Help Version 19.0.2017.10.27
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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.