It is necessary to make changes to mpd to display advertising

[Zuldek1994822]

String generated by FFMPEG

<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" 
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd" 
             profiles="urn:mpeg:dash:profile:isoff-live:2011" 
             type="static" 
             mediaPresentationDuration="PT3M56.4S" 
             maxSegmentDuration="PT9.0S" 
             minBufferTime="PT24.8S">

Changes need to be made for the ad to work.

type="dynamic"  // Change from static to dynamic
availabilityStartTime="1970-01-01T00:00:00Z"  //Add
timeShiftBufferDepth="PT1M" //Add

I don't understand what value 'timeShiftBufferDepth' should have?
What should you look for? Am I doing the right thing by changing it manually? I don’t know if it’s possible to do this initially when encoding FFMPEG?