commit 818e7a32ce3633980138aff2c2bfcc5158b3cfcc
author Andy Hung <hunga@google.com> Tue Feb 16 18:08:07 2016 -0800
committer Andy Hung <hunga@google.com> Fri Feb 19 13:15:16 2016 -0800
tree 61104149c08955e55a10b9353f80ed140ad3df26
parent 6ae5843c281301a9ffd1059d185620a9337e15a2

Implement server side playback timestamps with 64 bit accuracy

Provide server timestamps if the HAL doesn't provide it.
Provide monotonic - boottime translation.
Integrate record timestamps and playback timestamps together.

Bug: 17472992
Bug: 22871200
Bug: 26400089
Bug: 26682703
Change-Id: If1974f94232fcce7ba0bbcdf63d9e54ed51918ff

media/libnbaio/AudioStreamOutSink.cpp

diff --git a/media/libnbaio/AudioStreamOutSink.cpp b/media/libnbaio/AudioStreamOutSink.cpp
index 3f4e0bb..ee44678 100644
--- a/media/libnbaio/AudioStreamOutSink.cpp
+++ b/media/libnbaio/AudioStreamOutSink.cpp
@@ -66,18 +66,20 @@
     return ret;
 }
 
-status_t AudioStreamOutSink::getTimestamp(AudioTimestamp& timestamp)
+status_t AudioStreamOutSink::getTimestamp(ExtendedTimestamp &timestamp)
 {
     if (mStream->get_presentation_position == NULL) {
         return INVALID_OPERATION;
     }
-    // FIXME position64 won't be needed after AudioTimestamp.mPosition is changed to uint64_t
+
     uint64_t position64;
-    int ok = mStream->get_presentation_position(mStream, &position64, &timestamp.mTime);
-    if (ok != 0) {
+    struct timespec time;
+    if (mStream->get_presentation_position(mStream, &position64, &time) != OK) {
         return INVALID_OPERATION;
     }
-    timestamp.mPosition = position64;
+    timestamp.mPosition[ExtendedTimestamp::LOCATION_KERNEL] = position64;
+    timestamp.mTimeNs[ExtendedTimestamp::LOCATION_KERNEL] =
+            time.tv_sec * 1000000000LL + time.tv_nsec;
     return OK;
 }