diff options
Diffstat (limited to 'third_party/aom/aom_dsp/fwd_txfm.h')
-rw-r--r-- | third_party/aom/aom_dsp/fwd_txfm.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/fwd_txfm.h b/third_party/aom/aom_dsp/fwd_txfm.h new file mode 100644 index 000000000..579dbd06e --- /dev/null +++ b/third_party/aom/aom_dsp/fwd_txfm.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#ifndef AOM_DSP_FWD_TXFM_H_ +#define AOM_DSP_FWD_TXFM_H_ + +#include "aom_dsp/txfm_common.h" + +static INLINE tran_high_t saturate_int16(tran_high_t value) { + tran_high_t result; + result = value > INT16_MAX ? INT16_MAX : value; + return result < INT16_MIN ? INT16_MIN : result; +} + +static INLINE tran_high_t fdct_round_shift(tran_high_t input) { + tran_high_t rv = ROUND_POWER_OF_TWO(input, DCT_CONST_BITS); + return rv; +} + +void aom_fdct32(const tran_high_t *input, tran_high_t *output, int round); +#endif // AOM_DSP_FWD_TXFM_H_ |