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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 | |
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