9c01aa1b0c
This minimize code differences between AOM master and nextgenv2 Change-Id: If144865bdf3ef0818e7aac11018b9e786444c550
103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_DSP_AOM_DSP_COMMON_H_
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#define AOM_DSP_AOM_DSP_COMMON_H_
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#include "./aom_config.h"
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#include "aom/aom_integer.h"
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#include "aom_ports/mem.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef MAX_SB_SIZE
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#if CONFIG_AV1 && CONFIG_EXT_PARTITION
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#define MAX_SB_SIZE 128
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#else
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#define MAX_SB_SIZE 64
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#endif // CONFIG_AV1 && CONFIG_EXT_PARTITION
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#endif // ndef MAX_SB_SIZE
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#define AOMMIN(x, y) (((x) < (y)) ? (x) : (y))
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#define AOMMAX(x, y) (((x) > (y)) ? (x) : (y))
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#define IMPLIES(a, b) (!(a) || (b)) // Logical 'a implies b' (or 'a -> b')
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#define IS_POWER_OF_TWO(x) (((x) & ((x)-1)) == 0)
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// These can be used to give a hint about branch outcomes.
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// This can have an effect, even if your target processor has a
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// good branch predictor, as these hints can affect basic block
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// ordering by the compiler.
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#ifdef __GNUC__
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#define LIKELY(v) __builtin_expect(v, 1)
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#define UNLIKELY(v) __builtin_expect(v, 0)
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#else
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#define LIKELY(v) (v)
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#define UNLIKELY(v) (v)
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#endif
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#define AOM_SWAP(type, a, b) \
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do { \
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type c = (b); \
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b = a; \
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a = c; \
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} while (0)
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#if CONFIG_AOM_QM
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typedef uint16_t qm_val_t;
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#define AOM_QM_BITS 6
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#endif
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#if CONFIG_AOM_HIGHBITDEPTH
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// Note:
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// tran_low_t is the datatype used for final transform coefficients.
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// tran_high_t is the datatype used for intermediate transform stages.
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typedef int64_t tran_high_t;
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typedef int32_t tran_low_t;
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#else
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// Note:
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// tran_low_t is the datatype used for final transform coefficients.
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// tran_high_t is the datatype used for intermediate transform stages.
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typedef int32_t tran_high_t;
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typedef int16_t tran_low_t;
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#endif // CONFIG_AOM_HIGHBITDEPTH
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static INLINE uint8_t clip_pixel(int val) {
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return (val > 255) ? 255 : (val < 0) ? 0 : val;
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}
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static INLINE int clamp(int value, int low, int high) {
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return value < low ? low : (value > high ? high : value);
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}
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static INLINE double fclamp(double value, double low, double high) {
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return value < low ? low : (value > high ? high : value);
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}
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#if CONFIG_AOM_HIGHBITDEPTH
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static INLINE uint16_t clip_pixel_highbd(int val, int bd) {
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switch (bd) {
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case 8:
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default: return (uint16_t)clamp(val, 0, 255);
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case 10: return (uint16_t)clamp(val, 0, 1023);
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case 12: return (uint16_t)clamp(val, 0, 4095);
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}
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}
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#endif // CONFIG_AOM_HIGHBITDEPTH
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AOM_DSP_AOM_DSP_COMMON_H_
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