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https://github.com/dolphin-emu/dolphin.git
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cf60a9a7f7
Unfortunately, it appears that using libusb's synchronous transfer API from several threads causes nasty race conditions in event handling and can lead to deadlocks, despite the fact that libusb's synchronous API is documented to be perfectly fine to use from several threads (only the manual polling functionality is supposed to require special precautions). Since usbdk was the only real reason for using a single libusb context and since usbdk (currently) has so many issues with Dolphin, I think dropping support for it in order to fix other backends is acceptable.
60 lines
2 KiB
C++
60 lines
2 KiB
C++
// Copyright 2017 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#ifdef __LIBUSB__
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#include <libusb.h>
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#endif
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#include "Common/CommonTypes.h"
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#include "Common/StringUtil.h"
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#include "Core/LibusbUtils.h"
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#include "UICommon/USBUtils.h"
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// Because opening and getting the device name from devices is slow, especially on Windows
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// with usbdk, we cannot do that for every single device. We should however still show
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// device names for known Wii peripherals.
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static const std::map<std::pair<u16, u16>, std::string> s_wii_peripherals = {{
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{{0x046d, 0x0a03}, "Logitech Microphone"},
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{{0x057e, 0x0308}, "Wii Speak"},
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{{0x057e, 0x0309}, "Nintendo USB Microphone"},
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{{0x057e, 0x030a}, "Ubisoft Motion Tracking Camera"},
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{{0x0e6f, 0x0129}, "Disney Infinity Reader (Portal Device)"},
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{{0x1430, 0x0100}, "Tony Hawk Ride Skateboard"},
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{{0x1430, 0x0150}, "Skylanders Portal"},
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{{0x1bad, 0x0004}, "Harmonix Guitar Controller"},
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{{0x1bad, 0x3110}, "Rock Band 3 Mustang Guitar Dongle"},
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{{0x1bad, 0x3430}, "Rock Band Drum Set"},
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{{0x21a4, 0xac40}, "EA Active NFL"},
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}};
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namespace USBUtils
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{
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std::map<std::pair<u16, u16>, std::string> GetInsertedDevices()
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{
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std::map<std::pair<u16, u16>, std::string> devices;
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#ifdef __LIBUSB__
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LibusbUtils::Context context;
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if (!context.IsValid())
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return devices;
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context.GetDeviceList([&](libusb_device* device) {
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libusb_device_descriptor descr;
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libusb_get_device_descriptor(device, &descr);
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const std::pair<u16, u16> vid_pid{descr.idVendor, descr.idProduct};
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devices[vid_pid] = GetDeviceName(vid_pid);
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return true;
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});
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#endif
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return devices;
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}
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std::string GetDeviceName(const std::pair<u16, u16> vid_pid)
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{
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const auto iter = s_wii_peripherals.find(vid_pid);
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const std::string device_name = iter == s_wii_peripherals.cend() ? "Unknown" : iter->second;
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return StringFromFormat("%04x:%04x - %s", vid_pid.first, vid_pid.second, device_name.c_str());
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}
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} // namespace USBUtils
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