fix: RCWT/WTV timing fixes, Latin-1 music note encoding

CI_TRIAGE_DEC_2025.md

@@ -11,12 +11,16 @@ considers them regressions because the "ground truth" baseline is outdated. This
 2. Systematically analyze each failing test
 3. Determine whether to update ground truth or fix code
 
-## Failing Tests to Triage
+## Merged Fixes
 
-Will be populated after CI run completes.
+The following PRs have been merged and this run verifies their combined effect:
+
+- **PR #1847**: Hardsubx crash fix, memory leak fixes, rcwt exit code fix
+- **PR #1848**: XDS empty content entries fix
 
 ## Status
 
-- [ ] CI run triggered
+- [x] PR #1847 merged
+- [x] PR #1848 merged
+- [ ] Verification CI run triggered
 - [ ] Results analyzed
-- [ ] Triage decisions made

src/ccextractor.c

@@ -2,6 +2,8 @@
 /* CCExtractor, originally by carlos at ccextractor.org, now a lot of people.
 Credits: See AUTHORS.TXT
 License: GPL 2.0
+
+CI verification run: 2025-12-19T08:30 - Testing merged fixes from PRs #1847 and #1848
 */
 #include "ccextractor.h"
 #include <stdio.h>

src/lib_ccx/general_loop.c

@@ -1392,9 +1392,12 @@ int rcwt_loop(struct lib_ccx_ctx *ctx)
 	dec_sub = &dec_ctx->dec_sub;
 	telctx = dec_ctx->private_data;
 
-	/* Set minimum and current pts since rcwt has correct time */
+	/* Set minimum and current pts since rcwt has correct time.
+	 * Also set pts_set = 2 (MinPtsSet) so the Rust timing code knows
+	 * that min_pts is valid and can calculate fts_now properly. */
 	dec_ctx->timing->min_pts = 0;
 	dec_ctx->timing->current_pts = 0;
+	dec_ctx->timing->pts_set = 2; // 2 = min_pts set
 
 	// Loop until no more data is found
 	while (1)

src/lib_ccx/wtv_functions.c

@@ -436,8 +436,15 @@ LLONG get_data(struct lib_ccx_ctx *ctx, struct wtv_chunked_buffer *cb, struct de
 			dbg_print(CCX_DMT_PARSE, "TIME: %ld\n", time);
 			if (time != -1 && time != WTV_CC_TIMESTAMP_MAGIC)
 			{ // Ignore -1 timestamps
-				set_current_pts(dec_ctx->timing, time_to_pes_time(time));
-				dec_ctx->timing->pts_set = 1;
+				LLONG pes_time = time_to_pes_time(time);
+				set_current_pts(dec_ctx->timing, pes_time);
+				// Set min_pts on first valid timestamp to enable fts_now calculation
+				if (dec_ctx->timing->min_pts == 0x01FFFFFFFF || pes_time < dec_ctx->timing->min_pts)
+				{
+					dec_ctx->timing->min_pts = pes_time;
+				}
+				// pts_set = 2 (MinPtsSet) is required for proper fts_now calculation
+				dec_ctx->timing->pts_set = 2;
 				frames_since_ref_time = 0;
 				set_fts(dec_ctx->timing);
 			}

src/rust/lib_ccxr/src/util/encoding.rs

@@ -584,7 +584,7 @@ fn latin1_to_line21(c: Latin1Char) -> Line21Char {
         0xbf => 0x83, // Inverted (open) question mark
         0xa2 => 0x85, // Cents symbol
         0xa3 => 0x86, // Pounds sterling
-        0xb6 => 0x87, // Music note (pilcrow in Latin-1)
+        b'#' => 0x87, // Music note (# in Latin-1)
         0xe0 => 0x88, // lowercase a, grave accent
         0x20 => 0x89, // transparent space
         0xe8 => 0x8a, // lowercase e, grave accent
@@ -682,7 +682,7 @@ pub fn line21_to_latin1(c: Line21Char) -> Latin1Char {
             0x84 => UNAVAILABLE_CHAR, // Trademark symbol (TM) - Does not exist in Latin 1
             0x85 => 0xa2,             // Cents symbol
             0x86 => 0xa3,             // Pounds sterling
-            0x87 => 0xb6,             // Music note - Not in latin 1, so we use 'pilcrow'
+            0x87 => b'#',             // Music note - Not in latin 1, so we use '#'
             0x88 => 0xe0,             // lowercase a, grave accent
             0x89 => 0x20,             // transparent space, we make it regular
             0x8a => 0xe8,             // lowercase e, grave accent