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

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3
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1answer
14k 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?
1
vote
0answers
118 views

avconf or winff

My simple question is: What should I do with the hint: * THIS PROGRAM IS DEPRECATED * This program is only provided for compatibility and will be removed in a future release. Please use avconv ...
1
vote
1answer
428 views

FFMPEG -> how to keep the original audio quality during conversion?

'-ab' option is related to audio quality? how to say ffmpeg to keep the original audio quality during conversion?
0
votes
0answers
53 views

Using ffmpeg to stream video to iphone

I can stream a video from ubuntu using ffmpeg to a remote computer and watch the stream using vlc. But how do I stream using ffmpeg to an iPhone?
0
votes
0answers
51 views

How can I forward two streams together in pavucontrol?

I'm trying to capture screen and audio with ffmpeg, and I want to record both microphone and computer output. I can choose from one of it in pavucontrol, but not both in the same time. Any solution?
0
votes
1answer
24 views

how to adjust size of bits for frame?

Am using currently program "Recordmydesktop" - which again uses ffmpeg too - for to record some video of desktop-program. How do I adjust the size in Bytes for the frame ?! - I want to achieve better ...
4
votes
1answer
1k views

How to set duration for avconv?

I'm trying to cut a portion from an mp4 video with avconv, but it doesn't seem to care about the -t param. My command line is avconv -t 10 -i GOPR0001.MP4 cut.MP4 This will process the whole ...
1
vote
1answer
472 views

Audio delays progressively when recording with ffmpeg

I am trying to record screencasts in Ubuntu 12.04, I have a working command, the audio sounds great and the video looks great. I have one issue though, the audio delays as the video goes on. At the ...
1
vote
1answer
2k views

How can I find exact delay in badly synced audio and video streams in a media container?

While making screencasts I always end up with a file having poorly synced audio and video streams. This is not container specific as this happens with all the formats - ogg, mkv, avi, mp4 etc. I guess ...
3
votes
1answer
7k views

Install latest ffmpeg for all users in Debina/Ubuntu

I installed ffmpeg on my Ubuntu using the guide: https://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide It is good and working. I know that guide is for installing ffmpeg for current user. Can ...
5
votes
2answers
4k views

ffmpeg resize “could not find codec parameters”

I'm a newbee to ubuntu and need your help: (32bit ubuntu 12.10) my command: ffmpeg -i ../output_images/particles%04d.png -r 30 -b 30000k final_movie.avi works for my 800x800 *.png pictures ...
0
votes
1answer
132 views

How to configure ffmpeg from some build?

I'd like to ask if there is a option for rebuilding or reconfiguring FFmpeg from any repository. 'Cause i need to add libass, but there's no build with this library and i used ffmpeg from Jon ...
0
votes
0answers
376 views

How to compress a mp4 file with winff command?

I have seveal mp4 files which are over 250MB and want to compress them into smaller size hoply, 1/3 of the original size. I installed winff to do so but I dont know what command I should type in. ...
1
vote
0answers
516 views

ffserver troubleshooting. streaming video from ubuntu server

I have a raring ring-tail server, which I want to stream video from an attached USB webcam. I have followed this guide to install ffmpeg, ffserver, and numerous codecs. ...
1
vote
2answers
695 views

I get an error when trying to convert video

I m trying to convert mp4 video file to avi file with ffmpeg -i 10.mp4 -vcodec mpeg4 -vtag XVID -b 990k -bf 2 -g 300 -s 640x360 -acodec libmp3lame -ab 128k -ar 48000 -ac 2 -pass 2 -f avi 10.avi but ...
0
votes
1answer
3k views

Cannot compile ffmpeg with fdk-aac

I need to compile ffmpeg with libfdk-aac on Ubuntu 13.04. I followed the following instructions to compile libfdk-aac wget http://downloads.sourceforge.net/opencore-amr/fdk-aac-0.1.0.tar.gz tar xzvf ...
0
votes
0answers
101 views

ffplay,SDL, video hardware

hello it is my first post here, I have a problem ffmpeg was working well but suddenly I started getting this error, the server path is well, already tried ffplay -loglevel debug ...
0
votes
0answers
372 views

How to make a screencast in 13.04? [duplicate]

The question explains what is my need. Can we make screencast without using additional software other than ffmpeg? While searching the net, I found a solution. The solution was: ffmpeg -f alsa -i ...
1
vote
2answers
3k views

How can I determine which version of FFMPEG comes by default?

