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
10 namespace media {
11
GetNameAndModel() const12 const 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
~VideoCaptureDevice()22 VideoCaptureDevice::~VideoCaptureDevice() {}
23
GetPowerLineFrequencyForLocation() const24 int VideoCaptureDevice::GetPowerLineFrequencyForLocation() const {
25 std::string current_country = base::CountryCodeForCurrentTimezone();
26 if (current_country.empty())
27 return 0;
28 // Sorted out list of countries with 60Hz power line frequency, from
29 // http://en.wikipedia.org/wiki/Mains_electricity_by_country
30 const char* countries_using_60Hz[] = {
31 "AI", "AO", "AS", "AW", "AZ", "BM", "BR", "BS", "BZ", "CA", "CO",
32 "CR", "CU", "DO", "EC", "FM", "GT", "GU", "GY", "HN", "HT", "JP",
33 "KN", "KR", "KY", "MS", "MX", "NI", "PA", "PE", "PF", "PH", "PR",
34 "PW", "SA", "SR", "SV", "TT", "TW", "UM", "US", "VG", "VI", "VE"};
35 const char** countries_using_60Hz_end =
36 countries_using_60Hz + arraysize(countries_using_60Hz);
37 if (std::find(countries_using_60Hz, countries_using_60Hz_end,
38 current_country) == countries_using_60Hz_end) {
39 return kPowerLine50Hz;
40 }
41 return kPowerLine60Hz;
42 }
43
44 } // namespace media
45