Crashing when processing video files

[sridhard]

For some video files dash encryptor is crashing with the below stack

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -1
at java.util.ArrayList.elementData(ArrayList.java:418)
at java.util.ArrayList.get(ArrayList.java:431)
at org.mp4parser.muxer.container.mp4.FragmentedMp4SampleList$1.getSampleEntry(FragmentedMp4SampleList.java:204)
at com.castlabs.dash.dashfragmenter.representation.RepresentationBuilderImpl.createTraf(RepresentationBuilderImpl.java:514)
at com.castlabs.dash.dashfragmenter.representation.RepresentationBuilderImpl.createMoof(RepresentationBuilderImpl.java:310)
at com.castlabs.dash.dashfragmenter.representation.RepresentationBuilderImpl.get(RepresentationBuilderImpl.java:288)
at com.castlabs.dash.dashfragmenter.representation.RepresentationBuilderImpl.getIndexSegment(RepresentationBuilderImpl.java:338)
at com.castlabs.dash.dashfragmenter.encrypt2.ManifestCreation.addSegmentBase(ManifestCreation.java:166)
at com.castlabs.dash.dashfragmenter.cmdlines.Encrypt2Command.run(Encrypt2Command.java:226)
at com.castlabs.dash.dashfragmenter.Main.main(Main.java:59)