macdeviceinfo.cc revision 28e20752806a492f5a6a5d343c02f9556f39b1cd
128e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org/* 228e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * libjingle 328e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * Copyright 2012 Google Inc. 428e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * 528e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * Redistribution and use in source and binary forms, with or without 628e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * modification, are permitted provided that the following conditions are met: 728e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * 828e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * 1. Redistributions of source code must retain the above copyright notice, 928e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * this list of conditions and the following disclaimer. 1028e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * 2. Redistributions in binary form must reproduce the above copyright notice, 1128e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * this list of conditions and the following disclaimer in the documentation 1228e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * and/or other materials provided with the distribution. 1328e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * 3. The name of the author may not be used to endorse or promote products 1428e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * derived from this software without specific prior written permission. 1528e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * 1628e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 1728e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 1828e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 1928e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2028e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2128e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 2228e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 2328e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 2428e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 2528e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2628e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org */ 2728e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org 2828e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org#include "talk/media/devices/deviceinfo.h" 2928e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org 3028e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.orgnamespace cricket { 3128e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org 3228e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.orgbool GetUsbId(const Device& device, std::string* usb_id) { 3328e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org // Both PID and VID are 4 characters. 3428e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org const int id_size = 4; 3528e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org if (device.id.size() < 2 * id_size) { 3628e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org return false; 3728e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org } 3828e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org 3928e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org // The last characters of device id is a concatenation of VID and then PID. 4028e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org const size_t vid_location = device.id.size() - 2 * id_size; 4128e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org std::string id_vendor = device.id.substr(vid_location, id_size); 4228e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org const size_t pid_location = device.id.size() - id_size; 4328e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org std::string id_product = device.id.substr(pid_location, id_size); 4428e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org 4528e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org usb_id->clear(); 4628e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org usb_id->append(id_vendor); 4728e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org usb_id->append(":"); 4828e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org usb_id->append(id_product); 4928e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org return true; 5028e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org} 5128e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org 5228e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.orgbool GetUsbVersion(const Device& device, std::string* usb_version) { 5328e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org return false; 5428e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org} 5528e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org 5628e20752806a492f5a6a5d343c02f9556f39b1cdhenrike@webrtc.org} // namespace cricket 57