1 /*
2 * Register all the grabbing devices.
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "config.h"
23
24 #define REGISTER_OUTDEV(X, x) \
25 { \
26 extern AVOutputFormat ff_##x##_muxer; \
27 if (CONFIG_##X##_OUTDEV) \
28 av_register_output_format(&ff_##x##_muxer); \
29 }
30
31 #define REGISTER_INDEV(X, x) \
32 { \
33 extern AVInputFormat ff_##x##_demuxer; \
34 if (CONFIG_##X##_INDEV) \
35 av_register_input_format(&ff_##x##_demuxer); \
36 }
37
38 #define REGISTER_INOUTDEV(X, x) REGISTER_OUTDEV(X, x); REGISTER_INDEV(X, x)
39
41 {
42 static int initialized;
43
44 if (initialized)
45 return;
46 initialized = 1;
47
48 /* devices */
69 // REGISTER_INDEV (V4L, v4l
74
75 /* external libraries */
78 }