am 8f5228af: Merge "UsbMidiDevice: add timestamps for input events" into mnc-dev
* commit '8f5228afe671b5e80fab4d1c55452ad6c83ef4f1':
UsbMidiDevice: add timestamps for input events
diff --git a/services/usb/java/com/android/server/usb/UsbMidiDevice.java b/services/usb/java/com/android/server/usb/UsbMidiDevice.java
index 97bf505..38ede87 100644
--- a/services/usb/java/com/android/server/usb/UsbMidiDevice.java
+++ b/services/usb/java/com/android/server/usb/UsbMidiDevice.java
@@ -128,7 +128,7 @@
mReceiver = receiver;
}
}
-
+
public static UsbMidiDevice create(Context context, Bundle properties, int card, int device) {
// FIXME - support devices with different number of input and output ports
int subDeviceCount = nativeGetSubdeviceCount(card, device);
@@ -203,6 +203,8 @@
byte[] buffer = new byte[BUFFER_SIZE];
try {
while (true) {
+ // Record time of event immediately after waking.
+ long timestamp = System.nanoTime();
synchronized (mLock) {
if (!mIsOpen) break;
@@ -215,14 +217,14 @@
} else if ((pfd.revents & OsConstants.POLLIN) != 0) {
// clear readable flag
pfd.revents = 0;
-
+
if (index == mInputStreams.length - 1) {
// last file descriptor is used only for unblocking Os.poll()
break;
}
int count = mInputStreams[index].read(buffer);
- outputReceivers[index].send(buffer, 0, count);
+ outputReceivers[index].send(buffer, 0, count, timestamp);
}
}
}