> Please file a ticket at trac.ffmpeg.org with the source PNGs attached to it. > > Timothy I have done so. The ticket #4887: defect: PNG sequences crashffplaywith an assertion (new) <https://trac.ffmpeg.org/ticket/4887> A set of 10 png files as a zip file has been uploaded to: http://www.datafilehost.com/d/4abacc22