1 /*
2  * Copyright 2003-2021 The Music Player Daemon Project
3  * http://www.musicpd.org
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #ifndef MPD_BYTE_REVERSE_HXX
21 #define MPD_BYTE_REVERSE_HXX
22 
23 #include <cstddef>
24 #include <cstdint>
25 
26 /**
27  * Reverse the bytes in each 16 bit "frame".  This function can be
28  * used for in-place operation.
29  */
30 void
31 reverse_bytes_16(uint16_t *dest,
32 		 const uint16_t *src, const uint16_t *src_end) noexcept;
33 
34 /**
35  * Reverse the bytes in each 32 bit "frame".  This function can be
36  * used for in-place operation.
37  */
38 void
39 reverse_bytes_32(uint32_t *dest,
40 		 const uint32_t *src, const uint32_t *src_end) noexcept;
41 
42 /**
43  * Reverse the bytes in each 64 bit "frame".  This function can be
44  * used for in-place operation.
45  */
46 void
47 reverse_bytes_64(uint64_t *dest,
48 		 const uint64_t *src, const uint64_t *src_end) noexcept;
49 
50 /**
51  * Reverse the bytes in each "frame".  This function cannot be used
52  * for in-place operation.
53  */
54 void
55 reverse_bytes(uint8_t *dest, const uint8_t *src, const uint8_t *src_end,
56 	      size_t frame_size) noexcept;
57 
58 #endif
59