vp8dsp.h (4637B)
1 /* 2 * Copyright (C) 2010 David Conrad 3 * Copyright (C) 2010 Ronald S. Bultje 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 * VP8 compatible video decoder 25 */ 26 27 #ifndef AVCODEC_VP8DSP_H 28 #define AVCODEC_VP8DSP_H 29 30 #include <stddef.h> 31 #include <stdint.h> 32 33 typedef void (*vp8_mc_func)(uint8_t *dst /* align 8 */, ptrdiff_t dstStride, 34 const uint8_t *src /* align 1 */, ptrdiff_t srcStride, 35 int h, int x, int y); 36 37 typedef struct VP8DSPContext { 38 void (*vp8_luma_dc_wht)(int16_t block[4][4][16], int16_t dc[16]); 39 void (*vp8_luma_dc_wht_dc)(int16_t block[4][4][16], int16_t dc[16]); 40 void (*vp8_idct_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride); 41 void (*vp8_idct_dc_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride); 42 void (*vp8_idct_dc_add4y)(uint8_t *dst, int16_t block[4][16], 43 ptrdiff_t stride); 44 void (*vp8_idct_dc_add4uv)(uint8_t *dst, int16_t block[4][16], 45 ptrdiff_t stride); 46 47 // loop filter applied to edges between macroblocks 48 void (*vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, 49 int flim_E, int flim_I, int hev_thresh); 50 void (*vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride, 51 int flim_E, int flim_I, int hev_thresh); 52 void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, 53 int flim_E, int flim_I, int hev_thresh); 54 void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride, 55 int flim_E, int flim_I, int hev_thresh); 56 57 // loop filter applied to inner macroblock edges 58 void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride, 59 int flim_E, int flim_I, int hev_thresh); 60 void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride, 61 int flim_E, int flim_I, int hev_thresh); 62 void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, 63 ptrdiff_t stride, 64 int flim_E, int flim_I, int hev_thresh); 65 void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV, 66 ptrdiff_t stride, 67 int flim_E, int flim_I, int hev_thresh); 68 69 void (*vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim); 70 void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim); 71 72 /** 73 * first dimension: 4-log2(width) 74 * second dimension: 0 if no vertical interpolation is needed; 75 * 1 4-tap vertical interpolation filter (my & 1) 76 * 2 6-tap vertical interpolation filter (!(my & 1)) 77 * third dimension: same as second dimension, for horizontal interpolation 78 * so something like put_vp8_epel_pixels_tab[4-log2(width)][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my) 79 */ 80 vp8_mc_func put_vp8_epel_pixels_tab[3][3][3]; 81 vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3]; 82 } VP8DSPContext; 83 84 void ff_vp7dsp_init(VP8DSPContext *c); 85 86 void ff_vp78dsp_init(VP8DSPContext *c); 87 void ff_vp78dsp_init_aarch64(VP8DSPContext *c); 88 void ff_vp78dsp_init_arm(VP8DSPContext *c); 89 void ff_vp78dsp_init_ppc(VP8DSPContext *c); 90 void ff_vp78dsp_init_riscv(VP8DSPContext *c); 91 void ff_vp78dsp_init_x86(VP8DSPContext *c); 92 93 void ff_vp7dsp_init_riscv(VP8DSPContext *c); 94 95 void ff_vp8dsp_init(VP8DSPContext *c); 96 void ff_vp8dsp_init_aarch64(VP8DSPContext *c); 97 void ff_vp8dsp_init_arm(VP8DSPContext *c); 98 void ff_vp8dsp_init_riscv(VP8DSPContext *c); 99 void ff_vp8dsp_init_x86(VP8DSPContext *c); 100 void ff_vp8dsp_init_mips(VP8DSPContext *c); 101 void ff_vp8dsp_init_loongarch(VP8DSPContext *c); 102 103 #define IS_VP7 1 104 #define IS_VP8 0 105 106 #endif /* AVCODEC_VP8DSP_H */