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  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   (BKTR,             bktr);
  51.     REGISTER_OUTDEV  (CACA,             caca);
  52.     REGISTER_INDEV   (DSHOW,            dshow);
  53.     REGISTER_INDEV   (DV1394,           dv1394);
  54.     REGISTER_INOUTDEV(FBDEV,            fbdev);
  55.     REGISTER_INDEV   (IEC61883,         iec61883);
  56.     REGISTER_INDEV   (JACK,             jack);
  57.     REGISTER_INDEV   (LAVFI,            lavfi);
  58.     REGISTER_INDEV   (OPENAL,           openal);
  59.     REGISTER_INOUTDEV(OSS,              oss);
  60.     REGISTER_INOUTDEV(PULSE,            pulse);
  61.     REGISTER_OUTDEV  (SDL,              sdl);
  62.     REGISTER_INOUTDEV(SNDIO,            sndio);
  63.     REGISTER_INOUTDEV(V4L2,             v4l2);
  64. //    REGISTER_INDEV   (V4L,              v4l
  65.     REGISTER_INDEV   (VFWCAP,           vfwcap);
  66.     REGISTER_INDEV   (X11GRAB,          x11grab);
  67.     REGISTER_OUTDEV  (XV,               xv);
  68.  
  69.     /* external libraries */
  70.     REGISTER_INDEV   (LIBCDIO,          libcdio);
  71.     REGISTER_INDEV   (LIBDC1394,        libdc1394);
  72. }
  73.