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

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2answers
4k views

how to format the ffmpeg command to record sound from my webcam

Using ffmpeg arecord -L, I am able to identify my Logitech usb webcam as: hw:CARD=U0x46d0x821,DEV=0 USB Device 0x46d:0x821, USB Audio Direct hardware device without any conversions ...
2
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1answer
494 views

Is there a way to convert cached webex files to some other format?

How can I convert webex files in the temp cache to generally usable media formats?
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2answers
1k views

How to install old version of ffmpeg?

I'm having trouble with the current release of ffmpeg, it transcodes .mp3 to .wavs in a format that is unsupported by my client. How can install this version? ffmpeg version ...
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1answer
4k views

AVConv X11Grab Issues: Unable to find a suitable output format for 'pulse'

I am running Ubuntu 12.04 LTS 64-Bit, and I am attempting to use avconv to record the primary display connected to my computer (resolution of 1920x1080) using x11grab at 30 frames per second, along ...
2
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1answer
655 views

Rhythmbox import error in 12.04

Rhythmbox is not able to install the MPEG-4 plugin when I import mp4 files into it. It identifies the plugin(Gstreamer), but fails to install it citing package dependency errors as following: The ...
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2answers
2k views

Why is my Lame install failing?

I want to install ffmpeg with mp3lame enabled following this tutorial. In step 2 an error was reported on libfaac not found, and in step 5 installing lame throwing this error. Why is this failing, and ...
0
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4answers
686 views

How to escape this in the bash script?

I'm trying to complete a batch of 3 videos to leave it there till morning processing but it seems there are special characters in it... I try it "raw" in the terminal and it works but in bash script ...
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2answers
480 views

FFmpeg converting to flv but with 0 file size

I'm having problems regarding conversion of video to flv format. Below is my command for conversion, but it seems to convert the video to flv but the file size remains 0 KB, what could be the problem, ...
2
votes
1answer
224 views

FFMPEG not extracting part of the video

I used FFMPEG to extract portion (5 seconds) of a video like this: ffmpeg -ss 00:30:00 -t 00:00:05 -i original.avi cut1.avi and also like this: ffmpeg -ss 1800 -t 5 -i original.avi cut1.avi But ...
0
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1answer
730 views

Conflict between ffmpeg and mplayer

I have been dealing with this issue for a long time now. I compiled a patched version of ffmpeg offered by this company. The problem arises whenever I install mplayer via apt-get. Before the ...
3
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2answers
1k views

Python/FFMPEG command line issues [closed]

I have a problem with running an FFMPEG command from within a Python script. When I run the following command from the terminal, I can stream video and audio from my attached webcam (Logitech C310) ...
0
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2answers
563 views

Bad quality video DVB-T MPEG4 after a few minutes

I have a problem with mythfrontend in Oneiric installed from Mythbuntu. I cannot watch TV after few minutes because of lots of artifacts. I have a Hauppauge 1300 DVB-T tuner and MPEG-4 compression is ...
0
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0answers
72 views

trying to use ffmpeg filters to seperate the I-frames from a video [duplicate]

Possible Duplicate: How do I use ffmpeg's “-vf” / “-vfilters” option without recompiling ffmpeg myself? I am trying to use the "select" option in the video ...
0
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1answer
182 views

Use Totem's decoder to re-encode video?

I recorded an OGV screencast in GTK-RecordMyDesktop that seems to play back differently in different players (and YouTube doesn't seem to understand the video stream at all -- it just displays a ...
1
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0answers
977 views

“Error while opening encoder” problem with ffmpeg [closed]

Since a few days I am trying to get FFMPEG working in relation with FFSERVER. I would like to stream a live video source from /dev/video0 to the FFSERVER. I have to tell you, in Ubuntu 10.4.3 it was ...
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2answers
147 views

How to convert Windows/Mac operating systems created, MPG file to Linux compatible file?

I have one file Film.MPG. Which is 720P and 50 frames per second. When i play the file using gst-launch playbin uri=file:///tmp/final.mpg it does not work. But it works with Mplayer/VLC. I noticed ...
3
votes
1answer
377 views

Difference between Medibuntu end Multiverse repository?

What are the differences of the Packages: libavcodec-extra-52, libavformat-extra-52, libavdevice-extra-52, libswscale-extra-0 in the Medibuntu and Multiverse repository?
1
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1answer
229 views

Pros and Cons of different audio transcoders

I've been experimenting with different audio transcoders like ffmpeg, mplayer and LAME. Does anyone have a qualitative comparison between the different audio transcoders that can be accessed through ...
10
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2answers
900 views

Can a server handle simultaneous shell commands?

I'm writing a very simple browser based MP3 player in PHP. Part of this project requires that every MP3 file is converted to a WAV file. There's a function in PHP called shell_exec that allows you to ...
6
votes
1answer
6k views

How can I get ffserver to work?

I have a mp4 file which I wish to compress, resize and stream via RTSP. My ffserver.conf file looks like this: Port 9091 RTSPPort 5454 BindAddress 0.0.0.0 MaxHTTPConnections 2000 MaxClients 1000 ...
1
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1answer
872 views

Authoring a DVD into an image file, from command line

I would like to convert a whatever-type video file into an ISO image I could then burn to a DVD (on another computer) - so that the final disc is playable on a regular DVD player. I already have ...
1
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1answer
1k views

Error while compiling ffmpeg during make

I want to install ffmpeg on ubuntu. and following this article http://pasindudps.blogspot.com/2010/12/compiling-ffmpeg-in-ubuntu-1010.html but when m doing make after config Then go to the ffmpeg ...
3
votes
1answer
476 views

How to automatically graph the output of a shell function

I do a lot of video editing and processing, and spend a lot of time looking at the output of command line programs like ffmpeg. Ffmpeg produces a regular output of the form frame=1234 fps=80 q=-1.0 ...
3
votes
1answer
904 views

FFmpeg or GStreamer for command line conversion of audio files?

I think I'm mixing up and I need some one to clarify things for me! What is the differences between GStreamer and FFmpeg. What I need is a command line to convert file(s) from one format to another. ...
0
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1answer
3k views

WARNING: library configuration mismatch when running ffmpeg

well, just typing ffmpeg on command line gives me lots of spam. I'm perfectly comfortable with that till it does not break my files, but... Is there any way to troubleshoot/fix that? $ ffmpeg FFmpeg ...
3
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0answers
1k views

FFmpeg not recording audio during screen capture [closed]

I'm using the script below to run FFmpeg on Ubuntu 10.10. I followed these instructions to install FFmpeg & x264. While ffmpeg does capture the screen it does not capture the mic audio. I've ...
5
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3answers
8k views

Add an audio file to and mkv video

I'm quite new to multimedia things, I'm trying to find a way to make nice screencasts, I've already been able to capture my desktop with ffmpeg: $ ffmpeg -f alsa -ac 2 -i hw:0,0 -f x11grab -r 30 -s ...
3
votes
1answer
871 views

ProRes encoding and decoding?

Is there a way to encode/decode prores mov files (mostly decode)? I've been playing around with ffmpeg and mencoder/mplayer from the ubuntu repos, but they both report that it's an unknown codec. ...
2
votes
1answer
2k views

How to make videos seekable with ffmpeg / mencoder

I'm using mencoder and ffmpeg to make videos with music playing over a single image. The videos play fine but I can't seek at all. I've tried generating them with -idx and even -forceidx and keyint ...