I am honestly confused beyond belief about my package that I have installed for FFMPEG. It is, according to Synaptic, version: 4:0.8.1-1really0u1 For some reason, I feel like this is not the ...
0
votes
1answer
153 views

Can't seem to get script/cron job to work?

ive written a ffmpeg script to mass convert mkv into mp4. when i run the script as my user, and enter my password for sudo privileges it works very well from the command line. the script is: #! ...
0
votes
0answers
65 views

Multiple undefined references using FFMPEG libs

I installed FFMPEG libraries and headers as it is described here . In my C++ application when I compile (gcc) I am getting this : /usr/local/lib/libavcodec.a(libfaac.o): In function ...
0
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0answers
664 views

FFMPEG error : libx264 must be installed and version must be >= 0.118

I am trying to use libx264 decoder with FFMPEG, for which I have installed libx264 library on my ubuntu 12.04 LTS as described on this ...
1
vote
1answer
2k views

avconv how to copy all stream and merge metadata (fix creation date)?

I am trying to fix the metadata of some old videos, so i would like to copy all streams audio video and subtitle and merge the metadata from a txt file. I first dump the metadata with: avconv -i ...
2
votes
2answers
3k views

ffmpeg for 13.04

I have a question how to get ffmpeg with x264 support for ubuntu 13.04 I used to use this ppa https://launchpad.net/~jon-severinsson/+archive/ffmpeg but as far as I understand 13.04 is not supported ...
1
vote
1answer
97 views

ffmpeg / avconv follow_mouse not working?

I'm trying the option -follow_mouse with both ffmpeg and avconv and I can't make it work. avconv version 0.8.6-6:0.8.6-1ubuntu2 tells me: Option follow_mouse not found. ffmpeg version ...
2
votes
1answer
697 views

Error while adding a watermark to mp4 with FFmpeg

I try to watermark an mp4 file with ffmpeg and the following command : ffmpeg -i originalvideo.mp4 -vf « movie=watermark.png [wm];[in][wm] overlay=0:0:1 [out]« watermarkedvideo.mp4 after some ...
15
votes
3answers
21k views

How to download an MP3 track from a YouTube video [duplicate]

Possible Duplicate: How to download a youtube video via terminal There are several Q&A threads that explain how to download youtube videos using the terminal. However, I would also ...
1
vote
1answer
335 views

What (input) types of files can ffmpeg convert and to what (output) files?

I like to use simple commands (added to Thunar custom actions), like ffmpeg -i %f %f.mp3. I can replace mp3 with flac for example - but what other output extensions can be used? Also, in Thunar ...
2
votes
2answers
603 views

How to convert flv file(s) to mp3 from PCManFM's (Open with) context menu?

Opening a terminal in a folder that contains a flv file called "one" (one.flv) and running this command: ffmpeg -i one.flv one.mp3 the flv file is converted to mp3 with the same name and in the same ...
2
votes
0answers
2k views

Xubuntu 12.10 and FFMPEG webcam

Having a problem running ffmpeg to an ffserver in a brand new install of Xubuntu 12.10. I just installed Xubuntu 12.10 from scratch, then installed ffmpeg. I plugged in my webcam (mind you I have ...
0
votes
0answers
312 views

Streaming pre-recorded video as webcam source in 13.04

The source video can be encoded into virtually any format. Let's say it sits in ~/Videos/Test.webm. The end result is simply to stream the video, with sound, directly through a 'fake' video device, ...
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0answers
95 views

Strange blue flashes when using a screen recorder, white flashes when using vlc to record

I use cinnamon currently and whenever I use ffmpeg to record my screen, blue flashes appear when I interact with the cinnamon panel and applets. When I initiate a recording in vlc, similar things ...
1
vote
1answer
1k views

Blu-ray player?

