yading@10: /* yading@10: * Copyright (c) 2001-2003 BERO yading@10: * Copyright (c) 2011 Oskar Arvidsson yading@10: * yading@10: * This file is part of FFmpeg. yading@10: * yading@10: * FFmpeg is free software; you can redistribute it and/or yading@10: * modify it under the terms of the GNU Lesser General Public yading@10: * License as published by the Free Software Foundation; either yading@10: * version 2.1 of the License, or (at your option) any later version. yading@10: * yading@10: * FFmpeg is distributed in the hope that it will be useful, yading@10: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@10: * Lesser General Public License for more details. yading@10: * yading@10: * You should have received a copy of the GNU Lesser General Public yading@10: * License along with FFmpeg; if not, write to the Free Software yading@10: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@10: */ yading@10: yading@10: #ifndef AVCODEC_RND_AVG_H yading@10: #define AVCODEC_RND_AVG_H yading@10: yading@10: #include yading@10: #include yading@10: yading@10: #define CALL_2X_PIXELS(a, b, n)\ yading@10: static void a(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\ yading@10: b(block , pixels , line_size, h);\ yading@10: b(block+n, pixels+n, line_size, h);\ yading@10: } yading@10: yading@10: #define BYTE_VEC32(c) ((c)*0x01010101UL) yading@10: #define BYTE_VEC64(c) ((c)*0x0001000100010001UL) yading@10: yading@10: static inline uint32_t rnd_avg32(uint32_t a, uint32_t b) yading@10: { yading@10: return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); yading@10: } yading@10: yading@10: static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b) yading@10: { yading@10: return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); yading@10: } yading@10: yading@10: static inline uint64_t rnd_avg64(uint64_t a, uint64_t b) yading@10: { yading@10: return (a | b) - (((a ^ b) & ~BYTE_VEC64(0x01)) >> 1); yading@10: } yading@10: yading@10: static inline uint64_t no_rnd_avg64(uint64_t a, uint64_t b) yading@10: { yading@10: return (a & b) + (((a ^ b) & ~BYTE_VEC64(0x01)) >> 1); yading@10: } yading@10: yading@10: #endif /* AVCODEC_RND_AVG_H */