cc9392bde4
Finishes #16 in the three places its earlier remedies missed. `tests/`: the last four local `disc_root()` copies now use `tests/common`, and with them goes the one real hardcoded fallback — `ui_keyframe_record_disc.rs` fell back to an absolute path on one machine, which made `unset SYLPHEED_DISC` a no-op there. Control: with the corpus absent that suite now finishes in 0.00s instead of 57.55s, so it skips rather than finding a disc of its own. `examples/`: seventeen examples defaulted to `/disc`, the mount point inside the CI container. Redundant there — `docker/ci/run` sets `SYLPHEED_DISC=/disc` — and wrong everywhere else, where a missing corpus turned into a file-not-found against a path that has never existed on the host. They now name the variable to set, like the other hundred examples already did. `docker/ci/run`: mount `$SYLPHEED_RES3D` and `$SYLPHEED_ISO` alongside the disc. Only the disc was mounted, so an in-container run sat out the res3d and iso suites while looking like a full one — the defect this issue is about, in the runner itself. Measured in the container on this desktop with all three corpora present: 45 suites / 377 passed / 0 failed / 14 ignored, and `sylpheed-corpus-report.txt` now reports PRESENT for all three rather than for the disc alone. Refs #16. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
58 lines
2.4 KiB
Rust
58 lines
2.4 KiB
Rust
//! Is `BGM_103` the ONLY bank with those two wave sizes?
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//!
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//! `authored/audio.json` says *"Static code, disc census and runtime all agree"*
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//! — three legs. Reading the sentence beneath it, legs two and three are **one**
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//! comparison: the disc's declared wave sizes matched byte-for-byte against what
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//! the XMA probe saw at the menu. That is a disc-to-runtime match, not two
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//! independent confirmations.
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//!
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//! It is a third leg only if the census independently EXCLUDES alternatives — if
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//! some other bank carried the same two sizes, the byte match would not
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//! distinguish it. So the sizes are counted across every `BGM_*` bank on the
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//! disc.
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//!
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//! Prompted by the Decoder's point that a decorative second support is worse
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//! than none: **a conclusion with two supports reads as better evidenced than
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//! one with a single support, so apparent redundancy is itself the
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//! misinformation.**
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use sylpheed_formats::media;
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fn main() {
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let root =
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std::env::var("SYLPHEED_DISC").expect("set SYLPHEED_DISC to the extracted disc root");
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let src = media::DirectorySource::new(&root);
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const WANT: [usize; 2] = [3_876_864, 3_930_112];
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let (mut found, mut matches) = (0usize, Vec::new());
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for n in 0..=199u32 {
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let name = format!("BGM_{n:03}.slb");
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let Ok(riffs) = media::sound_bank_riffs(&src, &name) else {
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continue;
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};
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if riffs.is_empty() {
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continue;
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}
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found += 1;
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let sizes: Vec<usize> = riffs.iter().map(|r| r.len()).collect();
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// Compare on the DATA payload the port sums, not on the RIFF wrapper:
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// a wrapper differs by header bytes and would hide a real collision.
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let near = sizes
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.iter()
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.any(|s| WANT.iter().any(|w| s.abs_diff(*w) < 4096));
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if near {
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matches.push((name.clone(), sizes.clone()));
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}
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}
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println!(" {found} BGM_* bank(s) readable on this disc");
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for (n, s) in &matches {
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println!(" {n:<14} wave sizes {s:?}");
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}
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println!(
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"\n {} bank(s) carry a wave within 4 KiB of {WANT:?}",
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matches.len()
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);
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println!(" Exactly 1 means the census EXCLUDES alternatives and is a real third");
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println!(" leg. More than 1 means the byte match does not distinguish BGM_103,");
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println!(" and \"three legs\" is two. Zero means this reader cannot see the");
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println!(" incumbent and its answer means nothing.");
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}
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