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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/audio/audio_device.h"
#include <stdint.h>
#include "base/format_macros.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
namespace chromeos {
namespace {
// Get the priority for a particular device type. The priority returned
// will be between 0 to 3, the higher number meaning a higher priority.
uint8_t GetDevicePriority(AudioDeviceType type, bool is_input) {
// Lower the priority of bluetooth mic to prevent unexpected bad eperience
// to user because of bluetooth audio profile switching. Make priority to
// zero so this mic will never be automatically chosen.
if (type == AUDIO_TYPE_BLUETOOTH && is_input)
return 0;
switch (type) {
case AUDIO_TYPE_HEADPHONE:
case AUDIO_TYPE_MIC:
case AUDIO_TYPE_USB:
case AUDIO_TYPE_BLUETOOTH:
return 3;
case AUDIO_TYPE_HDMI:
return 2;
case AUDIO_TYPE_INTERNAL_SPEAKER:
case AUDIO_TYPE_INTERNAL_MIC:
return 1;
case AUDIO_TYPE_KEYBOARD_MIC:
case AUDIO_TYPE_AOKR:
case AUDIO_TYPE_POST_MIX_LOOPBACK:
case AUDIO_TYPE_POST_DSP_LOOPBACK:
case AUDIO_TYPE_OTHER:
default:
return 0;
}
}
} // namespace
// static
std::string AudioDevice::GetTypeString(AudioDeviceType type) {
switch (type) {
case AUDIO_TYPE_HEADPHONE:
return "HEADPHONE";
case AUDIO_TYPE_MIC:
return "MIC";
case AUDIO_TYPE_USB:
return "USB";
case AUDIO_TYPE_BLUETOOTH:
return "BLUETOOTH";
case AUDIO_TYPE_HDMI:
return "HDMI";
case AUDIO_TYPE_INTERNAL_SPEAKER:
return "INTERNAL_SPEAKER";
case AUDIO_TYPE_INTERNAL_MIC:
return "INTERNAL_MIC";
case AUDIO_TYPE_KEYBOARD_MIC:
return "KEYBOARD_MIC";
case AUDIO_TYPE_AOKR:
return "AOKR";
case AUDIO_TYPE_POST_MIX_LOOPBACK:
return "POST_MIX_LOOPBACK";
case AUDIO_TYPE_POST_DSP_LOOPBACK:
return "POST_DSP_LOOPBACK";
case AUDIO_TYPE_OTHER:
default:
return "OTHER";
}
}
// static
AudioDeviceType AudioDevice::GetAudioType(
const std::string& node_type) {
if (node_type.find("HEADPHONE") != std::string::npos)
return AUDIO_TYPE_HEADPHONE;
else if (node_type.find("INTERNAL_MIC") != std::string::npos)
return AUDIO_TYPE_INTERNAL_MIC;
else if (node_type.find("KEYBOARD_MIC") != std::string::npos)
return AUDIO_TYPE_KEYBOARD_MIC;
else if (node_type.find("MIC") != std::string::npos)
return AUDIO_TYPE_MIC;
else if (node_type.find("USB") != std::string::npos)
return AUDIO_TYPE_USB;
else if (node_type.find("BLUETOOTH") != std::string::npos)
return AUDIO_TYPE_BLUETOOTH;
else if (node_type.find("HDMI") != std::string::npos)
return AUDIO_TYPE_HDMI;
else if (node_type.find("INTERNAL_SPEAKER") != std::string::npos)
return AUDIO_TYPE_INTERNAL_SPEAKER;
else if (node_type.find("AOKR") != std::string::npos)
return AUDIO_TYPE_AOKR;
else if (node_type.find("POST_MIX_LOOPBACK") != std::string::npos)
return AUDIO_TYPE_POST_MIX_LOOPBACK;
else if (node_type.find("POST_DSP_LOOPBACK") != std::string::npos)
return AUDIO_TYPE_POST_DSP_LOOPBACK;
else
return AUDIO_TYPE_OTHER;
}
AudioDevice::AudioDevice()
: is_input(false),
id(0),
display_name(""),
type(AUDIO_TYPE_OTHER),
priority(0),
active(false),
plugged_time(0) {
}
AudioDevice::AudioDevice(const AudioNode& node) {
is_input = node.is_input;
id = node.id;
type = GetAudioType(node.type);
if (!node.name.empty() && node.name != "(default)")
display_name = node.name;
else
display_name = node.device_name;
device_name = node.device_name;
mic_positions = node.mic_positions;
priority = GetDevicePriority(type, node.is_input);
active = node.active;
plugged_time = node.plugged_time;
}
std::string AudioDevice::ToString() const {
std::string result;
base::StringAppendF(&result,
"is_input = %s ",
is_input ? "true" : "false");
base::StringAppendF(&result,
"id = 0x%" PRIx64 " ",
id);
base::StringAppendF(&result,
"display_name = %s ",
display_name.c_str());
base::StringAppendF(&result,
"device_name = %s ",
device_name.c_str());
base::StringAppendF(&result,
"type = %s ",
GetTypeString(type).c_str());
base::StringAppendF(&result,
"active = %s ",
active ? "true" : "false");
base::StringAppendF(&result,
"plugged_time= %s ",
base::Uint64ToString(plugged_time).c_str());
base::StringAppendF(&result, "mic_positions = %s ", mic_positions.c_str());
return result;
}
} // namespace chromeos
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