commit bbd5286e99bbacf9907e2ecf1f7181db17ee6e46
author Phil Burk <philburk@google.com> Fri Apr 13 11:37:42 2018 -0700
committer Phil Burk <philburk@google.com> Wed Apr 18 10:18:49 2018 -0700
tree b523037660dffe33c9aa1d8cb65938b934f16000
parent f255369091d48ba7475ee4aae840a8a9c7a15f07

aaudio: teardown stream based on a port handle

Needed for silencing specific input streams.
Pass AAudioService reference into AAudioServiceEndpointMMAP.
Use it to find a specific stream by PortHandle then
stop it and disconnect it.

Bug: 72134552
Test: b/72134552#comment10
Change-Id: Ibdf242f834c83b47c967c3cc634ed1083b019d4a

services/oboeservice/AAudioServiceEndpointMMAP.h

diff --git a/services/oboeservice/AAudioServiceEndpointMMAP.h b/services/oboeservice/AAudioServiceEndpointMMAP.h
index c4c943d..5e815e0 100644
--- a/services/oboeservice/AAudioServiceEndpointMMAP.h
+++ b/services/oboeservice/AAudioServiceEndpointMMAP.h
@@ -42,7 +42,7 @@
         , public android::MmapStreamCallback {
 
 public:
-    AAudioServiceEndpointMMAP();
+    explicit AAudioServiceEndpointMMAP(android::AAudioService &audioService);
 
     virtual ~AAudioServiceEndpointMMAP();
 
@@ -88,8 +88,12 @@
     // Interface to the AudioFlinger MMAP support.
     android::sp<android::MmapStreamInterface> mMmapStream;
     struct audio_mmap_buffer_info             mMmapBufferinfo;
+
+    // There is only one port associated with an MMAP endpoint.
     audio_port_handle_t                       mPortHandle = AUDIO_PORT_HANDLE_NONE;
 
+    android::AAudioService                    &mAAudioService;
+
     android::base::unique_fd                  mAudioDataFileDescriptor;
 
     int64_t                                   mHardwareTimeOffsetNanos = 0; // TODO get from HAL