efm-decoder-f2: SectionTime invalid frame value crash

[JoeyLemur]

Description

This disc (disc 1 of https://www.lddb.com/laserdisc/24880/G128F0083/Last-Starfighter-The) fails with "Fatal: SectionTime::SectionTime(): Invalid frame value of -269999" when run against efm-decoder-f2

Steps to Reproduce

1. ld-decode --start 350 --length 1800 --threads 6 --ntsc the_last_starfighter_s1.flac.ldf test/output
2. cd test
3. efm-decoder-f2 --debug --show-all-debug output.efm output.f2

Actual Behaviour

Gets as far as "F2 Section Metadata Correction statistics" before crashing:

Info: F2 Section Metadata Correction statistics:
Info:   F2 Sections:
Info:     Total: 0 (0 F2)
Info:     Corrected: 0
Info:     Uncorrectable: 0
Info:     Pre-Leadin: 4504
Info:     Missing: 0
Info:     Padding: 0
Info:     Out of order: 0
Info:   QMode Sections:
Info:     QMode 1 (CD Data): 0
Info:     QMode 2 (Catalogue No.): 0
Info:     QMode 3 (ISO 3901 ISRC): 0
Info:     QMode 4 (LD Data): 0
Info:   Absolute Time:
Info:     Start time: 59:59:74
Info:     End time: 00:00:00
Fatal: SectionTime::SectionTime(): Invalid frame value of -269999

No output is written to output.f2

Environment

• efm-decoder-f2 Branch: main / Commit: 5d339d9d
• MacOS 15.3.2 (MacBook Air M2, 2022)

[JoeyLemur]

output.efm.gz

debug.log

[JoeyLemur]

Neglected to mention the actual crash error: Abort trap: 6

[JoeyLemur]

Different disc, same issue.

test2_debug.log
test2.efm.gz