Re: libusbk filter driver on win7 x64bit

On Fri, Feb 26, 2016 at 11:22 AM, 若水 <[email protected]> wrote:
>>       I have an USB Audio device (win7 x64bit system). It uses system
>> internal driver (usbaudio.sys) and works well.
>>       Now, I need to add some new functions. I tried to install libusbk
>> driver and run my new functions program. The new functions work well. But
>> there is a problem, after I installed libusbk driver, the device will NOT be
>> an USB Audio device. In order to solve the problem, I have to uninstall the
>> libusbk driver and install libusbk FILTER driver. At that time, the USB
>> Audio device works well. However, the new functions program cannot work. I
>> debugged new functions program and found that UsbK_IsoWritePipe failed. The
>> error code is 1168 (Element not found). Could you give me some instructions
>> to solve the problems? Thanks.
>>
>      I am very sorry. In the last mail, UsbK_IsoWritePipe  error code is 87
> (the parameter is incorrect), not 1168. Could you help me to solve the
> problem? Thanks.
>

I think you'd better forget about the libusb-win32 filter driver. It may
or may not work. If it works that is good. If it does not, we will not
support it.


-- 
Xiaofan

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