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

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0
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1answer
13 views

HD recording via logitech c930e webcam

I want to record an Hd video stream via this webcam (hopefully using a script) to capture simultaneously with a screen recording into one container. (you can see the pipeline code I've used before, ...
-1
votes
0answers
20 views

getnameinfo() API call failing on Google Nexus 10 [on hold]

I am using my own Android app to play RTP streams which uses ffmpeg as shared liberary. My video player is working fine on most of the Android tablets. But it is not able to play RTP streams on Google ...
0
votes
0answers
7 views

Inotifywait is moving multiple ffmpeg segments instead of one at a time

I have come to a dead end looking for a solution on my own and will ask for your help please.... Thanks for all info you may have.... I capture 30 second segments of video and write to a folder in ...
0
votes
0answers
16 views

AAC to AC3 avconv failing on some Files

This excellent thread helped me get a script setup for converting my video files with 5.1 AAC sound to 5.1 AC3. However I'm having issues with some files avconv version 11.2-6:11.2-1, Copyright ...
1
vote
1answer
25 views

FFmpeg use AAC encoder

I am trying to do some video conversion with FFmpeg. I have an mp4 video file (by which I mean, "it has an mp4 extension") that isn't being accepted by the Brasero disk burner, so I'm trying to use ...
0
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0answers
8 views

Is it possible to set up ffmpeg with a MIDI keyboard?

I am starting to experiment with ffmpeg. I set it up for screencasting, but now I am wondering if it would be possible to set it up for audio only. I have a digital piano and a MIDI program. I ...
1
vote
0answers
35 views

Ubuntu 14.04 OpenCV3 ffmpeg or libav dependencies

I need to install OpenCV on Ubuntu 14.04 to work with Python3 but the only version that is compatible is OpenCV3 which is at 3.0 RC1 http://opencv.org/downloads.html Following installation ...
1
vote
1answer
604 views

OpenCV installation

During the installation of OpenCV I get the following error: moslah@moslah-Lenovo-G560:~/Downloads/opencv-2.4.10/build$ cmake ../ -- Detected version of GNU GCC: 48 (408) -- Found OpenEXR: ...
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votes
1answer
43 views

How to control volume in FFMPEG [closed]

Please can anyone explain me how to change/set volume for audio while it is playing. Edit from comment: I am using ffmpeg as a decoder and using it with SDL_MIXER. I have added 'volume' filter and ...
7
votes
2answers
26k views

Fastest way to convert videos (batch or single)?

I know there are a lot of questions about video encoders around here, but my question is more about workflow/efficiency. For my day job, I need to convert videos, frequently, from many random formats ...
1
vote
1answer
54 views

How can I install ffmpeg on Lubuntu 14.04? [duplicate]

It seems that the original ffmpeg has been dropped by Debian for the moment (in favour of the fork libav) but will be back in 15. Some people seem to think ffmpeg is deprecated or stale: it's not, ...
2
votes
3answers
5k views

How to install avconv with libfdk_aac on Ubuntu 14.04?

How to install or compile avconv with libfdk_aac on Ubuntu 14.04 ? I am also ok with comparable aac codecs e.g. http://wiki.hydrogenaud.io/index.php?title=Fraunhofer_FDK_AAC Currently I am trying ...
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.
1
vote
1answer
730 views

Convert flv video to 3gp

I use winff (the GUI for ffmpeg) to convert audio/video to different formats. Yesterday I was trying to convert an flv video to 3gp (so that I could see it on my mobile phone), but it doesn't show the ...
3
votes
4answers
52k 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
0answers
120 views

Video Conversion: H264-MPEG-4 AVC (part 10) (avc1) with Transmageddon for Video Camera

My goal is to transfer videos from my hard drive to my video camera (Kodak Playsport zx3) and be able to play them on my video camera. I don't know to much about video cameras, but I would assume ...
18
votes
2answers
16k views

How to replace avconv with (the real) ffmpeg and have it work right?

UPDATE (original text preserved below) With the real ffmpeg about to return (in 15.04), Jon Severinsson's PPA no longer working (for ffmpeg), and both avconv-ffmpeg (now called "libav") and the real ...
0
votes
2answers
40 views

How to make ffmpeg executable everywhere?

