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Questions tagged [avconv]

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

avconv is the video and audio converter from Libav (which is packaged in Ubuntu as libav-tools). Full description of its usage and options can be seen here:

165 questions
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How can I create a video file from a set of jpg images?

I am attempting to create a video file from a set of JPG images. I have adapted the instructions given in this question but have experienced some issues. Firstly, not all of the required packages are available, but are replaced by libav-tools,…
Carl H
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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 have read the How do I convert .ts files into…
lacton
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4 answers

How do you install avconv on Ubuntu Server 13.04?

I've searched and searched, but I can't find anything, besides compiling it, which gives me an error about ASM.
user3079344
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27
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5 answers

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 for my iPod and Fiio X5 Mk2. #!/bin/bash cdparanoia…
markrich
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27
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3 answers

How to replace avconv with (the real) ffmpeg and have it work right?

UPDATE (original text preserved below) With the real ffmpeg about to return (in 15.04), Jon Severinsson's PPA no longer working (for ffmpeg), and both avconv-ffmpeg (now called "libav") and the real ffmpeg (now back to just "ffmpeg") dropped from…
u2n
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26
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2 answers

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? They are mp4s encoded in H.264 and MPEG-4 AAC and…
quantumbutterfly
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25
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5 answers

How can I rotate video by 180 degrees with avconv

I'd like to rotate video (mp4) by 180 degrees, but not flip. Is it possible to do it with avconv?
sobi
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24
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3 answers

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 it will somehow still encode the video and I get…
Turtlepurple
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24
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3 answers

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 the overwhelming amount of switches to use, I can't…
leetbacoon
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6 answers

how to convert avi (xvid) to mkv or mp4 (h264)

Very noob when it comes to video. I'm trying to make sense of what I"m finding via Google... but its mostly Greek to me. I have a bunch of Avi files that won't play in my WD TV Play box. Mediainfo tells me they are xvid. Specs for the box show…
bcsteeve
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4 answers

Avconv warning while downloading YouTube video

I received this warning: Your copy of avconv is outdated, update avconv to version 10-0 or newer if you encounter any errors. while downloading a YouTube video with youtube-dl -f 137+140. I am using kubuntu 14.04. What should I do to get rid of…
Bodhoday Mukherjee
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18
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3 answers

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 command by the following : sudo apt-get install…
YellowishLight
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17
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5 answers

How to change the framerate of a video without reencoding

I'm trying to change the framerate of an MP4 video (it's a 120fps GoPro video, I want to play it back at 30fps for a slow-motion effect). I'm using avconv for this: avconv -i SourceMovie.mp4 -vf setpts=4.0*PTS -r 30 DestMovie.mp4 That technically…
EboMike
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2 answers

How drop an audio stream using avconv?

How do I Drop audio from a MKV with DTS encoding? I am using this command avconv -i Movie.mkv -c:v copy movie.mp4. I know the command would include the codec command but I don't know how to use it.
cmacia06
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4 answers

Batch extract audio with avconv without transcoding

I have about 70 mp4 files, and I want to extract the audio files directly without transcoding further. All the mp4 files have aac audio files. I understand I can use the following command to extract the audio file from one of the mp4 files: avconv…
oshirowanen
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