# per stream enabling of LiveStreamPacketizers, HTTPStreamers

**URL:** <https://community.wowza.com/t/per-stream-enabling-of-livestreampacketizers-httpstreamers/39851>\
**Category:** Wowza Streaming Engine\
**Created:** [April 23, 2013, 5:06pm UTC](https://community.wowza.com/t/per-stream-enabling-of-livestreampacketizers-httpstreamers/39851 "2013-04-23T17:06:05Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Jim\_Bolino](https://avatars.discourse-cdn.com/v4/letter/j/a587f6/32.png) [@Jim\_Bolino](https://community.wowza.com/u/Jim_Bolino)\
**Post date:** [April 23, 2013, 5:06pm UTC](https://community.wowza.com/t/per-stream-enabling-of-livestreampacketizers-httpstreamers/39851/1 "2013-04-23T17:06:05Z")

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Hi,

I’m trying to connect a lot of rtsp streams, from ip cameras on one server.

There was a notable increase in cpu usage when enabling “dvrstreamingpacketizer, cupertinostreamingpacketizer, sanjosestreamingpacketizer”.

With only 10 incoming streams.

My intention is to offer a flash client to all users, and a cupertino stream to a select few (iOS) users.

When a user is not watching the http stream, I would like to be able to stop the unnecessary “packetizing” of the stream.

So my question is: is it possible to enable or disable (via an api call) certain Packetizers for certain streams?

The same question for “HTTPStreamers”, although I don’t know if they consume resources, when no clients are connected.

Kind regards, Jim

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**Author:** ![Jim\_Bolino](https://avatars.discourse-cdn.com/v4/letter/j/a587f6/32.png) [@Jim\_Bolino](https://community.wowza.com/u/Jim_Bolino)\
**Post date:** [May 6, 2013, 11:20am UTC](https://community.wowza.com/t/per-stream-enabling-of-livestreampacketizers-httpstreamers/39851/2 "2013-05-06T11:20:29Z")

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i guess this is not possible?

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**Author:** ![Richard\_Lanham](https://avatars.discourse-cdn.com/v4/letter/r/c68b51/32.png) [@Richard\_Lanham](https://community.wowza.com/u/Richard_Lanham)\
**Post date:** [May 6, 2013, 1:52pm UTC](https://community.wowza.com/t/per-stream-enabling-of-livestreampacketizers-httpstreamers/39851/3 "2013-05-06T13:52:14Z")

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There is IMediaStream.setLiveStreamPacketizer() or IMediaStream.setLiveStreamPacketizerList() but I think these would have to be used per incoming live stream, and you would have to do it in an override of the publish command.

I think setting IMediaStream.setLiveStreamPacketizer("") to empty string should turn off live stream packetizers,

Richard

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**Author:** ![Andrew\_Kennedy1](https://avatars.discourse-cdn.com/v4/letter/a/278dde/32.png) [@Andrew\_Kennedy1](https://community.wowza.com/u/Andrew_Kennedy1)\
**Post date:** [May 6, 2013, 2:57am UTC](https://community.wowza.com/t/per-stream-enabling-of-livestreampacketizers-httpstreamers/39851/4 "2013-05-06T02:57:46Z")

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Hi,

It is not possible to turn it on/off once the stream has started. You can do it at the point of starting a stream, but after that point it can not be selectively done.

Andrew.

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**Author:** ![Jim\_Bolino](https://avatars.discourse-cdn.com/v4/letter/j/a587f6/32.png) [@Jim\_Bolino](https://community.wowza.com/u/Jim_Bolino)\
**Post date:** [May 6, 2013, 12:14pm UTC](https://community.wowza.com/t/per-stream-enabling-of-livestreampacketizers-httpstreamers/39851/5 "2013-05-06T12:14:16Z")

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ok, but how do i turn them on/off per stream then?