commit ef7d3793fa9bbfb25253626ede9a020ee9280a17
author Andreas Huber <andih@google.com> Thu Sep 27 14:13:05 2012 -0700
committer Andreas Huber <andih@google.com> Thu Sep 27 14:25:18 2012 -0700
tree 294e3f0459595612c4b7ae4865e396147ebb0754
parent e399acc9d9f3b7af72106c4209e4bb40de37aa6a

Cleaner Wifi Display shutdown process, avoid crashing HDCP on exit.

Change-Id: Ie54ee3edd672ec629360b4ecc5df2f85ecbaa45f
related-to-bug: 7247584

media/libmediaplayerservice/HDCP.cpp

diff --git a/media/libmediaplayerservice/HDCP.cpp b/media/libmediaplayerservice/HDCP.cpp
index e7dea6e..09b9719 100644
--- a/media/libmediaplayerservice/HDCP.cpp
+++ b/media/libmediaplayerservice/HDCP.cpp
@@ -51,6 +51,8 @@
 }
 
 HDCP::~HDCP() {
+    Mutex::Autolock autoLock(mLock);
+
     if (mHDCPModule != NULL) {
         delete mHDCPModule;
         mHDCPModule = NULL;
@@ -63,6 +65,8 @@
 }
 
 status_t HDCP::setObserver(const sp<IHDCPObserver> &observer) {
+    Mutex::Autolock autoLock(mLock);
+
     if (mHDCPModule == NULL) {
         return NO_INIT;
     }
@@ -73,6 +77,8 @@
 }
 
 status_t HDCP::initAsync(const char *host, unsigned port) {
+    Mutex::Autolock autoLock(mLock);
+
     if (mHDCPModule == NULL) {
         return NO_INIT;
     }
@@ -81,6 +87,8 @@
 }
 
 status_t HDCP::shutdownAsync() {
+    Mutex::Autolock autoLock(mLock);
+
     if (mHDCPModule == NULL) {
         return NO_INIT;
     }
@@ -91,6 +99,8 @@
 status_t HDCP::encrypt(
         const void *inData, size_t size, uint32_t streamCTR,
         uint64_t *outInputCTR, void *outData) {
+    Mutex::Autolock autoLock(mLock);
+
     if (mHDCPModule == NULL) {
         *outInputCTR = 0;
 
@@ -106,6 +116,8 @@
 }
 
 void HDCP::observe(int msg, int ext1, int ext2) {
+    Mutex::Autolock autoLock(mLock);
+
     if (mObserver != NULL) {
         mObserver->notify(msg, ext1, ext2, NULL /* obj */);
     }