Duration Calculation (problem of truncating floating point value)

[seventhmoon]

=====SAMPLE M3U8=====

EXTM3U

EXT-X-TARGETDURATION:12

EXT-X-VERSION:3

EXT-X-MEDIA-SEQUENCE:0

EXT-X-PLAYLIST-TYPE:VOD

EXTINF:11.999988889,

bodhi_apps_elp_level_1_unit_1_1_0.ts

EXTINF:12.000000000,

bodhi_apps_elp_level_1_unit_1_1_1.ts

EXTINF:12.000000000,

bodhi_apps_elp_level_1_unit_1_1_2.ts

EXTINF:12.000000000,

bodhi_apps_elp_level_1_unit_1_1_3.ts

EXTINF:12.000000000,

bodhi_apps_elp_level_1_unit_1_1_4.ts

EXTINF:12.000011111,

bodhi_apps_elp_level_1_unit_1_1_5.ts

EXTINF:3.970000000,

bodhi_apps_elp_level_1_unit_1_1_6.ts

EXT-X-ENDLIST

From the above sample, the actual duration should be 75/76 second, but the player shows 74 second only. Which if the video is play to the end, it will shows 1:15, but the total duration is 1:14 incorrectly.