---
UID: NE:codecapi.eAVEncMPALayer
title: eAVEncMPALayer (codecapi.h)
description: Specifies the MPEG audio layer. This enumeration is used with the AVEncMPALayer property.
old-location: dshow\eavencmpalayer.htm
tech.root: DirectShow
ms.assetid: dbe5c4ac-15c8-443b-a344-a9d529ed841f
ms.date: 12/05/2018
ms.keywords: codecapi/eAVEncMPALayer, codecapi/eAVEncMPALayer_1, codecapi/eAVEncMPALayer_2, codecapi/eAVEncMPALayer_3, dshow.eavencmpalayer, eAVEncMPALayer, eAVEncMPALayer enumeration [DirectShow], eAVEncMPALayerEnumeration, eAVEncMPALayer_1, eAVEncMPALayer_2, eAVEncMPALayer_3
f1_keywords:
- codecapi/eAVEncMPALayer
dev_langs:
- c++
req.header: codecapi.h
req.include-header: 
req.target-type: Windows
req.target-min-winverclnt: Windows 2000 Professional [desktop apps \| UWP apps]
req.target-min-winversvr: Windows 2000 Server [desktop apps \| UWP apps]
req.kmdf-ver: 
req.umdf-ver: 
req.ddi-compliance: 
req.unicode-ansi: 
req.idl: 
req.max-support: 
req.namespace: 
req.assembly: 
req.type-library: 
req.lib: 
req.dll: 
req.irql: 
topic_type:
- APIRef
- kbSyntax
api_type:
- HeaderDef
api_location:
- codecapi.h
api_name:
- eAVEncMPALayer
targetos: Windows
req.typenames: 
req.redist: 
ms.custom: 19H1
---

# eAVEncMPALayer enumeration


## -description



Specifies the MPEG audio layer. This enumeration is used with the <a href="https://docs.microsoft.com/windows/desktop/DirectShow/avencmpalayer-property">AVEncMPALayer</a> property.




## -enum-fields




### -field eAVEncMPALayer_1

MPEG Audio Layer-1.


### -field eAVEncMPALayer_2

MPEG Audio Layer-2.


### -field eAVEncMPALayer_3

MPEG Audio Layer-3.


## -see-also




<a href="https://docs.microsoft.com/windows/desktop/DirectShow/codec-api-enumerations">Codec API Enumerations</a>



<a href="https://docs.microsoft.com/windows/desktop/api/strmif/nn-strmif-icodecapi">ICodecAPI Interface</a>
 

 

