fix(wtv): Set sync_pts alongside min_pts to prevent PTS jump detection

Author: cfsmp3

src/lib_ccx/wtv_functions.c

@@ -438,10 +438,13 @@ LLONG get_data(struct lib_ccx_ctx *ctx, struct wtv_chunked_buffer *cb, struct de
 			{ // Ignore -1 timestamps
 				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
+				// Set min_pts and sync_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;
+					// Also set sync_pts to prevent PTS jump detection from triggering
+					// when pts_set becomes MinPtsSet (sync_pts - current_pts would be huge otherwise)
+					dec_ctx->timing->sync_pts = pes_time;
 				}
 				// pts_set = 2 (MinPtsSet) is required for proper fts_now calculation
 				dec_ctx->timing->pts_set = 2;