Initializes Microsoft Media Foundation.
HRESULT MFStartup(
ULONG Version,
DWORD dwFlags
)
Version
Type: ULONG
Version number. Use the value MF_VERSION, defined in mfapi.h.
dwFlags
Type: DWORD
This parameter is optional when using C++ but required in C. The value must be one of the following flags:
| Value | Meaning |
|---|---|
| MFSTARTUP_NOSOCKET | Do not initialize the sockets library. |
| MFSTARTUP_LITE | Equivalent to MFSTARTUP_NOSOCKET. |
| MFSTARTUP_FULL | Initialize the entire Media Foundation platform. This is the default value when dwFlags is not specified. |
Type: HRESULT
The function returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
| S_OK | The method succeeded. |
| MF_E_BAD_STARTUP_VERSION | The Version parameter requires a newer version of Microsoft Media Foundation than the version that is running. |
| MF_E_DISABLED_IN_SAFEMODE | The Media Foundation platform is disabled because the system was started in “Safe Mode” (fail-safe boot). |
| E_NOTIMPL | Media Foundation is not implemented on the system. This error can occur if the media components are not present (See KB2703761 for more info). |
Refer to Media Foundation return codes.
An application must call this function before using Media Foundation. Before your application quits, call MFShutdown once for every previous call to MFStartup.
Do not call MFStartup or MFShutdown from work queue threads. For more information about work queues, see Work Queues.
Header: Declared in mfapi.h.
Library: Use mfplat.lib.