pixels.h (1384B)
1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #ifndef AVCODEC_PIXELS_H 20 #define AVCODEC_PIXELS_H 21 22 #include <stddef.h> 23 #include <stdint.h> 24 25 /* pixel operations */ 26 #define CALL_2X_PIXELS_MACRO(STATIC, a, b, n) \ 27 STATIC void a(uint8_t *block, const uint8_t *pixels, \ 28 ptrdiff_t line_size, int h) \ 29 { \ 30 b(block, pixels, line_size, h); \ 31 b(block + n, pixels + n, line_size, h); \ 32 } 33 34 #define CALL_2X_PIXELS(a, b, n) CALL_2X_PIXELS_MACRO(static, a, b, n) 35 #define CALL_2X_PIXELS_EXPORT(a, b, n) CALL_2X_PIXELS_MACRO(, a, b, n) 36 37 #endif /* AVCODEC_PIXELS_H */