IAudioFlinger::openRecord returns IMemory(s)

openRecord() now explicitly returns the control block and data buffer
as separate IMemory references.  If the IMemory for data buffer
is 0, this means it immediately follows the control block.

Change-Id: Ic098f88f0e037f8fbe30006689e18cacacf09d06

1 files changed, 8 insertions, 0 deletions

diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index eb00c82..c1c95f8 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1313,6 +1313,8 @@ sp<IAudioRecord> AudioFlinger::openRecord(
         IAudioFlinger::track_flags_t *flags,
         pid_t tid,
         int *sessionId,
+        sp<IMemory>& cblk,
+        sp<IMemory>& buffers,
         status_t *status)
 {
     sp<RecordThread::RecordTrack> recordTrack;
@@ -1321,6 +1323,9 @@ sp<IAudioRecord> AudioFlinger::openRecord(
     status_t lStatus;
     int lSessionId;
 
+    cblk.clear();
+    buffers.clear();
+
     // check calling permissions
     if (!recordingAllowed()) {
         ALOGE("openRecord() permission denied: recording not allowed");
@@ -1396,6 +1401,9 @@ sp<IAudioRecord> AudioFlinger::openRecord(
         goto Exit;
     }
 
+    cblk = recordTrack->getCblk();
+    buffers = recordTrack->getBuffers();
+
     // return handle to client
     recordHandle = new RecordHandle(recordTrack);