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

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23 views

How to convert a video file from mkv to a format supported by the TV set?

I have a mkv video file which contains the following content: > mkvmerge --identify original.mkv File 'original.mkv': container: Matroska Track ID 0: video (V_MPEGH/ISO/HEVC) Track ID 1: audio ...
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0answers
25 views

how to get vdpau hardware acceleration using ffmpeg on ubuntu?

I am developing a multimedia player using ffmpeg. I am trying hard to get hardware acceleration through ffmpeg using vdpau hardware accelerator. I didn't get any success so far. Below I have mentioned ...
1
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2answers
37 views

Why is chromium-codecs-ffmpeg-extra in my 14.04 system?

I just checked my records. Computer purchased: 2014 July Ubuntu 14.04 installed: 2014 July chromium-codecs-ffmpeg-extra 1st upgraded: 2014 August So it ...
2
votes
1answer
49 views

Script to convert .wma to .mp3 command not found [duplicate]

I am using a script called conv-script that I found on AskUbuntu here. It looks like this #!/bin/sh readarray -t files < wma-files.txt for file in "${files[@]}"; do out=${file%.wma}.mp3 ...
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0answers
14 views

Why do apps keep asking me to install ffmpeg or avcon?

I've been using Synfig for a while now. It's worked fine for me. Recently (last week) it asked me to install ffmpeg. A script I ran earlier this month asked me to do the same thing. They both ...
0
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2answers
42 views

FFMPEG installed but not found

I'm trying to install pHash , but when I execute ./configure this message is returned: ... *** Configuring video Hash *** checking whether FFmpeg is present... checking for avcodec_alloc_frame in ...
1
vote
1answer
24 views

How to set maximum video width in ffmpeg?

How can I set the maximum dimensions of a video in ffmpeg? I want my videos to be 600:-1 or smaller. If I use -vf scale=600:-1, then it'd work with videos bigger than 600:-1 but the smaller videos ...
1
vote
1answer
24 views

How would you label an audio track as a “Japanese Surround 5.1” in MP4Box or ffmpeg

I have tried several methods of trying to label the track such as using MP4Box -lang 3=jpn file.mp4 and then did MP4Box -name 3="5.1 Surround" file.mp4 and the file in VLC keeps it's label only ...
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0answers
16 views

How to get LATEST vlc running in my Ubuntu [duplicate]

Today I downloaded a x265 (HEVC ¿¿)mkv file to my Ubuntu 14.04 . The vlc player is unable to play the file.. The vlc was proided by Ubuntu Software Center and the the version is 1.2.6 . As I checked ...
1
vote
1answer
30 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
1answer
30 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 ...
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0answers
134 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 ...
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0answers
48 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
49 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 ...
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votes
1answer
131 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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0answers
37 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 ...
2
votes
1answer
41 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 ...
0
votes
1answer
34 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 ...
1
vote
1answer
35 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: ...
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0answers
54 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 ...
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0answers
20 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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1answer
100 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 ...
1
vote
1answer
107 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 ...
4
votes
1answer
190 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 ...
0
votes
1answer
42 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 ...
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2answers
60 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 ...
1
vote
1answer
113 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
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1answer
142 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
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0answers
46 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
71 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 ...
0
votes
1answer
520 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
1answer
84 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
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1answer
17 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, ...
1
vote
1answer
290 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
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) ...
1
vote
1answer
127 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
127 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. ...
0
votes
1answer
136 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 ...
0
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0answers
108 views

Extract partial streams ffmpeg

I am using ffmpeg last version (compiled from sources). And I have flv videos that are partially recorded from TV streams. These videos have proper video, and proper audio streams. But the subtitle ...
0
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0answers
109 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 ...
0
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0answers
111 views

Restream from HDHomeRun with ffmpeg

I have an older HDHR-US that does not have any upnp services and requires a special library. I can use the library on my ubuntu 14.04 server to save the video stream. I can also output to a pipe. ...
2
votes
2answers
161 views

Multiple files as input to ffmpeg not found

I'm using Ubuntu 14.04 and have compiled ffmpeg 2.8.4 from source with these options: ./configure --enable-gpl --enable-libass --enable-libfaac --enable-libfdk-aac --enable-libmp3lame ...
1
vote
2answers
848 views

How to convert .ts file into main stream file losslessly?

I have a file that ends in .ts (e.g., here are the first 10 MB). I would like to convert it to a more main stream format (e.g., mp4, MPEG2-PS...), in a lossless way if possible (i.e., remuxing). I ...
1
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0answers
305 views

Cannot install bomi (CMPlayer) on Ubuntu 15.10

I was a fan of bomi player on ubuntu, but cannot install it on the latest version, anybody got a solution? usr@host: ~$ sudo apt-get install bomi [sudo] password for usr: Reading package lists... ...
4
votes
1answer
176 views

Error with ffmpeg since upgrade to 15.10

Like many of us I have been using AVCONV without major issues, however since 15.10 and the arrival of FFMPEG instead, I have errors in my scripts. This command has been used by me for a while to rip ...
4
votes
1answer
4k views

Batch convert H.265 mkv to H.264 with ffmpeg to make files compatible for re-encoding

I have H.265 encoded files that are so resource intensive they don't play well and my conversion software (mencoder) doesn't (currently) support the H.265 format. Can I convert them to H.264 in a ...
1
vote
2answers
104 views

Remove dead pixel from video material (not screen)

My camera recently ran through some trouble and now my sensor chip has four dead pixels, spread across the screen. (Yes, it's actually the censor, I've quadruple checked. It's not the screen.) So ...
0
votes
1answer
103 views

How to Convert mulfiple files using ffmpeg

I need to convert 1000 files from .flv to mp4. I organized 10 folders with 100 items each. I have been using the following command in each file: Root@root:~/1/2/3/4$ ffmpeg -i 1.flv -codec copy ...
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votes
1answer
303 views

Chromium will not start - libffmpeg problem

When starting chromium-browser from terminal I get: /usr/lib/chromium-browser/chromium-browser: error while loading shared libraries: libffmpeg.so: cannot open shared object file: No such file or ...
2
votes
1answer
141 views

Does avconv have an equivalent complex filter for ffmpeg's adelay?

I have a working ffmpeg command to combine an audio/video file with an audio file, and I am now trying to perform the same operation using avconv on Ubuntu 14.04. My ffmpeg command requires the use of ...