media: add AudioTrack::getMinFrameCount().
Change-Id: If15162583d1d16d89f59be0793106afe77417f35
diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h
index c46df1e..ef537f4 100644
--- a/include/media/AudioTrack.h
+++ b/include/media/AudioTrack.h
@@ -102,6 +102,17 @@
typedef void (*callback_t)(int event, void* user, void *info);
+ /* Returns the minimum frame count required for the successful creation of
+ * an AudioTrack object.
+ * Returned status (from utils/Errors.h) can be:
+ * - NO_ERROR: successful operation
+ * - NO_INIT: audio server or audio hardware not initialized
+ */
+
+ static status_t getMinFrameCount(int* frameCount,
+ int streamType =-1,
+ uint32_t sampleRate = 0);
+
/* Constructs an uninitialized AudioTrack. No connection with
* AudioFlinger takes place.
*/