Questions tagged [avconv]

Video and audio converter, can also capture live from an audio/video source.

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avconv Unknown encoder 'libx264' i try all solution but not working

I have this problem with avconv: Unknown encoder 'libx264' For adding subtitle I use: avconv -i video.mp4 -map 0:0 -map 0:1 -c:v libx264 -aspect 16:9 -q:v 1 -b:v 512k -strict -2 -c:a aac -ac 2 -...
Snipers TV's user avatar
0 votes
1 answer
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Error mounting /dev/sdc1 at ..... Wrong fs type, bad option, bad superblock on /dev/sdc1, missing codepage or helper program, or other error

I tried twice to write an .iso to a pendrive using BelenaEtcher. Error mounting /dev/sdc1 at /media/andy/Rescuezilla: Wrong fs type, bad option, bad superblock on /dev/sdc1, missing codepage or ...
fixit7's user avatar
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723 views

Convert flac to lossless wma?

I have a bunch of flac files I have to convert to lossless .wma because a game I have requires I use it. I was looking at avconv, and tried avconv -i song.flac output.wma, however I believe this made ...
leetbacoon's user avatar
3 votes
1 answer
4k views

ffmpeg vs avconv - Specifically use of lavfi in avconv

I have been trying to create a sine wave with avconv. I have read online that avconv is very similar to ffmpeg and much of the syntax of one should be almost identical to be used in the other. ...
Bentley Carr's user avatar
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3 votes
1 answer
471 views

How to cut up a video into uniform parts using a command line tool

I want to use a command line tool to cut up a video according to a specific interval, say 1 second. If I have a 60 second video, I expect it to be split up into 60 uniform parts. My only other ...
Lichtung's user avatar
16 votes
3 answers
39k views

How do you install avconv on Ubuntu 18.04?

I am trying to install avconv by running the following command, but the library doesn't exist anymore for Ubuntu 18.04. sudo apt-get install avconv It is told on other Ubuntu forums to replace the ...
YellowishLight's user avatar
23 votes
3 answers
77k views

Download everything from a YouTube video using youtube-dl

I want to download everything (subtitles, cards, tags, annotations, thumbnails, etc. (and obviously the video w/ audio)) from a YouTube video (for example, this one). I'm using youtube-dl and, with ...
leetbacoon's user avatar
1 vote
1 answer
2k views

How can I make videos out of image sequences, skipping every n files?

I know how to make a video out of an image sequence using ffmpeg -i %0Xd.png or *.png etc. But what I'd like to do is somehow tell ffmpeg to skip every n files. E.g. if I have files numbered 0000, ...
memo's user avatar
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2 votes
1 answer
814 views

Play mp4 video file, by piping avconv to avplay on Ubuntu 14?

On Ubuntu 14.04, there is avconv/avplay instead of ffmpeg/ffplay; version is: $ avconv -version avconv version 11.3-6:11.3-1~trusty, Copyright (c) 2000-2014 the Libav developers built on Apr 13 ...
sdaau's user avatar
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how to debug a corrupted video file with ffmpeg?

for example I downloaded some film, it is somehow encoded with some program, when I try to use ffmpeg to convert it, let's say from mkv to mp4, i get an error that: [matroska,webm @ 0x1d06640] Read ...
Blurry Script's user avatar
1 vote
1 answer
931 views

Re-enconde mkv to mp4

my mkv file was originally encoded using following encoder: Lavf57.57.100 is it possible to reencode the same file without using it? Because I can't convert it to mp4, I get following error when I ...
Blurry Script's user avatar
18 votes
2 answers
20k views

Reducing filesize of video in ubuntu?

How do I reduce the filesize of videos? For some reason, by phone takes giant videos. The worst of these is a 20 minute video that takes up an entire 13 GB. How can I shrink the filesizes of these? ...
quantumbutterfly's user avatar
1 vote
1 answer
4k views

How do I set the FPS when using ffmpeg?

