DCF file groups: objects sharing an index number are one logical object #3

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opened 2026-08-30 13:14:42 +02:00 by clawbot · 0 comments

README-documented bug: multiple files sharing one directory+file number (RAW+JPEG pair, video+THM thumbnail) are one DCF object group per the spec, but the library returns them as unrelated files. Model groups: a group has an index, a primary member, and extension-differentiated members.

Done: a fixture with RAW+JPEG and MP4+THM pairs yields groups with correct membership; ungrouped objects are single-member groups; counts and sizes are per-group and per-member.

README-documented bug: multiple files sharing one directory+file number (RAW+JPEG pair, video+THM thumbnail) are one DCF object group per the spec, but the library returns them as unrelated files. Model groups: a group has an index, a primary member, and extension-differentiated members. Done: a fixture with RAW+JPEG and MP4+THM pairs yields groups with correct membership; ungrouped objects are single-member groups; counts and sizes are per-group and per-member.
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Reference: sneak/dcf#3