28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
63 lines
2.5 KiB
C++
63 lines
2.5 KiB
C++
/*
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* libjingle
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* Copyright 2012 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "talk/media/devices/deviceinfo.h"
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namespace cricket {
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bool GetUsbId(const Device& device, std::string* usb_id) {
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// Both PID and VID are 4 characters.
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const int id_size = 4;
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const char vid[] = "vid_"; // Also contains '\0'.
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const size_t vid_location = device.id.find(vid);
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if (vid_location == std::string::npos ||
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vid_location + sizeof(vid) - 1 + id_size > device.id.size()) {
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return false;
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}
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const char pid[] = "pid_";
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const size_t pid_location = device.id.find(pid);
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if (pid_location == std::string::npos ||
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pid_location + sizeof(pid) - 1 + id_size > device.id.size()) {
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return false;
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}
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std::string id_vendor = device.id.substr(vid_location + sizeof(vid) - 1,
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id_size);
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std::string id_product = device.id.substr(pid_location + sizeof(pid) -1,
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id_size);
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usb_id->clear();
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usb_id->append(id_vendor);
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usb_id->append(":");
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usb_id->append(id_product);
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return true;
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}
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bool GetUsbVersion(const Device& device, std::string* usb_version) {
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return false;
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}
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} // namespace cricket
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