# CalculateChunkIDBasedOnTimecode

**URL:** <https://community.wowza.com/t/calculatechunkidbasedontimecode/470>\
**Category:** Wowza Streaming Engine\
**Created:** [May 22, 2015, 1:25pm UTC](https://community.wowza.com/t/calculatechunkidbasedontimecode/470 "2015-05-22T13:25:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![system](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/system/32/447_2.png) [@system](https://community.wowza.com/u/system)\
**Post date:** [May 22, 2015, 1:25pm UTC](https://community.wowza.com/t/calculatechunkidbasedontimecode/470/1 "2015-05-22T13:25:17Z")

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Could anyone let me know how to use this please. So far I have

LiveStreamPacketizer --\> Properties

cupertinoCalculateChunkIDBasedOnTimecode

true

Boolean

CalculateChunkIDBasedOnTimecode

true

Boolean

I stop the encoder, wait 30 seconds, restart the encoder and the chunkIDs just carry on from where they left off rather then leave a whole in the DVR window as expected.

Is this expected behaviour?

latest version of wowza.

Thanks,

Joe