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fix(wtv): Set sync_pts alongside min_pts to prevent PTS jump detection #1853

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Merged
cfsmp3 merged 1 commit into from
Dec 19, 2025
Merged

fix(wtv): Set sync_pts alongside min_pts to prevent PTS jump detection #1853

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5 changes: 4 additions & 1 deletion src/lib_ccx/wtv_functions.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
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