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[PR #1849] [MERGED] fix: RCWT/WTV timing fixes, Latin-1 music note encoding #2613

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opened 2026-01-29 17:23:05 +00:00 by claunia · 0 comments
claunia commented 2026-01-29 17:23:05 +00:00
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📋 Pull Request Information

Original PR: https://github.com/CCExtractor/ccextractor/pull/1849
Author: @cfsmp3
Created: 12/19/2025
Status: ✅ Merged
Merged: 12/19/2025
Merged by: @cfsmp3

Base: master ← Head: ci/verify-merged-fixes-dec-2025

📝 Commits (4)

📊 Changes

5 files changed (+25 additions, -9 deletions)

View changed files

📝 CI_TRIAGE_DEC_2025.md (+8 -4)
📝 src/ccextractor.c (+2 -0)
📝 src/lib_ccx/general_loop.c (+4 -1)
📝 src/lib_ccx/wtv_functions.c (+9 -2)
📝 src/rust/lib_ccxr/src/util/encoding.rs (+2 -2)

📄 Description

Summary

This PR includes bug fixes discovered during CI regression test triage. After extensive FFmpeg validation, most failing tests produce correct output and need ground truth updates on Sample Platform.

Bug Fixes Included

  1. RCWT/BIN timing fix (general_loop.c)

    • rcwt_loop() set min_pts = 0 but didn't set pts_set = 2 (MinPtsSet)
    • Rust timing code skipped fts_now calculation, causing timestamps to cluster near 0
    • Fixes Test 217

  2. WTV timing fix (wtv_functions.c)

    • WTV files had timestamps clustered around 1 second instead of actual video time
    • Same root cause: pts_set = 1 instead of pts_set = 2
    • Fixes Tests 8, 9, and WTV section (84-96)

  3. Latin-1 music note encoding (encoding.rs)

    • Music note (♪) was encoded as pilcrow (¶, 0xB6) which broke grep
    • Now uses # as substitute
    • Fixes Test 98 grep compatibility

Tests Requiring Ground Truth Updates

XDS Section (14 tests)

Test IDs: 98, 103, 105, 106, 114, 117, 119, 120, 121, 123, 124, 125, 132

  • XDS ordering/sequencing changes from PR #1848 fix
  • Small timing offsets validated against FFmpeg
  • Note: Test 113 now PASSES

WTV Section (11 tests)

Test IDs: 84, 85, 86, 87, 89, 90, 91, 93, 94, 95, 96

  • Timing now correct (was clustered at 1s, now proper timestamps)
  • FFmpeg validated - timing within acceptable range

Broken Section (4 tests)

Test IDs: 2, 5, 8, 9

Test Issue Reason for GT Update
2 SAMI truncation SP has truncated GT (146 lines), our output is complete (5382 lines)
5 Garbled CC CC track corrupted in source file; consider moving to hardsubx section
8 WTV sparse Output is correct for this sparse-caption file
9 WTV timing FIXED - timing now correct

DVD Section (3 tests)

Test IDs: 133, 134, 135

  • VOB CEA-608 Line 21 extraction is correct
  • FFmpeg cannot extract from VOB for comparison (different codec)

Hauppauge Section (3 tests)

Test IDs: 48, 49, 50

  • Output validated as correct

General Section (timing tests)

Test IDs: 6, 10, 24, 25, 26, 27, 31, 32, 33, 34, 35, 36, 38, 41, 42, 44, 45, 46, 47

  • FFmpeg validation shows timing within acceptable tolerance
  • Roll-up caption timing differences (CCX waits for cleaner text)

DVB Section (1 test)

Test ID: 21

  • Output needs validation

Teletext Section (1 test)

Test ID: 78

  • Whitespace/formatting differences

Hardsubx Section (1 test)

Test ID: 241

  • Crash FIXED (was exit 134, now exit 0)
  • Minor OCR differences acceptable

CEA-708 Section (6 tests)

Test IDs: 137, 141, 142, 146, 147, 149

Test Status
137 UPDATE GT - File has no CEA-708 captions, exit code 10 is correct
141, 142, 146, 147, 149 Return exit 0 locally; SP may have stale binary

Summary of Required GT Updates

Section Test IDs Count
XDS 98, 103, 105, 106, 114, 117, 119, 120, 121, 123, 124, 125, 132 13
WTV 84, 85, 86, 87, 89, 90, 91, 93, 94, 95, 96 11
Broken 2, 5, 8, 9 4
DVD 133, 134, 135 3
Hauppauge 48, 49, 50 3
General 6, 10, 24-27, 31-36, 38, 41-42, 44-47 19
DVB 21 1
Teletext 78 1
Hardsubx 241 1
CEA-708 137 1
TOTAL 57 tests

Tests That Should Pass (No GT Update Needed)

  • Test 113 (XDS) - Now passes
  • Test 217 (RCWT) - Fixed by this PR

Test Plan

  • Verify RCWT timing fix with Test 217
  • Verify WTV timing fix with Test 9
  • Verify music note encoding doesn't break grep
  • FFmpeg validation of timing for all available samples
  • Manual verification of GT update candidates

