1 /* 2 * Copyright (C) 2010 David Conrad 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef AVCODEC_DIRACDSP_H 22 #define AVCODEC_DIRACDSP_H 23 24 #include <stdint.h> 25 #include <stddef.h> 26 27 typedef void (*dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h); 28 typedef void (*dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h); 29 30 typedef struct { 31 void (*dirac_hpel_filter)(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, int stride, int width, int height); 32 /** 33 * dirac_pixels_tab[width][subpel] 34 * width is 2 for 32, 1 for 16, 0 for 8 35 * subpel is 0 for fpel and hpel (only need to copy from the first plane in src) 36 * 1 if an average of the first 2 planes is needed (TODO: worth it?) 37 * 2 for general qpel (avg of 4) 38 * 3 for general epel (biweight of 4 using the weights in src[4]) 39 * src[0-3] is each of the hpel planes 40 * src[4] is the 1/8 pel weights if needed 41 */ 42 void (*put_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h); 43 void (*avg_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h); 44 45 void (*put_signed_rect_clamped[3])(uint8_t *dst/*align 16*/, int dst_stride, const uint8_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/); 46 void (*put_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const uint8_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/); 47 void (*add_rect_clamped)(uint8_t *dst/*align 16*/, const uint16_t *src/*align 16*/, int stride, const int16_t *idwt/*align 16*/, int idwt_stride, int width, int height/*mod 2*/); 48 void (*add_dirac_obmc[3])(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen); 49 50 /* 0-1: int16_t and int32_t asm/c, 2-3: int16 and int32_t, C only */ 51 void (*dequant_subband[4])(uint8_t *src, uint8_t *dst, ptrdiff_t stride, const int qf, const int qs, int tot_v, int tot_h); 52 53 dirac_weight_func weight_dirac_pixels_tab[3]; 54 dirac_biweight_func biweight_dirac_pixels_tab[3]; 55 } DiracDSPContext; 56 57 #define DECL_DIRAC_PIXOP(PFX, EXT) \ 58 void ff_ ## PFX ## _dirac_pixels8_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \ 59 void ff_ ## PFX ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \ 60 void ff_ ## PFX ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h) 61 62 DECL_DIRAC_PIXOP(put, c); 63 DECL_DIRAC_PIXOP(avg, c); 64 DECL_DIRAC_PIXOP(put, l2_c); 65 DECL_DIRAC_PIXOP(avg, l2_c); 66 DECL_DIRAC_PIXOP(put, l4_c); 67 DECL_DIRAC_PIXOP(avg, l4_c); 68 69 void ff_diracdsp_init(DiracDSPContext *c); 70 void ff_diracdsp_init_x86(DiracDSPContext* c); 71 72 #endif /* AVCODEC_DIRACDSP_H */ 73