ref: a90a691dd263b947bd937f6049c35246df06fadc
dir: /include/common/bitdepth.h/
/* * Copyright © 2018, VideoLAN and dav1d authors * Copyright © 2018, Two Orioles, LLC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef __DAV1D_COMMON_BITDEPTH_H__ #define __DAV1D_COMMON_BITDEPTH_H__ 1 #include <stdint.h> #include <string.h> #if !defined(BITDEPTH) typedef void pixel; typedef void coef; #elif BITDEPTH == 8 typedef uint8_t pixel; typedef int16_t coef; #define pixel_copy memcpy #define pixel_set memset #define iclip_pixel iclip_u8 #define PIX_HEX_FMT "%02x" #define bytefn(x) x##_8bpc #define bitfn(x) x##_8bpc #define PXSTRIDE(x) x #elif BITDEPTH == 10 || BITDEPTH == 12 typedef uint16_t pixel; typedef int32_t coef; #define pixel_copy(a, b, c) memcpy(a, b, (c) << 1) #define iclip_pixel(x) iclip(x, 0, ((1 << BITDEPTH) - 1)) static inline void pixel_set(pixel *const dst, const int val, const int num) { for (int n = 0; n < num; n++) dst[n] = val; } #define PIX_HEX_FMT "%03x" #define bytefn(x) x##_16bpc #if BITDEPTH == 10 #define bitfn(x) x##_10bpc #else #define bitfn(x) x##_12bpc #endif #define PXSTRIDE(x) (x >> 1) #else #error invalid value for bitdepth #endif #endif /* __DAV1D_COMMON_BITDEPTH_H__ */