IWMDMDevice::GetFormatSupport

The GetFormatSupport method retrieves all the formats supported by the device, including codecs, file formats, and DRM schemes.

Syntax

HRESULT GetFormatSupport(
  _WAVEFORMATEX**  ppFormat,
  UINT*  pnFormatCount,
  LPWSTR**  ppwszMimeType,
  UINT*  pnMimeTypeCount
);

Parameters

ppFormat

[out] Pointer to an array of _WAVEFORMATEX structures containing information about codecs and bit rates supported by the device.

pnFormatCount

[out] Pointer to the number of elements in the ppFormat array.

ppwszMimeType

[out] Pointer to an array describing file formats and DRM schemes supported by the device.

pnMimeTypeCount

[out] Pointer to the number of elements in the ppwszMimeType array.

Return Values

If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.

Return code	Description
E_INVALIDARG	A parameter is invalid or a NULL pointer.
E_FAIL	An unspecified error occurred.

Remarks

Memory for the ppFormat and ppwszMimeType parameters is allocated by this method and must be freed by the caller using CoTaskMemFree, a standard Win32 function.

See Also

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