`ffmpeg` is a free software project aimed at producing tools (libraries and programs) for handling multimedia data.

learn more… | top users | synonyms

3
votes
1answer
554 views

Can't install 32 bit gstreamer-ffmpeg normally, library can't find other 32 bit libs

I'm on Ubuntu 12.04 64 bits and I'm trying to get a game (GTA SA) working in wine, but it keeps crashing. After reading error logs it seems I needed some 32 bit versions of gstreamer, probably to play ...
2
votes
3answers
2k views

installing ffmpeg-php on centos

With the help of this guide, I am trying to install ffmpeg using these commands: # cd ffmpeg-php/branches/ffmpeg-php/ffmpeg-php-0.6.1/ # replace 'PIX_FMT_RGBA32' 'PIX_FMT_RGB32' -- * # phpize # ...
0
votes
1answer
827 views

prores 444 output using ffmpeg

Instead of prores_ks ( as in image ), I need to get prores444. How is it possible? I tried the following and felt that I am limited to this. Is prores_ks an alternative to prores444? Can you explain ...
6
votes
2answers
1k views

Converting PNG frames to video at 1 FPS

I have video frames in PNG format at 1 FPS and I'm trying to convert them into a video using ffmpeg. If I do something like this: ffmpeg -i data/input-%4d.png data/output.mp4 I get a video at 25FPS ...
1
vote
1answer
14 views

x11grab from another display server

I have ffmpeg with x11grab on my local machine, but I want to capture the screen of an X server on 12.34.56.78. How can I do that? The following doesn't work: ffmpeg -f x11grab -r 25 -s 800x600 -i ...
1
vote
1answer
762 views

Error: File contains parsing errors: file://///etc/yum.repos.d/dag.repo

I read you have to be careful with repo files for security with third party ones added. Anyway I have simply been trying to install ffmpeg and I am stuck because yum doesn't like what it is reading ...
0
votes
1answer
1k views

Trying to compress avi file using ffmpeg

I used the command below to compress an avi file(using ubuntu) ffmpeg -i input.avi -vcodec msmpeg4v2 output.avi but I am getting these errors Incompatible sample format 's16' for codec 'ac3', ...
1
vote
0answers
33 views

How to record vfl webcam with ffmpeg? Cannot find a proper format for codec 'none'

Goal is to capture video from my old usb webcam (device 0733:0430). Trying to save video gives this error. (I've tried both ffmpeg and avconv.) Command ffmpeg -f v4l2 -i /dev/video2 -s 160x120 ...
4
votes
1answer
5k views

How to splice sections of a video with avconv?

I have figured out so far that you can cut a section from a video with avconv with a command like this (cuts from 1:00-3:00): avconv -ss 00:01:00 -i "input.avi" -t 00:02:00 -c:v libx264 -crf 23 ...
1
vote
1answer
24 views

How to add aac and libx264 to FFmpeg installation?

I've already installed FFmpeg according to the ffmpeg Ubuntu compile guide. I can't use aac audio encoding and libx264, which I need. How do I install FFmpeg so that all the option below are enabled ...
1
vote
0answers
175 views

avconv stops streaming after some time

I am using raspberry-pi board and a usb camera attached with it. i use avconv tool to capture live video from camera and streaming it on network using rtp protocol. My command on server(raspberry-pi ...
0
votes
1answer
51 views

FFmpeg - Split video multiple parts

I read the following thread, and the solution works if I want to split a video into pieces every two minutes: Split video file into pieces with ffmpeg The problem is that I want to split a video into ...
0
votes
1answer
766 views

Ffmpeg-php will not compile

FFMPEG: ffmpeg version N-54768-g8d9c1b3-syslint Copyright (c) 2000-2013 the FFmpeg developers built on Jul 16 2013 14:40:49 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-3) configuration: ...
1
vote
1answer
1k views

Ffmpeg problems on centOS 5.8 64 bit

I did install ffmpeg with winff, unsuccessfully when I try converting avi to x264, it says I don't have it. When I try to convert mp4 to Xvid I get unknown encoder 'libxvid'. It's like nothing really ...
0
votes
1answer
26 views

Slow down mp3 audio

I love VLC's option of slowing down audio playback. Now I want to take my mp3-files to a portable player and play them there. Unfortunately the player does not have a slow down option. How can I ...
4
votes
1answer
473 views

Merge two audio sources with x11grab, possible?

