Stephan Kappertz wrote: > Did you set the speaker layout for your device to 7.1 in Control Panel | > Sounds and Audio Device Properties | Advanced Audio Properties ? > No, I can't. The 'Advanced' button is grayed out. > WinDVD checks this property and disables/enables multichannel support based > on the entry. The default value for this property is stereo, no matter how > many channels your device has. > Ok, so it looks that's the problem.... > Moreover if you support this property in your minidriver, you might be > handling it incorrectly, making Windows believe that you don't support > anything else than KSAUDIO_SPEAKER_STEREO. > Could it be because I do not have the topology part of the miniport? I thought I would not need it as my device has no mixing and volume control on it. Regards, Bart ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.de/