References ▼
The following attributes are supported by the LEAD Audio Volume Transform through the IMFAttributes interface.
| Data type | Attribute CLSID | Description |
|---|---|---|
| UINT32 (int) | LMF_VOLUME_AMPLITUDE | Sets or gets sound stream volume. |
| UINT32 (BOOL) | LMF_VOLUME_MUTE | Sets or gets mute volume option. |
| UINT32 (long) | LMF_VOLUME_NUMCHANNELS | Number of audio channels of the current media format. |
For more information on how to use the Transform Attributes, refer to Using Media Foundation Transform Attributes.