fwd_txfm.h 913 B

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  1. /*
  2. * Copyright (c) 2015 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 VPX_VPX_DSP_FWD_TXFM_H_
  11. #define VPX_VPX_DSP_FWD_TXFM_H_
  12. #include "vpx_dsp/txfm_common.h"
  13. static INLINE tran_high_t fdct_round_shift(tran_high_t input) {
  14. tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS);
  15. // TODO(debargha, peter.derivaz): Find new bounds for this assert
  16. // and make the bounds consts.
  17. // assert(INT16_MIN <= rv && rv <= INT16_MAX);
  18. return rv;
  19. }
  20. void vpx_fdct32(const tran_high_t *input, tran_high_t *output, int round);
  21. #endif // VPX_VPX_DSP_FWD_TXFM_H_