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Windows: opt into the libusb UsbDk backend at init (parity with libfreenect2) #701

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Windows: opt into the libusb UsbDk backend at init (parity with libfreenect2) #701

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9 changes: 9 additions & 0 deletions src/usb_libusb10.c
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Original file line number Diff line number Diff line change
Expand Up @@ -258,6 +258,15 @@ FN_INTERNAL int fnusb_init(fnusb_ctx *ctx, freenect_usb_context *usb_ctx)
if (!usb_ctx) {
res = libusb_init(&ctx->ctx);
if (res >= 0) {
#if defined(_WIN32) || defined(__WIN32__) || defined(__WINDOWS__)
// Mirrors libfreenect2 (libfreenect2.cpp): on Windows, ask
// libusb to use the UsbDk backend so the Kinect can be
// reached without forcing the user to replace the device's
// driver via Zadig+libusbK. With UsbDk installed, libusb can
// attach to the device even when another driver (e.g. the
// Microsoft Kinect SDK driver) currently owns it.
(void)libusb_set_option(ctx->ctx, LIBUSB_OPTION_USE_USBDK);
#endif
ctx->should_free_ctx = 1;
return 0;
} else {
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