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https://github.com/FFmpeg/FFmpeg.git
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68 lines
3.2 KiB
C
68 lines
3.2 KiB
C
/*
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* Copyright (C) 2010 David Conrad
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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_DIRACDSP_H
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#define AVCODEC_DIRACDSP_H
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#include <stdint.h>
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typedef void (*dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h);
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typedef void (*dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h);
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typedef struct {
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void (*dirac_hpel_filter)(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, int stride, int width, int height);
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/**
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* dirac_pixels_tab[width][subpel]
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* width is 2 for 32, 1 for 16, 0 for 8
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* subpel is 0 for fpel and hpel (only need to copy from the first plane in src)
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* 1 if an average of the first 2 planes is needed (TODO: worth it?)
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* 2 for general qpel (avg of 4)
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* 3 for general epel (biweight of 4 using the weights in src[4])
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* src[0-3] is each of the hpel planes
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* src[4] is the 1/8 pel weights if needed
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*/
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void (*put_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h);
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void (*avg_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h);
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void (*put_signed_rect_clamped[3])(uint8_t *dst/*align 16*/, int dst_stride, const uint8_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/);
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void (*put_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const uint8_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/);
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void (*add_rect_clamped)(uint8_t *dst/*align 16*/, const uint16_t *src/*align 16*/, int stride, const int16_t *idwt/*align 16*/, int idwt_stride, int width, int height/*mod 2*/);
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void (*add_dirac_obmc[3])(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
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dirac_weight_func weight_dirac_pixels_tab[3];
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dirac_biweight_func biweight_dirac_pixels_tab[3];
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} DiracDSPContext;
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#define DECL_DIRAC_PIXOP(PFX, EXT) \
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void ff_ ## PFX ## _dirac_pixels8_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \
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void ff_ ## PFX ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \
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void ff_ ## PFX ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h)
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DECL_DIRAC_PIXOP(put, c);
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DECL_DIRAC_PIXOP(avg, c);
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DECL_DIRAC_PIXOP(put, l2_c);
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DECL_DIRAC_PIXOP(avg, l2_c);
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DECL_DIRAC_PIXOP(put, l4_c);
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DECL_DIRAC_PIXOP(avg, l4_c);
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void ff_diracdsp_init(DiracDSPContext *c);
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#endif /* AVCODEC_DIRACDSP_H */
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