1 /* 2 * RV30/40 decoder motion compensation functions 3 * Copyright (c) 2008 Konstantin Shishkov 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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 * RV30/40 decoder motion compensation functions 25 */ 26 27 #ifndef AVCODEC_RV34DSP_H 28 #define AVCODEC_RV34DSP_H 29 30 #include "h264chroma.h" 31 #include "qpeldsp.h" 32 33 typedef void (*rv40_weight_func)(uint8_t *dst/*align width (8 or 16)*/, 34 uint8_t *src1/*align width (8 or 16)*/, 35 uint8_t *src2/*align width (8 or 16)*/, 36 int w1, int w2, ptrdiff_t stride); 37 38 typedef void (*rv34_inv_transform_func)(int16_t *block); 39 40 typedef void (*rv34_idct_add_func)(uint8_t *dst, ptrdiff_t stride, int16_t *block); 41 typedef void (*rv34_idct_dc_add_func)(uint8_t *dst, ptrdiff_t stride, 42 int dc); 43 44 typedef void (*rv40_weak_loop_filter_func)(uint8_t *src, ptrdiff_t stride, 45 int filter_p1, int filter_q1, 46 int alpha, int beta, 47 int lims, int lim_q1, int lim_p1); 48 49 typedef void (*rv40_strong_loop_filter_func)(uint8_t *src, ptrdiff_t stride, 50 int alpha, int lims, 51 int dmode, int chroma); 52 53 typedef int (*rv40_loop_filter_strength_func)(uint8_t *src, ptrdiff_t stride, 54 int beta, int beta2, int edge, 55 int *p1, int *q1); 56 57 typedef struct RV34DSPContext { 58 qpel_mc_func put_pixels_tab[4][16]; 59 qpel_mc_func avg_pixels_tab[4][16]; 60 h264_chroma_mc_func put_chroma_pixels_tab[3]; 61 h264_chroma_mc_func avg_chroma_pixels_tab[3]; 62 /** 63 * Biweight functions, first dimension is transform size (16/8), 64 * second is whether the weight is prescaled by 1/512 to skip 65 * the intermediate shifting. 66 */ 67 rv40_weight_func rv40_weight_pixels_tab[2][2]; 68 rv34_inv_transform_func rv34_inv_transform; 69 rv34_inv_transform_func rv34_inv_transform_dc; 70 rv34_idct_add_func rv34_idct_add; 71 rv34_idct_dc_add_func rv34_idct_dc_add; 72 rv40_weak_loop_filter_func rv40_weak_loop_filter[2]; 73 rv40_strong_loop_filter_func rv40_strong_loop_filter[2]; 74 rv40_loop_filter_strength_func rv40_loop_filter_strength[2]; 75 } RV34DSPContext; 76 77 void ff_rv30dsp_init(RV34DSPContext *c); 78 void ff_rv34dsp_init(RV34DSPContext *c); 79 void ff_rv40dsp_init(RV34DSPContext *c); 80 81 void ff_rv34dsp_init_arm(RV34DSPContext *c); 82 void ff_rv34dsp_init_x86(RV34DSPContext *c); 83 84 void ff_rv40dsp_init_aarch64(RV34DSPContext *c); 85 void ff_rv40dsp_init_x86(RV34DSPContext *c); 86 void ff_rv40dsp_init_arm(RV34DSPContext *c); 87 88 #endif /* AVCODEC_RV34DSP_H */ 89