Article 56ZS5 How to use AV1 with ffmpeg/ssr?

How to use AV1 with ffmpeg/ssr?

by
slac
from LinuxQuestions.org on (#56ZS5)
I have seen at: https://slackware.uk/slackware/slack.../ChangeLog.txt that ssr has been added:

Code:# ...
xap/ssr-0.4.2-x86_64-1.txz: Added.... and I think one of the most used settings to use ssr is using MKV, H264 and Vorbis as a video container, codec and audio codec, respectively. Since we do not have h264 available as a codec for encoding video (by default in Slackware's ffmpeg package), only as a decoding codec, I was having on mind to use AV1/AOM: https://aomedia.googlesource.com/aom/ as encoding codec for videos. However, I do not know exactly how to use av1/aom and ssr both together.

I installed aom from SlackBuilds: https://slackbuilds.org/repository/14.2/multimedia/aom/ and then recompiled ffmpeg using the Slackware's template: https://slackware.uk/slackware/slack...peg.SlackBuild Obviously, I made some modifications to that template so I can enable libaom if I pass an argument when executing the SlackBuild.

The program ffmpeg now identifies libaom and ssr as well but just as I said earlier, I do not know how to use both of them together and get good results. It seems like I cannot play videos after recording them, they barely move and mplayer tells me that something is very slow, I can reproduce any other video with no problems, so it must be a problem using libaom and ssr. Any ideas?

Edit 1: There is a message spammed in ssr when recording:

Code:[matroska @ 0x1e44d80] Starting new cluster due to timestamplatest?d=yIl2AUoC8zA latest?i=oc0zNgufGqM:k6zXAcaQbFc:F7zBnMy latest?i=oc0zNgufGqM:k6zXAcaQbFc:V_sGLiP latest?d=qj6IDK7rITs latest?i=oc0zNgufGqM:k6zXAcaQbFc:gIN9vFwoc0zNgufGqM
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