a #GstVideoFormatInfo
flags to control the packing
a source array
the source array stride
pointers to the destination data planes
strides of the destination planes
the chroma siting of the target when subsampled (not used)
the y position in the image to pack to
the amount of pixels to pack.
Packs
widthpixels fromsrcto the given planes and strides in the formatinfo. The pixels from source have each component interleaved and will be packed into the planes indata.This function operates on pack_lines lines, meaning that
srcshould contain at least pack_lines lines with a stride ofsstrideandyshould be a multiple of pack_lines.Subsampled formats will use the horizontally and vertically cosited component from the source. Subsampling should be performed before packing.
Because this function does not have a x coordinate, it is not possible to pack pixels starting from an unaligned position. For tiled images this means that packing should start from a tile coordinate. For subsampled formats this means that a complete pixel needs to be packed.