Function webp_dev::sys::webp::webp_picture_import_rgb

pub unsafe fn webp_picture_import_rgb(
    picture: *mut WebPPicture, 
    rgb: *const u8, 
    rgb_stride: c_int
) -> c_int

Colorspace conversion function to import RGB samples.

Previous buffer will be free'd, if any. *rgb buffer should have a size of at least height * rgb_stride. Returns false in case of memory error.