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

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31 views

Installed a software from source code, how to uninstall it? [duplicate]

Recently I've been doing some reading on FFmpeg, and so I was told that FFmpeg served by the Ubuntu official repository is outdated. I followed the official FFmpeg installation guide, and managed to ...
0
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1answer
406 views

avconv slideshow from images - first image appears for split second

I am currently using the following command to generate a slideshow from all jpg's in the current directory: avconv -r 1/5 -f image2 -i %03d.jpg -r 25 -c:v mpeg2video output.mpg The command almost ...
1
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0answers
338 views

avconv pipe to v4l2loopback device

I use v4l2loopback module to create two video device. My intention is to pipe output from primary video device to these two virtual devices. I can do that using ffmpeg: ffmpeg -f video4linux2 -s ...
0
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1answer
233 views

Record screen at bootup using ffmpeg in 5 minute segments (12.04)

So I've played around with this quite a bit but at this point I've managed to hit a wall in figuring the next step. I have this script that works from an ssh tunnel to record display :0.0 ...
1
vote
1answer
263 views

avconv incorrect length when splitting video

avconv used to work fine for me in 13.10, but now it doesn't. I'm using it in the same way as before, for example: avconv -ss 1971 -t 2216 -i x.mp4 -vcodec copy -acodec copy -metadata track="7" ...
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2answers
5k views

How may I burn srt subtitles to video with avconv?

System : Xubuntu 13.04 x64 I've found usage of this functionality in ffmpeg here ffmpeg -i video.avi -vf subtitles=subtitle.srt out.avi but it doesn't work. I get an error No such filter: ...
2
votes
1answer
3k views

php5-ffmpeg not available in 14.04's repos, what now?

I know that from now on, Unbuntu only supports libav instead of ffmpeg. But as for ffmpeg-php, I am not aware of any similar tool. So how developers are supposed to do? Is there any option beside ...
4
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1answer
2k views

Convert .mp4 to .ogg keeping only the audio, with Ubuntu 14.04 and avconv

How to convert a .mp4 file (downloaded from YouTube) to .ogg? (keeping only the audio) When Ubuntu had ffmpeg I could just do ffmpeg -i file.mp4 -acodec vorbis file.ogg Now we have to do without ...
0
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1answer
2k views

FFMpeg permission denied error

I installed ffmpeg into /root/bin I followed this guide: https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu I now want a non admin to access it. I created a symbolic link in /usr/local/bin now if ...
0
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1answer
454 views

Installing xvst on ubuntu 14.04? ffmpeg missing

I'm trying to install xvst: http://xviservicethief.sourceforge.net on my ubuntu 14.04 64bits I have tried adding the repositories as described over here: ...
2
votes
1answer
172 views

How to change the volume of left channel using pulseaudio

I am recording the video using logitech camera and bluetooth microphone. Logitech can used for recording both audio and video. When I turn on bluetooth microphone in the middle of recording, it is ...
2
votes
1answer
324 views

avconv assert error mpah.frame_size when trying to convert WAV to MP3 under 14.04 [closed]

My objective is to convert a WAV file to MP3 on 14.04 (64-bit). The wav file is "Signed 16 bit Little Endian, Rate 16000 Hz, Mono" and is known to good. It plays fine with aplay, also converts ...
0
votes
1answer
210 views

Self-compiled FFmpeg, checkinstall and APT dependencies

I've compiled FFmpeg and installed it with checkinstall. Now, I'm trying to install OpenCV development files, but it wants to install libavcodec-dev libavcodec54 libavformat54 libavutil-dev ...
1
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0answers
119 views

PulseAudio channel map at run time

Could I map (Swap) the channel at run time. I am using the ffmpeg to record the both video and audio from two logitech cam/mic and bluetooth mic. Now currently at the starting of recording bluetooth ...
0
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1answer
825 views

Remove extra noise from ffmpeg video

I am using the following command to record the audio and video: ffmpeg -loglevel warning -y -f v4l2 -s 544x288 -i /dev/video0 -vstats -vstats_file '/home/2014-05-13T07-18-37/left_cam-stats' -f pulse ...
6
votes
3answers
17k views

