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88 lines
3.0 KiB
C++
88 lines
3.0 KiB
C++
/**
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* @file utils/vs_split.h
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* @author Martin Pulec <pulec@cesnet.cz>
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*/
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/*
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* Copyright (c) 2011-2013 CESNET z.s.p.o.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef VF_SPLIT_H_
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#define VF_SPLIT_H_
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struct video_frame;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* vf_split splits the frame into multiple tiles.
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* Caller is responsible for allocating memory for all of these: out (to hold
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* all elements), out elements and theirs data member to hold tile data.
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*
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* width must be divisible by x_count && heigth by y_count (!)
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*
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* @param out output video frames array
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* the resulting matrix will be stored row-dominant
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* @param src source video frame
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* @param x_count number of columns
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* @param y_count number of rows
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* @param preallocate used for preallocating buffers because determining right
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* size can be cumbersome. Anyway only .data are allocated.
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*
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* @deprecated this function should not be used
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*/
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void vf_split(struct video_frame *out, struct video_frame *src,
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unsigned int x_count, unsigned int y_count, int preallocate);
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/**
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* @deprecated this function should not be used
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*/
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void vf_split_horizontal(struct video_frame *out, struct video_frame *src,
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unsigned int y_count);
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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#include <memory>
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#include <vector>
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std::vector<std::shared_ptr<video_frame>> vf_separate_tiles(std::shared_ptr<video_frame> frame);
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std::shared_ptr<video_frame> vf_merge_tiles(std::vector<std::shared_ptr<video_frame>> const & tiles);
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#endif // __cplusplus
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#endif // VF_SPLIT_H_
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