do not dequeue from native window after we hit fatal error

bug: 22845824
Change-Id: I8c375790c697e02b6ab3ea54b84d3f70d5e78141
(cherry picked from commit 346de3c26a8fbd0fa0c8102f4a21ea4dcee4432a)

2 files changed, 10 insertions, 0 deletions

diff --git a/include/media/stagefright/ACodec.h b/include/media/stagefright/ACodec.h
index 05f6786..8b5b862 100644
--- a/include/media/stagefright/ACodec.h
+++ b/include/media/stagefright/ACodec.h
@@ -236,6 +236,7 @@ private:
     bool mSentFormat;
     bool mIsVideo;
     bool mIsEncoder;
+    bool mFatalError;
     bool mShutdownInProgress;
     bool mExplicitShutdown;
 
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index fb654b8..8d9bd21 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -497,6 +497,7 @@ ACodec::ACodec()
       mSentFormat(false),
       mIsVideo(false),
       mIsEncoder(false),
+      mFatalError(false),
       mShutdownInProgress(false),
       mExplicitShutdown(false),
       mEncoderDelay(0),
@@ -1312,6 +1313,11 @@ ACodec::BufferInfo *ACodec::dequeueBufferFromNativeWindow() {
         return NULL;
     }
 
+    if (mFatalError) {
+        ALOGW("not dequeuing from native window due to fatal error");
+        return NULL;
+    }
+
     int fenceFd = -1;
     do {
         status_t err = mNativeWindow->dequeueBuffer(mNativeWindow.get(), &buf, &fenceFd);
@@ -4460,6 +4466,9 @@ void ACodec::signalError(OMX_ERRORTYPE error, status_t internalError) {
             ALOGW("Invalid OMX error %#x", error);
         }
     }
+
+    mFatalError = true;
+
     notify->setInt32("err", internalError);
     notify->setInt32("actionCode", ACTION_CODE_FATAL); // could translate from OMX error.
     notify->post();