1/* 2 * VC-1 and WMV3 decoder - DSP functions 3 * Copyright (c) 2006 Konstantin Shishkov 4 * 5 * This file is part of Libav. 6 * 7 * Libav is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * Libav is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with Libav; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22/** 23 * @file 24 * VC-1 and WMV3 decoder 25 * 26 */ 27 28#ifndef AVCODEC_VC1DSP_H 29#define AVCODEC_VC1DSP_H 30 31#include "dsputil.h" 32 33typedef struct VC1DSPContext { 34 /* vc1 functions */ 35 void (*vc1_inv_trans_8x8)(DCTELEM *b); 36 void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block); 37 void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block); 38 void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block); 39 void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block); 40 void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block); 41 void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block); 42 void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *block); 43 void (*vc1_v_overlap)(uint8_t *src, int stride); 44 void (*vc1_h_overlap)(uint8_t *src, int stride); 45 void (*vc1_v_s_overlap)(DCTELEM *top, DCTELEM *bottom); 46 void (*vc1_h_s_overlap)(DCTELEM *left, DCTELEM *right); 47 void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq); 48 void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq); 49 void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq); 50 void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq); 51 void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq); 52 void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq); 53 54 /* put 8x8 block with bicubic interpolation and quarterpel precision 55 * last argument is actually round value instead of height 56 */ 57 op_pixels_func put_vc1_mspel_pixels_tab[16]; 58 op_pixels_func avg_vc1_mspel_pixels_tab[16]; 59 60 /* This is really one func used in VC-1 decoding */ 61 h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3]; 62 h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3]; 63 64 /* Windows Media Image functions */ 65 void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count); 66 void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width); 67 void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width); 68 void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, 69 const uint8_t *src2a, int alpha, int width); 70 void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, 71 const uint8_t *src2a, const uint8_t *src2b, int offset2, 72 int alpha, int width); 73} VC1DSPContext; 74 75void ff_vc1dsp_init(VC1DSPContext* c); 76void ff_vc1dsp_init_altivec(VC1DSPContext* c); 77void ff_vc1dsp_init_mmx(VC1DSPContext* dsp); 78 79#endif /* AVCODEC_VC1DSP_H */ 80