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| author | Jovan Zelincevic <jovan.zelincevic@imgtec.com> | 2015-06-30 11:53:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-07-09 14:41:19 +0200 |
| commit | 08be74ac8154e4a8936b7023cc3a7f5396fb182c (patch) | |
| tree | 525d36863acea79bb815a2ce3a28db565a952f6e /libavcodec/aac.h | |
| parent | f497a9e84edb24c99a9043e1b21c7e48f3908e87 (diff) | |
| download | ffmpeg-08be74ac8154e4a8936b7023cc3a7f5396fb182c.tar.gz | |
libavcodec: Implementation of AAC_fixed_decoder (LC-module) [2/4]
Add fixed point implementation of functions for generating tables
Signed-off-by: Nedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/aac.h')
| -rw-r--r-- | libavcodec/aac.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libavcodec/aac.h b/libavcodec/aac.h index 75494d2af1..04553e7a46 100644 --- a/libavcodec/aac.h +++ b/libavcodec/aac.h @@ -30,6 +30,29 @@ #ifndef AVCODEC_AAC_H #define AVCODEC_AAC_H +#ifndef USE_FIXED +#define USE_FIXED 0 +#endif + +#if USE_FIXED + +#include "libavutil/softfloat.h" + +#define FFT_FLOAT 0 +#define FFT_FIXED_32 1 + +#define Q30(x) (int)((x)*1073741824.0 + 0.5) +#define Q31(x) (int)((x)*2147483648.0 + 0.5) + +#else + +#define FFT_FLOAT 1 +#define FFT_FIXED_32 0 + +#define Q30(x) x +#define Q31(x) x +#endif /* USE_FIXED */ + #include "libavutil/float_dsp.h" #include "avcodec.h" #include "imdct15.h" |