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_LOSSLESS_VIDEOENCDSP_H 20 #define AVCODEC_LOSSLESS_VIDEOENCDSP_H 21 22 #include <stdint.h> 23 24 #include "avcodec.h" 25 26 typedef struct LLVidEncDSPContext { 27 void (*diff_bytes)(uint8_t *dst /* align 16 */, 28 const uint8_t *src1 /* align 16 */, 29 const uint8_t *src2 /* align 1 */, 30 intptr_t w); 31 /** 32 * Subtract HuffYUV's variant of median prediction. 33 * Note, this might read from src1[-1], src2[-1]. 34 */ 35 void (*sub_median_pred)(uint8_t *dst, const uint8_t *src1, 36 const uint8_t *src2, intptr_t w, 37 int *left, int *left_top); 38 39 void (*sub_left_predict)(uint8_t *dst, uint8_t *src, 40 ptrdiff_t stride, ptrdiff_t width, int height); 41 } LLVidEncDSPContext; 42 43 void ff_llvidencdsp_init(LLVidEncDSPContext *c); 44 void ff_llvidencdsp_init_x86(LLVidEncDSPContext *c); 45 46 #endif /* AVCODEC_LOSSLESS_VIDEOENCDSP_H */ 47