I have installed ffmpeg by following this tutorial: https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu Now, ffmpeg works if i cd to bin and execute like ./ffmpeg. I wonder if i execute ffmpeg ...
0
votes
0answers
85 views

Installing OpenCV 2.4.10 in Ubuntu 14.10

I'm trying to install the Opencv ruby gem. I learned from http://stackoverflow.com/questions/20833485/not-able-to-install-ruby-opencv-gem that the gem requires the previous release of Opencv. I've ...
6
votes
4answers
6k views

How to use ffmpeg to convert ape to mp3?

I am trying to use ffmpeg on ubuntu 13.10 to convert AP3 to MP3? I installed ffmpeg, but I get this error when I use it. Please tell me how can I fix it? $ ffmpeg -i CD1_Age_0-3_Baby.ape ...
0
votes
0answers
38 views

MPG files no longer play (14.04LTS)

Please help! Today I was trying to edit some home video with KDENLive and when I'd try to preview my videos, they'd play for about a second then lock up the program. In troubleshooting, I ...
158
votes
7answers
202k views

Is FFmpeg missing from the official repositories in 14.04?

I tried to install ffmpeg in trusty/Ubuntu 14.04 and got the following message: $sudo apt-get install ffmpeg Reading package lists... Done Building dependency tree Reading state ...
0
votes
1answer
43 views

What is 0 and 0 in hw:0,0 mean? and how can I get those value?

I'm trying to do screencast and record application sound too with ffmpeg. But, I can't get the application sound recorded. I think there's something wrong with my command. What I'm doing is like this: ...
0
votes
0answers
65 views

avconv throws error: Invalid pixel format string '-1'

Works on windows. This AVI was created by python OpenCV from the webcam. It plays fine in totem. I need to make it a smaller file size by video compression Running the following command fails in a ...
0
votes
2answers
131 views

How to install ffmpeg on ubuntu? [duplicate]

For transcoding video I need to use ffmpeg. I have tried to install but I have faced with problems. Is anyone that can help with this case or can anyone offer any weblink or guide where I can follow ...
1
vote
1answer
4k views

Install ffmpeg in Ubuntu 12.04 LTS

Background : I used ffmpeg to merge two videos side by side. First I install ffmpeg by following command as it suggest by Ubuntu itself. sudo apt-get install libav-tools or sudo apt-get install ...
0
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0answers
270 views

How to install and/or run Universal Media Server on Ubuntu 14.04?

I have installed UMS onto my Ubuntu box according to the manual here. All commands worked fine except two: 1) I was unable to install ffmpeg package which is absent in this version of Ubuntu. I have ...
1
vote
2answers
68 views

.sh ffmpeg works manually, not with CRON

I make a movie from jpeg pictures with the script: #create movie ffmpeg -i /home/philippe/Dropbox/Public/Cheiron/day/%d.jpg -r 25 -q:a 5 -pix_fmt yuv420p ...
0
votes
1answer
328 views

Cannot install last version of OpenCV on Ubuntu 14.10

I try to install opencv using the instructions from here but I get every time the error Linking CXX shared library ../../lib/libopencv_videoio.so /usr/bin/ld: /usr/local/lib/libavcodec.a(avpacket.o): ...
3
votes
0answers
319 views

mpd crashes on database update

Mpd (latest version from repositories, Ubuntu 14.10) crashes when refreshing the database. At first it crashed on every m4a file, even with the necessary libraries (libmad0) installed and up to date. ...
0
votes
0answers
38 views

Convert a video to a fixed screen size by cropping and resizing

I've tried to figure this out myself, but the myriad of options just baffles me. I want to use ideally either ffmpeg or mencoder (or something else, but those two I know I have working) to convert ...
0
votes
0answers
67 views

Universal Media Server not playing Videos in Ubuntu 14.10

I just got universal media server to run in Ubuntu 14.10, they took mencoder and ffmpeg out of the repos so I had to go find them and now it runs but when I try to play a movie on my ps3, it takes a ...
0
votes
2answers
58 views

How can I satisfy Audacity asking for libavformat.so.53, while Ubuntu 14.04 has libavformat.so.54?

