Support query microphones information.
Get list of all/currently active microphones from hal.
Bug: 64038649
Test: Manual Testing and Cts test
Change-Id: Id39cae38ba040f9bc91571e713487f87c2eb67b0
diff --git a/media/libaudiohal/4.0/ConversionHelperHidl.cpp b/media/libaudiohal/4.0/ConversionHelperHidl.cpp
index a3cc28f..fe27504 100644
--- a/media/libaudiohal/4.0/ConversionHelperHidl.cpp
+++ b/media/libaudiohal/4.0/ConversionHelperHidl.cpp
@@ -22,6 +22,11 @@
#include "ConversionHelperHidl.h"
+using ::android::hardware::audio::V4_0::AudioMicrophoneChannelMapping;
+using ::android::hardware::audio::V4_0::AudioMicrophoneDirectionality;
+using ::android::hardware::audio::V4_0::AudioMicrophoneLocation;
+using ::android::hardware::audio::V4_0::DeviceAddress;
+using ::android::hardware::audio::V4_0::MicrophoneInfo;
using ::android::hardware::audio::V4_0::Result;
namespace android {
@@ -101,5 +106,132 @@
ALOGE("%s %p %s: %s (from rpc)", mClassName, this, funcName, description);
}
+// TODO: Use the same implementation in the hal when it moves to a util library.
+std::string deviceAddressToHal(const DeviceAddress& address) {
+ // HAL assumes that the address is NUL-terminated.
+ char halAddress[AUDIO_DEVICE_MAX_ADDRESS_LEN];
+ memset(halAddress, 0, sizeof(halAddress));
+ audio_devices_t halDevice = static_cast<audio_devices_t>(address.device);
+ const bool isInput = (halDevice & AUDIO_DEVICE_BIT_IN) != 0;
+ if (isInput) halDevice &= ~AUDIO_DEVICE_BIT_IN;
+ if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_ALL_A2DP) != 0) ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_BLUETOOTH_A2DP) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "%02X:%02X:%02X:%02X:%02X:%02X",
+ address.address.mac[0], address.address.mac[1], address.address.mac[2],
+ address.address.mac[3], address.address.mac[4], address.address.mac[5]);
+ } else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_IP) != 0) ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_IP) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "%d.%d.%d.%d", address.address.ipv4[0],
+ address.address.ipv4[1], address.address.ipv4[2], address.address.ipv4[3]);
+ } else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_ALL_USB) != 0) ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_ALL_USB) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "card=%d;device=%d", address.address.alsa.card,
+ address.address.alsa.device);
+ } else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_BUS) != 0) ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_BUS) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "%s", address.busAddress.c_str());
+ } else if ((!isInput && (halDevice & AUDIO_DEVICE_OUT_REMOTE_SUBMIX)) != 0 ||
+ (isInput && (halDevice & AUDIO_DEVICE_IN_REMOTE_SUBMIX) != 0)) {
+ snprintf(halAddress, sizeof(halAddress), "%s", address.rSubmixAddress.c_str());
+ } else {
+ snprintf(halAddress, sizeof(halAddress), "%s", address.busAddress.c_str());
+ }
+ return halAddress;
+}
+
+//local conversion helpers
+
+audio_microphone_channel_mapping_t channelMappingToHal(AudioMicrophoneChannelMapping mapping) {
+ switch (mapping) {
+ case AudioMicrophoneChannelMapping::UNUSED:
+ return AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED;
+ case AudioMicrophoneChannelMapping::DIRECT:
+ return AUDIO_MICROPHONE_CHANNEL_MAPPING_DIRECT;
+ case AudioMicrophoneChannelMapping::PROCESSED:
+ return AUDIO_MICROPHONE_CHANNEL_MAPPING_PROCESSED;
+ default:
+ LOG_ALWAYS_FATAL("Unknown channelMappingToHal conversion %d", mapping);
+ }
+}
+
+audio_microphone_location_t locationToHal(AudioMicrophoneLocation location) {
