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CMRT PHASE 1.5 : After Cleaning and Reordering - #44

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Swarnadip-Kar wants to merge 78 commits into
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gsoc-cmrt-phase1.5
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CMRT PHASE 1.5 : After Cleaning and Reordering#44
Swarnadip-Kar wants to merge 78 commits into
gsoc-cmrtfrom
gsoc-cmrt-phase1.5

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@Swarnadip-Kar

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Adds schema revision 41 to extend the library table with
MusicBrainz and AcoustID metadata fields required for
Chromaprint-based lookup workflows.

New columns:
- musicbrainz_recording_id
- musicbrainz_release_id
- musicbrainz_track_id
- musicbrainz_artist_id
- acoustid_id
- acoustid_lookup_at
- acoustid_lookup_status

Also adds indexes for MusicBrainz and AcoustID lookup paths.

The revision is backwards-compatible and does not modify
existing user data.
Adds schema revision 42 extending track_analysis with a
TEXT payload column intended for small metadata blobs such
as audio quality metrics and Chromaprint version metadata.

Raw fingerprint arrays are intentionally not stored in
the database.

Also adds a composite lookup index on (track_id, type).
Adds schema revision 43 introducing database tables for
Chromaprint fingerprint grouping, CMRT membership,
AcoustID queue management, and AcoustID response caching.

New tables:
- fingerprint_metadata
- cmrt_groups
- cmrt_members
- acoustid_queue
- acoustid_cache

Design notes:
- fingerprint_hash is a non-unique SimHash pre-filter
- chroma_sha256 is used as the canonical integrity key
- raw fingerprint arrays are not stored in SQLite
- ON DELETE CASCADE is intentionally omitted

Also adds supporting indexes and bumps
kRequiredSchemaVersion from 42 to 43.
This commit implements reading, writing, and deleting `.chroma`
binary files directly to disk, avoiding BLOBs in the SQLite database.
It also wires TrackFingerprintDao into the broader DAO ecosystem
and adds file cleanup cascades into the central track purging logic.

Changes:
- trackfingerprintdao.h/cpp: Accept UserSettingsPointer to manage
  paths privately in ~/.mixxx/fingerprints/ and add save/load/delete.
  saveChromaFile uses a write-temp-then-rename pattern.
- trackdao.h/cpp: Add TrackFingerprintDao dependency and loop over
  purged tracks in onPurgingTracks() to call deleteChromaFile().
- trackcollection.cpp: Initialize m_trackFingerprintDao with pConfig
  and pass to m_trackDao.
- libraryscanner.h/cpp: Add TrackFingerprintDao member to satisfy
  the updated TrackDAO constructor dependency during background scans.
Integrate AnalyzerChromaprint into AnalyzerThread and
register analyzerchromaprint sources in CMakeLists.txt.
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Coverage Report for CI Build 28680837693

Coverage decreased (-0.6%) to 30.291%

Details

  • Coverage decreased (-0.6%) from the base build.
  • Patch coverage: 2432 uncovered changes across 24 files (51 of 2483 lines covered, 2.05%).
  • 7 coverage regressions across 3 files.

Uncovered Changes

Top 10 Files by Coverage Impact Changed Covered %
src/library/dao/trackfingerprintdao.cpp 1060 8 0.75%
src/musicbrainz/acoustidworker.cpp 317 0 0.0%
src/analyzer/analyzerchromaprint.cpp 208 0 0.0%
src/musicbrainz/fingerprintmatcher.cpp 200 0 0.0%
src/musicbrainz/cmrtgroupingservice.cpp 175 0 0.0%
src/library/musicbrainzqueue/dlgmusicbrainzqueue.cpp 130 0 0.0%
src/preferences/dialog/dlgpreffingerprint.cpp 89 0 0.0%
src/library/musicbrainzqueue/musicbrainzqueuetablemodel.cpp 65 0 0.0%
src/library/dao/trackdao.cpp 51 2 3.92%
src/library/musicbrainzqueue/dlgacoustidsubmit.cpp 31 0 0.0%
Total (27 files) 2483 51 2.05%

Coverage Regressions

7 previously-covered lines in 3 files lost coverage.

File Lines Losing Coverage Coverage
src/library/analysis/analysisfeature.cpp 3 14.86%
src/library/queryutil.h 2 58.06%
src/widget/wtrackmenu.cpp 2 0.0%

Coverage Stats

Coverage Status
Relevant Lines: 116790
Covered Lines: 35377
Line Coverage: 30.29%
Coverage Strength: 58913.24 hits per line

💛 - Coveralls

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