Function ffmpeg_sys_next::av_pix_fmt_desc_next

pub unsafe extern "C" fn av_pix_fmt_desc_next(
    prev: *const AVPixFmtDescriptor
) -> *const AVPixFmtDescriptor

Iterate over all pixel format descriptors known to libavutil.

@param prev previous descriptor. NULL to get the first descriptor.

@return next descriptor or NULL after the last descriptor