Param (for ffmpeg?) to start an HLS/m3u8 playlist at a specific time

I have an addon which can play a video from a m3u8 url. If I stop the video and try to play it again, Kodi allows me to choose whether it will start from the beginning or start from where I’ve stopped. Can i do the same thing programmatically from python? I.e I’m already passing a cookie like this: