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 const char vid[] = "vid_"; // Also contains '\0'.
36 const size_t vid_location = device.id.find(vid);
37 if (vid_location == std::string::npos ||
38 vid_location + sizeof(vid) - 1 + id_size > device.id.size()) {
39 return false;
40 }
41 const char pid[] = "pid_";
42 const size_t pid_location = device.id.find(pid);
43 if (pid_location == std::string::npos ||
44 pid_location + sizeof(pid) - 1 + id_size > device.id.size()) {
45 return false;
46 }
47 std::string id_vendor = device.id.substr(vid_location + sizeof(vid) - 1,
48 id_size);
49 std::string id_product = device.id.substr(pid_location + sizeof(pid) -1,
50 id_size);
51 usb_id->clear();
52 usb_id->append(id_vendor);
53 usb_id->append(":");
54 usb_id->append(id_product);
55 return true;
56 }
57
GetUsbVersion(const Device & device,std::string * usb_version)58 bool GetUsbVersion(const Device& device, std::string* usb_version) {
59 return false;
60 }
61
62 } // namespace cricket
63