Merge "Remove possible div by zero in WavExtractor"
diff --git a/include/media/stagefright/foundation/ABuffer.h b/include/media/stagefright/foundation/ABuffer.h
index 6294ee7..dc9c778 100644
--- a/include/media/stagefright/foundation/ABuffer.h
+++ b/include/media/stagefright/foundation/ABuffer.h
@@ -33,8 +33,6 @@
     ABuffer(size_t capacity);
     ABuffer(void *data, size_t capacity);
 
-    void setFarewellMessage(const sp<AMessage> msg);
-
     uint8_t *base() { return (uint8_t *)mData; }
     uint8_t *data() { return (uint8_t *)mData + mRangeOffset; }
     size_t capacity() const { return mCapacity; }
@@ -58,7 +56,6 @@
     virtual ~ABuffer();
 
 private:
-    sp<AMessage> mFarewell;
     sp<AMessage> mMeta;
 
     MediaBufferBase *mMediaBufferBase;
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index 77b9799..c4f20da 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -2182,7 +2182,7 @@
             int posMs;
             int64_t timeUs, posUs;
             driver->getCurrentPosition(&posMs);
-            posUs = posMs * 1000;
+            posUs = (int64_t) posMs * 1000ll;
             CHECK(buffer->meta()->findInt64("timeUs", &timeUs));
 
             if (posUs < timeUs) {
diff --git a/media/libstagefright/VideoFrameScheduler.cpp b/media/libstagefright/VideoFrameScheduler.cpp
index 5fe9bf9..5564926 100644
--- a/media/libstagefright/VideoFrameScheduler.cpp
+++ b/media/libstagefright/VideoFrameScheduler.cpp
@@ -460,14 +460,16 @@
                 mTimeCorrection -= mVsyncPeriod / 2;
                 renderTime -= mVsyncPeriod / 2;
                 nextVsyncTime -= mVsyncPeriod;
-                --vsyncsForLastFrame;
+                if (vsyncsForLastFrame > 0)
+                    --vsyncsForLastFrame;
             } else if (mTimeCorrection < -correctionLimit &&
                     (vsyncsPerFrameAreNearlyConstant || vsyncsForLastFrame == minVsyncsPerFrame)) {
                 // add a VSYNC
                 mTimeCorrection += mVsyncPeriod / 2;
                 renderTime += mVsyncPeriod / 2;
                 nextVsyncTime += mVsyncPeriod;
-                ++vsyncsForLastFrame;
+                if (vsyncsForLastFrame < ULONG_MAX)
+                    ++vsyncsForLastFrame;
             }
             ATRACE_INT("FRAME_VSYNCS", vsyncsForLastFrame);
         }
diff --git a/media/libstagefright/codecs/avc/common/Android.mk b/media/libstagefright/codecs/avc/common/Android.mk
index 844ef0a..ed0f8ca 100644
--- a/media/libstagefright/codecs/avc/common/Android.mk
+++ b/media/libstagefright/codecs/avc/common/Android.mk
@@ -17,5 +17,7 @@
  	$(LOCAL_PATH)/include
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libstagefright/codecs/avc/enc/Android.mk b/media/libstagefright/codecs/avc/enc/Android.mk
index d5131cb..8ff2f35 100644
--- a/media/libstagefright/codecs/avc/enc/Android.mk
+++ b/media/libstagefright/codecs/avc/enc/Android.mk
@@ -31,6 +31,8 @@
     -DOSCL_IMPORT_REF= -D"OSCL_UNUSED_ARG(x)=(void)(x)" -DOSCL_EXPORT_REF=
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_STATIC_LIBRARY)
 
@@ -72,6 +74,8 @@
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_SHARED_LIBRARY)
 
@@ -90,6 +94,8 @@
 
 LOCAL_CFLAGS := \
     -DOSCL_IMPORT_REF= -DOSCL_UNUSED_ARG= -DOSCL_EXPORT_REF=
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 LOCAL_STATIC_LIBRARIES := \
         libstagefright_avcenc
diff --git a/media/libstagefright/codecs/avcdec/Android.mk b/media/libstagefright/codecs/avcdec/Android.mk
index 902ab57..ef0dbfd 100644
--- a/media/libstagefright/codecs/avcdec/Android.mk
+++ b/media/libstagefright/codecs/avcdec/Android.mk
@@ -20,6 +20,9 @@
 LOCAL_SHARED_LIBRARIES  += libutils
 LOCAL_SHARED_LIBRARIES  += liblog
 
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
+
 LOCAL_LDFLAGS := -Wl,-Bsymbolic
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libstagefright/codecs/avcenc/Android.mk b/media/libstagefright/codecs/avcenc/Android.mk
index 24a4db9..70e531b 100644
--- a/media/libstagefright/codecs/avcenc/Android.mk
+++ b/media/libstagefright/codecs/avcenc/Android.mk
@@ -23,6 +23,9 @@
 LOCAL_SHARED_LIBRARIES  += libutils
 LOCAL_SHARED_LIBRARIES  += liblog
 
