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-rw-r--r--libFDK/src/FDK_bitbuffer.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/libFDK/src/FDK_bitbuffer.cpp b/libFDK/src/FDK_bitbuffer.cpp
index 98905ea..9b7f5b8 100644
--- a/libFDK/src/FDK_bitbuffer.cpp
+++ b/libFDK/src/FDK_bitbuffer.cpp
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------------
Software License for The Fraunhofer FDK AAC Codec Library for Android
-© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten
+© Copyright 1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten
Forschung e.V. All rights reserved.
1. INTRODUCTION
@@ -368,7 +368,10 @@ void FDK_Feed(HANDLE_FDK_BITBUF hBitBuf, const UCHAR *RESTRICT inputBuffer,
UINT bTotal = 0;
- UINT bToRead = (hBitBuf->bufBits - hBitBuf->ValidBits) >> 3;
+ UINT bToRead =
+ fMin(hBitBuf->bufBits,
+ (UINT)fMax(0, ((INT)hBitBuf->bufBits - (INT)hBitBuf->ValidBits))) >>
+ 3;
UINT noOfBytes =
fMin(bToRead,
*bytesValid); //(bToRead < *bytesValid) ? bToRead : *bytesValid ;
@@ -384,7 +387,7 @@ void FDK_Feed(HANDLE_FDK_BITBUF hBitBuf, const UCHAR *RESTRICT inputBuffer,
bToRead * sizeof(UCHAR));
/* add noOfBits to number of valid bits in buffer */
- hBitBuf->ValidBits += bToRead << 3;
+ hBitBuf->ValidBits = (UINT)((INT)hBitBuf->ValidBits + (INT)(bToRead << 3));
bTotal += bToRead;
inputBuffer += bToRead;