commit 2a59462f341dfd639f30caa1d0080e922936ded6
author jiabin <jiabin@google.com> Thu Oct 14 00:32:25 2021 +0000
committer jiabin <jiabin@google.com> Fri Oct 29 20:25:28 2021 +0000
tree 08efe1b768cd61bc2f09f8323148d61761e020f4
parent 5d7718b534152ae28656d3a6d0929ff048c20708

Add AAudioCommandQueue in aaudio service.

With AAudioCommandQueue, all the requests to aaudio service stream can
be turned into command and executed one by one. This can help reduce
multiple thread issue in aaudio service.

Test: atest AAudioTest
Test: run oboetester
Bug: 201000721
Change-Id: I81134e036d8921d327feb029d8fda725ce65d080

services/oboeservice/AAudioServiceEndpointMMAP.cpp

diff --git a/services/oboeservice/AAudioServiceEndpointMMAP.cpp b/services/oboeservice/AAudioServiceEndpointMMAP.cpp
index 35a0890..42b07ae 100644
--- a/services/oboeservice/AAudioServiceEndpointMMAP.cpp
+++ b/services/oboeservice/AAudioServiceEndpointMMAP.cpp
@@ -401,16 +401,17 @@
 /**
  * Get an immutable description of the data queue from the HAL.
  */
-aaudio_result_t AAudioServiceEndpointMMAP::getDownDataDescription(AudioEndpointParcelable &parcelable)
+aaudio_result_t AAudioServiceEndpointMMAP::getDownDataDescription(
+        AudioEndpointParcelable* parcelable)
 {
     // Gather information on the data queue based on HAL info.
     int32_t bytesPerFrame = calculateBytesPerFrame();
     int32_t capacityInBytes = getBufferCapacity() * bytesPerFrame;
-    int fdIndex = parcelable.addFileDescriptor(mAudioDataFileDescriptor, capacityInBytes);
-    parcelable.mDownDataQueueParcelable.setupMemory(fdIndex, 0, capacityInBytes);
-    parcelable.mDownDataQueueParcelable.setBytesPerFrame(bytesPerFrame);
-    parcelable.mDownDataQueueParcelable.setFramesPerBurst(mFramesPerBurst);
-    parcelable.mDownDataQueueParcelable.setCapacityInFrames(getBufferCapacity());
+    int fdIndex = parcelable->addFileDescriptor(mAudioDataFileDescriptor, capacityInBytes);
+    parcelable->mDownDataQueueParcelable.setupMemory(fdIndex, 0, capacityInBytes);
+    parcelable->mDownDataQueueParcelable.setBytesPerFrame(bytesPerFrame);
+    parcelable->mDownDataQueueParcelable.setFramesPerBurst(mFramesPerBurst);
+    parcelable->mDownDataQueueParcelable.setCapacityInFrames(getBufferCapacity());
     return AAUDIO_OK;
 }