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
+
 LOCAL_LDFLAGS := -Wl,-Bsymbolic
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libstagefright/codecs/g711/dec/Android.mk b/media/libstagefright/codecs/g711/dec/Android.mk
index a0112e1..2750cb5 100644
--- a/media/libstagefright/codecs/g711/dec/Android.mk
+++ b/media/libstagefright/codecs/g711/dec/Android.mk
@@ -15,5 +15,7 @@
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libstagefright/codecs/gsm/dec/Android.mk b/media/libstagefright/codecs/gsm/dec/Android.mk
index 30868d5..562d416 100644
--- a/media/libstagefright/codecs/gsm/dec/Android.mk
+++ b/media/libstagefright/codecs/gsm/dec/Android.mk
@@ -10,6 +10,8 @@
         external/libgsm/inc
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 LOCAL_SHARED_LIBRARIES := \
         libstagefright libstagefright_omx libstagefright_foundation libutils liblog
diff --git a/media/libstagefright/codecs/hevcdec/Android.mk b/media/libstagefright/codecs/hevcdec/Android.mk
index c0c694e..78c4637 100644
--- a/media/libstagefright/codecs/hevcdec/Android.mk
+++ b/media/libstagefright/codecs/hevcdec/Android.mk
@@ -13,6 +13,8 @@
 LOCAL_C_INCLUDES += $(TOP)/external/libhevc/common
 LOCAL_C_INCLUDES += $(TOP)/frameworks/av/media/libstagefright/include
 LOCAL_C_INCLUDES += $(TOP)/frameworks/native/include/media/openmax
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 LOCAL_SHARED_LIBRARIES  := libstagefright
 LOCAL_SHARED_LIBRARIES  += libstagefright_omx
diff --git a/media/libstagefright/codecs/m4v_h263/dec/Android.mk b/media/libstagefright/codecs/m4v_h263/dec/Android.mk
index 1d232c6..eb39b44 100644
--- a/media/libstagefright/codecs/m4v_h263/dec/Android.mk
+++ b/media/libstagefright/codecs/m4v_h263/dec/Android.mk
@@ -47,6 +47,8 @@
 LOCAL_CFLAGS := -DOSCL_EXPORT_REF= -DOSCL_IMPORT_REF=
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_STATIC_LIBRARY)
 
@@ -75,5 +77,7 @@
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libstagefright/codecs/m4v_h263/enc/Android.mk b/media/libstagefright/codecs/m4v_h263/enc/Android.mk
index 762e6fe..ab079e8 100644
--- a/media/libstagefright/codecs/m4v_h263/enc/Android.mk
+++ b/media/libstagefright/codecs/m4v_h263/enc/Android.mk
@@ -34,6 +34,8 @@
     $(TOP)/frameworks/native/include/media/openmax
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_STATIC_LIBRARY)
 
@@ -75,6 +77,8 @@
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_SHARED_LIBRARY)
 
@@ -89,6 +93,8 @@
         $(LOCAL_PATH)/include
 
 LOCAL_CFLAGS := -DOSCL_EXPORT_REF= -DOSCL_IMPORT_REF= -DBX_RC
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 LOCAL_STATIC_LIBRARIES := \
         libstagefright_m4vh263enc
diff --git a/media/libstagefright/codecs/m4v_h263/enc/src/fastcodemb.cpp b/media/libstagefright/codecs/m4v_h263/enc/src/fastcodemb.cpp
index 0ad39a6..50c8161 100644
--- a/media/libstagefright/codecs/m4v_h263/enc/src/fastcodemb.cpp
+++ b/media/libstagefright/codecs/m4v_h263/enc/src/fastcodemb.cpp
@@ -527,6 +527,9 @@
 /*  Modified :                                                              */
 /*      8/15/01,  - do 4 pixel at a time    assuming 32 bit register        */
 /* ======================================================================== */
+#ifdef __clang__
+__attribute((no_sanitize("integer")))
+#endif
 Int Sad8x8(UChar *cur, UChar *prev, Int width)
 {
     UChar *end = cur + (width << 3);
@@ -590,7 +593,9 @@
 /*  Modified :                                                              */
 /*          8/15/01,  - SIMD 4 pixels at a time                         */
 /* ======================================================================== */
-
+#ifdef __clang__
+__attribute((no_sanitize("integer")))
+#endif
 Int getBlockSum(UChar *cur, Int width)
 {
     Int sad = 0, sum4 = 0, sum2 = 0;
diff --git a/media/libstagefright/codecs/mp3dec/Android.mk b/media/libstagefright/codecs/mp3dec/Android.mk
index e611f68..38618da 100644
--- a/media/libstagefright/codecs/mp3dec/Android.mk
+++ b/media/libstagefright/codecs/mp3dec/Android.mk
@@ -51,6 +51,8 @@
         -D"OSCL_UNUSED_ARG(x)=(void)(x)"
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 LOCAL_MODULE := libstagefright_mp3dec
 
