From 8b22017f380f9d5b5220d4ff6d1c030b8886dc04 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Wed, 26 Nov 2008 13:38:13 +0000 Subject: Move aanscales tables to their own file; fixes compilation without encoders. based on a patch by David Geldreich, david.geldreich free fr Originally committed as revision 15939 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/aandcttab.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 libavcodec/aandcttab.c (limited to 'libavcodec/aandcttab.c') diff --git a/libavcodec/aandcttab.c b/libavcodec/aandcttab.c new file mode 100644 index 0000000000..4097067963 --- /dev/null +++ b/libavcodec/aandcttab.c @@ -0,0 +1,47 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file aandcttab.c + * AAN (Arai Agui Aakajima) (I)DCT tables + */ + +#include + +const uint16_t ff_aanscales[64] = { + /* precomputed values scaled up by 14 bits */ + 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, + 22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270, + 21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906, + 19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315, + 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, + 12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552, + 8867 , 12299, 11585, 10426, 8867, 6967, 4799, 2446, + 4520 , 6270, 5906, 5315, 4520, 3552, 2446, 1247 +}; + +const uint16_t ff_inv_aanscales[64] = { + 4096, 2953, 3135, 3483, 4096, 5213, 7568, 14846, + 2953, 2129, 2260, 2511, 2953, 3759, 5457, 10703, + 3135, 2260, 2399, 2666, 3135, 3990, 5793, 11363, + 3483, 2511, 2666, 2962, 3483, 4433, 6436, 12625, + 4096, 2953, 3135, 3483, 4096, 5213, 7568, 14846, + 5213, 3759, 3990, 4433, 5213, 6635, 9633, 18895, + 7568, 5457, 5793, 6436, 7568, 9633, 13985, 27432, + 14846, 10703, 11363, 12625, 14846, 18895, 27432, 53809, +}; -- cgit v1.2.3