I'm trying to save my CCTV stream into segments of 300 seconds with a FPS of 7. Here's my command: ffmpeg -r 7 -i rtsp://192.168.1.100/...stream=0.sdp -acodec aac -strict -2 -vcodec copy -f segment -...
John M.'s user avatar
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1 answer
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Join videos side by side

In what way can I join these four videos side by side (with 10px margin between the left and the right side. No margin between top and bottom)? top_left.mp4 top_right.mp4 bottom_left.mp4 bottom_right....
ar2015's user avatar
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1 answer
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Symlink the ffmpeg command to avconv

I’m on Ubuntu 14.04 which has no ffmpeg. Instead, it uses avconv. However, an application I want to use relies on ffmpeg. So I tried the following: sudo ln -s /usr/bin/avconv /usr/bin/ffmpeg to ...
user69748's user avatar
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combining mp4 files returns bad argument

I'm currently trying to combine converted mp4 files into 1 mp4 file but it's not going that great. To see my previous question, which includes some real struggle with filters and settings, see this ...
Tosfera's user avatar
  • 73
1 vote
1 answer
233 views

Audio desynced from avconv commands

I'm currently trying to combine several videos from different devices into 1 video. The setup is as following: User records 3 videos on a phone ( android or iOs ) The system sends these video's (mp4 ...
Tosfera's user avatar
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8 votes
2 answers
7k views

Are ffmpeg56 and ffmpeg54 packages discontinued?

It seems that the following packages were not included in official yakkety repos, even if they were in xenial. libavcodec-ffmpeg-extra56 libavformat-ffmpeg56 libavutil-ffmpeg54 Are they unuseful / ...
jasmines's user avatar
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Installed latest version of libav from sources but the corresponding libavcodec shared library apparently is not detected

After I upgraded to Firefox 50, a new warning message started to be displayed for some of the videos (or animated gifs) that I tried to play or load. The actual text message is libavcodec may be ...
misterjinx's user avatar
1 vote
1 answer
8k views

How to add an image at the end of a video from the terminal

I am using Ubuntu 14.04. How can I add an image at the end of a video from the terminal? For example, I have a video called input.mp4, and I want to add an image called input.png showing my Facebook ...
chikadance's user avatar
1 vote
2 answers
2k views

Converting to ogg via avconv - Unknown encoder 'libtheora' (ubuntu 16.04)

In Ubuntu 16.04 I am trying to convert a video using "input.avi" -c:v libtheora -qscale:v 6 -c:a libvorbis -qscale:a 5 "out.ogv" but I get this error: Unknown encoder 'libtheora' The were no ...
Crantisz's user avatar
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2 votes
1 answer
1k views

How to create video from images with filename yyyy-MM-dd:HH:mm:ss

I have a lot of images (>11.000) and I want to create a video with avconv as timelaps. With ffmpeg i did the trick with: ffmpeg -r 25 -i "/mnt/stora/dahopi/Pictures/Gartencam/%*.jpg" \ -vf ...
DaHopi's user avatar
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1 vote
0 answers
2k views

How to stream a .ts without any re-encoding

I'm trying to just stream a ts file to test some software on my network. I've been running this command: avconv -re -i originalfile.ts -f mpegts udp://127.0.0.1:10000 But I noticed that its re-...
chowpay's user avatar
  • 121
2 votes
1 answer
550 views

Slideshow of Image Folder whose files increase

I am trying to stream video from my webcam to a series of images, process these images through a bash script that uses convert (imagemagick) and then output them to a folder. I have been successful ...
chazfool's user avatar
8 votes
4 answers
18k views

Converting WEBM to MP3

I'm aware there are a couple of other questions here related to this, but the answers provided don't seem to work. I'm trying to convert a webm to mp3 with avconv. Here's how I tried to do it: $ ls ...
Juicy's user avatar
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1 vote
1 answer
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converting multiple png to mp4, all frames are the first image

I am trying to convert multiple images (.png) into a video mp4. I am using avconv, I already made it work before but I can't remember how ... I am using ubuntu 14.04, I had the avconv 9.something, I ...
p.deman's user avatar
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2 votes
1 answer
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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 ...
m59's user avatar
  • 123
2 votes
2 answers
1k 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 ...
André M. Faria's user avatar
2 votes
1 answer
325 views

Convert video DVD for FullHD TV via NAS

I'd like to convert a video DVD into a video file that I can put on my NAS in order to watch it via PC or my TV (FullHD). Of course, I'd like to preserve high quality and high compatibility, as new ...
Sebastian Schlicht's user avatar
1 vote
1 answer
645 views

How can I remove segment from a video using avconv?

How can I remove one, or multiple segments from a webm video using avconv (without reencoding)?
Марат Кудяков's user avatar
2 votes
1 answer
3k 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). ...
Marcos Gabriel's user avatar
1 vote
1 answer
2k 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 WARNING:...
Sooraj S's user avatar
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0 votes
1 answer
4k views

create a video file from series of png images

I know there a lot of similar questions, but for some reason even after reading them it does not work. I would like to create a video from a series of png-files. The files are named like ...
DonkeyKong's user avatar
49 votes
3 answers
159k views

How to convert .ts file into a mainstream format 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 ...
lacton's user avatar
  • 603
27 votes
5 answers
19k views

How do I get rid of ffmpeg `WARNING: library configuration mismatch` message?

