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 /* * Copyright (c) 2015 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef VPX_VPX_DSP_VPX_DSP_COMMON_H_ #define VPX_VPX_DSP_VPX_DSP_COMMON_H_ #include "./vpx_config.h" #include "vpx/vpx_integer.h" #include "vpx_ports/mem.h" #ifdef __cplusplus extern "C" { #endif #define VPXMIN(x, y) (((x) < (y)) ? (x) : (y)) #define VPXMAX(x, y) (((x) > (y)) ? (x) : (y)) #define VPX_SWAP(type, a, b) \ do { \ type c = (b); \ (b) = a; \ (a) = c; \ } while (0) #if CONFIG_VP9_HIGHBITDEPTH // Note: // tran_low_t is the datatype used for final transform coefficients. // tran_high_t is the datatype used for intermediate transform stages. typedef int64_t tran_high_t; typedef int32_t tran_low_t; #else // Note: // tran_low_t is the datatype used for final transform coefficients. // tran_high_t is the datatype used for intermediate transform stages. typedef int32_t tran_high_t; typedef int16_t tran_low_t; #endif // CONFIG_VP9_HIGHBITDEPTH typedef int16_t tran_coef_t; static INLINE uint8_t clip_pixel(int val) { return (val > 255) ? 255 : (val < 0) ? 0 : val; } static INLINE int clamp(int value, int low, int high) { return value < low ? low : (value > high ? high : value); } static INLINE double fclamp(double value, double low, double high) { return value < low ? low : (value > high ? high : value); } static INLINE int64_t lclamp(int64_t value, int64_t low, int64_t high) { return value < low ? low : (value > high ? high : value); } static INLINE uint16_t clip_pixel_highbd(int val, int bd) { switch (bd) { case 8: default: return (uint16_t)clamp(val, 0, 255); case 10: return (uint16_t)clamp(val, 0, 1023); case 12: return (uint16_t)clamp(val, 0, 4095); } } #ifdef __cplusplus } // extern "C" #endif #endif // VPX_VPX_DSP_VPX_DSP_COMMON_H_