IMFMediaSource::CreatePresentationDescriptor Method

Retrieves a copy of the media source’s presentation descriptor. Applications use the presentation descriptor to select streams and to get information about the source content.

Syntax

public:
HRESULT CreatePresentationDescriptor(
         _Outptr_ IMFPresentationDescriptor **ppPresentationDescriptor
)

Parameters

ppPresentationDescriptor
Type: Outptr IMFPresentationDescriptor **

Receives a pointer to the presentation descriptor’s IMFPresentationDescriptor interface. The caller must release the interface.

Return value

Type: HRESULT

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return codes

Return code	Description
S_OK	The method succeeded.
MF_E_SHUTDOWN	The media source’s Shutdown method has been called.

Refer to Media Foundation return codes.

Remarks

The presentation descriptor contains the media source’s default settings for the presentation. The application can change these settings by selecting or deselecting streams, or by changing the media type on a stream. Do not modify the presentation descriptor unless the source is stopped. The changes take affect when the source’s IMFMediaSource::Start method is called.

Requirements

Header: Declared in mfidl.h.

Library: Use mfuuid.lib.