public MediaFilterContext LinkTo(uint outPad, MediaFilterContext dstFilterContext, uint inPad = 0)
 {
     unsafe
     {
         ffmpeg.avfilter_link(pFilterContext, outPad, dstFilterContext, inPad).ThrowExceptionIfError();
         return(dstFilterContext);
     }
 }
 /// <summary>
 /// link current filter's <paramref name="srcOutPad"/> to <paramref name="dstFilterContext"/>'s <paramref name="dstInPad"/>
 /// </summary>
 /// <param name="srcOutPad"></param>
 /// <param name="dstFilterContext"></param>
 /// <param name="dstInPad"></param>
 /// <returns></returns>
 public MediaFilterContext LinkTo(uint srcOutPad, MediaFilterContext dstFilterContext, uint dstInPad = 0)
 {
     ffmpeg.avfilter_link(pFilterContext, srcOutPad, dstFilterContext, dstInPad).ThrowIfError();
     return(dstFilterContext);
 }