vp9_quant_common.h 1.0 KB

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  1. /*
  2. * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  3. *
  4. * Use of this source code is governed by a BSD-style license
  5. * that can be found in the LICENSE file in the root of the source
  6. * tree. An additional intellectual property rights grant can be found
  7. * in the file PATENTS. All contributing project authors may
  8. * be found in the AUTHORS file in the root of the source tree.
  9. */
  10. #ifndef VP9_COMMON_VP9_QUANT_COMMON_H_
  11. #define VP9_COMMON_VP9_QUANT_COMMON_H_
  12. #include "vpx/vpx_codec.h"
  13. #include "vp9/common/vp9_seg_common.h"
  14. #ifdef __cplusplus
  15. extern "C" {
  16. #endif
  17. #define MINQ 0
  18. #define MAXQ 255
  19. #define QINDEX_RANGE (MAXQ - MINQ + 1)
  20. #define QINDEX_BITS 8
  21. int16_t vp9_dc_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
  22. int16_t vp9_ac_quant(int qindex, int delta, vpx_bit_depth_t bit_depth);
  23. int vp9_get_qindex(const struct segmentation *seg, int segment_id,
  24. int base_qindex);
  25. #ifdef __cplusplus
  26. } // extern "C"
  27. #endif
  28. #endif // VP9_COMMON_VP9_QUANT_COMMON_H_