Libav
copy_block.h
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1 /*
2  * This file is part of Libav.
3  *
4  * Libav 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  * Libav 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 Libav; 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 <stdint.h>
23 
24 #include "libavutil/intreadwrite.h"
25 
26 static inline void copy_block4(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
27 {
28  int i;
29  for (i = 0; i < h; i++) {
30  AV_COPY32U(dst, src);
31  dst += dstStride;
32  src += srcStride;
33  }
34 }
35 
36 static inline void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
37 {
38  int i;
39  for (i = 0; i < h; i++) {
40  AV_COPY64U(dst, src);
41  dst += dstStride;
42  src += srcStride;
43  }
44 }
45 
46 static inline void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
47 {
48  int i;
49  for (i = 0; i < h; i++) {
50  AV_COPY64U(dst, src);
51  dst[8] = src[8];
52  dst += dstStride;
53  src += srcStride;
54  }
55 }
56 
57 static inline void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
58 {
59  int i;
60  for (i = 0; i < h; i++) {
61  AV_COPY128U(dst, src);
62  dst += dstStride;
63  src += srcStride;
64  }
65 }
66 
67 static inline void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
68 {
69  int i;
70  for (i = 0; i < h; i++) {
71  AV_COPY128U(dst, src);
72  dst[16] = src[16];
73  dst += dstStride;
74  src += srcStride;
75  }
76 }
77 
78 #endif /* AVCODEC_COPY_BLOCK_H */
static void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:57
static void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:46
uint8_t
#define AV_COPY128U(d, s)
Definition: intreadwrite.h:485
#define AV_COPY64U(d, s)
Definition: intreadwrite.h:481
static void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:67
#define AV_COPY32U(d, s)
Definition: intreadwrite.h:477
static void copy_block4(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:26
static void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
Definition: copy_block.h:36