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Commit 781e751a authored by Venkatarama Avadhani's avatar Venkatarama Avadhani
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MPEG4Writer: Fix unsigned integer overflow 

When the ELST entry is added, the firstSampleOffsetTicks is subtracted
from the track header duration ticks. The subtraction could result in an
overflow if track header duration is lesser than the first sample
offset.

Bug: 345356376
Test: mpeg4_writer_fuzzer
Change-Id: Ia5bbcf3df301092bf892927e54972ee716af93f9
parent 4f195983
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