I'm trying to capture screen using xvfb + aconv. I''m using docker to run image. I've tried almost everything to make it working, different ubuntu images Debian Centos, different images from docker hub. My last build is simple ubuntu:trusty(14.04) image + xvfb + avconv
FROM ubuntu:trusty
RUN echo "deb http://ppa.launchpad.net/mozillateam/firefox-next/ubuntu trusty main" > /etc/apt/sources.list.d//mozillateam-firefox-next-trusty.list
RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CE49EC21
RUN apt-get update
RUN apt-get install -y firefox xvfb python-pip
RUN pip install selenium
RUN mkdir -p /root/selenium_wd_tests
#ADD sel_wd_new_user.py /root/selenium_wd_tests
ADD xvfb.init /etc/init.d/xvfb
RUN chmod +x /etc/init.d/xvfb
RUN update-rc.d xvfb defaults
I installed avcnov through apt-get then I run Xvfb
Xvfb -ac :99 -screen 0 1280x1024x24
and firefox Then I just run
avconv -f x11grab -r 25 -s 1280x1024 -i :99 -vcodec libx264 -threads 4 $HOME/output.avi
and nothing happens, avconv is stuck it doesn't starts capturing
avconv version 9.20-6:9.20-0ubuntu0.14.04.1, Copyright (c) 2000-2014 the Libav developers
built on Dec 7 2016 21:22:31 with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.3)
[x11grab @ 0x2189c60] device: :99 -> display: :99 x: 0 y: 0 width: 1280 height: 1024
Anybody please any advice, i've spent 4 days trying to make it work. Thanks.
So the only thing i should know about it all before start that ctrl+z doesn't brings tasks to background. That was my problem.