1 /* 2 * Canopus HQ/HQA decoder 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 /** 22 * @file 23 * HQ/HQA variant of AAN IDCT 24 * It differs from the standard AAN IDCT in precision and in the second stage. 25 */ 26 27 #ifndef AVCODEC_HQ_HQADSP_H 28 #define AVCODEC_HQ_HQADSP_H 29 30 #include <stdint.h> 31 32 typedef struct HQDSPContext { 33 void (*idct_put)(uint8_t *dst, int stride, int16_t *block); 34 } HQDSPContext; 35 36 void ff_hqdsp_init(HQDSPContext *c); 37 38 #endif /* AVCODEC_HQ_HQADSP_H */ 39