@@ -72,6 +74,8 @@
         $(LOCAL_PATH)/include
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 LOCAL_SHARED_LIBRARIES := \
         libstagefright libstagefright_omx libstagefright_foundation libutils liblog
@@ -96,6 +100,8 @@
         $(LOCAL_PATH)/test/include \
         $(call include-path-for, audio-utils)
 
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 LOCAL_STATIC_LIBRARIES := \
         libstagefright_mp3dec libsndfile
 
diff --git a/media/libstagefright/codecs/mpeg2dec/Android.mk b/media/libstagefright/codecs/mpeg2dec/Android.mk
index 23b126d..f1c1719 100644
--- a/media/libstagefright/codecs/mpeg2dec/Android.mk
+++ b/media/libstagefright/codecs/mpeg2dec/Android.mk
@@ -21,6 +21,8 @@
 LOCAL_SHARED_LIBRARIES  += liblog
 
 LOCAL_LDFLAGS := -Wl,-Bsymbolic
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_SHARED_LIBRARY)
 
diff --git a/media/libstagefright/codecs/on2/dec/Android.mk b/media/libstagefright/codecs/on2/dec/Android.mk
index 93ff64c..a7e1ba2 100644
--- a/media/libstagefright/codecs/on2/dec/Android.mk
+++ b/media/libstagefright/codecs/on2/dec/Android.mk
@@ -21,5 +21,7 @@
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libstagefright/codecs/on2/enc/Android.mk b/media/libstagefright/codecs/on2/enc/Android.mk
index 253fa04..6eabd5b 100644
--- a/media/libstagefright/codecs/on2/enc/Android.mk
+++ b/media/libstagefright/codecs/on2/enc/Android.mk
@@ -11,6 +11,9 @@
         frameworks/av/media/libstagefright/include \
         frameworks/native/include/media/openmax \
 
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
+
 LOCAL_STATIC_LIBRARIES := \
         libvpx
 
diff --git a/media/libstagefright/codecs/on2/h264dec/Android.mk b/media/libstagefright/codecs/on2/h264dec/Android.mk
index bf03ad9..e7492b1 100644
--- a/media/libstagefright/codecs/on2/h264dec/Android.mk
+++ b/media/libstagefright/codecs/on2/h264dec/Android.mk
@@ -97,6 +97,9 @@
   endif
 endif
 
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
+
 LOCAL_SHARED_LIBRARIES := \
 	libstagefright libstagefright_omx libstagefright_foundation libutils liblog \
 
diff --git a/media/libstagefright/codecs/opus/dec/Android.mk b/media/libstagefright/codecs/opus/dec/Android.mk
index 2379c5f..24a4744 100644
--- a/media/libstagefright/codecs/opus/dec/Android.mk
+++ b/media/libstagefright/codecs/opus/dec/Android.mk
@@ -13,7 +13,10 @@
         libopus libstagefright libstagefright_omx \
         libstagefright_foundation libutils liblog
 
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
+
 LOCAL_MODULE := libstagefright_soft_opusdec
 LOCAL_MODULE_TAGS := optional
 
-include $(BUILD_SHARED_LIBRARY)
\ No newline at end of file
+include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libstagefright/codecs/raw/Android.mk b/media/libstagefright/codecs/raw/Android.mk
index 87080e7..86dd304 100644
--- a/media/libstagefright/codecs/raw/Android.mk
+++ b/media/libstagefright/codecs/raw/Android.mk
@@ -9,6 +9,8 @@
         frameworks/native/include/media/openmax
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 LOCAL_SHARED_LIBRARIES := \
         libstagefright_omx libstagefright_foundation libutils liblog
diff --git a/media/libstagefright/codecs/vorbis/dec/Android.mk b/media/libstagefright/codecs/vorbis/dec/Android.mk
index 217a6d2..6a139c1 100644
--- a/media/libstagefright/codecs/vorbis/dec/Android.mk
+++ b/media/libstagefright/codecs/vorbis/dec/Android.mk
@@ -17,5 +17,7 @@
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+LOCAL_SANITIZE := signed-integer-overflow
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/media/libstagefright/foundation/ABuffer.cpp b/media/libstagefright/foundation/ABuffer.cpp
index a5b81a8..804046a 100644
--- a/media/libstagefright/foundation/ABuffer.cpp
+++ b/media/libstagefright/foundation/ABuffer.cpp
@@ -67,10 +67,6 @@
         }
     }
 
-    if (mFarewell != NULL) {
-        mFarewell->post();
-    }
-
     setMediaBufferBase(NULL);
 }
 
@@ -82,10 +78,6 @@
     mRangeLength = size;
 }
 
-void ABuffer::setFarewellMessage(const sp<AMessage> msg) {
-    mFarewell = msg;
-}
-
 sp<AMessage> ABuffer::meta() {
     if (mMeta == NULL) {
         mMeta = new AMessage;