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/StreamHalHidl.cpp b/media/libaudiohal/4.0/StreamHalHidl.cpp
index de16e98..47db08e 100644
--- a/media/libaudiohal/4.0/StreamHalHidl.cpp
+++ b/media/libaudiohal/4.0/StreamHalHidl.cpp
@@ -33,6 +33,7 @@
using ::android::hardware::audio::V4_0::AudioDrain;
using ::android::hardware::audio::V4_0::IStreamOutCallback;
using ::android::hardware::audio::V4_0::MessageQueueFlagBits;
+using ::android::hardware::audio::V4_0::MicrophoneInfo;
using ::android::hardware::audio::V4_0::MmapBufferInfo;
using ::android::hardware::audio::V4_0::MmapPosition;
using ::android::hardware::audio::V4_0::ParameterValue;
@@ -754,5 +755,24 @@
}
}
+
+status_t StreamInHalHidl::getActiveMicrophones(
+ std::vector<media::MicrophoneInfo> *microphonesInfo) {
+ if (!mStream) return NO_INIT;
+ Result retval;
+ Return<void> ret = mStream->getActiveMicrophones(
+ [&](Result r, hidl_vec<MicrophoneInfo> micArrayHal) {
+ retval = r;
+ for (size_t k = 0; k < micArrayHal.size(); k++) {
+ audio_microphone_characteristic_t dst;
+ // convert
+ microphoneInfoToHal(micArrayHal[k], &dst);
+ media::MicrophoneInfo microphone = media::MicrophoneInfo(dst);
+ microphonesInfo->push_back(microphone);
+ }
+ });
+ return processReturn("getActiveMicrophones", ret, retval);
+}
+
} // namespace V4_0
} // namespace android