1 /* 2 * Copyright © 2018, VideoLAN and dav1d authors 3 * Copyright © 2018, Two Orioles, LLC 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, this 10 * list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef DAV1D_SRC_CDEF_H 29 #define DAV1D_SRC_CDEF_H 30 31 #include <stddef.h> 32 #include <stdint.h> 33 34 #include "common/bitdepth.h" 35 36 enum CdefEdgeFlags { 37 CDEF_HAVE_LEFT = 1 << 0, 38 CDEF_HAVE_RIGHT = 1 << 1, 39 CDEF_HAVE_TOP = 1 << 2, 40 CDEF_HAVE_BOTTOM = 1 << 3, 41 }; 42 43 #ifdef BITDEPTH 44 typedef const pixel (*const_left_pixel_row_2px)[2]; 45 #else 46 typedef const void *const_left_pixel_row_2px; 47 #endif 48 49 // CDEF operates entirely on pre-filter data; if bottom/right edges are 50 // present (according to $edges), then the pre-filter data is located in 51 // $dst. However, the edge pixels above $dst may be post-filter, so in 52 // order to get access to pre-filter top pixels, use $top. 53 #define decl_cdef_fn(name) \ 54 void (name)(pixel *dst, ptrdiff_t stride, const_left_pixel_row_2px left, \ 55 const pixel *top, const pixel *bottom, \ 56 int pri_strength, int sec_strength, \ 57 int dir, int damping, enum CdefEdgeFlags edges HIGHBD_DECL_SUFFIX) 58 typedef decl_cdef_fn(*cdef_fn); 59 60 #define decl_cdef_dir_fn(name) \ 61 int (name)(const pixel *dst, ptrdiff_t dst_stride, unsigned *var HIGHBD_DECL_SUFFIX) 62 typedef decl_cdef_dir_fn(*cdef_dir_fn); 63 64 typedef struct Dav1dCdefDSPContext { 65 cdef_dir_fn dir; 66 cdef_fn fb[3 /* 444/luma, 422, 420 */]; 67 } Dav1dCdefDSPContext; 68 69 bitfn_decls(void dav1d_cdef_dsp_init, Dav1dCdefDSPContext *c); 70 71 #endif /* DAV1D_SRC_CDEF_H */ 72