I am using Audacity 2.0.5. I have been trying to edit video files. I know that Audacity is an audio DAW, but I recently learned that it was possible to import a file through ffmpeg and seperate the ...
9
votes
2answers
13k 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 ...
0
votes
0answers
41 views

Is there a GUI for FFMPEG screen casting?

FFMPEG is a very powerful tool to screen cast or to convert, I did't find any GUI to use screen cast features only conversion like Winff
0
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0answers
304 views

FFmpeg rc buffer underflow

I have a problem with running ffmpeg+ffserver on my old laptop which has 1.7 Pentium 4 Single Core CPU. FFmpeg causing high CPU usage up-to 100% while running it produces "rc buffer underflow" error ...
2
votes
1answer
3k views

Deshaking videos using script

How can I deshake my video? I try to use transcode? transcode -J stabilize --mplayer_probe -i "input.MTS" But it causes a segfault. Trying to use ffmpeg filters: ffmpeg -i "input.MTS" -vf ...
0
votes
0answers
63 views

ffmpeg not recognized

I am having a problem with ffmpeg. I had it installed and then installed 14.10. I reinstalled it, but I am getting this error message. Also, I went to this website ...
1
vote
4answers
520 views

ffmpeg since update to 14.04

Ever since I updated to 14.04 (from 13.10), each time I launch the Software Updater, it shows on the list of updates "ffmpeg derived postprocessing library". Yet, it also says on the same window about ...
0
votes
1answer
379 views

At least one output file must be specified ffmpeg

ffmpeg -i oceans.mov -an -c:v libx264 -r 24 -preset fast \ -profile:v baseline -g 64 -keyint_min 64 -b:v:0 230k -maxrate 250k -s:v:0 304x128 \ -x264opts pic-struct:no-scenecut -movflags ...
1
vote
0answers
200 views

Error Message in Arista Transcoder, how to install ffdeinterlace plugin?

I keep getting this error message when I want to transcode a dvd into say an avi file format. This is the error message I get: "Required plugin could not be found" "Python (v2.7) requires to ...
0
votes
0answers
66 views

Aleph One compilation error

Whenever I try to compile AlephOne from source (as that's the only way to do it), I come across this error: SDL_ffmpeg.c:1304:54: error: ‘struct AVStream’ has no member named ‘r_frame_rate’ ...
0
votes
1answer
123 views

WMV files not playing anymore with VLC nor with Video application in 14.04

For an unknown reason, my WMV files are not played with VLC nor with Video application. VLC or Video application start but disappear instantly. All those WMV files were readable PERFECTLY via VLC ...
1
vote
4answers
3k views

How to convert flv to mp3 on ubuntu 14 without ffmpeg

And how to do any convertions in Ubuntu 14 if there is no ffmpeg anymore? When I last use it prev version I had warning to use different tool but I don't remember what it was.
1
vote
0answers
157 views

Avconv doesn't convert .MKV to .MP4 no errors output file 0KB

I understand that this is SIMILAR to questions asked before and using those posts I have actually got the file process going however when it finishes (with out errors mind you) the .mp4 is a 0KB file ...
0
votes
0answers
253 views

Merge multiple webm files using avconv

I have multiple webm files in one location, say as inside video folder. I have ubuntu system. I want to merge all my web.m files in one output.wem file. I have read about ffmpeg, but when I tried ...
0
votes
1answer
92 views

avformat package seems to have outdated headers

I have libavformat56 and libavformat-dev installed on my machine. I'm building some source right now which uses the libavformat.h header. The source (nameply the Pangolin library by Steven Lovegrove) ...
41
votes
6answers
79k 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 ...
0
votes
4answers
3k views

How to use Ffmpeg to convert wma to mp3 recursively, importing from txt file?

I tried different options from forums, but most of them are out of date (ffmpeg tells me about it, like with -sameq option). Im trying to understand the docs, but I can't. I want to know how to ...
1
vote
3answers
165 views

One liner ffmpeg (or other) to get only resolution?

I'm not really well versed in the command line so hopefully this isn't too stupid of a question. If I run: ffmpeg -i videofile.avi I get an output such as this: ffmpeg version ...