Handle negative data_offset in TrunBox #15
Merged
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As a followup to #14 briefly vetted all u64 and u32 casts.
The only one that looked suspicious was data_offset. Didn't find much about it quickly, only that gstreamer also distinctively uses a signed integer, so let's not cast that away (which would potentially cause more overflow errors on debug builds) https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/e5d2dd8e8d9f9df1f33e44ffe296cc55d7b55346/subprojects/gst-plugins-good/gst/isomp4/atoms.h#L812