The default handling of SCTE 35 by MediaLive is the following:
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No passthrough – Remove SCTE 35 messages in any data stream outputs. There is one exception: for MediaPackage outputs, passthrough is always enabled.
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No blanking or blackout – Do not blank out video content for any events. Leave the content as is.
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No manifest decoration – Do not convert any SCTE 35 messages to event information in any output manifests or data streams. There is one exception: for MediaPackage outputs, manifest decoration is always enabled and can't be disabled.
If this is the behavior that you want, you don't need to read any further in this SCTE 35 section.
Typically, you change these defaults only if you want to include ad avail information in the channel outputs. The following are examples of when you change the defaults
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You enable passthrough.
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You enable manifest decoration, if your channel includes HLS, MediaPackage, or Microsoft Smooth output groups.
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You blank or blackout video content depending on your agreement with the content provider.
