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FFmpeg/libavcodec/lossless_videodsp.h

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  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 "avcodec.h"

  26. #include "libavutil/cpu.h"

  27. 

  28. typedef struct LLVidDSPContext {

  29.     void (*add_int16)(uint16_t *dst/*align 16*/, const uint16_t *src/*align 16*/, unsigned mask, int w);

  30.     void (*diff_int16)(uint16_t *dst/*align 16*/, const uint16_t *src1/*align 16*/, const uint16_t *src2/*align 1*/, unsigned mask, int w);

  31. 

  32.     void (*sub_hfyu_median_prediction_int16)(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w, int *left, int *left_top);

  33.     void (*add_hfyu_median_prediction_int16)(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top);

  34.     int  (*add_hfyu_left_prediction_int16)(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned left);

  35. } LLVidDSPContext;

  36. 

  37. void ff_llviddsp_init(LLVidDSPContext *llviddsp, AVCodecContext *avctx);

  38. void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp, AVCodecContext *avctx);

  39. 

  40. #endif //AVCODEC_LOSSLESS_VIDEODSP_H