/* eedi2.h Copyright (c) 2003-2021 HandBrake Team This file is part of the HandBrake source code Homepage: . It may be used under the terms of the GNU General Public License v2. For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html */ #ifndef HANDBRAKE_EEDI2_H #define HANDBRAKE_EEDI2_H // Used to order a sequence of metrics for median filtering void eedi2_sort_metrics( int *order, const int length ); // Aping some Windows API functions AviSynth seems to like // Taken from here: http://www.gidforums.com/t-8543.html void *eedi2_aligned_malloc(size_t size, size_t align_size); void eedi2_aligned_free(void *ptr); // Copies bitmaps void eedi2_bit_blit( uint8_t * dstp, int dst_pitch, const uint8_t * srcp, int src_pitch, int row_size, int height ); // Sets up the initial field-sized bitmap EEDI2 interpolates from void eedi2_fill_half_height_buffer_plane( uint8_t * src, uint8_t * dst, int pitch, int height ); // Simple line doubler void eedi2_upscale_by_2( uint8_t * srcp, uint8_t * dstp, int height, int pitch ); // Finds places where vertically adjacent pixels abruptly change intensity void eedi2_build_edge_mask( uint8_t * dstp, int dst_pitch, uint8_t *srcp, int src_pitch, int mthresh, int lthresh, int vthresh, int height, int width ); // Expands and smooths out the edge mask by considering a pixel // to be masked if >= dilation threshold adjacent pixels are masked. void eedi2_dilate_edge_mask( uint8_t *mskp, int msk_pitch, uint8_t *dstp, int dst_pitch, int dstr, int height, int width ); // Contracts the edge mask by considering a pixel to be masked // only if > erosion threshold adjacent pixels are masked void eedi2_erode_edge_mask( uint8_t *mskp, int msk_pitch, uint8_t *dstp, int dst_pitch, int estr, int height, int width ); // Smooths out horizontally aligned holes in the mask // If none of the 6 horizontally adjacent pixels are masked, // don't consider the current pixel masked. If there are any // masked on both sides, consider the current pixel masked. void eedi2_remove_small_gaps( uint8_t * mskp, int msk_pitch, uint8_t * dstp, int dst_pitch, int height, int width ); // Spatial vectors. Looks at maximum_search_distance surrounding pixels // to guess which angle edges follow. This is EEDI2's timesink, and can be // thought of as YADIF_CHECK on steroids. Both find edge directions. void eedi2_calc_directions( const int plane, uint8_t * mskp, int msk_pitch, uint8_t * srcp, int src_pitch, uint8_t * dstp, int dst_pitch, int maxd, int nt, int height, int width ); void eedi2_filter_map( uint8_t *mskp, int msk_pitch, uint8_t *dmskp, int dmsk_pitch, uint8_t * dstp, int dst_pitch, int height, int width ); void eedi2_filter_dir_map( uint8_t * mskp, int msk_pitch, uint8_t * dmskp, int dmsk_pitch, uint8_t * dstp, int dst_pitch, int height, int width ); void eedi2_expand_dir_map( uint8_t * mskp, int msk_pitch, uint8_t *dmskp, int dmsk_pitch, uint8_t * dstp, int dst_pitch, int height, int width ); void eedi2_mark_directions_2x( uint8_t * mskp, int msk_pitch, uint8_t * dmskp, int dmsk_pitch, uint8_t * dstp, int dst_pitch, int tff, int height, int width ); void eedi2_filter_dir_map_2x( uint8_t * mskp, int msk_pitch, uint8_t * dmskp, int dmsk_pitch, uint8_t * dstp, int dst_pitch, int field, int height, int width ); void eedi2_expand_dir_map_2x( uint8_t * mskp, int msk_pitch, uint8_t * dmskp, int dmsk_pitch, uint8_t * dstp, int dst_pitch, int field, int height, int width ); void eedi2_fill_gaps_2x( uint8_t *mskp, int msk_pitch, uint8_t * dmskp, int dmsk_pitch, uint8_t * dstp, int dst_pitch, int field, int height, int width ); void eedi2_interpolate_lattice( const int plane, uint8_t * dmskp, int dmsk_pitch, uint8_t * dstp, int dst_pitch, uint8_t * omskp, int omsk_pitch, int field, int nt, int height, int width ); void eedi2_post_process( uint8_t * nmskp, int nmsk_pitch, uint8_t * omskp, int omsk_pitch, uint8_t * dstp, int src_pitch, int field, int height, int width ); void eedi2_gaussian_blur1( uint8_t * src, int src_pitch, uint8_t * tmp, int tmp_pitch, uint8_t * dst, int dst_pitch, int height, int width ); void eedi2_gaussian_blur_sqrt2( int *src, int *tmp, int *dst, const int pitch, const int height, const int width ); void eedi2_calc_derivatives( uint8_t *srcp, int src_pitch, int height, int width, int *x2, int *y2, int *xy); void eedi2_post_process_corner( int *x2, int *y2, int *xy, const int pitch, uint8_t * mskp, int msk_pitch, uint8_t * dstp, int dst_pitch, int height, int width, int field ); #endif // HANDBRAKE_EEDI2_H