webrtc/talk/media/devices/win32deviceinfo.cc
henrike@webrtc.org 28e2075280 Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-07-10 00:45:36 +00:00

63 lines
2.5 KiB
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/*
* libjingle
* Copyright 2012 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "talk/media/devices/deviceinfo.h"
namespace cricket {
bool GetUsbId(const Device& device, std::string* usb_id) {
// Both PID and VID are 4 characters.
const int id_size = 4;
const char vid[] = "vid_"; // Also contains '\0'.
const size_t vid_location = device.id.find(vid);
if (vid_location == std::string::npos ||
vid_location + sizeof(vid) - 1 + id_size > device.id.size()) {
return false;
}
const char pid[] = "pid_";
const size_t pid_location = device.id.find(pid);
if (pid_location == std::string::npos ||
pid_location + sizeof(pid) - 1 + id_size > device.id.size()) {
return false;
}
std::string id_vendor = device.id.substr(vid_location + sizeof(vid) - 1,
id_size);
std::string id_product = device.id.substr(pid_location + sizeof(pid) -1,
id_size);
usb_id->clear();
usb_id->append(id_vendor);
usb_id->append(":");
usb_id->append(id_product);
return true;
}
bool GetUsbVersion(const Device& device, std::string* usb_version) {
return false;
}
} // namespace cricket