+ switch (location) {
+ case AudioMicrophoneLocation::UNKNOWN:
+ return AUDIO_MICROPHONE_LOCATION_UNKNOWN;
+ case AudioMicrophoneLocation::MAINBODY:
+ return AUDIO_MICROPHONE_LOCATION_MAINBODY;
+ case AudioMicrophoneLocation::MAINBODY_MOVABLE:
+ return AUDIO_MICROPHONE_LOCATION_MAINBODY_MOVABLE;
+ case AudioMicrophoneLocation::PERIPHERAL:
+ return AUDIO_MICROPHONE_LOCATION_PERIPHERAL;
+ default:
+ LOG_ALWAYS_FATAL("Unknown locationToHal conversion %d", location);
+ }
+}
+audio_microphone_directionality_t directionalityToHal(AudioMicrophoneDirectionality dir) {
+ switch (dir) {
+ case AudioMicrophoneDirectionality::UNKNOWN:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_UNKNOWN;
+ case AudioMicrophoneDirectionality::OMNI:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_OMNI;
+ case AudioMicrophoneDirectionality::BI_DIRECTIONAL:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_BI_DIRECTIONAL;
+ case AudioMicrophoneDirectionality::CARDIOID:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_CARDIOID;
+ case AudioMicrophoneDirectionality::HYPER_CARDIOID:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_HYPER_CARDIOID;
+ case AudioMicrophoneDirectionality::SUPER_CARDIOID:
+ return AUDIO_MICROPHONE_DIRECTIONALITY_SUPER_CARDIOID;
+ default:
+ LOG_ALWAYS_FATAL("Unknown directionalityToHal conversion %d", dir);
+ }
+}
+
+// static
+void ConversionHelperHidl::microphoneInfoToHal(const MicrophoneInfo& src,
+ audio_microphone_characteristic_t *pDst) {
+ if (pDst != NULL) {
+ snprintf(pDst->device_id, sizeof(pDst->device_id),
+ "%s", src.deviceId.c_str());
+ pDst->device = static_cast<audio_devices_t>(src.deviceAddress.device);
+ snprintf(pDst->address, sizeof(pDst->address),
+ "%s", deviceAddressToHal(src.deviceAddress).c_str());
+ if (src.channelMapping.size() > AUDIO_CHANNEL_COUNT_MAX) {
+ ALOGW("microphoneInfoToStruct found %zu channelMapping elements. Max expected is %d",
+ src.channelMapping.size(), AUDIO_CHANNEL_COUNT_MAX);
+ }
+ size_t ch;
+ for (ch = 0; ch < src.channelMapping.size() && ch < AUDIO_CHANNEL_COUNT_MAX; ch++) {
+ pDst->channel_mapping[ch] = channelMappingToHal(src.channelMapping[ch]);
+ }
+ for (; ch < AUDIO_CHANNEL_COUNT_MAX; ch++) {
+ pDst->channel_mapping[ch] = AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED;
+ }
+ pDst->location = locationToHal(src.location);
+ pDst->group = (audio_microphone_group_t)src.group;
+ pDst->index_in_the_group = (unsigned int)src.indexInTheGroup;
+ pDst->sensitivity = src.sensitivity;
+ pDst->max_spl = src.maxSpl;
+ pDst->min_spl = src.minSpl;
+ pDst->directionality = directionalityToHal(src.directionality);
+ pDst->num_frequency_responses = (unsigned int)src.frequencyResponse.size();
+ if (pDst->num_frequency_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) {
+ ALOGW("microphoneInfoToStruct found %d frequency responses. Max expected is %d",
+ pDst->num_frequency_responses, AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES);
+ pDst->num_frequency_responses = AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES;
+ }
+ for (size_t k = 0; k < pDst->num_frequency_responses; k++) {
+ pDst->frequency_responses[0][k] = src.frequencyResponse[k].frequency;
+ pDst->frequency_responses[1][k] = src.frequencyResponse[k].level;
+ }
+ pDst->geometric_location.x = src.position.x;
+ pDst->geometric_location.y = src.position.y;
+ pDst->geometric_location.z = src.position.z;
+ pDst->orientation.x = src.orientation.x;
+ pDst->orientation.y = src.orientation.y;
+ pDst->orientation.z = src.orientation.z;
+ }
+}
+
} // namespace V4_0
} // namespace android