HTTP Live stream chunk plays twice

HTTP Live stream chunk plays twice

i have a strange problem in playing a live stream (live playlist) through
HLS.
i have a camera from where i get pure H364 raw chunks ( each of one
second) and m converting them to .ts and then creating playlist.
while playing playlist in iPhone/iPad each chunk is playing twice ( eg, if
person enters then in video he enters twice)
i went through fiddler logs, client is downloading the clip only once and
there is no duplicate chunks.
not sure what is the problem. please help me if you have any ideas.
my playlist looks like this.
#EXTM3U
#EXT-X-ALLOW-CACHE:NO
#EXT-X-TARGETDURATION:1
#EXT-X-VERSION:3
#EXT-X-MEDIA-SEQUENCE:2731
#EXTINF:1,
segment-2732.ts
#EXTINF:1,
segment-2733.ts
#EXTINF:1,
segment-2734.ts