alldevices.c 2.0 KB

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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. #include "config.h"
  21. #include "avdevice.h"
  22. #define REGISTER_OUTDEV(X,x) { \
  23. extern AVOutputFormat ff_##x##_muxer; \
  24. if(CONFIG_##X##_OUTDEV) av_register_output_format(&ff_##x##_muxer); }
  25. #define REGISTER_INDEV(X,x) { \
  26. extern AVInputFormat ff_##x##_demuxer; \
  27. if(CONFIG_##X##_INDEV) av_register_input_format(&ff_##x##_demuxer); }
  28. #define REGISTER_INOUTDEV(X,x) REGISTER_OUTDEV(X,x); REGISTER_INDEV(X,x)
  29. void avdevice_register_all(void)
  30. {
  31. static int initialized;
  32. if (initialized)
  33. return;
  34. initialized = 1;
  35. /* devices */
  36. REGISTER_INOUTDEV (ALSA, alsa);
  37. REGISTER_INDEV (BKTR, bktr);
  38. REGISTER_INDEV (DSHOW, dshow);
  39. REGISTER_INDEV (DV1394, dv1394);
  40. REGISTER_INDEV (FBDEV, fbdev);
  41. REGISTER_INDEV (JACK, jack);
  42. REGISTER_INDEV (OPENAL, openal);
  43. REGISTER_INOUTDEV (OSS, oss);
  44. REGISTER_OUTDEV (SDL, sdl);
  45. REGISTER_INOUTDEV (SNDIO, sndio);
  46. REGISTER_INDEV (V4L2, v4l2);
  47. #if FF_API_V4L
  48. REGISTER_INDEV (V4L, v4l);
  49. #endif
  50. REGISTER_INDEV (VFWCAP, vfwcap);
  51. REGISTER_INDEV (X11_GRAB_DEVICE, x11_grab_device);
  52. /* external libraries */
  53. REGISTER_INDEV (LIBDC1394, libdc1394);
  54. }