Define an extensible audio device description
The new way for describing audio devices which can be used
both in framework <-> framework and framework <-> HAL
interfaces and directly supports extensions by vendors.
The mapping is defined between the legacy audio_devices_t
and the new descriptions.
Bug: 188932434
Test: atest audio_aidl_conversion_tests
Change-Id: Ifef9fdb510e21765aa548a2877edb84cdf46ac75
diff --git a/media/libaudioclient/AidlConversion.cpp b/media/libaudioclient/AidlConversion.cpp
index 8f3d996..fa78f43 100644
--- a/media/libaudioclient/AidlConversion.cpp
+++ b/media/libaudioclient/AidlConversion.cpp
@@ -412,10 +412,205 @@
namespace {
namespace detail {
+using AudioDevicePair = std::pair<audio_devices_t, media::AudioDeviceDescription>;
+using AudioDevicePairs = std::vector<AudioDevicePair>;
using AudioFormatPair = std::pair<audio_format_t, media::AudioFormatDescription>;
using AudioFormatPairs = std::vector<AudioFormatPair>;
}
+media::AudioDeviceDescription make_AudioDeviceDescription(media::AudioDeviceType type,
+ const std::string& connection = "") {
+ media::AudioDeviceDescription result;
+ result.type = type;
+ result.connection = connection;
+ return result;
+}
+
+void append_AudioDeviceDescription(detail::AudioDevicePairs& pairs,
+ audio_devices_t inputType, audio_devices_t outputType,
+ media::AudioDeviceType inType, media::AudioDeviceType outType,
+ const std::string& connection = "") {
+ pairs.push_back(std::make_pair(inputType, make_AudioDeviceDescription(inType, connection)));
+ pairs.push_back(std::make_pair(outputType, make_AudioDeviceDescription(outType, connection)));
+}
+
+const detail::AudioDevicePairs& getAudioDevicePairs() {
+ static const detail::AudioDevicePairs pairs = []() {
+ detail::AudioDevicePairs pairs = {{
+ {
+ AUDIO_DEVICE_NONE, media::AudioDeviceDescription{}
+ },
+ {
+ AUDIO_DEVICE_OUT_EARPIECE, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_SPEAKER_EARPIECE)
+ },
+ {
+ AUDIO_DEVICE_OUT_SPEAKER, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_SPEAKER)
+ },
+ {
+ AUDIO_DEVICE_OUT_WIRED_HEADPHONE, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_HEADPHONE,
+ media::AudioDeviceDescription::CONNECTION_ANALOG())
+ },
+ {
+ AUDIO_DEVICE_OUT_BLUETOOTH_SCO, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_BT_SCO())
+ },
+ {
+ AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_CARKIT,
+ media::AudioDeviceDescription::CONNECTION_BT_SCO())
+ },
+ {
+ AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_HEADPHONE,
+ media::AudioDeviceDescription::CONNECTION_BT_A2DP())
+ },
+ {
+ AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_SPEAKER,
+ media::AudioDeviceDescription::CONNECTION_BT_A2DP())
+ },
+ {
+ AUDIO_DEVICE_OUT_TELEPHONY_TX, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_TELEPHONY_TX)
+ },
+ {
+ AUDIO_DEVICE_OUT_AUX_LINE, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_LINE_AUX)
+ },
+ {
+ AUDIO_DEVICE_OUT_SPEAKER_SAFE, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_SPEAKER_SAFE)
+ },
+ {
+ AUDIO_DEVICE_OUT_HEARING_AID, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_HEARING_AID,
+ media::AudioDeviceDescription::CONNECTION_WIRELESS())
+ },
+ {
+ AUDIO_DEVICE_OUT_ECHO_CANCELLER, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_ECHO_CANCELLER)
+ },
+ {
+ AUDIO_DEVICE_OUT_BLE_SPEAKER, make_AudioDeviceDescription(
+ media::AudioDeviceType::OUT_SPEAKER,
+ media::AudioDeviceDescription::CONNECTION_BT_LE())
+ },
+ // AUDIO_DEVICE_IN_AMBIENT and IN_COMMUNICATION are removed since they were deprecated.
