IAMAudioInputMixer::put_MixLevel
| Microsoft DirectShow 9.0 |
IAMAudioInputMixer::put_MixLevel
The put_MixLevel method sets the recording level for this input.
Syntax
HRESULT put_MixLevel( double Level );
Parameters
Level
[in] Specifies the recording level. The following values are possible.
| Value | Description |
| 0.0 to 1.0 | Zero indicates that the recording level is off; the value 1.0 indicates that the recording level is at full volume. Intermediate values are also allowed. |
| AMF_AUTOMATICGAIN | Enable automatic adjustment of the recording level. |
Return Values
Returns an HRESULT value. Possible values include the following.
| Return code | Description |
| S_OK | Success. |
| E_NOTIMPL | This filter does not support the AMF_AUTOMATICGAIN flag. |
| E_INVALIDARG | Invalid argument. |
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also