| 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 | |
| 26 | typedef void (*dirac_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int h); |
| 27 | typedef void (*dirac_biweight_func)(uint8_t *dst, const uint8_t *src, int stride, int log2_denom, int weightd, int weights, int h); |
| 28 | |
| 29 | typedef struct { |
| 30 | void (*dirac_hpel_filter)(uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, int stride, int width, int height); |
| 31 | /** |
| 32 | * dirac_pixels_tab[width][subpel] |
| 33 | * width is 2 for 32, 1 for 16, 0 for 8 |
| 34 | * subpel is 0 for fpel and hpel (only need to copy from the first plane in src) |
| 35 | * 1 if an average of the first 2 planes is needed (TODO: worth it?) |
| 36 | * 2 for general qpel (avg of 4) |
| 37 | * 3 for general epel (biweight of 4 using the weights in src[4]) |
| 38 | * src[0-3] is each of the hpel planes |
| 39 | * src[4] is the 1/8 pel weights if needed |
| 40 | */ |
| 41 | void (*put_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h); |
| 42 | void (*avg_dirac_pixels_tab[3][4])(uint8_t *dst, const uint8_t *src[5], int stride, int h); |
| 43 | |
| 44 | void (*put_signed_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const int16_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/); |
| 45 | void (*put_rect_clamped)(uint8_t *dst/*align 16*/, int dst_stride, const int16_t *src/*align 16*/, int src_stride, int width, int height/*mod 2*/); |
| 46 | 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*/); |
| 47 | void (*add_dirac_obmc[3])(uint16_t *dst, const uint8_t *src, int stride, const uint8_t *obmc_weight, int yblen); |
| 48 | |
| 49 | dirac_weight_func weight_dirac_pixels_tab[3]; |
| 50 | dirac_biweight_func biweight_dirac_pixels_tab[3]; |
| 51 | } DiracDSPContext; |
| 52 | |
| 53 | #define DECL_DIRAC_PIXOP(PFX, EXT) \ |
| 54 | void ff_ ## PFX ## _dirac_pixels8_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \ |
| 55 | void ff_ ## PFX ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h); \ |
| 56 | void ff_ ## PFX ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h) |
| 57 | |
| 58 | DECL_DIRAC_PIXOP(put, c); |
| 59 | DECL_DIRAC_PIXOP(avg, c); |
| 60 | DECL_DIRAC_PIXOP(put, l2_c); |
| 61 | DECL_DIRAC_PIXOP(avg, l2_c); |
| 62 | DECL_DIRAC_PIXOP(put, l4_c); |
| 63 | DECL_DIRAC_PIXOP(avg, l4_c); |
| 64 | |
| 65 | void ff_diracdsp_init(DiracDSPContext *c); |
| 66 | |
| 67 | #endif /* AVCODEC_DIRACDSP_H */ |