+ {
+ AUDIO_DEVICE_IN_BUILTIN_MIC, make_AudioDeviceDescription(
+ media::AudioDeviceType::IN_MICROPHONE)
+ },
+ {
+ AUDIO_DEVICE_IN_BACK_MIC, make_AudioDeviceDescription(
+ media::AudioDeviceType::IN_MICROPHONE_BACK)
+ },
+ {
+ AUDIO_DEVICE_IN_TELEPHONY_RX, make_AudioDeviceDescription(
+ media::AudioDeviceType::IN_TELEPHONY_RX)
+ },
+ {
+ AUDIO_DEVICE_IN_TV_TUNER, make_AudioDeviceDescription(
+ media::AudioDeviceType::IN_TV_TUNER)
+ },
+ {
+ AUDIO_DEVICE_IN_LOOPBACK, make_AudioDeviceDescription(
+ media::AudioDeviceType::IN_LOOPBACK)
+ },
+ {
+ AUDIO_DEVICE_IN_BLUETOOTH_BLE, make_AudioDeviceDescription(
+ media::AudioDeviceType::IN_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_BT_LE())
+ },
+ {
+ AUDIO_DEVICE_IN_ECHO_REFERENCE, make_AudioDeviceDescription(
+ media::AudioDeviceType::IN_ECHO_REFERENCE)
+ }
+ }};
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_DEFAULT, AUDIO_DEVICE_OUT_DEFAULT,
+ media::AudioDeviceType::IN_DEFAULT, media::AudioDeviceType::OUT_DEFAULT);
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_WIRED_HEADSET, AUDIO_DEVICE_OUT_WIRED_HEADSET,
+ media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
+ media::AudioDeviceDescription::CONNECTION_ANALOG());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET,
+ media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
+ media::AudioDeviceDescription::CONNECTION_BT_SCO());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_HDMI, AUDIO_DEVICE_OUT_HDMI,
+ media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_HDMI());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_REMOTE_SUBMIX, AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
+ media::AudioDeviceType::IN_SUBMIX, media::AudioDeviceType::OUT_SUBMIX);
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET, AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET,
+ media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
+ media::AudioDeviceDescription::CONNECTION_ANALOG_DOCK());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET, AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET,
+ media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
+ media::AudioDeviceDescription::CONNECTION_DIGITAL_DOCK());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_USB_ACCESSORY, AUDIO_DEVICE_OUT_USB_ACCESSORY,
+ media::AudioDeviceType::IN_ACCESSORY, media::AudioDeviceType::OUT_ACCESSORY,
+ media::AudioDeviceDescription::CONNECTION_USB());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_USB_DEVICE, AUDIO_DEVICE_OUT_USB_DEVICE,
+ media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_USB());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_FM_TUNER, AUDIO_DEVICE_OUT_FM,
+ media::AudioDeviceType::IN_FM_TUNER, media::AudioDeviceType::OUT_FM);
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_LINE, AUDIO_DEVICE_OUT_LINE,
+ media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_ANALOG());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_SPDIF, AUDIO_DEVICE_OUT_SPDIF,
+ media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_SPDIF());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_BLUETOOTH_A2DP, AUDIO_DEVICE_OUT_BLUETOOTH_A2DP,
+ media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_BT_A2DP());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_IP, AUDIO_DEVICE_OUT_IP,
+ media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_IP_V4());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_BUS, AUDIO_DEVICE_OUT_BUS,
+ media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_BUS());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_PROXY, AUDIO_DEVICE_OUT_PROXY,
+ media::AudioDeviceType::IN_AFE_PROXY, media::AudioDeviceType::OUT_AFE_PROXY);
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_USB_HEADSET, AUDIO_DEVICE_OUT_USB_HEADSET,
