X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fvp56.rs;h=2ab474bbb336df23a4b89b80a80630e0edfcff35;hb=6f2630992fe340ad1a122ec10c649f756e478185;hp=807756a495687533836950daa513237d528c2c14;hpb=8dd7f6798f3efb78b5b09dd71229a28c66099d4b;p=nihav.git

diff --git a/nihav-duck/src/codecs/vp56.rs b/nihav-duck/src/codecs/vp56.rs
index 807756a..2ab474b 100644
--- a/nihav-duck/src/codecs/vp56.rs
+++ b/nihav-duck/src/codecs/vp56.rs
@@ -486,7 +486,7 @@ impl VP56Decoder {
         let hdr = br.parse_header(&mut bc)?;
         validate!((hdr.offset as usize) < aoffset); //XXX: take alpha 3 byte offset into account?
 
-        if hdr.mb_w != 0 {
+        if hdr.mb_w != 0 && (usize::from(hdr.mb_w) != self.mb_w || usize::from(hdr.mb_h) != self.mb_h) {
             self.set_dimensions((hdr.mb_w as usize) * 16, (hdr.mb_h as usize) * 16);
         }
         let fmt = if !self.has_alpha {
@@ -633,7 +633,7 @@ impl VP56Decoder {
             self.fstate.last_idx = [24; 4];
             for mb_x in 0..self.mb_w {
                 self.fstate.mb_x = mb_x;
-                self.decode_mb(dframe, bc, &mut cr, br, &hdr, alpha)?;
+                self.decode_mb(dframe, bc, &mut cr, br, hdr, alpha)?;
                 self.dc_pred.next_mb();
             }
             self.dc_pred.update_row();