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/*
* VC-1 and WMV3 decoder - DSP functions
* Copyright (c) 2006 Konstantin Shishkov
*
* 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
*/
/**
* @file
* VC-1 and WMV3 decoder
*
*/
#ifndef AVCODEC_VC1DSP_H
#define AVCODEC_VC1DSP_H
#include "dsputil.h"
typedef struct VC1DSPContext {
/* vc1 functions */
void (*vc1_inv_trans_8x8)(DCTELEM *b);
void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_v_overlap)(uint8_t *src, int stride);
void (*vc1_h_overlap)(uint8_t *src, int stride);
void (*vc1_v_s_overlap)(DCTELEM *top, DCTELEM *bottom);
void (*vc1_h_s_overlap)(DCTELEM *left, DCTELEM *right);
void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq);
void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
/* put 8x8 block with bicubic interpolation and quarterpel precision
* last argument is actually round value instead of height
*/
op_pixels_func put_vc1_mspel_pixels_tab[16];
op_pixels_func avg_vc1_mspel_pixels_tab[16];
/* This is really one func used in VC-1 decoding */
h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
/* Windows Media Image functions */
void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count);
void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width);
void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width);
void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
const uint8_t *src2a, int alpha, int width);
void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
const uint8_t *src2a, const uint8_t *src2b, int offset2,
int alpha, int width);
} VC1DSPContext;
void ff_vc1dsp_init(VC1DSPContext* c);
void ff_vc1dsp_init_altivec(VC1DSPContext* c);
void ff_vc1dsp_init_x86(VC1DSPContext* dsp);
#endif /* AVCODEC_VC1DSP_H */
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