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

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1
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1answer
7 views

How to mix and play back multiple audio tracks from a video file?

I have a video file (in an mkv container) with multiple audio tracks (aid=1,2,...). Using either mplayer or mpv, how can I play two of the audio tracks simultaneously (ideally being able to set each ...
0
votes
0answers
49 views

ubuntu 16.04 mplayer fullscreen issue

MPlayer refuses to go fullscreen when I start it with -noborder option. Without this option it works fine. I tried following command but it does not work. mplayer -vo vpdau -zoom -fs -noborder ...
2
votes
2answers
2k views

Merge multiple mp4 files into a single video via the terminal [duplicate]

I am trying to concatenate a directory full of .mp4 files into a single video through the terminal. I have found plenty of methods that say they can do this but either require FFmpeg (which, to the ...
0
votes
1answer
16 views

Where are the headers of libavcodec and libavformat located?

I executed the following commands in the terminal: sudo apt-get install libavcodev-dev sudo apt-get install libavformat-dev I tried to find the headers (various #include<libavcodec/*.h>) in ...
0
votes
1answer
36 views

What Ubuntu programs can I use to live stream? (Looking for equivalents to specific Windows programs.)

I'm trying to figure out on what programs I can use on Linux (has to be specific cause I live stream and it's a 2 pc setup) On Windows: Dxtory; Used to capture my game video's and seperate my ...
0
votes
0answers
32 views

how to recover corrupt mp4 from samsung note 3

I have an app which records mp4. Some videos are fine and some corrupt. But even the corrupt ones are huge in size which I conclude have data.However, I have tried ffmpg, avconv and media info. I am ...
2
votes
0answers
27 views

Cannot convert .wav file to .txt file using pocketsphinx

I'm new to to this Ubuntu. I'm using Ubuntu mate: Distributor ID: Ubuntu Description: Ubuntu 16.04 LTS Release: 16.04 Codename: Xenial Previously I had normal Ubuntu and I had installed ...
-1
votes
1answer
59 views

Why does Ubuntu choose to put the 2.8.6 version of ffmpeg in their repository? [closed]

The official version of ffmpeg is 3.0.1, shouldn't the newest Ubuntu 16.04 LTS choose 3.0.1 or 3.0?
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votes
2answers
85 views

Video codec for making home videos smaller?

Complete video beginner here. I have a bunch of old videos in multiple formats and codecs - like birthday videos, undergrad random captures etc. There is a large number of files that amount to ~25GB ...
0
votes
0answers
22 views

Hardware Accelerated video encoding with Motion

In the thread How can I access the H264 stream from my IP-camera with “Motion”? one advice given by MrDave was "to trigger an external recording application to record the main H264 stream in the ...
4
votes
1answer
2k views

How to Convert All The .MOV Videos To .MP4 in folder

using ubuntu 14.04 i am a newbie can anyone help how to easily convert all the .mov files in my /var/sentora/hostdata/zadmin/public_html/ctkdonline_com/wp-content/uploads/2015/08 folder need to ...
2
votes
1answer
36 views

Ubuntu ffmpeg command -i not found

I'm a beginner with Ubuntu and I need to setup a streaming server for my company, I've installed NGINX and FFMPEG, but when I call ffmpeg -i in the ~/ffmpeg/ffmpeg directory it returns an error ...
4
votes
1answer
155 views

How to install ffmpeg 3.0 on Ubuntu 15.10

ffmpeg 3.0 was released in February, it solves an important bug so I want to use it. Is there any easy way to install ffmpeg on Ubuntu Wily, for instance a PPA? What I tried: Xenial only has ...
1
vote
1answer
30 views

How can the speed of an AVI file be changed?

I want to change the speed of an AVI video file such that it takes twice as long to play as it did originally. I have attempted to do this with ffmpeg, but this results in a very low quality video: ...
3
votes
4answers
63k 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 ...
2
votes
2answers
8k views

ffmpeg & ffprobe & libfdk-aac on Ubuntu 14.10 server

How to install properly ffmpeg? (not a duplicate as most of the similar answers don't work properly) Normally i compile ffmpeg manually with the following guide ...
0
votes
1answer
32 views

Read bitmap data going to X server

I would like to be able to read the data that is being sent to the X server, and stream it into my application for real time processing. I tried using ffmpeg [2] to capture all the data, but it takes ...
2
votes
2answers
5k 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 ...
1
vote
2answers
8k 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
2answers
6k 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 ...
1
vote
0answers
45 views

How to convert webm video to mp4 when encountering errors for unsupported LBRR frames and decoding SILK/Opus

I have a low quality, but playable .webm video. It was recorded from a webrtc live stream that seems to have been on a bad connection. There are not many video frames and the audio cuts out for a ...
0
votes
0answers
16 views

how to convert video from web link with format mpeg4 to high quality mpeg2?

I try to convert video using FFmpeg, and it shows me 'option not found'. Which command can I use to convert from mpeg 4 to mpeg 2 using FFmpeg? The video is not in my folders, it fetches from web.
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votes
1answer
63 views

How to play video using ffmpeg on ubuntu?

I tried to install ff mpeg on my Ubuntu 15. When I try to play video like: ./ff play requirerdvideo it shows me that : bash :./ff play: no such file or directory How can I fix this problem ...
0
votes
1answer
40 views

ffmpeg unrecognized option “draw_mouse”

There is ffmpeg package installed from ppa:mc3man/trusty-media. ffmpeg version N-78590-g5590ab4 Copyright (c) 2000-2016 the FFmpeg developers built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1) When ...
1
vote
1answer
81 views

Can't display the thumbnails of HEVC Main10P and VP9 codec video

I hate totem player, it is useless to me, so I installed the ffmpegthumbnailer, removed totem player, and changed the default thumbnailer to it by following steps. sudo apt-get install ffmpeg ...
0
votes
0answers
92 views

FFMPG vs AVCONV: Has the CRF metric change?

