What kind of driver model are you using? WavePCI? AVStream? -----Original Message----- From: wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of small.chang@xxxxxxxxx Sent: Wednesday, October 19, 2005 11:47 PM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] Can't Resiter Driver to "Audio Caputr Sources" Hi all : I have developed an audio driver now . I can add the driver to "WDM Streaming Capture Devices" category . But I can't add the driver to "Audio Capture Sources" . I have set the data in INF file AddInterface=%KSCATEGORY_AUDIO%,GLOBAL,AUD_Interface, AddInterface=%KSCATEGORY_CAPTURE%,GLOBAL,AUD_Interface, KSCATEGORY_AUDIO = "{6994AD04-93EF-11D0-A3CC-00A0C9223196}" KSCATEGORY_CAPTURE= "{65E8773D-8F56-11D0-A3B9-00A0C9223196}" and code for Categories in KSTOPOLOGY static const GUID Categories[] = { {STATIC_KSCATEGORY_AUDIO}, {STATIC_KSCATEGORY_CAPTURE} }; #define NUMBER_OF_CATEGORIES SIZEOF_ARRAY (Categories) static KSTOPOLOGY Topology = { NUMBER_OF_CATEGORIES, (GUID*) &Categories, 0, NULL, 0, NULL, NULL, 0, }; But I still can't see the driver in "Audio Capture Sources" . I haven't implement "AudioInputMixer" , Is that will be problem ?? Can anyone please explain me how I can do it? thanks and regards. Small Chang ****************** 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.com/ ****************** 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.com/