Ubuntu 14.04 64bit - 'GStreamer ffmpeg video plugin' problem

I can't install gstreamer0.10-ffmpeg on Ubuntu 14.04
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0answers
34 views

Remove audio from mp4 file [duplicate]

I have a video file i.e. video.mp4 it contain both video and audio. I want to remove the audio from this mp4 file. I tried using the following ffmpeg command: ffmpeg -i /home/Desktop/video.mp4 ...
0
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0answers
10 views

audio track framerate 25(PAL)-->23,976(NTSC) [duplicate]

here's my problem: I need to change the framerate of the audio track of one of my films from 25 to 23,976 fps (to mux it with a full hd version); I used to make use of handbrake, re-encoding the film ...
1
vote
4answers
640 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
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1answer
46 views

Are FFMPEG, Imageshack Included on Ubuntu Server?

I'm finally setting up my own server for my two websites and I'd like to know what image and video applications are included in Ubuntu server, such as FFMPEG, Imagemagick, etc.
0
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1answer
132 views

Why does my system shut down when running ffmpeg? [closed]

I am converting mp4 to ogg for many videos with ffmpeg but at some point during this process, my computer is shutting down. Any idea why or how I can prevent this?
2
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2answers
209 views

ffmpeg: installing from repository or compiling from source?

When googling for "install ffmpeg ubuntu" the first link I've got was https://trac.ffmpeg.org/wiki/UbuntuCompilationGuide, so I followed it, and unfortunutely got some errors during ffmpeg ...
1
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2answers
767 views

FFMPEG Audio not recording

I'm having some issues recording sound with FFMPEG on Ubuntu. ffmpeg -v verbose -f x11grab -y -r 60 -s 1920x1080 -i :0.0 -vcodec mpeg4 -f alsa -i pulse -ar 44100 -acodec libmp3lame -ab 192k -ac 2 ...
1
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0answers
73 views

How do I install ffmpeg? [duplicate]

I need to install the package ffmpeg because I am trying to install subsonic server on my new Ubuntu Gnome 14.04 When I try: apt-get install ffmpeg I get: Some packages could not be installed. ...
0
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1answer
322 views

Incorrect duration time in Audacious or any musical player when convert with ffmpeg or avconv

I have one strange problem which I can't figure out and it really drives me crazy. I was searching from a long time for this, but didn't find any adequate answers. It is about the time duration of ...
1
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1answer
206 views

FFmpeg on Linux Video Size in Preset

Hi everyone I am trying to create a preset to encode my videos with ffmpeg through this file: #video options s=716x402 vcodec=libx264 minrate=900k maxrate=1100k bufsize=1500k vprofile=high level=4 ...
6
votes
1answer
170 views

How to know current status of recording device?

I have a device that records the audio and video using ffmpeg. And I am using Ubuntu 12.04 for that device, but I want to find out if the device is currently recording or if it is in idle state from ...
1
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1answer
441 views

Streaming with FFMpeg: Splashscreen?

I've been experimenting with streaming via FFMpeg. I love how powerful it is! Currently I have it set up so that it streams my screen and adds an overlay for my webcam. Though, there is one thing that ...
1
vote
2answers
3k views

How to extract aac audio from an mp4 file to m4a

How can I extract the aac audio from an mp4 file? I tried with ffmpeg and -acodec copy but if i use mp4 as output it will still encode the video and I get the same file size. If I use m4a as output ...
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votes
2answers
1k views

Stop the recording after some period of time

I have a device that recording the video using the webcam with ffmpeg. It is working great, when the recording is started I am getting the USR1 signal. And after stoping the recording we receive the ...
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2answers
711 views

How to prevent the recorded video using ffmpeg get corrupt

Actually I have an device that record the audio and video. when the recording is started the video file also started to persist into the hard drive. But if device goes off unfortunately between the ...
181
votes
7answers
230k 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 ...
3
votes
3answers
671 views

Is there a build of Audacity for Ubuntu that can use a local version of FFMpeg?

