From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Sat, 21 Mar 2026 14:17:43 +0000 (+0100)
Subject: mpeg4asp: quantiser-related fixes
X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;h=3cb8de9395127406b19c43fce7994dc182365ce0;p=nihav.git

mpeg4asp: quantiser-related fixes
---

diff --git a/nihav-mpeg/src/codecs/mpeg4asp/bitstream.rs b/nihav-mpeg/src/codecs/mpeg4asp/bitstream.rs
index a180a42..534d6eb 100644
--- a/nihav-mpeg/src/codecs/mpeg4asp/bitstream.rs
+++ b/nihav-mpeg/src/codecs/mpeg4asp/bitstream.rs
@@ -845,9 +845,10 @@ unimplemented!();
         /* ignore alpha part for gray shape */
 
         let quant = self.quant as i8 + dquant;
-        validate!((0..64).contains(&quant));
+        validate!((1..32).contains(&quant));
         let quant = quant as u8;
         mb.quant = quant;
+        self.quant = quant;
 
         let mut cbp = mb.cbp;
         if cbp != 0 || mb.mb_type == MBType::Intra {