Audio V4: propagate metadata to the HAL

This is needed for the earring aid use case.

Bug: 38184704
Bug: 69623109
Test: check that the correct metadata are propagate to the HALs.
Change-Id: I285aac9fbb5431cc32c6fbccebdbff4914e6ab92
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/media/libaudiohal/4.0/StreamHalLocal.cpp b/media/libaudiohal/4.0/StreamHalLocal.cpp
index b00027e..e9d96bf 100644
--- a/media/libaudiohal/4.0/StreamHalLocal.cpp
+++ b/media/libaudiohal/4.0/StreamHalLocal.cpp
@@ -233,6 +233,19 @@
     return mStream->get_presentation_position(mStream, frames, timestamp);
 }
 
+status_t StreamOutHalLocal::updateSourceMetadata(const SourceMetadata& sourceMetadata) {
+    if (mStream->update_source_metadata == nullptr) {
+        return INVALID_OPERATION;
+    }
+    const source_metadata_t metadata {
+        .track_count = sourceMetadata.tracks.size(),
+        // const cast is fine as it is in a const structure
+        .tracks = const_cast<playback_track_metadata*>(sourceMetadata.tracks.data()),
+    };
+    mStream->update_source_metadata(mStream, &metadata);
+    return OK;
+}
+
 status_t StreamOutHalLocal::start() {
     if (mStream->start == NULL) return INVALID_OPERATION;
     return mStream->start(mStream);
@@ -294,6 +307,19 @@
     return mStream->get_capture_position(mStream, frames, time);
 }
 
+status_t StreamInHalLocal::updateSinkMetadata(const SinkMetadata& sinkMetadata) {
+    if (mStream->update_sink_metadata == nullptr) {
+        return INVALID_OPERATION;
+    }
+    const sink_metadata_t metadata {
+        .track_count = sinkMetadata.tracks.size(),
+        // const cast is fine as it is in a const structure
+        .tracks = const_cast<record_track_metadata*>(sinkMetadata.tracks.data()),
+    };
+    mStream->update_sink_metadata(mStream, &metadata);
+    return OK;
+}
+
 status_t StreamInHalLocal::start() {
     if (mStream->start == NULL) return INVALID_OPERATION;
     return mStream->start(mStream);