| /* |
| * 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 |
| |
| #include <stdint.h> |
| #include <string.h> |
| |
| #if !defined(BITDEPTH) |
| typedef void pixel; |
| typedef void coef; |
| #define HIGHBD_DECL_SUFFIX /* nothing */ |
| #define HIGHBD_CALL_SUFFIX /* nothing */ |
| #define HIGHBD_TAIL_SUFFIX /* nothing */ |
| #elif BITDEPTH == 8 |
| typedef uint8_t pixel; |
| typedef int16_t coef; |
| #define PIXEL_TYPE uint8_t |
| #define COEF_TYPE int16_t |
| #define pixel_copy memcpy |
| #define pixel_set memset |
| #define iclip_pixel iclip_u8 |
| #define PIX_HEX_FMT "%02x" |
| #define bitfn(x) x##_8bpc |
| #define PXSTRIDE(x) x |
| #define highbd_only(x) |
| #define HIGHBD_DECL_SUFFIX /* nothing */ |
| #define HIGHBD_CALL_SUFFIX /* nothing */ |
| #define HIGHBD_TAIL_SUFFIX /* nothing */ |
| #define bitdepth_from_max(x) 8 |
| #elif BITDEPTH == 16 |
| typedef uint16_t pixel; |
| typedef int32_t coef; |
| #define PIXEL_TYPE uint16_t |
| #define COEF_TYPE int32_t |
| #define pixel_copy(a, b, c) memcpy(a, b, (c) << 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 iclip_pixel(x) iclip(x, 0, bitdepth_max) |
| #define HIGHBD_DECL_SUFFIX , const int bitdepth_max |
| #define HIGHBD_CALL_SUFFIX , f->bitdepth_max |
| #define HIGHBD_TAIL_SUFFIX , bitdepth_max |
| #define bitdepth_from_max(bitdepth_max) (32 - clz(bitdepth_max)) |
| #define bitfn(x) x##_16bpc |
| #define PXSTRIDE(x) (x >> 1) |
| #define highbd_only(x) x |
| #else |
| #error invalid value for bitdepth |
| #endif |
| #define bytefn(x) bitfn(x) |
| |
| #define bitfn_decls(name, ...) \ |
| name##_8bpc(__VA_ARGS__); \ |
| name##_16bpc(__VA_ARGS__) |
| |
| #endif /* DAV1D_COMMON_BITDEPTH_H */ |
