asink_anullsink.c 1.5 KB

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  1. /*
  2. * Copyright (c) 2010 S.N. Hemanth Meenakshisundaram <smeenaks@ucsd.edu>
  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 "libavutil/internal.h"
  21. #include "avfilter.h"
  22. #include "internal.h"
  23. static int null_filter_frame(AVFilterLink *link, AVFrame *frame)
  24. {
  25. av_frame_free(&frame);
  26. return 0;
  27. }
  28. static const AVFilterPad avfilter_asink_anullsink_inputs[] = {
  29. {
  30. .name = "default",
  31. .type = AVMEDIA_TYPE_AUDIO,
  32. .filter_frame = null_filter_frame,
  33. },
  34. { NULL },
  35. };
  36. AVFilter ff_asink_anullsink = {
  37. .name = "anullsink",
  38. .description = NULL_IF_CONFIG_SMALL("Do absolutely nothing with the input audio."),
  39. .priv_size = 0,
  40. .inputs = avfilter_asink_anullsink_inputs,
  41. .outputs = NULL,
  42. };