I'd like to play bluray discs in my laptop. I found the official documentation, and there it's explained that one should use mplayer and ffmpeg. Looking at the repositories, there exist two different ...
3
votes
0answers
209 views

5 seconds image intro with ffmpeg [closed]

I have one mp3 song song.mp3 and 2 jpg files 1.jpg 2.jpg Now, I want to make video from mp3 with jpgs as a background, but in a way so that 1.jpg streams for first 5 seconds then 2.jpg till the rest ...
0
votes
3answers
3k 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, ...
1
vote
0answers
125 views

Splitting audio channels using pulseaudio

My mission is record desktop using avconv (ffmpeg) + record microphone input + use sphinx program which also need the same microphone for voice control. Now, the problem is that if I start sphinx ...
9
votes
3answers
11k views

How do I use ffmpeg's “-vf” / “-vfilters” option without recompiling ffmpeg myself?

I have ffmpeg install from apt (version 4:0.5.1-1ubuntu1). I have a video that is up-side-down, so I want to flip it vertically. The ffmpeg documentation says to use the -vf option (which I see was ...
0
votes
1answer
155 views

Convert a bunch of jpegs to a movie

I have a bunch of non-consecutivly numbered jpegs (they are in order, but there are gaps in the sequence) that I want to convert into a movie. When I try using convert, ffmpeg or avconv, it creates ...
0
votes
1answer
4k views

How do I use ffmpeg's -filter_complex

i am using FFmpeg version SVN-r0.5.9-4:0.5.9-0ubuntu0.10.04.3 and it doesn't allow me to use -filter_complex it shows: "ffmpeg: unrecognized option '-filter_complex'" I want to overlay 2 videos, how ...
1
vote
4answers
2k views

video gets corrupt after converting ogv to any format using ffmpeg

I was trying to convert ogv video to avi using ffmpeg. It does convert without any error but the output video seems to be corrupt. Does not matter which format I convert it to, out put is same as ...
1
vote
1answer
7k views

Please give me an FFMPEG tutorial that works on Ubuntu 12.04

ffmpeg does not compile. Every time there is an error no matter what I do. I installed clean 12.04, followed the tutorial on ffmpeg website, but it is still not working. If its not libfdk-aac ...
3
votes
1answer
454 views

Extracting images from video in 1 minute intervals

I would like to extract images from a video Exp01.avi, the video is 25 minutes long. I want the images to be extracted from the video after every 1 minute interval. Please someone tell me how to do ...
1
vote
3answers
3k views

How to convert a raw video using ffmpeg

I have a raw video that has the following properties: 25 FPS UYVY Codec 876 MBit/s AVI Container I want to convert this raw file to another container using ffmpeg. Right now the problem is that ...
1
vote
1answer
87 views

ffmpeg wait before recording desktop

Is it possible to make ffmpeg wait a couple seconds before starting to record? if so how is there another way to start an ffmpeg script besides from the terminal?
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vote
0answers
88 views

Which settings for re-compiling libav-tools?

Which settings is Ubuntu's package libav-tools compiled with? I want to re-compile libav-tools (even better: the whole libav) without adding or removing its features.
2
votes
1answer
561 views

Is it possible to do a lossless conversion from m4v to webm?

I have several m4v files, which I need to convert to webm. I am using ffmpeg for doing so and have used commands such as: ffmpeg -i myfiletoconvert.m4v output.webm The conversion works fine, and ...
0
votes
1answer
58 views

How can I run “Video for everybody” in current ubuntu (i.e. without specially compiling the latest ffmpeg)?

I first asked "How do I convert a video to all formats neccesary for Video For Everybody" on Super User. The answer involved compiling the latest ffmpeg. Later, I asked "How do I strip the ...
1
vote
1answer
1k views

Totem issue with youtube: gstreamer

When trying to play youtube videos in Totem, I get this error: GStreamer encountered a general supporting library error. When starting from the commandline, the actual error is is this: ...
0
votes
0answers
41 views

can't install ffmpeg in ubuntu [duplicate]

Possible Duplicate: How to install software or upgrade from old unsupported release? I tried to install ffmpeg in ubundu.using the command sudo apt-get install ffmpeg But i can't install ...
2
votes
2answers
8k views

ffmeg x264 presets not working

Trying to capture screen to video file encoded with lossless x264: vic@vic-X202E ~/Desktop » ffmpeg -f x11grab -r 15 -s 1366x768 -i :0.0 -sameq -vcodec libx264 -preset:v ultrafast test.mkv ffmpeg ...