Update audio comments
Change-Id: I85d7d2f6381b251db5695202fec75128883a8662
diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h
index 3504f1f..b82f814 100644
--- a/include/media/AudioTrack.h
+++ b/include/media/AudioTrack.h
@@ -422,6 +422,7 @@
* After error return:
* frameCount 0
* size 0
+ * raw undefined
* After successful return:
* frameCount actual number of frames available, <= number requested
* size actual number of bytes available
@@ -510,7 +511,13 @@
uint32_t mFrameCount;
audio_track_cblk_t* mCblk; // re-load after mLock.unlock()
- void* mBuffers; // starting address of buffers in shared memory
+
+ // Starting address of buffers in shared memory. If there is a shared buffer, mBuffers
+ // is the value of pointer() for the shared buffer, otherwise mBuffers points
+ // immediately after the control block. This address is for the mapping within client
+ // address space. AudioFlinger::TrackBase::mBuffer is for the server address space.
+ void* mBuffers;
+
audio_format_t mFormat;
audio_stream_type_t mStreamType;
uint8_t mChannelCount;
diff --git a/include/private/media/AudioTrackShared.h b/include/private/media/AudioTrackShared.h
index 3063448..bbc5e26 100644
--- a/include/private/media/AudioTrackShared.h
+++ b/include/private/media/AudioTrackShared.h
@@ -54,9 +54,10 @@
uint32_t serverBase;
int mPad1; // unused, but preserves cache line alignment
+
uint32_t frameCount;
- // Cache line boundary
+ // Cache line boundary (32 bytes)
uint32_t loopStart;
uint32_t loopEnd; // read-only for server, read/write for client