video_capture_device.cc revision 116680a4aac90f2aa7413d9095a592090648e557
1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "media/video/capture/video_capture_device.h" 6 7#include "base/i18n/timezone.h" 8#include "base/strings/string_util.h" 9 10namespace media { 11 12const std::string VideoCaptureDevice::Name::GetNameAndModel() const { 13 const std::string model_id = GetModel(); 14 if (model_id.empty()) 15 return device_name_; 16 const std::string suffix = " (" + model_id + ")"; 17 if (EndsWith(device_name_, suffix, true)) // |true| means case-sensitive. 18 return device_name_; 19 return device_name_ + suffix; 20} 21 22VideoCaptureDevice::Name::Name() {} 23 24VideoCaptureDevice::Name::Name(const std::string& name, const std::string& id) 25 : device_name_(name), unique_id_(id) {} 26 27#if defined(OS_WIN) 28VideoCaptureDevice::Name::Name(const std::string& name, 29 const std::string& id, 30 const CaptureApiType api_type) 31 : device_name_(name), unique_id_(id), capture_api_class_(api_type) {} 32#endif 33 34#if defined(OS_MACOSX) 35VideoCaptureDevice::Name::Name(const std::string& name, 36 const std::string& id, 37 const CaptureApiType api_type) 38 : device_name_(name), 39 unique_id_(id), 40 capture_api_class_(api_type), 41 transport_type_(OTHER_TRANSPORT) {} 42 43VideoCaptureDevice::Name::Name(const std::string& name, 44 const std::string& id, 45 const CaptureApiType api_type, 46 const TransportType transport_type) 47 : device_name_(name), 48 unique_id_(id), 49 capture_api_class_(api_type), 50 transport_type_(transport_type) {} 51#endif 52 53VideoCaptureDevice::Name::~Name() {} 54 55VideoCaptureDevice::~VideoCaptureDevice() {} 56 57int VideoCaptureDevice::GetPowerLineFrequencyForLocation() const { 58 std::string current_country = base::CountryCodeForCurrentTimezone(); 59 if (current_country.empty()) 60 return 0; 61 // Sorted out list of countries with 60Hz power line frequency, from 62 // http://en.wikipedia.org/wiki/Mains_electricity_by_country 63 const char* countries_using_60Hz[] = { 64 "AI", "AO", "AS", "AW", "AZ", "BM", "BR", "BS", "BZ", "CA", "CO", 65 "CR", "CU", "DO", "EC", "FM", "GT", "GU", "GY", "HN", "HT", "JP", 66 "KN", "KR", "KY", "MS", "MX", "NI", "PA", "PE", "PF", "PH", "PR", 67 "PW", "SA", "SR", "SV", "TT", "TW", "UM", "US", "VG", "VI", "VE"}; 68 const char** countries_using_60Hz_end = 69 countries_using_60Hz + arraysize(countries_using_60Hz); 70 if (std::find(countries_using_60Hz, countries_using_60Hz_end, 71 current_country) == countries_using_60Hz_end) { 72 return kPowerLine50Hz; 73 } 74 return kPowerLine60Hz; 75} 76 77} // namespace media 78