I have been using avconv without issue, however since upgrading to 15.10 and switching to ffmpeg, I have a library configuration mismatch warning in my script output. This is my command to rip CDs ...
markrich's user avatar
  • 1,400
3 votes
1 answer
987 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 ...
mattm's user avatar
  • 190
2 votes
3 answers
2k views

Hauppauge 610 Analog Video Capture Script or Command

I have Xubuntu 14.04. The camcorder I am using is the Sony CCD-TRV16 NTSC 180x Digital Zoom. I am using the Hauppauge 610 USB-Live 2 Analog Video Digitizer and Video Capture Device to convert 8mm ...
jbrock's user avatar
  • 3,307
1 vote
1 answer
1k views

Installing libav 10 on Ubuntu 14.04

I need libav version 10 or higher. I'm running Ubuntu 14.0.3. I have versions 9.18-6 installed. Looking at https://libav.org/download/ - I see some source files I could try to compile - but I'd ...
Terence Eden's user avatar
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1 vote
1 answer
497 views

Fade video and audio in and out using avconv

How do you fade video and audio in from and out to back avconv? I have found many posts on how to do this with ffmpeg but non with avconv. The length of the video will change between videos. Is it ...
Blunderchips's user avatar
0 votes
2 answers
5k views

converting avi to streamable mp4

I just got my chromecast and I am trying to convert my uncastable avi videos to castable mp4 video format I converted some avi videos to mp4 using the command: avconv -i input_file.avi -c:v libx264 -...
frepie's user avatar
  • 555
0 votes
1 answer
411 views

MKV seek broken after re-encoding

I have a few MKV files that need the title to be changed. My searching has led me to understand that re-encoding is the the easiest way to do so. mediainfo on one of the files General Unique ID ...
3l4ng's user avatar
  • 886
1 vote
1 answer
625 views

avconv: Saving MP4 Process Hangs

not entirely sure if I should post this on askubuntu or stackoverflow. I'm setting up a website where users can upload videos and share them. I'm using avconv to reduce the video size and save it ...
CGriffin's user avatar
  • 123
0 votes
2 answers
2k 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 ...
3l4ng's user avatar
  • 886
3 votes
1 answer
390 views

Unable to convert to x264 mkv

I want to convert an mp4 file to mkv with the video format as x264 and audio as libmp3lame Mediainfo for the file gives: General Complete name : file_in.mp4 Format ...
3l4ng's user avatar
  • 886
2 votes
1 answer
3k views

How do I play a video with audio from a separate file? (mux during playback)

My laptop runs Xubuntu 14.04 LTS. I'm composing a score for a silent film, and I'm trying to "Mickey Mouse" it (synchronize notes to the action). I can tweak the silent film's editing slightly to line ...
Damian Yerrick's user avatar
1 vote
0 answers
366 views

avconv Creating Corrupt (0 KB) Video Files

EDIT: I have seen this question: avconv creates zero byte file while trying to downsample mp4 video Unfortunately, it's not the same problem. I'm trying to use avconv in conjunction with a website on ...
CGriffin's user avatar
  • 123
1 vote
0 answers
480 views

lossless jpg to video conversion

I am trying to create a time lapse video from a bunch of jpg files. When I use the files as they came out of my camera everything works fine. Now I averaged however over multiple images to improve ...
kyra's user avatar
  • 145
3 votes
2 answers
3k views

combine audio and photo using command line in Ubuntu

What is the best way that I can make a video from one photo and one audio file like Mp3 I’m using an Ubuntu headless server, so I need a command line version for this... I tried with avconv but I ...
Abomusab Revo's user avatar
8 votes
2 answers
7k views

avconv converting videos in really bad quality

I have this linux command line app called avcon. It is used to converting files. For instance if I have a file called video.mp4 I can run avconv -i video.mp4 video.ogg and it will convert this video....
Anonymous's user avatar
  • 183
3 votes
0 answers
429 views

Hue (tint, color) correction using avconv

I'm trying to make a demonstration of orange and blue color timing. I've been told I can do this in the YIQ domain by increasing the level of I and decreasing Q. So I want to take a video, rotate the ...
Damian Yerrick's user avatar