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      1 /*
      2  * libjingle
      3  * Copyright 2013 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/devicemanager.h"
     29 #include "webrtc/base/arraysize.h"
     30 #include "webrtc/modules/video_capture/video_capture_factory.h"
     31 
     32 namespace cricket {
     33 
     34 class MobileDeviceManager : public DeviceManager {
     35  public:
     36   MobileDeviceManager();
     37   virtual ~MobileDeviceManager();
     38   virtual bool GetVideoCaptureDevices(std::vector<Device>* devs);
     39 };
     40 
     41 MobileDeviceManager::MobileDeviceManager() {
     42   // We don't expect available devices to change on Android/iOS, so use a
     43   // do-nothing watcher.
     44   set_watcher(new DeviceWatcher(this));
     45 }
     46 
     47 MobileDeviceManager::~MobileDeviceManager() {}
     48 
     49 bool MobileDeviceManager::GetVideoCaptureDevices(std::vector<Device>* devs) {
     50   devs->clear();
     51   rtc::scoped_ptr<webrtc::VideoCaptureModule::DeviceInfo> info(
     52       webrtc::VideoCaptureFactory::CreateDeviceInfo(0));
     53   if (!info)
     54     return false;
     55 
     56   uint32_t num_cams = info->NumberOfDevices();
     57   char id[256];
     58   char name[256];
     59   for (uint32_t i = 0; i < num_cams; ++i) {
     60     if (info->GetDeviceName(i, name, arraysize(name), id, arraysize(id)))
     61       continue;
     62     devs->push_back(Device(name, id));
     63   }
     64   return true;
     65 }
     66 
     67 DeviceManagerInterface* DeviceManagerFactory::Create() {
     68   return new MobileDeviceManager();
     69 }
     70 
     71 bool GetUsbId(const Device& device, std::string* usb_id) { return false; }
     72 
     73 bool GetUsbVersion(const Device& device, std::string* usb_version) {
     74   return false;
     75 }
     76 
     77 }  // namespace cricket
     78