2 * Lossless video DSP utils
4 * This file is part of FFmpeg.
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.
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.
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
22 #ifndef AVCODEC_LOSSLESS_VIDEODSP_H
23 #define AVCODEC_LOSSLESS_VIDEODSP_H
29 #include "libavutil/cpu.h"
31 typedef struct LLVidDSPContext {
32 void (*add_bytes)(uint8_t *dst /* align 32 */, uint8_t *src /* align 32 */,
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);
40 int (*add_left_pred_int16)(uint16_t *dst, const uint16_t *src,
41 unsigned mask, ptrdiff_t w, unsigned left);
44 void ff_llviddsp_init(LLVidDSPContext *llviddsp);
45 void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp);
46 void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp);
48 #endif //AVCODEC_LOSSLESS_VIDEODSP_H