47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/*
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* Lossless video DSP utils
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_LOSSLESS_VIDEODSP_H
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#define AVCODEC_LOSSLESS_VIDEODSP_H
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#include <stdint.h>
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#include <stddef.h>
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typedef struct LLVidDSPContext {
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void (*add_bytes)(uint8_t *dst /* align 32 */, uint8_t *src /* align 32 */,
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ptrdiff_t w);
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void (*add_median_pred)(uint8_t *dst, const uint8_t *top,
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const uint8_t *diff, ptrdiff_t w,
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int *left, int *left_top);
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int (*add_left_pred)(uint8_t *dst, const uint8_t *src,
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ptrdiff_t w, int left);
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int (*add_left_pred_int16)(uint16_t *dst, const uint16_t *src,
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unsigned mask, ptrdiff_t w, unsigned left);
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void (*add_gradient_pred)(uint8_t *src /* align 32 */, const ptrdiff_t stride, const ptrdiff_t width);
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} LLVidDSPContext;
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void ff_llviddsp_init(LLVidDSPContext *llviddsp);
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void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp);
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void ff_llviddsp_init_ppc(LLVidDSPContext *llviddsp);
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#endif //AVCODEC_LOSSLESS_VIDEODSP_H
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