Fix segment collection end timestamp calculation #102
Merged
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When collecting a CMAF segment we are trying to collect the amount of samples whose total duration will exceed certain threshold. Previously the decision was purely based on the end timestamp that took into account only the last sample's DTS while we also need to take into account the sample duration. When the sample duration is pretty small (duration of a single sample e.g. 16ms) the problem was not visible, but when we take into consideration frame gaps between video frames (e.g. 2 seconds) this caused huge mismatches between e.g. audio and video segment durations.