Allow track buffer "allocation" to be from pipe
Change-Id: Ib9ac170f8e8b7746b3588157a56cbee3b753a1cb
diff --git a/services/audioflinger/TrackBase.h b/services/audioflinger/TrackBase.h
index 5f13be3..4cba3fd 100644
--- a/services/audioflinger/TrackBase.h
+++ b/services/audioflinger/TrackBase.h
@@ -39,6 +39,13 @@
STARTING_2, // for RecordTrack only
};
+ // where to allocate the data buffer
+ enum alloc_type {
+ ALLOC_CBLK, // allocate immediately after control block
+ ALLOC_READONLY, // allocate from a separate read-only heap per thread
+ ALLOC_PIPE, // do not allocate; use the pipe buffer
+ };
+
TrackBase(ThreadBase *thread,
const sp<Client>& client,
uint32_t sampleRate,
@@ -50,7 +57,7 @@
int uid,
IAudioFlinger::track_flags_t flags,
bool isOut,
- bool useReadOnlyHeap = false);
+ alloc_type alloc = ALLOC_CBLK);
virtual ~TrackBase();
virtual status_t initCheck() const { return getCblk() != 0 ? NO_ERROR : NO_MEMORY; }