FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video.
0
votes
0answers
8 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
0answers
11 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
...
1
vote
0answers
17 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 ...
0
votes
0answers
31 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
...
0
votes
1answer
58 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 ...
1
vote
2answers
129 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
32 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 ...
1
vote
1answer
31 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 ...
1
vote
2answers
49 views
Convert .mov files to Home theater Compartible MP4
I have bunch of mov files and I want to Play them on my Sony DVD Home theater (XVid/HDMI capable) but I cannot. I have tried different configuration in WinFF (ffmpeg frontend) but does not work. The ...
0
votes
0answers
71 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, ...
0
votes
0answers
27 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 ...
0
votes
0answers
123 views
Im trying to stream multiple flv files using ffmpeg to Red5 server. Please help
So far I have red5 installed, jwplayer is embedded on to webpage, and it can receive a stream without issue (relatively). The command i have been using for the stream is: ffmpeg -i clip1.flv -re ...
2
votes
1answer
97 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 ...
1
vote
0answers
47 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 ...
0
votes
0answers
49 views
ffmpeg recorded sound is slow
I have a problem with audio recording through ffmpeg.
My command is:
ffmpeg -f alsa -i pulse -vn -acodec libmp3lame -ab 256k capture.mp3
I have setup my audio card internal monitor to be used for ...
0
votes
1answer
65 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 ...
2
votes
2answers
600 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
2answers
74 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
492 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 ...
4
votes
2answers
434 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
0answers
60 views
Screencasting with ffmpeg gives washed out colors
I want to screencast and have the video look EXACTLY as I see it from the screen. I tried ffmpeg but the colors get washed out. I have also tried all the GUI programs like Istanbul, Kazam, ...
1
vote
1answer
1k 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 ...
1
vote
2answers
394 views
How to convert a video from mp4/flv to mpeg/mpg
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
3
votes
1answer
88 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
322 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 ...
0
votes
1answer
42 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?
0
votes
0answers
56 views
ffmpeg encoding 1 image and 1 audio for YouTube
I'm testing ascript out on a default install of 12.10 with ubuntu-restricted-extras installed inside VirtualBox.
There are two files, audio.wav and image.jpg.
The command is:
ffmpeg -i image.jpg -i ...
1
vote
0answers
46 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
100 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
0answers
38 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 ...
1
vote
3answers
130 views
Bash script generating image from video with specific title in subdirs
I have the following bash script generating a jpg file with the same name of the video file. Now I need to change the bash script to generate the jpg file with the name image.jpg instead of with the ...
2
votes
2answers
97 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 ...
0
votes
0answers
35 views
ffplay multithreaded?
I understand how ffplay works and opens a browser and plays the video. Now my question is: is there a code to open that browser twice? The thread function in ffplay does not work because i don't see a ...
0
votes
0answers
174 views
FFServer stream and save to file
I'm looking for a way to have FFserver automatically save the current stream to a file locally. I have a server setup with Ubuntu 12 that has FFserver on it, we stream to it from our classroom using ...
2
votes
1answer
174 views
Video Conversion using libav with libopus
i need to convert my video files with VP8 / Opus in Matroska(mkv) container using avconv in terminal
Can anyone give example usage of it?
0
votes
2answers
1k 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 ...
1
vote
0answers
754 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 ...
1
vote
0answers
114 views
Why can't I install codec for ffmpeg?
When I run
sudo apt-get install libavcodec-extra-53
I get
The following packages have unmet dependencies:
libavcodec-extra-53 : Depends: libfaac0 but it is not installable
0
votes
1answer
60 views
Force ./configure NOT to look in /usr/lib /usr/bin /usr/include
I want to compile FFmpeg but as you know its compile will (by default) look in the system's 'lib include bin' directories before following my orders set via --extra-cflags or --extra-ldflags Now the ...
0
votes
1answer
81 views
Best is the best format to store videos? [closed]
I download and import videos from various website and devices. I also view them on various devices requiring different formats.
I want to convert my videos into a single base format, then convert ...
1
vote
1answer
33 views
Is it ok to have 2 screen recorders running at the same time?
Ok I always have issues recording my desktop with kazam or gtk-recordmydesktop so now I'm very paranoid so is it ok to have ffmpeg running with kazam at the same time? will there be conflicts? thanks
0
votes
0answers
53 views
Video Stream From series of Image
I am capturing image of current desktop via Xshmgetimage, now it want them sent to another computer, to look just like live video streaming. Anyone have idea how I can do that ?
Somewhere I read:
...
0
votes
0answers
26 views
iPhone scrobbling works only with audio rate 22050
I went through troubles to get work scrobbling for mp3 files synced from pc to my 3G iphone through the gtkpod. I finally found out that the tracks scrobbling works only with audio rate 22050. ...
0
votes
1answer
198 views
FFmpeg multi pass encoding
Sorry, I am really new to this, and have problems doing some tasks without help.
So I have a terminal command:
ffmpeg \
-y \
-i '/media/levan/BEEA60D8EA608E89/Downloads/Videos/Tony Braxton - ...
1
vote
1answer
399 views
Cannot use ffmepg on Clipgrab Ubuntu 12.10
I have Clipbgrab on my Ubuntu 12.10, but when I download on mp3 mode it doesnt convert the video on mp3 file. Do you know how can I upgrade to a new version to use it?
3
votes
1answer
738 views
how can I batch extract audio from mp4 files with ffmpeg without decompression (automatic audio codec detection)?
I have 228 mp4 files (2.6GB) and would like to extract audio from them (mp3 or ogg). I want to batch extract them - preferably with bash. I'm not sure if all files use the same audio codec as they ...
1
vote
3answers
2k 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
0answers
73 views
ffmpeg doesn't find presets when connecting through ssh
I use ffmpeg to create videos from some png images.
When I work locally on my computer everything works fine,
but when I connect to it through ssh I get an error saying that ffmpeg can not
find the ...
0
votes
0answers
191 views
how do i configure libav-tools
im getting a lot of error messeages for not having configured the libav-tool and ffmpeg and winff, how can i do this?
im on a dual boot win7-ubuntu 12.10 grub2 i had this trouble for a couple of ...
3
votes
0answers
688 views
How to stream a local video file over Internet using avconv/avserver?
As FFmpeg is going to be dropped from Ubuntu, it will be important to know how to broadcast videos over Intrnet using avconv. An official guide is available, but it doesn't give much information how ...


