IMFSourceReader::ReadSample() does not always report the same timestamps under W10+

Here is an example (I can provide the source code)

Under W7, the timestamps are the same. Under W10, they are not.

initalizing MSMF...
opening <test.avi>...
create media source from byte stream...
SUCCESS!!!
parse sample timestamps with native media type
[0,500050,1000100,1500150,2000200,2500250,3000300,3500350,4000400,4500450,5000500,5500550,6000600,6500650,7000700,7500750,8000800,8500850,9000900,9500950,10001000,10501050,11001100,11501150,12001200,12501250,13001300,13501350,14001400,14501450,15001500,15501550,16001600,16501650,17001700,17501750,18001800,18501850,19001900,19501950,20002000,20502050,21002100,21501650,22001700,22501750,23001800,23501850,24001900,24501950,25002000,25502050,26002100,26502150,27002200,27502250,28002300,28502350,29002400,29502450,30002500,30502550,31002600,31502650,32002700,32502750,33002800,33502850,34002900,34502950,35003000,35503050,36003100,36503150,37003200,37503250,38003300,38503350,39003400,39503450,40003500,40503550,41003600,41503650,42003700,42503250,43003300,43503350,44003400,44503450,45003500,45503550,46003600,46503650,47003700,47503750,48003800,48503850,49003900,49503950,50004000,50504050,51004100,51504150,52004200,52504250,53004300,53504350,54004400,54504450,55004500,55504550,56004600,56504650,57004700,57504750,58004800,58504850,59004900,59504950,60005000,60505050,61005100,61505150,62005200,62505250,63005300,63504850,64004900,64504950,65005000,65505050,66005100,66505150,67005200,67505250,68005300,68505350,69005400,69505450,70005500,70505550,71005600,71505650,72005700,72505750,73005800,73505850,74005900,74505950,0,0,]
parse sample timestamps with MFVideoFormat_NV12 subType media type
[0,500040,1000080,1500120,2000160,2500200,3000240,3500280,4000320,4500360,5000400,5500440,6000480,6500520,7000560,7500600,8000640,8500680,9000720,9500760,10000800,10500840,11000880,11500920,12000960,12501000,13001040,13501080,14001120,14501160,15001200,15501240,16001280,16501320,17001360,17501400,18001440,18501480,19001520,19501560,20001600,20501640,21001680,21501720,22001760,22501800,23001840,23501880,24001920,24501960,25002000,25502040,26002080,26502120,27002160,27502200,28002240,28502280,29002320,29502360,30002400,30502440,31002480,31502520,32002560,32502600,33002640,33502680,34002720,34502760,35002800,35502840,36002880,36502920,37002960,37503000,38003040,38503080,39003120,39503160,40003200,40503240,41003280,41503320,42003360,42503400,43003440,43503480,44003520,44503560,45003600,45503640,46003680,46503720,47003760,47503800,48003840,48503880,49003920,49503960,50004000,50504040,51004080,51504120,52004160,52504200,53004240,53504280,54004320,54504360,55004400,55504440,56004480,56504520,57004560,57504600,58004640,58504680,59004720,59504760,60004800,60504840,61004880,61504920,62004960,62505000,63005040,63505080,64005120,64505160,65005200,65505240,66005280,66505320,67005360,67505400,68005440,68505480,69005520,69505560,70005600,70505640,71005680,71505720,72005760,72505800,73005840,73505880,74005920,74505960,0,0,]
Hit <Enter> to continue...