IMFMediaEngineExtension::CanPlayType method (mfmediaengine.h)

Queries whether the object can load a specified type of media resource.

Syntax

HRESULT CanPlayType(
  [in]  BOOL                    AudioOnly,
  [in]  BSTR                    MimeType,
  [out] MF_MEDIA_ENGINE_CANPLAY *pAnswer
);

Parameters

[in] AudioOnly

If TRUE, the Media Engine is set to audio-only mode. Otherwise, the Media Engine is set to audio-video mode.

[in] MimeType

A string that contains a MIME type with an optional codecs parameter, as defined in RFC 4281.

[out] pAnswer

Receives a member of the MF_MEDIA_ENGINE_CANPLAY enumeration.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

Implement this method if your Media Engine extension supports one or more MIME types.

Requirements

See also

IMFMediaEngineExtension