generate_wave_table.h 1.2 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. #ifndef AVFILTER_GENERATE_WAVE_TABLE_H
  19. #define AVFILTER_GENERATE_WAVE_TABLE_H
  20. #include "libavutil/samplefmt.h"
  21. enum WaveType {
  22. WAVE_SIN,
  23. WAVE_TRI,
  24. WAVE_NB,
  25. };
  26. void ff_generate_wave_table(enum WaveType wave_type,
  27. enum AVSampleFormat sample_fmt,
  28. void *table, int table_size,
  29. double min, double max, double phase);
  30. #endif /* AVFILTER_GENERATE_WAVE_TABLE_H */