Currently I'm running with the following setup. ffmpeg \ -i http://pub1.di.fm:80/di_vocaltrance \ -f x11grab -s 1920x1080 -r 25 -i :0.0 \ -c:v libx264 -preset fast -pix_fmt yuv420p -s 1280x800 \ ...
1
vote
0answers
14 views

FFMPEG stream won't show up on Justin.tv

INRES="1366x768" # input resolution OUTRES="1366x768" # Output resolution FPS="35" ...
2
votes
1answer
53 views

FFmpeg doesn't recognize my audio sources

I want to record my screen with audio for practice. I saw recommendations to use this command line: ffmpeg -f alsa -ac 2 -i pulse -f x11grab -r 25 -s 800x600 -i :0.0+200,100 -c:a pcm_s16le -c:v ...
2
votes
2answers
95 views

Is there any equivalent to the atempo ffmpeg audio filter but for avconv to speed up video(and audio)?

As noted here, we could speedup audio with ffmpeg using ffmpeg -i input.mkv -filter:a "atempo=2.0" -vn output.mkv But on Ubuntu, ffmpeg is replaced by avconv, and the atempo filter is not available ...
0
votes
1answer
892 views

ZoneMinder compiling error: “missing binary operator before token ”(“”

When installing ZoneMinder 1.25.0 in CentOS 6.4 (64-bit) the following error pops up when executing make: zm_ffmpeg_camera.cpp:105:44: error: missing binary operator before token "(" Full log: ...
0
votes
0answers
31 views

Solaris - calling app from java - no such file or library

I call ffmpeg from a java application on Solaris. If I run ffmpeg with the same parameters from command line, then it works fine, but calling it from Java app results the following error message: ...
7
votes
2answers
11k views

How get the best quality when converting from mp4 to avi with ffmpeg?

When I use this, the quality doesn't look bad. ffmpeg -same_quant -i video.mp4 video.avi In the ffmpeg documentation is written: "Note that this is NOT SAME QUALITY. Do not use this option unless ...
0
votes
0answers
53 views

Apply fadeout effect to video at multiple places

I have a video of 12 seconds, frame rate is 30 frames per second. I want to apply fade out effect to video on multiple places, for example from second 3rd to 4th and from second 7th to 8th. Have a ...
1
vote
0answers
121 views

Distributed video encoding with ffmpeg

I'm in a process of giving form to a very old dream of mine - to create an efficient and cheap video encoding platform. And following the great examples such as SETI@home, BitTorrent and BitCoin, ...
1
vote
0answers
95 views

mplayer not sending the correct user-agent

I am trying to play a stream through mplayer. Here is the command I execute: mplayer -user-agent "PS4 libhttp/1.60" -cache 8192 -v ffmpeg://http://the_stream_url.m3u8 The stream does not play due ...
1
vote
1answer
3k views

Install FFMPEG on RHEL/CentOS

I've been searching for hours now and trying various methods of installing FFMPEG on my CentOS server. This is what I have currently installed on my Ubuntu desktop: FFmpeg version ...
1
vote
2answers
8k views

How to stream video from webcam to network with ffmpeg?

I'm trying to stream h264 video from my Logitech C920 webcam. I'm using such ffserver.conf: Port 8099 NoDaemon BindAddress 0.0.0.0 RTSPPort 5004 RTSPBindAddress 0.0.0.0 MaxClients 10 ...
1
vote
0answers
80 views

how to install avxsynth on centos?

i am using centos 6 x86_64 and i am trying to install avxsynth for centos, but it always failed from link page i found that i have to install automake libtool MPlayer sudo apt-get install ...
4
votes
2answers
143 views

How to remove silence part from mp3 that is extracted from tv drama

I hear a mp3 that is extracted from some tv dramas as a English exercise. So in that mp3 there are lot of "silence part" in which no one speaks and there is no background music. Is there a way to ...
0
votes
1answer
69 views

Can I get the ffmpeg command-line from an existing video?

I want to generate a video with the exact same settings as an existing video. I can run: ffmpeg -i original.mp4 To get human-readable info about the contents: Duration: 00:05:32.32, start: ...
0
votes
0answers
54 views

Grab from a webcam

On Linux it is easy to use an audio or video grabbing device as input to FFmpeg: ffmpeg -f oss -i /dev/dsp -f video4linux2 -i /dev/video0 out.flv Today someone in kirupa forums said they ...
5
votes
2answers
246 views

How to input a network file using scp to ffmpeg

My problem is this. I have access to a server that hosts many video files, most of them are very large and not well compressed. I intend to make a reduced quality smaller size copy of these on my ...
0
votes
0answers
63 views

How can I use codecs etc. from one file to encode another with avconv?

