commit 87c9f646a94259d7c321c3b3d5947fa1778f5ac2
author Phil Burk <philburk@google.com> Wed May 17 07:22:39 2017 -0700
committer Phil Burk <philburk@google.com> Wed May 24 15:44:23 2017 -0700
tree 89c57e19157557b2cb5d7aca7bc1371e530f734c
parent da6b9eafb5de2434717aea264ad61b025bc4fe7f

aaudio: lower latency using MMAP capture

MMAP can be enabled by setting system properties.

Bug: 38267780
Test: input_monitor.cpp
Change-Id: I5e86fd1d9baef4fe59837ccbca7971acbb54d8b5
Signed-off-by: Phil Burk <philburk@google.com>

services/oboeservice/AAudioServiceStreamBase.cpp

diff --git a/services/oboeservice/AAudioServiceStreamBase.cpp b/services/oboeservice/AAudioServiceStreamBase.cpp
index 8248f8b..f04bc86 100644
--- a/services/oboeservice/AAudioServiceStreamBase.cpp
+++ b/services/oboeservice/AAudioServiceStreamBase.cpp
@@ -162,11 +162,12 @@
 
 aaudio_result_t AAudioServiceStreamBase::sendCurrentTimestamp() {
     AAudioServiceMessage command;
-    //ALOGD("sendCurrentTimestamp() called");
     aaudio_result_t result = getFreeRunningPosition(&command.timestamp.position,
                                                     &command.timestamp.timestamp);
     if (result == AAUDIO_OK) {
-        //ALOGD("sendCurrentTimestamp(): position %d", (int) command.timestamp.position);
+    //    ALOGD("sendCurrentTimestamp(): position = %lld, nanos = %lld",
+    //          (long long) command.timestamp.position,
+    //          (long long) command.timestamp.timestamp);
         command.what = AAudioServiceMessage::code::TIMESTAMP;
         result = writeUpMessageQueue(&command);
     }