From 5a65e30064dc8dffa4f3d868f1c46038972c40c5 Mon Sep 17 00:00:00 2001 From: Andreas Huber Date: Tue, 24 May 2011 15:15:42 -0700 Subject: Make sure all references to the decoder plugin are accounted for before calling dlunload(). Change-Id: I59aa1d19edf566b8a86a6f73b1c2eeb47c96b0de related-to-bug: 4466387 --- media/libstagefright/include/SimpleSoftOMXComponent.h | 2 +- media/libstagefright/include/SoftOMXComponent.h | 2 ++ media/libstagefright/omx/SimpleSoftOMXComponent.cpp | 6 +++++- media/libstagefright/omx/SoftOMXPlugin.cpp | 2 ++ 4 files changed, 10 insertions(+), 2 deletions(-) (limited to 'media') diff --git a/media/libstagefright/include/SimpleSoftOMXComponent.h b/media/libstagefright/include/SimpleSoftOMXComponent.h index 2a29a7d..50cd275 100644 --- a/media/libstagefright/include/SimpleSoftOMXComponent.h +++ b/media/libstagefright/include/SimpleSoftOMXComponent.h @@ -36,7 +36,7 @@ struct SimpleSoftOMXComponent : public SoftOMXComponent { OMX_PTR appData, OMX_COMPONENTTYPE **component); - virtual ~SimpleSoftOMXComponent(); + virtual void prepareForDestruction(); void onMessageReceived(const sp &msg); diff --git a/media/libstagefright/include/SoftOMXComponent.h b/media/libstagefright/include/SoftOMXComponent.h index 053bc22..a808611 100644 --- a/media/libstagefright/include/SoftOMXComponent.h +++ b/media/libstagefright/include/SoftOMXComponent.h @@ -38,6 +38,8 @@ struct SoftOMXComponent : public RefBase { void setLibHandle(void *libHandle); void *libHandle() const; + virtual void prepareForDestruction() {} + protected: virtual ~SoftOMXComponent(); diff --git a/media/libstagefright/omx/SimpleSoftOMXComponent.cpp b/media/libstagefright/omx/SimpleSoftOMXComponent.cpp index 179b2a0..f7330f3 100644 --- a/media/libstagefright/omx/SimpleSoftOMXComponent.cpp +++ b/media/libstagefright/omx/SimpleSoftOMXComponent.cpp @@ -45,7 +45,11 @@ SimpleSoftOMXComponent::SimpleSoftOMXComponent( PRIORITY_AUDIO); } -SimpleSoftOMXComponent::~SimpleSoftOMXComponent() { +void SimpleSoftOMXComponent::prepareForDestruction() { + // The looper's queue may still contain messages referencing this + // object. Make sure those are flushed before returning so that + // a subsequent dlunload() does not pull out the rug from under us. + mLooper->unregisterHandler(mHandler->id()); mLooper->stop(); } diff --git a/media/libstagefright/omx/SoftOMXPlugin.cpp b/media/libstagefright/omx/SoftOMXPlugin.cpp index cfbcb96..04ca39e 100644 --- a/media/libstagefright/omx/SoftOMXPlugin.cpp +++ b/media/libstagefright/omx/SoftOMXPlugin.cpp @@ -127,6 +127,8 @@ OMX_ERRORTYPE SoftOMXPlugin::destroyComponentInstance( (SoftOMXComponent *) ((OMX_COMPONENTTYPE *)component)->pComponentPrivate; + me->prepareForDestruction(); + void *libHandle = me->libHandle(); CHECK_EQ(me->getStrongCount(), 1); -- cgit v1.1