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API > API/Plugins > API/Plugins/MP4Muxer > API/Plugins/MP4Muxer/IMP4RawMuxer
Defines an entry in the sample request array the registered `FRequestTrackDataDelegate_ provides indicating for which track(s) another sample is needed before a new chunk (a group of samples) can be written.
| Name | FSampleRequest |
| Type | struct |
| Header File | /Engine/Plugins/Media/MP4Utilities/Source/MP4Muxer/Public/MP4Muxer.h |
| Include Path | #include "MP4Muxer.h" |
Syntax
struct FSampleRequest
Variables
Public
| Name | Type | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|---|
| SampleNumber | uint32 | MP4Muxer.h | ||
| TrackIndex | int32 | MP4Muxer.h |