Function ffmpeg_dev::sys::ff_draw_horiz_band

pub unsafe extern "C" fn ff_draw_horiz_band(
    avctx: *mut AVCodecContext, 
    cur: *mut AVFrame, 
    last: *mut AVFrame, 
    y: c_int, 
    h: c_int, 
    picture_structure: c_int, 
    first_field: c_int, 
    low_delay: c_int
)

Draw a horizontal band if supported.

@param h is the normal height, this will be reduced automatically if needed