alldevices.c
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1 /*
2  * Register all the grabbing devices.
3  *
4  * This file is part of Libav.
5  *
6  * Libav 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  * Libav 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 Libav; 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"
22 #include "libavformat/avformat.h"
23 #include "avdevice.h"
24 
25 #define REGISTER_OUTDEV(X,x) { \
26  extern AVOutputFormat ff_##x##_muxer; \
27  if(CONFIG_##X##_OUTDEV) av_register_output_format(&ff_##x##_muxer); }
28 #define REGISTER_INDEV(X,x) { \
29  extern AVInputFormat ff_##x##_demuxer; \
30  if(CONFIG_##X##_INDEV) av_register_input_format(&ff_##x##_demuxer); }
31 #define REGISTER_INOUTDEV(X,x) REGISTER_OUTDEV(X,x); REGISTER_INDEV(X,x)
32 
34 {
35  static int initialized;
36 
37  if (initialized)
38  return;
39  initialized = 1;
40 
41  /* devices */
42  REGISTER_INOUTDEV (ALSA, alsa);
43  REGISTER_INDEV (BKTR, bktr);
44  REGISTER_INDEV (DV1394, dv1394);
45  REGISTER_INDEV (FBDEV, fbdev);
46  REGISTER_INDEV (JACK, jack);
47  REGISTER_INOUTDEV (OSS, oss);
48  REGISTER_INDEV (PULSE, pulse);
49  REGISTER_INOUTDEV (SNDIO, sndio);
50  REGISTER_INDEV (V4L2, v4l2);
51 #if FF_API_V4L
52  REGISTER_INDEV (V4L, v4l);
53 #endif
54  REGISTER_INDEV (VFWCAP, vfwcap);
55  REGISTER_INDEV (X11_GRAB_DEVICE, x11_grab_device);
56 
57  /* external libraries */
58  REGISTER_INDEV (LIBCDIO, libcdio);
59  REGISTER_INDEV (LIBDC1394, libdc1394);
60 }