Constant jpegxl_sys::JpegxlDecoderStatus_JPEGXL_DEC_NEED_MORE_OUTPUT

pub const JpegxlDecoderStatus_JPEGXL_DEC_NEED_MORE_OUTPUT: JpegxlDecoderStatus = 3;

The decoder needs an output buffer to continue. Which output buffers it needs depends on events subscribed to with JpegxlDecoderSubscribeEvents.