1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #ifndef AVCODEC_COPY_BLOCK_H
20 #define AVCODEC_COPY_BLOCK_H
21
22 #include <stddef.h>
23 #include <stdint.h>
24
25 #include "libavutil/intreadwrite.h"
26
copy_block2(uint8_t * dst,const uint8_t * src,ptrdiff_t dstStride,ptrdiff_t srcStride,int h)27 static inline void copy_block2(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)
28 {
29 int i;
30 for (i = 0; i < h; i++) {
31 AV_COPY16U(dst, src);
32 dst += dstStride;
33 src += srcStride;
34 }
35 }
36
copy_block4(uint8_t * dst,const uint8_t * src,ptrdiff_t dstStride,ptrdiff_t srcStride,int h)37 static inline void copy_block4(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)
38 {
39 int i;
40 for (i = 0; i < h; i++) {
41 AV_COPY32U(dst, src);
42 dst += dstStride;
43 src += srcStride;
44 }
45 }
46
copy_block8(uint8_t * dst,const uint8_t * src,ptrdiff_t dstStride,ptrdiff_t srcStride,int h)47 static inline void copy_block8(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)
48 {
49 int i;
50 for (i = 0; i < h; i++) {
51 AV_COPY64U(dst, src);
52 dst += dstStride;
53 src += srcStride;
54 }
55 }
56
copy_block9(uint8_t * dst,const uint8_t * src,ptrdiff_t dstStride,ptrdiff_t srcStride,int h)57 static inline void copy_block9(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)
58 {
59 int i;
60 for (i = 0; i < h; i++) {
61 AV_COPY64U(dst, src);
62 dst[8] = src[8];
63 dst += dstStride;
64 src += srcStride;
65 }
66 }
67
copy_block16(uint8_t * dst,const uint8_t * src,ptrdiff_t dstStride,ptrdiff_t srcStride,int h)68 static inline void copy_block16(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)
69 {
70 int i;
71 for (i = 0; i < h; i++) {
72 AV_COPY128U(dst, src);
73 dst += dstStride;
74 src += srcStride;
75 }
76 }
77
copy_block17(uint8_t * dst,const uint8_t * src,ptrdiff_t dstStride,ptrdiff_t srcStride,int h)78 static inline void copy_block17(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)
79 {
80 int i;
81 for (i = 0; i < h; i++) {
82 AV_COPY128U(dst, src);
83 dst[16] = src[16];
84 dst += dstStride;
85 src += srcStride;
86 }
87 }
88
89 #endif /* AVCODEC_COPY_BLOCK_H */
90