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
GetUsbId(const Device & device,std::string * usb_id)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
GetUsbVersion(const Device & device,std::string * usb_version)52 bool GetUsbVersion(const Device& device, std::string* usb_version) {
53 return false;
54 }
55
56 } // namespace cricket
57