1 /* 2 * libjingle 3 * Copyright 2012 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "talk/media/devices/deviceinfo.h" 29 30 namespace cricket { 31 32 bool GetUsbId(const Device& device, std::string* usb_id) { 33 // Both PID and VID are 4 characters. 34 const int id_size = 4; 35 if (device.id.size() < 2 * id_size) { 36 return false; 37 } 38 39 // The last characters of device id is a concatenation of VID and then PID. 40 const size_t vid_location = device.id.size() - 2 * id_size; 41 std::string id_vendor = device.id.substr(vid_location, id_size); 42 const size_t pid_location = device.id.size() - id_size; 43 std::string id_product = device.id.substr(pid_location, id_size); 44 45 usb_id->clear(); 46 usb_id->append(id_vendor); 47 usb_id->append(":"); 48 usb_id->append(id_product); 49 return true; 50 } 51 52 bool GetUsbVersion(const Device& device, std::string* usb_version) { 53 return false; 54 } 55 56 } // namespace cricket 57
