branch master updated: gnu: svt-hevc: Mention the package should not be used as an input.

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     new 62075c6be4 gnu: svt-hevc: Mention the package should not be used as an 
input.
62075c6be4 is described below

commit 62075c6be4242866cf75c480115382568784a4b9
Author: Maxim Cournoyer <maxim.cournoyer@gmail.com>
AuthorDate: Thu Aug 31 12:41:17 2023 -0400

    gnu: svt-hevc: Mention the package should not be used as an input.
    
    * gnu/packages/video.scm (svt-hevc): Add a warning comment, as well as some
    extra explanation to the description.
    [home-page]: Update URL.
---
 gnu/packages/video.scm | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index ff52b9b38d..78202be471 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -319,6 +319,8 @@ video and audio streams from a DVD.")
      "https://linuxfromscratch.org/blfs/view/svn/multimedia/transcode.html";)
     (license license:gpl2+)))
 
+;;; Warning: this package shouldn't be added as an input anywhere, as it can
+;;; only be used for recent x86_64 CPUs implementing the AVX2 instruction!
 (define-public svt-hevc
   (package
     (name "svt-hevc")
@@ -341,11 +343,12 @@ video and audio streams from a DVD.")
     (synopsis "SVT HEVC encoder")
     (description "Scalable Video Technology (SVT) is a software-based video
 coding technology that is highly optimized for Intel's Xeon processors.  Using
-the SVT-HEVC encoder, it is possible to spread video encoding processing across
-multiple Intel's Xeon processors to achieve a real advantage of processing
-efficiency.")
-    (home-page "https://01.org/svt";)
-    ;; Specifically targets x86_64 Intel hardware.
+the SVT-HEVC encoder, it is possible to spread video encoding processing
+across multiple Intel's Xeon processors to achieve a real advantage of
+processing efficiency.  Note that this package @emph{requires} the AVX2
+instruction, which means it will @emph{not} work on older x86_64 CPUs such as
+the Core 2 Duo.")
+    (home-page "https://github.com/OpenVisualCloud/SVT-HEVC/";)
     (supported-systems '("x86_64-linux"))
     (license (license:non-copyleft "file:///LICENSE.md"))))