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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /media/libtheora/lib/dct.h | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'media/libtheora/lib/dct.h')
| -rw-r--r-- | media/libtheora/lib/dct.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/media/libtheora/lib/dct.h b/media/libtheora/lib/dct.h new file mode 100644 index 0000000000..8052ea6bc1 --- /dev/null +++ b/media/libtheora/lib/dct.h @@ -0,0 +1,31 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 * + * by the Xiph.Org Foundation and contributors http://www.xiph.org/ * + * * + ******************************************************************** + + function: + last mod: $Id$ + + ********************************************************************/ + +/*Definitions shared by the forward and inverse DCT transforms.*/ +#if !defined(_dct_H) +# define _dct_H (1) + +/*cos(n*pi/16) (resp. sin(m*pi/16)) scaled by 65536.*/ +#define OC_C1S7 ((ogg_int32_t)64277) +#define OC_C2S6 ((ogg_int32_t)60547) +#define OC_C3S5 ((ogg_int32_t)54491) +#define OC_C4S4 ((ogg_int32_t)46341) +#define OC_C5S3 ((ogg_int32_t)36410) +#define OC_C6S2 ((ogg_int32_t)25080) +#define OC_C7S1 ((ogg_int32_t)12785) + +#endif |