libavcore/imgutils.h

Go to the documentation of this file.

/*
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVCORE_IMGUTILS_H
#define AVCORE_IMGUTILS_H

#include "libavutil/pixdesc.h"
#include "avcore.h"

void av_image_fill_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
                                const AVPixFmtDescriptor *pixdesc);

int av_image_get_linesize(enum PixelFormat pix_fmt, int width, int plane);

int av_image_fill_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width);

int av_image_fill_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
                           uint8_t *ptr, const int linesizes[4]);

int av_image_alloc(uint8_t *pointers[4], int linesizes[4],
                   int w, int h, enum PixelFormat pix_fmt, int align);

void av_image_copy_plane(uint8_t       *dst, int dst_linesize,
                         const uint8_t *src, int src_linesize,
                         int bytewidth, int height);

void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
                   const uint8_t *src_data[4], const int src_linesizes[4],
                   enum PixelFormat pix_fmt, int width, int height);

int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx);

#if FF_API_OLD_IMAGE_NAMES
attribute_deprecated
void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
                                const AVPixFmtDescriptor *pixdesc);

attribute_deprecated
int av_get_image_linesize(enum PixelFormat pix_fmt, int width, int plane);

attribute_deprecated
int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width);

attribute_deprecated
int av_fill_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
                           uint8_t *ptr, const int linesizes[4]);

attribute_deprecated
int av_check_image_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx);
#endif

#endif /* AVCORE_IMGUTILS_H */

---