aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* Copyright (C) 2010 David Conrad
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_DIRACDSP_H
#define AVCODEC_DIRACDSP_H
#include <stdint.h>
#include <stddef.h>
typedef void (*dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h);
typedef void (*dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h);
typedef struct {
void (*dirac_hpel_filter)(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, int stride, int width, int height);
/**
* dirac_pixels_tab[width][subpel]
* width is 2 for 32, 1 for 16, 0 for 8
* subpel is 0 for fpel and hpel (only need to copy from the first plane in src)
* 1 if an average of the first 2 planes is needed (TODO: worth it?)
* 2 for general qpel (avg of 4)
* 3 for general epel (biweight of 4 using the weights in src[4])
* src[0-3] is each of the hpel planes
* src[4] is the 1/8 pel weights if needed
*/
void (*put_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h);
void (*avg_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h);
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*/);
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*/);
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*/);
void (*add_dirac_obmc[3])(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen);
/* 0-1: int16_t and int32_t asm/c, 2-3: int16 and int32_t, C only */
void (*dequant_subband[4])(uint8_t *src, uint8_t *dst, ptrdiff_t stride, const int qf, const int qs, int tot_v, int tot_h);
dirac_weight_func weight_dirac_pixels_tab[3];
dirac_biweight_func biweight_dirac_pixels_tab[3];
} DiracDSPContext;
#define DECL_DIRAC_PIXOP(PFX, EXT) \
void ff_ ## PFX ## _dirac_pixels8_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \
void ff_ ## PFX ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \
void ff_ ## PFX ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h)
DECL_DIRAC_PIXOP(put, c);
DECL_DIRAC_PIXOP(avg, c);
DECL_DIRAC_PIXOP(put, l2_c);
DECL_DIRAC_PIXOP(avg, l2_c);
DECL_DIRAC_PIXOP(put, l4_c);
DECL_DIRAC_PIXOP(avg, l4_c);
void ff_diracdsp_init(DiracDSPContext *c);
void ff_diracdsp_init_x86(DiracDSPContext* c);
#endif /* AVCODEC_DIRACDSP_H */
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