chromeos/audio/audio_device.cc

   1 // Copyright (c) 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 "chromeos/audio/audio_device.h"
   6
   7 #include "base/format_macros.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "base/strings/utf_string_conversions.h"
  11
  12 namespace chromeos {
  13
  14 namespace {
  15
  16 // Get the priority for a particular device type. The priority returned
  17 // will be between 0 to 3, the higher number meaning a higher priority.
  18 uint8 GetDevicePriority(AudioDeviceType type) {
  19   switch (type) {
  20     case AUDIO_TYPE_HEADPHONE:
  21     case AUDIO_TYPE_MIC:
  22     case AUDIO_TYPE_USB:
  23     case AUDIO_TYPE_BLUETOOTH:
  24       return 3;
  25     case AUDIO_TYPE_HDMI:
  26       return 2;
  27     case AUDIO_TYPE_INTERNAL_SPEAKER:
  28     case AUDIO_TYPE_INTERNAL_MIC:
  29       return 1;
  30     case AUDIO_TYPE_KEYBOARD_MIC:
  31     case AUDIO_TYPE_AOKR:
  32     case AUDIO_TYPE_OTHER:
  33     default:
  34       return 0;
  35   }
  36 }
  37
  38 }  // namespace
  39
  40 // static
  41 std::string AudioDevice::GetTypeString(AudioDeviceType type) {
  42   switch (type) {
  43     case AUDIO_TYPE_HEADPHONE:
  44       return "HEADPHONE";
  45     case AUDIO_TYPE_MIC:
  46       return "MIC";
  47     case AUDIO_TYPE_USB:
  48       return "USB";
  49     case AUDIO_TYPE_BLUETOOTH:
  50       return "BLUETOOTH";
  51     case AUDIO_TYPE_HDMI:
  52       return "HDMI";
  53     case AUDIO_TYPE_INTERNAL_SPEAKER:
  54       return "INTERNAL_SPEAKER";
  55     case AUDIO_TYPE_INTERNAL_MIC:
  56       return "INTERNAL_MIC";
  57     case AUDIO_TYPE_KEYBOARD_MIC:
  58       return "KEYBOARD_MIC";
  59     case AUDIO_TYPE_AOKR:
  60       return "AOKR";
  61     case AUDIO_TYPE_OTHER:
  62     default:
  63       return "OTHER";
  64   }
  65 }
  66
  67 // static
  68 AudioDeviceType AudioDevice::GetAudioType(
  69     const std::string& node_type) {
  70   if (node_type.find("HEADPHONE") != std::string::npos)
  71     return AUDIO_TYPE_HEADPHONE;
  72   else if (node_type.find("INTERNAL_MIC") != std::string::npos)
  73     return AUDIO_TYPE_INTERNAL_MIC;
  74   else if (node_type.find("KEYBOARD_MIC") != std::string::npos)
  75     return AUDIO_TYPE_KEYBOARD_MIC;
  76   else if (node_type.find("MIC") != std::string::npos)
  77     return AUDIO_TYPE_MIC;
  78   else if (node_type.find("USB") != std::string::npos)
  79     return AUDIO_TYPE_USB;
  80   else if (node_type.find("BLUETOOTH") != std::string::npos)
  81     return AUDIO_TYPE_BLUETOOTH;
  82   else if (node_type.find("HDMI") != std::string::npos)
  83     return AUDIO_TYPE_HDMI;
  84   else if (node_type.find("INTERNAL_SPEAKER") != std::string::npos)
  85     return AUDIO_TYPE_INTERNAL_SPEAKER;
  86   else if (node_type.find("AOKR") != std::string::npos)
  87     return AUDIO_TYPE_AOKR;
  88   else
  89     return AUDIO_TYPE_OTHER;
  90 }
  91
  92 AudioDevice::AudioDevice()
  93     : is_input(false),
  94       id(0),
  95       display_name(""),
  96       type(AUDIO_TYPE_OTHER),
  97       priority(0),
  98       active(false),
  99       plugged_time(0) {
 100 }
 101
 102 AudioDevice::AudioDevice(const AudioNode& node) {
 103   is_input = node.is_input;
 104   id = node.id;
 105   type = GetAudioType(node.type);
 106   if (!node.name.empty() && node.name != "(default)")
 107     display_name = node.name;
 108   else
 109     display_name = node.device_name;
 110   device_name = node.device_name;
 111   priority = GetDevicePriority(type);
 112   active = node.active;
 113   plugged_time = node.plugged_time;
 114 }
 115
 116 std::string AudioDevice::ToString() const {
 117   std::string result;
 118   base::StringAppendF(&result,
 119                       "is_input = %s ",
 120                       is_input ? "true" : "false");
 121   base::StringAppendF(&result,
 122                       "id = 0x%" PRIx64 " ",
 123                       id);
 124   base::StringAppendF(&result,
 125                       "display_name = %s ",
 126                       display_name.c_str());
 127   base::StringAppendF(&result,
 128                       "device_name = %s ",
 129                       device_name.c_str());
 130   base::StringAppendF(&result,
 131                       "type = %s ",
 132                       GetTypeString(type).c_str());
 133   base::StringAppendF(&result,
 134                       "active = %s ",
 135                       active ? "true" : "false");
 136   base::StringAppendF(&result,
 137                       "plugged_time= %s ",
 138                       base::Uint64ToString(plugged_time).c_str());
 139
 140   return result;
 141 }
 142
 143 }  // namespace chromeos