Add IAudioTrack::getTimestamp()
with dummy implementation in AudioFlinger::TrackHandle, and
implement AudioTrack::getTimestamp() using IAudioTrack.
Also document invariant that mAudioTrack and control block are always
non-0 after successful initialization.
Change-Id: I9861d1454cff7decf795d5d5898ac7999a9f3b7e
diff --git a/include/media/IAudioTrack.h b/include/media/IAudioTrack.h
index 1014403..afac4ae 100644
--- a/include/media/IAudioTrack.h
+++ b/include/media/IAudioTrack.h
@@ -26,6 +26,7 @@
#include <binder/IMemory.h>
#include <utils/LinearTransform.h>
#include <utils/String8.h>
+#include <media/AudioTimestamp.h>
namespace android {
@@ -86,6 +87,9 @@
/* Send parameters to the audio hardware */
virtual status_t setParameters(const String8& keyValuePairs) = 0;
+
+ /* Return NO_ERROR if timestamp is valid */
+ virtual status_t getTimestamp(AudioTimestamp& timestamp) = 0;
};
// ----------------------------------------------------------------------------