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authorPaul McLean <pmclean@google.com>2015-08-04 13:57:29 -0600
committerPaul McLean <pmclean@google.com>2015-08-05 09:03:51 -0600
commit3115960bdeb89f23131c5abf6eebc8c7e0fd8b9c (patch)
tree6bf3f51de66948cbd17ccb88c66d07b96a5c4db6 /media
parent845d14db9066c3262f270237b52e315aa71508b2 (diff)
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Consider channel index masks when calculating channel counts.
Bug: 22874806 Change-Id: I04b74f5939bb81350d9e37b9629f8bbc242bffe7
Diffstat (limited to 'media')
-rw-r--r--media/java/android/media/AudioDeviceInfo.java27
1 files changed, 20 insertions, 7 deletions
diff --git a/media/java/android/media/AudioDeviceInfo.java b/media/java/android/media/AudioDeviceInfo.java
index bdb1f58..c73f596 100644
--- a/media/java/android/media/AudioDeviceInfo.java
+++ b/media/java/android/media/AudioDeviceInfo.java
@@ -19,6 +19,8 @@ package android.media;
import android.annotation.NonNull;
import android.util.SparseIntArray;
+import java.util.TreeSet;
+
/**
* Class to provide information about the audio devices.
*/
@@ -185,13 +187,24 @@ public final class AudioDeviceInfo {
* can be configured.
*/
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;
}