am 80688be6: am af7748ef: Merge "Consider channel index masks when calculating channel counts." into mnc-dev
* commit '80688be665c7cff4b53217422a0ec13b0c0272da':
Consider channel index masks when calculating channel counts.
diff --git a/media/java/android/media/AudioDeviceInfo.java b/media/java/android/media/AudioDeviceInfo.java
index 95c9656..fef65ee 100644
--- a/media/java/android/media/AudioDeviceInfo.java
+++ b/media/java/android/media/AudioDeviceInfo.java
@@ -19,6 +19,8 @@
import android.annotation.NonNull;
import android.util.SparseIntArray;
+import java.util.TreeSet;
+
/**
* Class to provide information about the audio devices.
*/
@@ -201,13 +203,24 @@
* Note: an empty array indicates that the device supports arbitrary channel counts.
*/
public @NonNull int[] getChannelCounts() {
- int[] masks = getChannelMasks();
- int[] counts = new int[masks.length];
- // TODO: consider channel index masks
- for (int mask_index = 0; mask_index < masks.length; mask_index++) {
- counts[mask_index] = isSink()
- ? AudioFormat.channelCountFromOutChannelMask(masks[mask_index])
- : AudioFormat.channelCountFromInChannelMask(masks[mask_index]);
+ TreeSet<Integer> countSet = new TreeSet<Integer>();
+
+ // Channel Masks
+ for (int mask : getChannelMasks()) {
+ countSet.add(isSink() ?
+ AudioFormat.channelCountFromOutChannelMask(mask)
+ : AudioFormat.channelCountFromInChannelMask(mask));
+ }
+
+ // Index Masks
+ for (int index_mask : getChannelIndexMasks()) {
+ countSet.add(Integer.bitCount(index_mask));
+ }
+
+ int[] counts = new int[countSet.size()];
+ int index = 0;
+ for (int count : countSet) {
+ counts[index++] = count;
}
return counts;
}