audio-resampler.h 1.5 KB

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  1. /******************************************************************************
  2. Copyright (C) 2023 by Lain Bailey <lain@obsproject.com>
  3. This program is free software: you can redistribute it and/or modify
  4. it under the terms of the GNU General Public License as published by
  5. the Free Software Foundation, either version 2 of the License, or
  6. (at your option) any later version.
  7. This program is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. GNU General Public License for more details.
  11. You should have received a copy of the GNU General Public License
  12. along with this program. If not, see <http://www.gnu.org/licenses/>.
  13. ******************************************************************************/
  14. #pragma once
  15. #include "../util/c99defs.h"
  16. #include "audio-io.h"
  17. #ifdef __cplusplus
  18. extern "C" {
  19. #endif
  20. struct audio_resampler;
  21. typedef struct audio_resampler audio_resampler_t;
  22. struct resample_info {
  23. uint32_t samples_per_sec;
  24. enum audio_format format;
  25. enum speaker_layout speakers;
  26. };
  27. EXPORT audio_resampler_t *audio_resampler_create(const struct resample_info *dst, const struct resample_info *src);
  28. EXPORT void audio_resampler_destroy(audio_resampler_t *resampler);
  29. EXPORT bool audio_resampler_resample(audio_resampler_t *resampler, uint8_t *output[], uint32_t *out_frames,
  30. uint64_t *ts_offset, const uint8_t *const input[], uint32_t in_frames);
  31. #ifdef __cplusplus
  32. }
  33. #endif