dct.h (1336B)
1 /* 2 * (I)DCT Transforms 3 * Copyright (c) 2009 Peter Ross <pross@xvid.org> 4 * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> 5 * Copyright (c) 2010 Vitor Sessak 6 * 7 * This file is part of FFmpeg. 8 * 9 * FFmpeg is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * FFmpeg is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with FFmpeg; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24 #ifndef AVCODEC_DCT_H 25 #define AVCODEC_DCT_H 26 27 #include <stddef.h> 28 #include <stdint.h> 29 30 void ff_j_rev_dct(int16_t *data); 31 void ff_j_rev_dct4(int16_t *data); 32 void ff_j_rev_dct2(int16_t *data); 33 void ff_j_rev_dct1(int16_t *data); 34 void ff_jref_idct_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block); 35 void ff_jref_idct_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block); 36 37 #endif /* AVCODEC_DCT_H */