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| author | Martin Storsjo <martin@martin.st> | 2020-11-17 12:38:51 +0200 |
|---|---|---|
| committer | Martin Storsjo <martin@martin.st> | 2020-11-17 12:38:51 +0200 |
| commit | c7a3808a2fd18bb4dad24d281cbb862b241806a9 (patch) | |
| tree | 2cea66fef9961cd71efc817fed7e857ef27099b0 /libFDK/include/mdct.h | |
| parent | d23a21ab427da642c8f32bb0659ae63a86f98e96 (diff) | |
| parent | f4adff7fbb0968a13fd5077ea3df734870aef3cf (diff) | |
| download | fdk-aac-c7a3808a2fd18bb4dad24d281cbb862b241806a9.tar.gz fdk-aac-c7a3808a2fd18bb4dad24d281cbb862b241806a9.tar.bz2 fdk-aac-c7a3808a2fd18bb4dad24d281cbb862b241806a9.zip | |
Merge remote-tracking branch 'aosp/master'
Diffstat (limited to 'libFDK/include/mdct.h')
| -rw-r--r-- | libFDK/include/mdct.h | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/libFDK/include/mdct.h b/libFDK/include/mdct.h index 1382374..e7cf3ad 100644 --- a/libFDK/include/mdct.h +++ b/libFDK/include/mdct.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 @@ -106,18 +106,16 @@ amm-info@iis.fraunhofer.de #include "common_fix.h" #define MDCT_OUT_HEADROOM 2 /* Output additional headroom */ -#define PCM_OUT_BITS SAMPLE_BITS + +#define PCM_OUT_BITS DFRACT_BITS #define PCM_OUT_HEADROOM 8 /* Must have the same values as DMXH_HEADROOM */ -#define MDCT_OUTPUT_SCALE (-MDCT_OUT_HEADROOM + (DFRACT_BITS - SAMPLE_BITS)) +#define MDCT_OUTPUT_SCALE (-MDCT_OUT_HEADROOM + (DFRACT_BITS - PCM_OUT_BITS)) /* Refer to "Output word length" in ISO/IEC 14496-3:2008(E) 23.2.3.6 */ #define MDCT_OUTPUT_GAIN 16 -#if (MDCT_OUTPUT_SCALE >= 0) -#define IMDCT_SCALE(x) SATURATE_RIGHT_SHIFT(x, MDCT_OUTPUT_SCALE, PCM_OUT_BITS) -#else -#define IMDCT_SCALE(x) SATURATE_LEFT_SHIFT(x, -MDCT_OUTPUT_SCALE, PCM_OUT_BITS) -#endif +#define IMDCT_SCALE(x, s) \ + SATURATE_RIGHT_SHIFT((x), ((s) + MDCT_OUTPUT_SCALE), PCM_OUT_BITS) #define IMDCT_SCALE_DBL(x) (FIXP_DBL)(x) #define IMDCT_SCALE_DBL_LSH1(x) SATURATE_LEFT_SHIFT_ALT((x), 1, DFRACT_BITS) |