I'm trying to use my camcorder as a portable TV, so I would like to use files from the camcorder (a Sony Handycam HDR-CX280) to encode my other video files in a format it will play. Here's the output ...
0
votes
3answers
707 views

Alsa Pulse Audio cannot open audio device pulse (No such file or directory) pulse: Input/output error

I'm trying to stream my Gnome Desktop I installed on my OpenVZ VPS Server, and I'm not trying to run this from SSH, but the terminal inside the GNOME desktop, I know it probably doesn't have a sound ...
3
votes
0answers
44 views

How to tape a video running on the screen? (screen capture)

I am trying to capture video and audio from the screen, loudspeakers and microphone. I would like to do that with a command-line command. So far, ffmpeg -f x11grab -r 25 -s 800x600 -i :0.0 ...
1
vote
0answers
52 views

screen capturing fails when trying second time by using ffmpeg

I'm trying to capture screen by using ffmpeg. ffmpeg -video_size 1024x768 -framerate 25 -f x11grab -i :0.0+100,200 output.flv It worked at first, but after I end the first capture by Ctrl + C, ...
16
votes
3answers
17k views

How can I use ffmpeg to split MPEG video into 10 minute chunks for YouTube upload?

There is often a need in the open source or active developer community to publish large video segments online. (Meet-up videos, campouts, tech talks...) Being that I am a developer and not a ...
2
votes
1answer
497 views

unrecognized option 'vf'

I'm trying to add SRT subs to an flv video with following code but says unrecognized option 'vf'. Am I missing something or is there a workaround? I read somewhere you need at least ffmpeg version 7 ...
9
votes
3answers
3k views

How to get near-perfect screen recording quality?

Someone suggested I direct a copy of the unmodified X display to a file and afterwards convert that file to a general purpose video file. What commands would I use to do this on a Kubuntu system? ...
3
votes
2answers
324 views

Interactively concatenate video files

Problem : How to concatenate (join) multiple MP4 video files into one file interactively? There are a lot of programs that do this for two files from the command line. For instance : ffmpeg, ...
-2
votes
1answer
312 views

ffmpeg not found [closed]

As I had to install my system from scratch I decided to play it safe this time around and follow the documentation for compiling ffmpeg on Centos via the ffmpeg.org site. I followed every command line ...
0
votes
1answer
73 views

Linux re install order of events to include ffmpeg

Before I go ahead and wipe my whole system and start from scratch, is there a way I can avoid what just happened on trying to install ffmpeg? I still don't actually know the correct way to install it ...
1
vote
2answers
516 views

ffmpeg installation on Linux REHEL/CentOs 6.X

I had a static installation of ffmpeg but was running into trouble with config files not found so I have since just deleted it. Then I tried re-installing a more current static version just to see if ...
1
vote
0answers
87 views

ffmpeg hardcode subs on flv

Giving up on trying to use videosub.js, I am now trying to hard code subtitles to the video file using ffmpeg. Have run into trouble with configuration files not found, when trying to hard code the ...
0
votes
1answer
220 views

No rule to make target `install'

I am following these instructions https://trac.ffmpeg.org/wiki/CentosCompilationGuide But when I try the code: cd ~/ffmpeg_sources curl -O ...
2
votes
1answer
631 views

How to enable libass on Linux?

I tried to enable libass for ffmpeg with this --enable-libass in command but it didn't recognise the command. Does anyone know how to enable libass on Linux?
2
votes
0answers
180 views

Is there a way to mix between two RTMP streams (depending on which is up) using something like FFMPEG?

(Apologies about the question title, not quite sure how to word it) So I'm working on a turnkey streaming solution / server for a local LAN party, using the fantastic nginx-rtmp to handle incoming ...
0
votes
2answers
888 views

Bash script to convert all *flac to *.mp3 with FFmpeg?

I want to convert all *.flac to *.mp3 in the specific folder. This is what I've tried, but not works: # change to the home directory cd ~/music # convert all *.flac files ffmpeg -i *.flac -acodec ...
2
votes
1answer
383 views

/root/bin/ffmpeg: error while loading shared libraries: libtheoraenc.so.1: cannot open shared object file: No such file or directory

My ffmpeg command gives error when I try to convert video format. I have installed ffmpeg manually following this guide. For above issue I checked ffmpeg: error while loading shared libraries: ...
3
votes
2answers
317 views

Save find -exec output to text file

I have a set of videos in the folder. I would like to get the info about this videos using ffmpeg -i command and save the output to file. So I wrote the line: find . -type f -exec ffmpeg -i {} \; ...