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Side by Side Diff: patched-ffmpeg-mt/libavcodec/ppc/gmc_altivec.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 * GMC (Global Motion Compensation) 2 * GMC (Global Motion Compensation)
3 * AltiVec-enabled 3 * AltiVec-enabled
4 * Copyright (c) 2003 Romain Dolbeau <romain@dolbeau.org> 4 * Copyright (c) 2003 Romain Dolbeau <romain@dolbeau.org>
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_ppc.h" 24 #include "dsputil_ppc.h"
25 #include "util_altivec.h" 25 #include "util_altivec.h"
26 #include "types_altivec.h" 26 #include "types_altivec.h"
27 #include "dsputil_altivec.h"
27 28
28 /* 29 /*
29 altivec-enhanced gmc1. ATM this code assume stride is a multiple of 8, 30 altivec-enhanced gmc1. ATM this code assume stride is a multiple of 8,
30 to preserve proper dst alignment. 31 to preserve proper dst alignment.
31 */ 32 */
32 #define GMC1_PERF_COND (h==8) 33 #define GMC1_PERF_COND (h==8)
33 void gmc1_altivec(uint8_t *dst /* align 8 */, uint8_t *src /* align1 */, int str ide, int h, int x16, int y16, int rounder) 34 void gmc1_altivec(uint8_t *dst /* align 8 */, uint8_t *src /* align1 */, int str ide, int h, int x16, int y16, int rounder)
34 { 35 {
35 POWERPC_PERF_DECLARE(altivec_gmc1_num, GMC1_PERF_COND); 36 POWERPC_PERF_DECLARE(altivec_gmc1_num, GMC1_PERF_COND);
36 const DECLARE_ALIGNED_16(unsigned short, rounder_a) = rounder; 37 const DECLARE_ALIGNED(16, unsigned short, rounder_a) = rounder;
37 const DECLARE_ALIGNED_16(unsigned short, ABCD)[8] = 38 const DECLARE_ALIGNED(16, unsigned short, ABCD)[8] =
38 { 39 {
39 (16-x16)*(16-y16), /* A */ 40 (16-x16)*(16-y16), /* A */
40 ( x16)*(16-y16), /* B */ 41 ( x16)*(16-y16), /* B */
41 (16-x16)*( y16), /* C */ 42 (16-x16)*( y16), /* C */
42 ( x16)*( y16), /* D */ 43 ( x16)*( y16), /* D */
43 0, 0, 0, 0 /* padding */ 44 0, 0, 0, 0 /* padding */
44 }; 45 };
45 register const vector unsigned char vczero = (const vector unsigned char)vec _splat_u8(0); 46 register const vector unsigned char vczero = (const vector unsigned char)vec _splat_u8(0);
46 register const vector unsigned short vcsr8 = (const vector unsigned short)ve c_splat_u16(8); 47 register const vector unsigned short vcsr8 = (const vector unsigned short)ve c_splat_u16(8);
47 register vector unsigned char dstv, dstv2, src_0, src_1, srcvA, srcvB, srcvC , srcvD; 48 register vector unsigned char dstv, dstv2, src_0, src_1, srcvA, srcvB, srcvC , srcvD;
(...skipping 80 matching lines...) Expand 10 before | Expand all | Expand 10 after
128 } 129 }
129 130
130 vec_st(dstv2, 0, dst); 131 vec_st(dstv2, 0, dst);
131 132
132 dst += stride; 133 dst += stride;
133 src += stride; 134 src += stride;
134 } 135 }
135 136
136 POWERPC_PERF_STOP_COUNT(altivec_gmc1_num, GMC1_PERF_COND); 137 POWERPC_PERF_STOP_COUNT(altivec_gmc1_num, GMC1_PERF_COND);
137 } 138 }
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