ios - Panframe Sdk: forword video using "playWithSeekTo:onKeyFrame:" Method? -

here sending code player view of panframe sdk

 cmtime t = [pfasset getplaybacktime];  cmtime seekingcm = cmtimemake(t.value+10000000, t.timescale);  [pfview run];  //[pfasset stop];  [pfasset playwithseekto:seekingcm onkeyframe:yes];   slider.value = cmtimegetseconds(t);  [pfasset play];return; 

please advise how work.