I am not aware of any "extra" avcodecs apt-get packages? If I check "show files" from fs_cli, "file,mp4,mod_av" is listed. and "show modules" lists "file,mp4,mod_av,/usr/lib/freeswitch/mod/mod_av.so" From: Michael Jerris <mike@jerris.com> To: FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org> Sent: Thursday, November 5, 2015 12:20 PM Subject: Re: [Freeswitch-users] writing to mp4 file not work is the avcodecs extras package installed? On Nov 5, 2015, at 10:27 AM, robert mundkowsky <rfmundkowsky@yahoo.com> wrote: Hi, I setup FreeSWITCH 1.6 on Debian Jessie using the apt-get modules. I have mod_av auto loaded. When I try to "auto-record" to record to a mp4 file in /etc/freeswitch/autoload_configs/conference.conf.xml. I get these errors: [ERR] avformat.c:411 Could not open audio codec: Experimental feature [ERR] conference_record.c:241 Error Opening File [{channels=2,samplerate=8000,vw=640,vh=480,fps=15.00}/var/lib/freeswitch/recordings/$1-10.61.82.56_2015-11-05-14-45-00.mp4] Do I need to compile FreeSWITCH from latest source to get this to work? _________________________________________________________________________ Professional FreeSWITCH Consulting Services: consulting@freeswitch.org http://www.freeswitchsolutions.com Official FreeSWITCH Sites http://www.freeswitch.org http://confluence.freeswitch.org http://www.cluecon.com FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org _________________________________________________________________________ Professional FreeSWITCH Consulting Services: consulting@freeswitch.org http://www.freeswitchsolutions.com Official FreeSWITCH Sites http://www.freeswitch.org http://confluence.freeswitch.org http://www.cluecon.com FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org