On Thu, 10 Jun 2021, Raghav Gururajan via Guix-patches via wrote:

> * gnu/packages/messaging.scm (dino)[phases](wrap-env): New phase.
> [inputs]: Add gspell, gstreamer, gst-plugins-base, gst-plugins-good,
> icu4c, libsrtp and webrtc-audio-processing.
> ---
> gnu/packages/messaging.scm | 21 ++++++++++++++++++++-
> 1 file changed, 20 insertions(+), 1 deletion(-)
>
> diff --git a/gnu/packages/messaging.scm b/gnu/packages/messaging.scm
> index 5be733f3a2..41f26ba8e0 100644
> --- a/gnu/packages/messaging.scm
> +++ b/gnu/packages/messaging.scm
> @@ -114,6 +114,7 @@
>   #:use-module (gnu packages sphinx)
>   #:use-module (gnu packages sqlite)
>   #:use-module (gnu packages tcl)
> +  #:use-module (gnu packages telephony)
>   #:use-module (gnu packages texinfo)
>   #:use-module (gnu packages textutils)
>   #:use-module (gnu packages tls)
> @@ -1241,6 +1242,17 @@ Encryption to Gajim.")
>                            (guix build glib-or-gtk-build-system))
>        #:phases
>        (modify-phases %standard-phases
> +         (add-after 'install 'wrap-env
> +           (lambda* (#:key outputs #:allow-other-keys)
> +             (let ((out (assoc-ref outputs "out")))
> +               (for-each
> +                (lambda (name)
> +                  (let ((file (string-append out "/bin/" name))
> +                        (gst-plugin-path (getenv "GST_PLUGIN_SYSTEM_PATH")))
> +                    (wrap-program file
> +                      `("GST_PLUGIN_SYSTEM_PATH" ":" prefix (,gst-plugin-path)))))
> +                '("dino")))
> +             #t))

Nitpick of a sort: Can we forgo the #t with the (hopefully soon) 
upcoming core-updates merge?

[…]

> +       ("gspell" ,gspell)               ; for spell-check support
> +       ("gstreamer" ,gstreamer)         ; for A/V support
> +       ("gst-plugins-base" ,gst-plugins-base)
> +       ("gst-plugins-good" ,gst-plugins-good)

[…]

> +       ("webrtc-audio-processing" ,webrtc-audio-processing))) ; for A/V support

Is there actual A/V support in this version of Dino, or is that only 
coming in 0.3.0?

Best,
Jack