ffmpeg/libavdevice/alldevices.c

   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"
  22 #include "avdevice.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
  40 void avdevice_register_all(void)
  41 {
  42     static int initialized;
  43
  44     if (initialized)
  45         return;
  46     initialized = 1;
  47
  48     /* devices */
  49     REGISTER_INOUTDEV(ALSA,             alsa);
  50     REGISTER_INDEV   (AVFOUNDATION,     avfoundation);
  51     REGISTER_INDEV   (BKTR,             bktr);
  52     REGISTER_OUTDEV  (CACA,             caca);
  53     REGISTER_INOUTDEV(DECKLINK,         decklink);
  54     REGISTER_INDEV   (DSHOW,            dshow);
  55     REGISTER_INDEV   (DV1394,           dv1394);
  56     REGISTER_INOUTDEV(FBDEV,            fbdev);
  57     REGISTER_INDEV   (GDIGRAB,          gdigrab);
  58     REGISTER_INDEV   (IEC61883,         iec61883);
  59     REGISTER_INDEV   (JACK,             jack);
  60     REGISTER_INDEV   (LAVFI,            lavfi);
  61     REGISTER_INDEV   (OPENAL,           openal);
  62     REGISTER_OUTDEV  (OPENGL,           opengl);
  63     REGISTER_INOUTDEV(OSS,              oss);
  64     REGISTER_INOUTDEV(PULSE,            pulse);
  65     REGISTER_INDEV   (QTKIT,            qtkit);
  66     REGISTER_OUTDEV  (SDL,              sdl);
  67     REGISTER_INOUTDEV(SNDIO,            sndio);
  68     REGISTER_INOUTDEV(V4L2,             v4l2);
  69 //    REGISTER_INDEV   (V4L,              v4l
  70     REGISTER_INDEV   (VFWCAP,           vfwcap);
  71     REGISTER_INDEV   (X11GRAB,          x11grab);
  72     REGISTER_INDEV   (X11GRAB_XCB,      x11grab_xcb);
  73     REGISTER_OUTDEV  (XV,               xv);
  74
  75     /* external libraries */
  76     REGISTER_INDEV   (LIBCDIO,          libcdio);
  77     REGISTER_INDEV   (LIBDC1394,        libdc1394);
  78 }