I was planing to transcode a big library of old TV shows, 500GB of SD content. Since it is old, and I am not planing to store it like it is, but I just want to keep it mainly for the audio, I though ...
2
votes
3answers
10k 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 ...
10
votes
2answers
19k 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 ...
5
votes
5answers
15k views

How can I convert .mp4 files to .3gp using ffmpeg?

I would like to download a few videos from youtube and convert them to 3gp so that I can play them on my phone. I would like to know how this can be done using ffmpeg. I tried the various results on ...
28
votes
3answers
49k views

How can I convert an ogv file to mp4?

I created a screencast using recordmydesktop which produed a .ogv file. I believe this is an OGG file encoded using the Theora codec. I'm wondering, how can I convert this to MPEG4/H.264? I've tried ...
1
vote
1answer
79 views

How to install FFMPEG on Ubuntu aarch64

I need to install ffmpeg on Ubuntu aarch64 Architecture. I searched the web but all the guides are about how to install ffmpeg on other Ubuntu distros.
1
vote
2answers
48 views

Converting mp3 with avconv keeping folder structure

I Have a bunch (~31GB) of mp3 files encoded at 320kbps/cbr and I want to convert them all to mp3 320kbps/vbr keeping it's tags and folder structure but in another master path. I Would like to use ...
234
votes
9answers
336k 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 ...
1
vote
1answer
72 views

Converting .mov files to .mp4 using ffmpeg

The conversion answers that I have seen on the web suggest using a -c option in the command line using ffmpeg. However using Ubuntu 14.04 the -c option does not exist in ffmpeg version ...
1
vote
2answers
14k 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, ...
0
votes
1answer
79 views

Re-encoding through FFMPEG

How do I run this command on splitting files, but with re-encoding to MP4 as shown in earlier post? And when splitting the file, how do I avoid hogging the system's resources (especially if it's a ...
0
votes
1answer
362 views

How to use FFmpeg Command for Reverse Video? [closed]

i am use to FFmpeg library in android for reverse video. I can dump images from video but how to reverse all images and make video. See this link that from i am use to library in my gradle.. Library ...
1
vote
0answers
38 views

Open broadcaster not installing

I'm trying to install Open Broadcaster: https://obsproject.com/download#linux but I'm getting these errors: The following packages have unmet dependencies: obs-studio : Depends: libavcodec-ffmpeg56 ...
3
votes
1answer
52 views

Recording Lenovo Easy Camera with ffmpeg - framerate too low

Does anybody have a glue why I can't get ffmpeg to record my webcam higher than 8 fps, with ffmpeg? I've tried Cheese and GUVCView, under various settings. GUVCView only records a still picture, and ...
1
vote
1answer
48 views

ffmpeg unable to record video with audio how to solve it?

ffmpeg unable to record video with audio how to solve it? $ ffmpeg -f oss -i /dev/audio -f x11grab -s 1280x1024 -r 3 -ab 11 -i :0.0 /tmp/out.mp4 ffmpeg version N-77455-g4707497 Copyright (c) ...
3
votes
2answers
3k views

ffmpeg: command not found

I have ffmpeg installed in my Ubuntu 14.04 but when I tried to use it in terminal I got the following error, $ ffmpeg -i input.avs -an -vcodec rawvideo -y output.avi ffmpeg: command not found I ...
1
vote
1answer
75 views

Videos which are converted in Linux do not play in mobile browser

I used avconv and ffmpeg to convert video files, but these files after this process did not work on a mobile browser. They only work as well on VLC or any other browser of desktop (Linux or Windows). ...
1
vote
1answer
217 views

HTML5 DRM video won't play on Ubuntu 15.10 with latest Google-Chrome

I have three 15.10 systems with Google Chrome installed. Two play purchased Amazon movies just great. One gives me a "Digital Rights Error" tells me to enable Widevine and refer to error 7235. I ...
1
vote
1answer
14 views

Adaptive crf value in ffmpeg?

I use a crf value of 19 wich works, but some times the bit rate gets too high. Basically I want to know how to make ffmpeg try to keep the quality level at 19 but when the bit rate gets too high, ...
6
votes
3answers
27k views

How can I convert a 1080p wmv video to a 720p video?

I have a 1080p wmv video that I'd like to convert to a lower quality (preferably 720p) video. I would like to keep the audio intact. How can I accomplish this in Ubuntu?
7
votes
3answers
11k 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 ...
1
vote
1answer
105 views

unable to download 480p format using youtube-dl

I'm trying to download 480p format youtube video using youtube-dl using youtube-dl -f 135+141 --prefer-ffmpeg <url> and i get the following error and it failed to mix audio and video ...
4
votes
2answers
118 views

Can a Zenity list display a string `--option`?

Is it possible to have a Zenity list-style menu show a code option like -r? I am trying to make a simple GUI for an FFMPEG bash script. This is just one prompt for selecting a framerate for a video. ...
1
vote
3answers
15k views

ffmpeg unkown libfaac ubuntu 14.04

I Have Installed ffmpeg 2.3 in Ubuntu 14.04 ffmpeg -i demo.mpg -acodec libfaac demo.mp4 ffmpeg version 2.3 Copyright (c) 2000-2014 the FFmpeg developers built on Aug 13 2014 22:15:33 with gcc 4.8 ...
0
votes
1answer
113 views

Upgrade already installed ffmpeg software on ubuntu server

I have ffmpeg version 2.2.5 installed on my server which is running on ubuntu. I want to update it to latest version and codecs/libraries. I have tried the following commands but they are not ...