vsink_nullsink.c 1.4 KB

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  1. /*
  2. * This file is part of FFmpeg.
  3. *
  4. * FFmpeg is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU Lesser General Public
  6. * License as published by the Free Software Foundation; either
  7. * version 2.1 of the License, or (at your option) any later version.
  8. *
  9. * FFmpeg is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * Lesser General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU Lesser General Public
  15. * License along with FFmpeg; if not, write to the Free Software
  16. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17. */
  18. #include "avfilter.h"
  19. static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
  20. {
  21. }
  22. static void end_frame(AVFilterLink *link)
  23. {
  24. }
  25. AVFilter avfilter_vsink_nullsink = {
  26. .name = "nullsink",
  27. .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input video."),
  28. .priv_size = 0,
  29. .inputs = (const AVFilterPad[]) {
  30. {
  31. .name = "default",
  32. .type = AVMEDIA_TYPE_VIDEO,
  33. .start_frame = start_frame,
  34. .end_frame = end_frame,
  35. },
  36. { .name = NULL},
  37. },
  38. .outputs = (const AVFilterPad[]) {{ .name = NULL }},
  39. };