ffmpeg.libavutil.macros source code

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 /**
20  * @file
21  * @ingroup lavu
22  * Utility Preprocessor macros
23  */
24 module ffmpeg.libavutil.macros;
25 extern (C) @nogc nothrow:
26 
27 /**
28  * @addtogroup preproc_misc Preprocessor String Macros
29  *
30  * String manipulation macros
31  *
32  * @{
33  */
34 
35 alias AV_STRINGIFY = AV_TOSTRING;
36 
37 extern (D) string AV_TOSTRING(T)(auto ref T s)
38 {
39     import std.conv : to;
40 
41     return to!string(s);
42 }
43 
44 extern (D) string AV_GLUE(T0, T1)(auto ref T0 a, auto ref T1 b)
45 {
46     import std.conv : to;
47 
48     return to!string(a) ~ to!string(b);
49 }
50 
51 alias AV_JOIN = AV_GLUE;
52 
53 /**
54  * @}
55  */
56 
57 extern (D) auto AV_PRAGMA(T)(auto ref T s)
58 {
59     import std.conv : to;
60 
61     return _Pragma(to!string(s));
62 }
63 
64 extern (D) auto FFALIGN(T0, T1)(auto ref T0 x, auto ref T1 a)
65 {
66     return (x + a - 1) & ~(a - 1);
67 }
68 
69 /* AVUTIL_MACROS_H */