1/* 2 * Copyright (C) 2010 David Conrad 3 * Copyright (C) 2010 Ronald S. Bultje 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 * VP8 compatible video decoder 25 */ 26 27#ifndef AVCODEC_VP8DSP_H 28#define AVCODEC_VP8DSP_H 29 30#include "dsputil.h" 31 32typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, int dstStride, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y); 33 34typedef struct VP8DSPContext { 35 void (*vp8_luma_dc_wht)(DCTELEM block[4][4][16], DCTELEM dc[16]); 36 void (*vp8_luma_dc_wht_dc)(DCTELEM block[4][4][16], DCTELEM dc[16]); 37 void (*vp8_idct_add)(uint8_t *dst, DCTELEM block[16], int stride); 38 void (*vp8_idct_dc_add)(uint8_t *dst, DCTELEM block[16], int stride); 39 void (*vp8_idct_dc_add4y)(uint8_t *dst, DCTELEM block[4][16], int stride); 40 void (*vp8_idct_dc_add4uv)(uint8_t *dst, DCTELEM block[4][16], int stride); 41 42 // loop filter applied to edges between macroblocks 43 void (*vp8_v_loop_filter16y)(uint8_t *dst, int stride, 44 int flim_E, int flim_I, int hev_thresh); 45 void (*vp8_h_loop_filter16y)(uint8_t *dst, int stride, 46 int flim_E, int flim_I, int hev_thresh); 47 void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, int stride, 48 int flim_E, int flim_I, int hev_thresh); 49 void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, int stride, 50 int flim_E, int flim_I, int hev_thresh); 51 52 // loop filter applied to inner macroblock edges 53 void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, int stride, 54 int flim_E, int flim_I, int hev_thresh); 55 void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, int stride, 56 int flim_E, int flim_I, int hev_thresh); 57 void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, int stride, 58 int flim_E, int flim_I, int hev_thresh); 59 void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, int stride, 60 int flim_E, int flim_I, int hev_thresh); 61 62 void (*vp8_v_loop_filter_simple)(uint8_t *dst, int stride, int flim); 63 void (*vp8_h_loop_filter_simple)(uint8_t *dst, int stride, int flim); 64 65 /** 66 * first dimension: width>>3, height is assumed equal to width 67 * second dimension: 0 if no vertical interpolation is needed; 68 * 1 4-tap vertical interpolation filter (my & 1) 69 * 2 6-tap vertical interpolation filter (!(my & 1)) 70 * third dimension: same as second dimention, for horizontal interpolation 71 * so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my) 72 */ 73 vp8_mc_func put_vp8_epel_pixels_tab[3][3][3]; 74 vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3]; 75} VP8DSPContext; 76 77void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y); 78void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y); 79void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y); 80 81void ff_vp8dsp_init(VP8DSPContext *c); 82void ff_vp8dsp_init_x86(VP8DSPContext *c); 83void ff_vp8dsp_init_altivec(VP8DSPContext *c); 84void ff_vp8dsp_init_arm(VP8DSPContext *c); 85 86#endif /* AVCODEC_VP8DSP_H */ 87