+ media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
+ media::AudioDeviceDescription::CONNECTION_USB());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_HDMI_ARC, AUDIO_DEVICE_OUT_HDMI_ARC,
+ media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_HDMI_ARC());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_HDMI_EARC, AUDIO_DEVICE_OUT_HDMI_EARC,
+ media::AudioDeviceType::IN_DEVICE, media::AudioDeviceType::OUT_DEVICE,
+ media::AudioDeviceDescription::CONNECTION_HDMI_EARC());
+ append_AudioDeviceDescription(pairs,
+ AUDIO_DEVICE_IN_BLE_HEADSET, AUDIO_DEVICE_OUT_BLE_HEADSET,
+ media::AudioDeviceType::IN_HEADSET, media::AudioDeviceType::OUT_HEADSET,
+ media::AudioDeviceDescription::CONNECTION_BT_LE());
+ return pairs;
+ }();
+ return pairs;
+}
+
media::AudioFormatDescription make_AudioFormatDescription(media::AudioFormatType type) {
media::AudioFormatDescription result;
result.type = type;
@@ -768,19 +963,55 @@
return pairs;
}
+template<typename S, typename T>
+std::unordered_map<S, T> make_DirectMap(const std::vector<std::pair<S, T>>& v) {
+ std::unordered_map<S, T> result(v.begin(), v.end());
+ LOG_ALWAYS_FATAL_IF(result.size() != v.size(), "Duplicate key elements detected");
+ return result;
+}
+
+template<typename S, typename T>
+std::unordered_map<T, S> make_ReverseMap(const std::vector<std::pair<S, T>>& v) {
+ std::unordered_map<T, S> result;
+ std::transform(v.begin(), v.end(), std::inserter(result, result.begin()),
+ [](const std::pair<S, T>& p) {
+ return std::make_pair(p.second, p.first);
+ });
+ LOG_ALWAYS_FATAL_IF(result.size() != v.size(), "Duplicate key elements detected");
+ return result;
+}
+
} // namespace
+ConversionResult<audio_devices_t> aidl2legacy_AudioDeviceDescription_audio_devices_t(
+ const media::AudioDeviceDescription& aidl) {
+ static const std::unordered_map<media::AudioDeviceDescription, audio_devices_t> m =
+ make_ReverseMap(getAudioDevicePairs());
+ if (auto it = m.find(aidl); it != m.end()) {
+ return it->second;
+ } else {
+ ALOGE("%s: no legacy audio_devices_t found for %s", __func__, aidl.toString().c_str());
+ return unexpected(BAD_VALUE);
+ }
+}
+
+ConversionResult<media::AudioDeviceDescription> legacy2aidl_audio_devices_t_AudioDeviceDescription(
+ audio_devices_t legacy) {
+ static const std::unordered_map<audio_devices_t, media::AudioDeviceDescription> m =
+ make_DirectMap(getAudioDevicePairs());
+ if (auto it = m.find(legacy); it != m.end()) {
+ return it->second;
+ } else {
+ ALOGE("%s: no AudioDeviceDescription found for legacy audio_devices_t value 0x%x",
+ __func__, legacy);
+ return unexpected(BAD_VALUE);
+ }
+}
+
ConversionResult<audio_format_t> aidl2legacy_AudioFormatDescription_audio_format_t(
const media::AudioFormatDescription& aidl) {
static const std::unordered_map<media::AudioFormatDescription, audio_format_t> m =
- [](const detail::AudioFormatPairs& f) {
- std::unordered_map<media::AudioFormatDescription, audio_format_t> r;
- std::transform(f.begin(), f.end(), std::inserter(r, r.begin()),
- [](const detail::AudioFormatPair& p) {
- return std::make_pair(p.second, p.first);
- });
- return r;
- }(getAudioFormatPairs());
+ make_ReverseMap(getAudioFormatPairs());
if (auto it = m.find(aidl); it != m.end()) {
return it->second;
} else {
@@ -792,9 +1023,7 @@
ConversionResult<media::AudioFormatDescription> legacy2aidl_audio_format_t_AudioFormatDescription(
audio_format_t legacy) {
static const std::unordered_map<audio_format_t, media::AudioFormatDescription> m =
- [](const detail::AudioFormatPairs& f) {
- return std::unordered_map<audio_format_t, media::AudioFormatDescription>(
- f.begin(), f.end()); }(getAudioFormatPairs());
+ make_DirectMap(getAudioFormatPairs());
if (auto it = m.find(legacy); it != m.end()) {
return it->second;
} else {