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Saturate the reference POC LSB after a memory management op 5

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A saturated top POC with a negative bottom field could still overflow
here, as CodeRabbit noted.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Brandon Thomas
2026-10-29 21:58:53 -04:00
co-authored by Claude Opus 5.5
parent 9e768d659b
commit af4970e388
1 changed files with 1 additions and 1 deletions
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crates/video/src/h264/slice.rs
+1 -1
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@@ -532,7 +532,7 @@ impl PocState {
if sh.nal_ref_idc != 0 {
if mmco5 {
self.prev_ref_msb = 0;
self.prev_ref_lsb = poc.top - poc.frame();
self.prev_ref_lsb = poc.top.saturating_sub(poc.frame());
} else {
self.prev_ref_msb = poc.msb;
self.prev_ref_lsb = sh.pic_order_cnt_lsb as i32;