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| author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2010-01-09 13:28:04 +0000 |
|---|---|---|
| committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2010-01-09 13:28:04 +0000 |
| commit | 14b8607065ff7204cff29b108e42fd930a52a5ed (patch) | |
| tree | eb04acb8a0efea46d50055f7af472d9597ab37c8 /libavcodec/mdct.c | |
| parent | b090930d432957a06f78701212b3024f93958f17 (diff) | |
| download | ffmpeg-14b8607065ff7204cff29b108e42fd930a52a5ed.tar.gz | |
Add support for hard-coded MDCT-related ff_sine_windows tables.
Originally committed as revision 21108 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mdct.c')
| -rw-r--r-- | libavcodec/mdct.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/libavcodec/mdct.c b/libavcodec/mdct.c index a2b9e8b423..8734bdc56f 100644 --- a/libavcodec/mdct.c +++ b/libavcodec/mdct.c @@ -48,26 +48,7 @@ av_cold void ff_kbd_window_init(float *window, float alpha, int n) window[i] = sqrt(local_window[i] / sum); } -DECLARE_ALIGNED(16, float, ff_sine_32 [ 32]); -DECLARE_ALIGNED(16, float, ff_sine_64 [ 64]); -DECLARE_ALIGNED(16, float, ff_sine_128 [ 128]); -DECLARE_ALIGNED(16, float, ff_sine_256 [ 256]); -DECLARE_ALIGNED(16, float, ff_sine_512 [ 512]); -DECLARE_ALIGNED(16, float, ff_sine_1024[1024]); -DECLARE_ALIGNED(16, float, ff_sine_2048[2048]); -DECLARE_ALIGNED(16, float, ff_sine_4096[4096]); -float * const ff_sine_windows[] = { - NULL, NULL, NULL, NULL, NULL, // unused - ff_sine_32 , ff_sine_64 , - ff_sine_128, ff_sine_256, ff_sine_512, ff_sine_1024, ff_sine_2048, ff_sine_4096 -}; - -// Generate a sine window. -av_cold void ff_sine_window_init(float *window, int n) { - int i; - for(i = 0; i < n; i++) - window[i] = sinf((i + 0.5) * (M_PI / (2.0 * n))); -} +#include "mdct_tablegen.h" /** * init MDCT or IMDCT computation. |