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Showing content from https://docs.microsoft.com/en-us/windows/win32/medfound/mf-mt-aac-payload-type below:

MF_MT_AAC_PAYLOAD_TYPE attribute (Mfapi.h) - Win32 apps

MF_MT_AAC_PAYLOAD_TYPE attribute

In this article

Specifies the payload type of an Advanced Audio Coding (AAC) stream.

Data type

UINT32

The following values are possible.

Value Meaning

0

The stream contains raw_data_block elements only.

1

Audio Data Transport Stream (ADTS). The stream contains an adts_sequence, as defined by MPEG-2.

2

Audio Data Interchange Format (ADIF). The stream contains an adif_sequence, as defined by MPEG-2.

3

The stream contains an MPEG-4 audio transport stream with a synchronization layer (LOAS) and a multiplex layer (LATM).
Get/set

To get this attribute, call IMFAttributes::GetUINT32.

To set this attribute, call IMFAttributes::SetUINT32.

Applies To

IMFMediaType

MF_MT_AAC_PAYLOAD_TYPE is optional. If this attribute is not specified, the default value 0 is used, which specifies the stream contains raw_data_block elements only.

Applies only to MFAudioFormat_AAC.

The GUID constant for this attribute is exported from mfuuid.lib.

Requirements Requirement Value Header

Mfapi.h