Файл imgutils.h

См. исходные тексты.

Функции
void	av_image_fill_max_pixsteps (int max_pixsteps[4], int max_pixstep_comps[4], const AVPixFmtDescriptor *pixdesc)
int	av_image_get_linesize (enum AVPixelFormat pix_fmt, int width, int plane)
int	av_image_fill_linesizes (int linesizes[4], enum AVPixelFormat pix_fmt, int width)
int	av_image_fill_pointers (uint8_t *data[4], enum AVPixelFormat 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 AVPixelFormat 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 AVPixelFormat pix_fmt, int width, int height)
void	av_image_copy_uc_from (uint8_t *dst_data[4], const ptrdiff_t dst_linesizes[4], const uint8_t *src_data[4], const ptrdiff_t src_linesizes[4], enum AVPixelFormat pix_fmt, int width, int height)
int	av_image_fill_arrays (uint8_t *dst_data[4], int dst_linesize[4], const uint8_t *src, enum AVPixelFormat pix_fmt, int width, int height, int align)
int	av_image_get_buffer_size (enum AVPixelFormat pix_fmt, int width, int height, int align)
int	av_image_copy_to_buffer (uint8_t *dst, int dst_size, const uint8_t *const src_data[4], const int src_linesize[4], enum AVPixelFormat pix_fmt, int width, int height, int align)
int	av_image_check_size (unsigned int w, unsigned int h, int log_offset, void *log_ctx)
int	av_image_check_size2 (unsigned int w, unsigned int h, int64_t max_pixels, enum AVPixelFormat pix_fmt, int log_offset, void *log_ctx)
int	av_image_check_sar (unsigned int w, unsigned int h, AVRational sar)
int	av_image_fill_black (uint8_t *dst_data[4], const ptrdiff_t dst_linesize[4], enum AVPixelFormat pix_fmt, enum AVColorRange range, int width, int height)

Подробное описание

misc image utilities

См. определение в файле imgutils.h