Functions

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

  Compute the max pixel step for each plane of an image with a format described by pixdesc. More...

 

int  av_image_get_linesize (enum AVPixelFormat pix_fmt, int width, int plane)

  Compute the size of an image line with format pix_fmt and width width for the plane plane. More...

 

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

  Fill plane linesizes for an image with pixel format pix_fmt and width width. More...

 

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

  Fill plane data pointers for an image with pixel format pix_fmt and height height. More...

 

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

  Allocate an image with size w and h and pixel format pix_fmt, and fill pointers and linesizes accordingly. More...

 

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

  Copy image plane from src to dst. More...

 

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)

  Copy image in src_data to dst_data. More...

 

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)

  Setup the data pointers and linesizes based on the specified image parameters and the provided array. More...

 

int  av_image_get_buffer_size (enum AVPixelFormat pix_fmt, int width, int height, int align)

  Return the size in bytes of the amount of data required to store an image with the given parameters. More...

 

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)

  Copy image data from an image into a buffer. More...

 

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

  Check if the given dimension of an image is valid, meaning that all bytes of the image can be addressed with a signed int. More...

 

int  av_image_check_sar (unsigned int w, unsigned int h, AVRational sar)

  Check if the given sample aspect ratio of an image is valid. More...