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Side by Side Diff: patched-ffmpeg-mt/libavcodec/sh4/idct_sh4.c

Issue 789004: ffmpeg roll of source to mar 9 version... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: '' Created 10 years, 9 months ago
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1 /* 1 /*
2 * idct for sh4 2 * idct for sh4
3 * 3 *
4 * Copyright (c) 2001-2003 BERO <bero@geocities.co.jp> 4 * Copyright (c) 2001-2003 BERO <bero@geocities.co.jp>
5 * 5 *
6 * This file is part of FFmpeg. 6 * This file is part of FFmpeg.
7 * 7 *
8 * FFmpeg is free software; you can redistribute it and/or 8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public 9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either 10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version. 11 * version 2.1 of the License, or (at your option) any later version.
12 * 12 *
13 * FFmpeg is distributed in the hope that it will be useful, 13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details. 16 * Lesser General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU Lesser General Public 18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software 19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */ 21 */
22 22
23 #include "libavcodec/dsputil.h" 23 #include "libavcodec/dsputil.h"
24 #include "dsputil_sh4.h"
24 #include "sh4.h" 25 #include "sh4.h"
25 26
26 #define c1 1.38703984532214752434 /* sqrt(2)*cos(1*pi/16) */ 27 #define c1 1.38703984532214752434 /* sqrt(2)*cos(1*pi/16) */
27 #define c2 1.30656296487637657577 /* sqrt(2)*cos(2*pi/16) */ 28 #define c2 1.30656296487637657577 /* sqrt(2)*cos(2*pi/16) */
28 #define c3 1.17587560241935884520 /* sqrt(2)*cos(3*pi/16) */ 29 #define c3 1.17587560241935884520 /* sqrt(2)*cos(3*pi/16) */
29 #define c4 1.00000000000000000000 /* sqrt(2)*cos(4*pi/16) */ 30 #define c4 1.00000000000000000000 /* sqrt(2)*cos(4*pi/16) */
30 #define c5 0.78569495838710234903 /* sqrt(2)*cos(5*pi/16) */ 31 #define c5 0.78569495838710234903 /* sqrt(2)*cos(5*pi/16) */
31 #define c6 0.54119610014619712324 /* sqrt(2)*cos(6*pi/16) */ 32 #define c6 0.54119610014619712324 /* sqrt(2)*cos(6*pi/16) */
32 #define c7 0.27589937928294311353 /* sqrt(2)*cos(7*pi/16) */ 33 #define c7 0.27589937928294311353 /* sqrt(2)*cos(7*pi/16) */
33 34
(...skipping 318 matching lines...) Expand 10 before | Expand all | Expand 10 after
352 block[8*1] = DESCALE(t1 + fr1,3); 353 block[8*1] = DESCALE(t1 + fr1,3);
353 block[8*6] = DESCALE(t1 - fr1,3); 354 block[8*6] = DESCALE(t1 - fr1,3);
354 block[8*2] = DESCALE(t2 + fr2,3); 355 block[8*2] = DESCALE(t2 + fr2,3);
355 block[8*5] = DESCALE(t2 - fr2,3); 356 block[8*5] = DESCALE(t2 - fr2,3);
356 block[8*3] = DESCALE(t3 + fr3,3); 357 block[8*3] = DESCALE(t3 + fr3,3);
357 block[8*4] = DESCALE(t3 - fr3,3); 358 block[8*4] = DESCALE(t3 - fr3,3);
358 block++; 359 block++;
359 } while(--i); 360 } while(--i);
360 } 361 }
361 #endif 362 #endif
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