Audacity builds on Ubuntu no longer support FFMpeg because of the libav foolishness. Is there maybe a PPA or something with a build of Audacity that supports using a local build of FFMpeg? I could ...
3
votes
1answer
543 views

FFMPEG | How to encode a video to make it faster

Good day people, I was wondering how to encode a video from a speed of 1 x to a one of 5 x, using ffmpeg. Thanks in advance for any suggestion.
2
votes
1answer
555 views

mp4v and mp4a in Ubuntu VLC

In 13.10, I have this error in VLC: [0x7f529c0038a0] main decoder error: no suitable decoder module for fourcc `mp4v'. VLC probably does not support this sound or video format. [0x7f529c004470] main ...
0
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0answers
85 views

How to Add Time stamp when using ffmpeg Video Recorder? [duplicate]

Is there any option , that let a user record a video with a time stamp . I use many web-cam recording and i didn't found this option . Program i used Guvcview , Cheese . Any Help ?
1
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1answer
6k 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
votes
2answers
7k views

How to compile FFmpeg with x265 support?

Today I found out that x265 is already present in ffmpeg so I compiled ffmpeg with this guide Sadly libx265 did not work on ubuntu, however on windows I tried the same thing with zeranoe ffmpeg ...
1
vote
1answer
411 views

Is it possible to restore the original quality of a YouTube video after downloading it? [closed]

I'm on Xubuntu. Two days ago, I wanted to download a mp3 song from YouTube: this one using this firefox extension or any other. The size is 82 MB. It's clearly not an mp3 file; it's a video that has ...
0
votes
1answer
311 views

ffmpeg batch convert files

I have a folder that contains audio files, files are in sequence named from 1 to 150 but none of the files have file extension. What I want is to convert them to aac or.mp3 and If I can join them as ...
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0answers
757 views

TCP 5454 and 554 connection refused for rtsp streming via ffmpeg

I am trying to convert my rtmp streaming to rtsp streaming using ffmpeg. the following code is doing the convert `ffmpeg -i rtmp://xxxxx.com/live/live1 -f rtsp rtsp://xxxxx.com:5454/test1-rtsp.mpg` ...
1
vote
1answer
274 views

ffmpeg-video trim from the end of the video

I have some videos of different duration.I want to cut(remove) the last 5 seconds of all videos.Can i use 'ffmpeg' in a loop to trim the videos?please help me.
1
vote
1answer
251 views

Script for trimming with ffmpeg

I'm recording radio broadcasts via DVB-C and gnutv. To trim the recordings I use ffmpeg. The synthax takes rahter long to enter in Terminal. So I'm working on a script to automatize this. Hiere it ...
0
votes
1answer
390 views

How to play MSS2 encoded video files

VLC player and totem video player can't play MSS2 video encoded video files but i could play them under Ubuntu by compiling FFMPEG library. now ffplay can play these files. My question is if there is ...
3
votes
1answer
4k 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
1answer
54 views

FFMPEG preset question

I am trying to use this sh to broadcast on twitch, but I keep getting this error Unrecognized option 'preset=fast' I am running Ubuntu 13.10, it is an ASUS laptop
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vote
0answers
471 views

Specify shared library location for VLC

I built (from source) a newer version of libavcodec.so, libavformat.so, etc. than provided by the Ubuntu repositories. (My newer versions are installed in /usr/local/lib). Using ldd /usr/bin/vlc to ...
4
votes
2answers
68k views

How to simply convert video files (i.e.: MKV to MP4)? [duplicate]

I simply want to convert files, any format to any format (at the moment, I need to convert MKV to MP4-h264), without losing quality. I don't want to resize (scale) the video, I don't want to change ...
0
votes
2answers
1k views

how to use ffmepg codecs on ubuntu

I want to play .wmv files on Ubuntu, but it seems these files are proprietary and are not playable under Windows. So downloaded the ffmpeg source code and compiled it. Now, ffmplay is able to play ...
0
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1answer
6k views

Convert “H264 MP4 AVC (part 10) (avc1)”/“MPEG AAC 48kHz” 1080p 23.976000fps videos to 720p, as complete quality as possible

file says all the files are ISO Media, MPEG v4 system, version 2 and the title's info is from VLC 2.0.9. IMO 1080p isn't necessary, especially since the other vids from earlier are 720p and are just ...