From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Fri, 10 Jul 2020 16:32:14 +0000 (+0200)
Subject: core/scale: fix flipping of packed 16- and 32-bit images
X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;h=36294f20b37c13c8b4c468a08e803baedac7e938;p=nihav.git

core/scale: fix flipping of packed 16- and 32-bit images
---

diff --git a/nihav-core/src/scale/mod.rs b/nihav-core/src/scale/mod.rs
index 2192b18..f93b9d2 100644
--- a/nihav-core/src/scale/mod.rs
+++ b/nihav-core/src/scale/mod.rs
@@ -320,7 +320,7 @@ pub fn flip_picture(pic: &mut NABufferType) -> ScaleResult<()> {
             }
         },
         NABufferType::Video16(ref mut vb) => {
-            let ncomp = vb.get_num_components();
+            let ncomp = vb.get_num_components().max(1);
             for comp in 0..ncomp {
                 let off    = vb.get_offset(comp);
                 let stride = vb.get_stride(comp);
@@ -332,7 +332,7 @@ pub fn flip_picture(pic: &mut NABufferType) -> ScaleResult<()> {
             }
         },
         NABufferType::Video32(ref mut vb) => {
-            let ncomp = vb.get_num_components();
+            let ncomp = vb.get_num_components().max(1);
             for comp in 0..ncomp {
                 let off    = vb.get_offset(comp);
                 let stride = vb.get_stride(comp);