Enhance audio service dumpsys.

 - Add device name for keys
 - Add max volume for streams
 - Add missing stream name constant

Bug:16964015
Change-Id: I92facbd8ae49ba299c27bcb10bcf6668fed0d302

2 files changed, 20 insertions, 2 deletions

diff --git a/media/java/android/media/AudioService.java b/media/java/android/media/AudioService.java
index bce4074..3fea688 100644
--- a/media/java/android/media/AudioService.java
+++ b/media/java/android/media/AudioService.java
@@ -3486,13 +3486,28 @@ public class AudioService extends IAudioService.Stub {
         private void dump(PrintWriter pw) {
             pw.print("   Mute count: ");
             pw.println(muteCount());
+            pw.print("   Max: ");
+            pw.println((mIndexMax + 5) / 10);
             pw.print("   Current: ");
             Set set = mIndex.entrySet();
             Iterator i = set.iterator();
             while (i.hasNext()) {
                 Map.Entry entry = (Map.Entry)i.next();
-                pw.print(Integer.toHexString(((Integer)entry.getKey()).intValue())
-                             + ": " + ((((Integer)entry.getValue()).intValue() + 5) / 10)+", ");
+                final int device = (Integer) entry.getKey();
+                pw.print(Integer.toHexString(device));
+                final String deviceName = device == AudioSystem.DEVICE_OUT_DEFAULT ? "default"
+                        : AudioSystem.getOutputDeviceName(device);
+                if (!deviceName.isEmpty()) {
+                    pw.print(" (");
+                    pw.print(deviceName);
+                    pw.print(")");
+                }
+                pw.print(": ");
+                final int index = (((Integer) entry.getValue()) + 5) / 10;
+                pw.print(index);
+                if (i.hasNext()) {
+                    pw.print(", ");
+                }
             }
         }
     }
diff --git a/media/java/android/media/AudioSystem.java b/media/java/android/media/AudioSystem.java
index e11aab1..9a76f94 100644
--- a/media/java/android/media/AudioSystem.java
+++ b/media/java/android/media/AudioSystem.java
@@ -371,6 +371,7 @@ public class AudioSystem
     public static final String DEVICE_OUT_HDMI_ARC_NAME = "hmdi_arc";
     public static final String DEVICE_OUT_SPDIF_NAME = "spdif";
     public static final String DEVICE_OUT_FM_NAME = "fm_transmitter";
+    public static final String DEVICE_OUT_AUX_LINE_NAME = "aux_line";
 
     public static String getOutputDeviceName(int device)
     {
@@ -417,6 +418,8 @@ public class AudioSystem
             return DEVICE_OUT_SPDIF_NAME;
         case DEVICE_OUT_FM:
             return DEVICE_OUT_FM_NAME;
+        case DEVICE_OUT_AUX_LINE:
+            return DEVICE_OUT_AUX_LINE_NAME;
         case DEVICE_OUT_DEFAULT:
         default:
             return "";