2 * Register all the grabbing devices.
4 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavutil/thread.h"
25 #define REGISTER_OUTDEV(X, x) \
27 extern AVOutputFormat ff_##x##_muxer; \
28 if (CONFIG_##X##_OUTDEV) \
29 av_register_output_format(&ff_##x##_muxer); \
32 #define REGISTER_INDEV(X, x) \
34 extern AVInputFormat ff_##x##_demuxer; \
35 if (CONFIG_##X##_INDEV) \
36 av_register_input_format(&ff_##x##_demuxer); \
39 #define REGISTER_INOUTDEV(X, x) REGISTER_OUTDEV(X, x); REGISTER_INDEV(X, x)
41 static void register_all(void)
44 REGISTER_INOUTDEV(ALSA, alsa);
45 REGISTER_INDEV (AVFOUNDATION, avfoundation);
46 REGISTER_INDEV (BKTR, bktr);
47 REGISTER_OUTDEV (CACA, caca);
48 REGISTER_INOUTDEV(DECKLINK, decklink);
49 REGISTER_INDEV (DSHOW, dshow);
50 REGISTER_INDEV (DV1394, dv1394);
51 REGISTER_INOUTDEV(FBDEV, fbdev);
52 REGISTER_INDEV (GDIGRAB, gdigrab);
53 REGISTER_INDEV (IEC61883, iec61883);
54 REGISTER_INDEV (JACK, jack);
55 REGISTER_INDEV (LAVFI, lavfi);
56 REGISTER_INDEV (OPENAL, openal);
57 REGISTER_OUTDEV (OPENGL, opengl);
58 REGISTER_INOUTDEV(OSS, oss);
59 REGISTER_INOUTDEV(PULSE, pulse);
60 REGISTER_INDEV (QTKIT, qtkit);
61 REGISTER_OUTDEV (SDL2, sdl2);
62 REGISTER_INOUTDEV(SNDIO, sndio);
63 REGISTER_INOUTDEV(V4L2, v4l2);
64 // REGISTER_INDEV (V4L, v4l
65 REGISTER_INDEV (VFWCAP, vfwcap);
66 REGISTER_INDEV (XCBGRAB, xcbgrab);
67 REGISTER_OUTDEV (XV, xv);
69 /* external libraries */
70 REGISTER_INDEV (LIBCDIO, libcdio);
71 REGISTER_INDEV (LIBDC1394, libdc1394);
74 void avdevice_register_all(void)
76 AVOnce control = AV_ONCE_INIT;
78 ff_thread_once(&control, register_all);