Type | Name | Description |
---|---|---|
int | Amplitude | Sets or gets sound stream volume. |
VARIANT_BOOL | Mute | Sets or gets mute volume option. |
long | NumChannels | Number of audio channels of the current media format. |
Writes transform settings to the registry. This method will force the transform to save its settings to the registry before its released.
If the transform has no settings to write to the registry, E_NOTIMPL is returned.
S_OK if successful, < 0 if an error occurred.
Resets volume transform options values to the default values.
S_OK if successful, < 0 if an error occurred.
Loads transform settings from the registry. The Media Foundation transforms import the settings from the registry only at creation time. This method will force the transform to re-load its settings from the registry. If the transform has no settings to load from the registry, E_NOTIMPL is returned.
S_OK if successful, < 0 if an error occurred.