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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/sinewin.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/sinewin.h')
| -rw-r--r-- | libavcodec/sinewin.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/libavcodec/sinewin.h b/libavcodec/sinewin.h index 2268fd52f4..5f0a74afa9 100644 --- a/libavcodec/sinewin.h +++ b/libavcodec/sinewin.h @@ -30,20 +30,32 @@ # define SINETABLE_CONST #endif +#ifndef USE_FIXED +#define USE_FIXED 0 +#endif + +#if USE_FIXED +#define SINEWIN_SUFFIX(a) a ## _fixed +#define INTFLOAT int +#else +#define SINEWIN_SUFFIX(a) a +#define INTFLOAT float +#endif + #define SINETABLE(size) \ - SINETABLE_CONST DECLARE_ALIGNED(32, float, ff_sine_##size)[size] + SINETABLE_CONST DECLARE_ALIGNED(32, INTFLOAT, SINEWIN_SUFFIX(ff_sine_##size))[size] /** * Generate a sine window. * @param window pointer to half window * @param n size of half window */ -void ff_sine_window_init(float *window, int n); +void SINEWIN_SUFFIX(ff_sine_window_init)(INTFLOAT *window, int n); /** * initialize the specified entry of ff_sine_windows */ -void ff_init_ff_sine_windows(int index); +void SINEWIN_SUFFIX(ff_init_ff_sine_windows)(int index); extern SINETABLE( 32); extern SINETABLE( 64); @@ -55,6 +67,6 @@ extern SINETABLE(2048); extern SINETABLE(4096); extern SINETABLE(8192); -extern SINETABLE_CONST float * const ff_sine_windows[14]; +extern SINETABLE_CONST INTFLOAT * const SINEWIN_SUFFIX(ff_sine_windows)[14]; #endif /* AVCODEC_SINEWIN_H */ |