SoundCtrl_SetMix (changes)
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SoundControl
» SWI Calls
» SoundCtrl_SetMix
SoundCtrl_SetMix
(SWI &50001)
| Entry | |
|---|---|
| R0 | Mixer system |
| R1 | Category |
| R2 | Index within category |
| R3 | 1 = mute, 0 = unmute |
| R4 | Gain in units of 1/16dB |
| Exit | |
|---|---|
| - | All registers preserved |
Use
This SWI is used to alter the volume settings of a specific mixer channel.
Notes
R0 can either be a pointer to a null/control-terminated audio controller device ID string (as returned bySound_EnumerateDevices?Sound_EnumerateControllers or 0 (NULL ) to refer to the mixer for the current default audio controller. device.
Gain is specified in units of 1/16dB, so for example -16 corresponds to -1dB.
See also
- *MixVolume
- SoundCtrl_ExamineMixer
- SoundCtrl_GetMix
Sound_EnumerateDevices?Sound_EnumerateControllers
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