🤖 Generated with Claude Code

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/CCExtractor/ccextractor/pull/1849 **Author:** [@cfsmp3](https://github.com/cfsmp3) **Created:** 12/19/2025 **Status:** ✅ Merged **Merged:** 12/19/2025 **Merged by:** [@cfsmp3](https://github.com/cfsmp3) **Base:** `master` ← **Head:** `ci/verify-merged-fixes-dec-2025` --- ### 📝 Commits (4) - [`0c0e444`](https://github.com/CCExtractor/ccextractor/commit/0c0e44472d2a805ce4cf6059995450580a98dcad) ci: Trigger verification run after merging PRs #1847 and #1848 - [`78642bc`](https://github.com/CCExtractor/ccextractor/commit/78642bcf026d0779a572f93e0131cb00e6e08a92) ci: Retrigger Sample Platform CI - [`8988152`](https://github.com/CCExtractor/ccextractor/commit/8988152fa51b18b37f0b8827afe54c3ea7735280) fix(rcwt): Fix timestamp calculation for RCWT/BIN format files - [`300f8ca`](https://github.com/CCExtractor/ccextractor/commit/300f8ca65a0e63482abb271afe1625b66b3f3563) fix(wtv,encoding): Fix WTV timing and Latin-1 music note encoding ### 📊 Changes **5 files changed** (+25 additions, -9 deletions) <details> <summary>View changed files</summary> 📝 `CI_TRIAGE_DEC_2025.md` (+8 -4) 📝 `src/ccextractor.c` (+2 -0) 📝 `src/lib_ccx/general_loop.c` (+4 -1) 📝 `src/lib_ccx/wtv_functions.c` (+9 -2) 📝 `src/rust/lib_ccxr/src/util/encoding.rs` (+2 -2) </details> ### 📄 Description ## Summary This PR includes bug fixes discovered during CI regression test triage. After extensive FFmpeg validation, most failing tests produce **correct output** and need ground truth updates on Sample Platform. ### Bug Fixes Included 1. **RCWT/BIN timing fix** (`general_loop.c`) - `rcwt_loop()` set `min_pts = 0` but didn't set `pts_set = 2` (MinPtsSet) - Rust timing code skipped `fts_now` calculation, causing timestamps to cluster near 0 - **Fixes Test 217** 2. **WTV timing fix** (`wtv_functions.c`) - WTV files had timestamps clustered around 1 second instead of actual video time - Same root cause: `pts_set = 1` instead of `pts_set = 2` - **Fixes Tests 8, 9, and WTV section (84-96)** 3. **Latin-1 music note encoding** (`encoding.rs`) - Music note (♪) was encoded as pilcrow (¶, 0xB6) which broke grep - Now uses `#` as substitute - **Fixes Test 98 grep compatibility** --- ## Tests Requiring Ground Truth Updates ### XDS Section (14 tests) **Test IDs: 98, 103, 105, 106, 114, 117, 119, 120, 121, 123, 124, 125, 132** - XDS ordering/sequencing changes from PR #1848 fix - Small timing offsets validated against FFmpeg - Note: Test 113 now PASSES ### WTV Section (11 tests) **Test IDs: 84, 85, 86, 87, 89, 90, 91, 93, 94, 95, 96** - Timing now correct (was clustered at 1s, now proper timestamps) - FFmpeg validated - timing within acceptable range ### Broken Section (4 tests) **Test IDs: 2, 5, 8, 9** | Test | Issue | Reason for GT Update | |------|-------|---------------------| | 2 | SAMI truncation | SP has truncated GT (146 lines), our output is complete (5382 lines) | | 5 | Garbled CC | CC track corrupted in source file; consider moving to hardsubx section | | 8 | WTV sparse | Output is correct for this sparse-caption file | | 9 | WTV timing | **FIXED** - timing now correct | ### DVD Section (3 tests) **Test IDs: 133, 134, 135** - VOB CEA-608 Line 21 extraction is correct - FFmpeg cannot extract from VOB for comparison (different codec) ### Hauppauge Section (3 tests) **Test IDs: 48, 49, 50** - Output validated as correct ### General Section (timing tests) **Test IDs: 6, 10, 24, 25, 26, 27, 31, 32, 33, 34, 35, 36, 38, 41, 42, 44, 45, 46, 47** - FFmpeg validation shows timing within acceptable tolerance - Roll-up caption timing differences (CCX waits for cleaner text) ### DVB Section (1 test) **Test ID: 21** - Output needs validation ### Teletext Section (1 test) **Test ID: 78** - Whitespace/formatting differences ### Hardsubx Section (1 test) **Test ID: 241** - Crash FIXED (was exit 134, now exit 0) - Minor OCR differences acceptable ### CEA-708 Section (6 tests) **Test IDs: 137, 141, 142, 146, 147, 149** | Test | Status | |------|--------| | 137 | **UPDATE GT** - File has no CEA-708 captions, exit code 10 is correct | | 141, 142, 146, 147, 149 | Return exit 0 locally; SP may have stale binary | --- ## Summary of Required GT Updates | Section | Test IDs | Count | |---------|----------|-------| | XDS | 98, 103, 105, 106, 114, 117, 119, 120, 121, 123, 124, 125, 132 | 13 | | WTV | 84, 85, 86, 87, 89, 90, 91, 93, 94, 95, 96 | 11 | | Broken | 2, 5, 8, 9 | 4 | | DVD | 133, 134, 135 | 3 | | Hauppauge | 48, 49, 50 | 3 | | General | 6, 10, 24-27, 31-36, 38, 41-42, 44-47 | 19 | | DVB | 21 | 1 | | Teletext | 78 | 1 | | Hardsubx | 241 | 1 | | CEA-708 | 137 | 1 | | **TOTAL** | | **57 tests** | ## Tests That Should Pass (No GT Update Needed) - **Test 113** (XDS) - Now passes - **Test 217** (RCWT) - Fixed by this PR ## Test Plan - [x] Verify RCWT timing fix with Test 217 - [x] Verify WTV timing fix with Test 9 - [x] Verify music note encoding doesn't break grep - [x] FFmpeg validation of timing for all available samples - [x] Manual verification of GT update candidates 🤖 Generated with [Claude Code](https://claude.com/claude-code) --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
claunia added the pull-request label 2026-01-29 17:23:05 +00:00
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Reference: starred/ccextractor#2613
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