Using avconv (or even ffmpeg, so I can use as a reference), how can I create a time lapse video by taking only anchor/reference frames from another video? Most information I find is on how to creat...

First, I have almost zero experience in making videos from images. What I have is a set of BMP timestamped images from which I want to generate a video. Since the timestamps are not equally spaced...

Is there any way howto create an infinite h264 stream from a video file (eg. mp4, avi, ...). I'd like to use ffmpeg to transcode avi file to h264 but there's no loop option for output.

I installed ffmpeg 0.8.9 on ubuntu11 by ./configure --enable-gpl --enable-nonfree --enable-pthreads --enable-libfaac --enable-libmp3lame --enable-libx264 When I run it ffmpeg -y -i test.mp4...

I have several chunks in folder. 0001.mp4 0002.mp4 0003.mp4 ... 0112.mp4 I would like to merge them into full.mp4 I tried to use: avconv -f concat -i <(printf "file '%s'\n" /root/chunk/*.mp...

I'm having no luck install libav on OS X Mavericks. Ive tried everything. I'm following this guide: http://earthwithsun.com/questions/568464/install-latest-libav-avconv-on-osx After doing the mac...

I would like to use avconv to convert a series of PNG images to a WebM video, preserving transparency. I understand that the pixel format used in the output video must support transparency. So I t...

I'm looking for a way to rotate videos shot with my Nexus 4 on my Debian Wheezy sytem. The videos are shot in portrait mode and I would like to rotate them to landscape mode. Preferably the rotatio...

I am using an HTML5 video tag as follows: <video playsInline muted autoPlay className='video' preload='auto' loop='loop'> <source src="intro-m-no-audio.mp4" type='video/mp4' /> <...

Ubuntu 12.04 nginx 1.2.4 avconv -version avconv version 0.8.10-4:0.8.10-0ubuntu0.12.04.1, Copyright (c) 2000-2013 the Libav developers built on Feb 6 2014 20:56:59 with gcc 4.6.3 avconv 0.8.10-...

im working in a file broadcasting method using mpeg2-ts and ISDB-T ( Integrated Services Digital Broadcasting - Terrestial), My problem is that im not being able to to put a file into the data stre...

I'm looking for a way to generate proper fragmented *.mp4 files for MediaSourceExtension (Chrome). I tried out the example from here: http://people.mozilla.org/~jyavenard/tests/mse_mp4/paper.html ...

I have multiple mkv files in a ubuntu directory.I have installed 'avconv' tool and its working fine. My aim is to simple concatenate all those files and produce a single mkv file. I referenced so m...

See FINAL EDIT. I need to capture the second monitor and show in main display in a small window. I don't need quality, but performance. So, the (working) command to capture second monitor of 1280...

how do I convert an animated gif to a video (e.g. h264@mp4) programmatically on a linux server? I need this to process user generated content which should be output as several defined video format...

I am testing out concating mp4 files together and have come across one way to do it that is working but is creating huge file sizes. my original videos are mp4 and I started out trying to convert...

I am trying to overlay multiple videos in a split screen, with different offset (Audio, video both offset), initially I tried offsetting & overlaying like following avconv -i 1.webm -itsoffset...

I have a piece of code that takes a stream of images and writes them to a file using x264 to encode and avconv. The relevant bits are as follows // Setup encoder sprintf(cmd, "avconv -i pipe: -vco...

This is the procedure I know to convert a DVD image to another videoformat (v.g. MP4): concatenate the VTS_01_n.VOB files inside VIDEO_TS folder (for n >= 0) into a single VOB file. use avconv or...

I'm currently writing a command line tool to convert a input music library with various formats (flac / ogg / mp3 / ...) to an output music library of a given format (flac / ogg / mp3). I've based ...

I am trying to make a bunch of png's into a video using avconv, the png's are numbered like filename_<number> so I usually just use the command: avconv -r 10 -i filename_%d.png -b:v 1000k t...

Looking at the avconv website there seem to be a vast array of options to convert video. However, I'm getting lost in all the technical detail. Is there a simple way to convert a .mov to a .mp4 (...

I'm trying to animate a series of jpg files using avconv. Based on numerous examples, I'm trying using %d.jpg to specify the files. Or %05d.jpg. However, I'm getting: avconv -i %d.jpg a.avi avconv...