diff options
Diffstat (limited to 'fdk-aac/libFDK/include/scale.h')
| -rw-r--r-- | fdk-aac/libFDK/include/scale.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/fdk-aac/libFDK/include/scale.h b/fdk-aac/libFDK/include/scale.h index 30fa089..fcfc116 100644 --- a/fdk-aac/libFDK/include/scale.h +++ b/fdk-aac/libFDK/include/scale.h @@ -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 @@ -123,7 +123,7 @@ void scaleValues(FIXP_DBL *dst, const FIXP_DBL *src, INT len, INT scalefactor); #if (SAMPLE_BITS == 16) void scaleValues(FIXP_PCM *dst, const FIXP_DBL *src, INT len, INT scalefactor); #endif -void scaleValues(FIXP_PCM *dst, const FIXP_SGL *src, INT len, INT scalefactor); +void scaleValues(FIXP_SGL *dst, const FIXP_SGL *src, INT len, INT scalefactor); void scaleCplxValues(FIXP_DBL *r_dst, FIXP_DBL *i_dst, const FIXP_DBL *r_src, const FIXP_DBL *i_src, INT len, INT scalefactor); void scaleValuesWithFactor(FIXP_DBL *vector, FIXP_DBL factor, INT len, @@ -241,20 +241,31 @@ inline void scaleValueInPlace(FIXP_DBL *value, /*!< Value */ #ifndef SATURATE_RIGHT_SHIFT #define SATURATE_RIGHT_SHIFT(src, scale, dBits) \ + (((scale) >= 8*sizeof(LONG)) ? (LONG)0 : \ ((((LONG)(src) >> (scale)) > (LONG)(((1U) << ((dBits)-1)) - 1)) \ ? (LONG)(((1U) << ((dBits)-1)) - 1) \ : (((LONG)(src) >> (scale)) < ~((LONG)(((1U) << ((dBits)-1)) - 1))) \ ? ~((LONG)(((1U) << ((dBits)-1)) - 1)) \ - : ((LONG)(src) >> (scale))) + : ((LONG)(src) >> (scale)))) +#endif + +#ifndef SATURATE_LEFT_MAX +#define SATURATE_LEFT_MAX(src, dBits) \ + (((LONG)(src) > 0) \ + ? (LONG)(((1U) << ((dBits)-1)) - 1) \ + : ((LONG)(src) < 0) \ + ? ~((LONG)(((1U) << ((dBits)-1)) - 1)) \ + : (LONG)0) #endif #ifndef SATURATE_LEFT_SHIFT #define SATURATE_LEFT_SHIFT(src, scale, dBits) \ + (((scale) >= 8*sizeof(LONG)) ? SATURATE_LEFT_MAX(src, dBits) : \ (((LONG)(src) > ((LONG)(((1U) << ((dBits)-1)) - 1) >> (scale))) \ ? (LONG)(((1U) << ((dBits)-1)) - 1) \ : ((LONG)(src) < ~((LONG)(((1U) << ((dBits)-1)) - 1) >> (scale))) \ ? ~((LONG)(((1U) << ((dBits)-1)) - 1)) \ - : ((LONG)(src) << (scale))) + : ((LONG)(src) << (scale)))) #endif #ifndef SATURATE_SHIFT |