grabber for capturing output from virtually any VGA source—such as a Windows PC, a Mac OSX, a Unix machine. I also used ...
2
votes
1answer
1k views

How to install ffmpeg on Ubuntu 14.04 (32-bit)? [duplicate]

When I try: sudo apt-get install ffmpeg I get: Reading package lists... Done Building dependency tree Reading state information... Done Package ffmpeg is not available, but is referred to ...
0
votes
0answers
31 views

Installed a software from source code, how to uninstall it? [duplicate]

Recently I've been doing some reading on FFmpeg, and so I was told that FFmpeg served by the Ubuntu official repository is outdated. I followed the official FFmpeg installation guide, and managed to ...
15
votes
2answers
46k views

use ffmpeg to transform mp4 to same high-quality avi file?

I would like to use ffmpeg to transform an mp4 video file into avi but with the same quality, even if it takes up more space. If I simply do: ffmpeg -i file.mp4 file.mp4.avi The resulting avi file ...
0
votes
1answer
231 views

Record screen at bootup using ffmpeg in 5 minute segments (12.04)

So I've played around with this quite a bit but at this point I've managed to hit a wall in figuring the next step. I have this script that works from an ssh tunnel to record display :0.0 ...
0
votes
2answers
743 views

Winff exits with “Unrecognized option” error

I installed ffmpeg completely from this Guide. I installed Winff in Ubuntu but when I want to try convert I face to this error: ffmpeg version git-2013-11-15-995f450 Copyright (c) 2000-2013 the ...
0
votes
1answer
403 views

avconv slideshow from images - first image appears for split second

I am currently using the following command to generate a slideshow from all jpg's in the current directory: avconv -r 1/5 -f image2 -i %03d.jpg -r 25 -c:v mpeg2video output.mpg The command almost ...
3
votes
3answers
670 views

Is there a build of Audacity for Ubuntu that can use a local version of FFMpeg?

Audacity builds on Ubuntu no longer support FFMpeg because of the libav foolishness. Is there maybe a PPA or something with a build of Audacity that supports using a local build of FFMpeg? I could ...
1
vote
0answers
332 views

avconv pipe to v4l2loopback device

I use v4l2loopback module to create two video device. My intention is to pipe output from primary video device to these two virtual devices. I can do that using ffmpeg: ffmpeg -f video4linux2 -s ...
0
votes
2answers
5k views

How may I burn srt subtitles to video with avconv?

System : Xubuntu 13.04 x64 I've found usage of this functionality in ffmpeg here ffmpeg -i video.avi -vf subtitles=subtitle.srt out.avi but it doesn't work. I get an error No such filter: ...
5
votes
3answers
22k views

How can I convert a 1080p wmv video to a 720p video?

I have a 1080p wmv video that I'd like to convert to a lower quality (preferably 720p) video. I would like to keep the audio intact. How can I accomplish this in Ubuntu?
2
votes
1answer
3k views

php5-ffmpeg not available in 14.04's repos, what now?

I know that from now on, Unbuntu only supports libav instead of ffmpeg. But as for ffmpeg-php, I am not aware of any similar tool. So how developers are supposed to do? Is there any option beside ...
2
votes
1answer
324 views

avconv assert error mpah.frame_size when trying to convert WAV to MP3 under 14.04 [closed]

My objective is to convert a WAV file to MP3 on 14.04 (64-bit). The wav file is "Signed 16 bit Little Endian, Rate 16000 Hz, Mono" and is known to good. It plays fine with aplay, also converts ...
2
votes
1answer
171 views

How to change the volume of left channel using pulseaudio

I am recording the video using logitech camera and bluetooth microphone. Logitech can used for recording both audio and video. When I turn on bluetooth microphone in the middle of recording, it is ...
0
votes
1answer
2k views

FFMpeg permission denied error

I installed ffmpeg into /root/bin I followed this guide: https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu I now want a non admin to access it. I created a symbolic link in /usr/local/bin now if ...
0
votes
1answer
443 views

Installing xvst on ubuntu 14.04? ffmpeg missing

I'm trying to install xvst: http://xviservicethief.sourceforge.net on my ubuntu 14.04 64bits I have tried adding the repositories as described over here: ...
0
votes
2answers
7k views

How to compile FFmpeg with x265 support?

Today I found out that x265 is already present in ffmpeg so I compiled ffmpeg with this guide Sadly libx265 did not work on ubuntu, however on windows I tried the same thing with zeranoe ffmpeg ...