Document AudioTrack mFrameCount and mReqFrameCount better
and remove unnecessary initialization of mFrameCount in set().
Change-Id: I9effeb0a6dd035ca02fe77f6992c55d9515b4df6
diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h
index 8afcc5d..476896f 100644
--- a/include/media/AudioTrack.h
+++ b/include/media/AudioTrack.h
@@ -664,9 +664,10 @@
float mVolume[2];
float mSendLevel;
mutable uint32_t mSampleRate; // mutable because getSampleRate() can update it.
- size_t mFrameCount; // corresponds to current IAudioTrack
- size_t mReqFrameCount; // frame count to request the next time a new
- // IAudioTrack is needed
+ size_t mFrameCount; // corresponds to current IAudioTrack, value is
+ // reported back by AudioFlinger to the client
+ size_t mReqFrameCount; // frame count to request the first or next time
+ // a new IAudioTrack is needed, non-decreasing
// constant after constructor or set()
audio_format_t mFormat; // as requested by client, not forced to 16-bit