1 /* 2 * Lossless video DSP utils 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 #ifndef AVCODEC_LOSSLESS_VIDEODSP_H 23 #define AVCODEC_LOSSLESS_VIDEODSP_H 24 25 #include <stdint.h> 26 #include <stddef.h> 27 28 #include "avcodec.h" 29 #include "libavutil/cpu.h" 30 31 typedef struct LLVidDSPContext { 32 void (*add_bytes)(uint8_t *dst /* align 32 */, uint8_t *src /* align 32 */, 33 ptrdiff_t w); 34 void (*add_median_pred)(uint8_t *dst, const uint8_t *top, 35 const uint8_t *diff, ptrdiff_t w, 36 int *left, int *left_top); 37 int (*add_left_pred)(uint8_t *dst, const uint8_t *src, 38 ptrdiff_t w, int left); 39 40 int (*add_left_pred_int16)(uint16_t *dst, const uint16_t *src, 41 unsigned mask, ptrdiff_t w, unsigned left); 42 void (*add_gradient_pred)(uint8_t *src /* align 32 */, const ptrdiff_t stride, const ptrdiff_t width); 43 } LLVidDSPContext; 44 45 void ff_llviddsp_init(LLVidDSPContext *llviddsp); 46 void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp); 47 void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp); 48 49 #endif //AVCODEC_LOSSLESS_VIDEODSP_H 50