Minor Documentation updates. Flatpak, Ubuntu dependencies.

source/docs/en/latest/developer/build-windows.markdown

@@ -35,6 +35,7 @@ Dependencies:
 - autopoint
 - build-essential
 - cmake
+- clang
 - gcc
 - git
 - libtool
@@ -62,7 +63,7 @@ Additional MinGW-w64 toolchain dependencies:
 Install dependencies.
 
     sudo apt-get update
-    sudo apt-get install automake autoconf autopoint build-essential cmake gcc git intltool libtool libtool-bin m4 make meson nasm ninja-build patch pkg-config tar zlib1g-dev
+    sudo apt-get install automake autoconf autopoint build-essential cmake gcc git intltool libtool libtool-bin m4 make meson nasm ninja-build patch pkg-config tar zlib1g-dev clang
 
 Install the additional dependencies required to build the MinGW-w64 toolchain.
 

source/docs/en/latest/developer/flatpak-repo.markdown

@@ -29,11 +29,20 @@ Install flathub repository.
 
 Install flatpak freedesktop SDK.
 
-    flatpak install flathub org.freedesktop.Sdk//18.08
+    flatpak install flathub org.freedesktop.Sdk//21.08
 
 Install flatpak freedesktop runtime platform.
 
-    flatpak install flathub org.freedesktop.Platform//18.08
+    flatpak install flathub org.freedesktop.Platform//21.08
+    
+Install flatpak gnome 42.
+
+    flatpak install flathub org.gnome.Platform//42
+    flatpak intsall flathub org.gnome.Sdk//42
+    
+Install LLVM 14
+    flatpak install flathub org.freedesktop.Sdk.Extension.llvm14//21.08
+
 
 ## Create a new HandBrake flatpak bundle
 
@@ -45,6 +54,12 @@ Or to build HandBrake with Quick Sync Video support and HandBrake's Intel MediaS
 
     ./configure --flatpak --enable-qsv
     
+You may also want the following additional flags:
+
+    (AMD VCN) --enable-vce  
+    or  
+    (NVidia NVEnc) --enable-nvenc --enable-nvdec
+
 Build signed flatpak packages for GUI and CLI.
 
     cd build

source/docs/en/latest/developer/install-dependencies-ubuntu.markdown

@@ -30,6 +30,7 @@ Dependencies:
 - appstream
 - build-essential
 - cmake
+- clang
 - git
 - libass-dev
 - libbz2-dev
@@ -76,16 +77,14 @@ Graphical interface dependencies:
 - libdbus-glib-1-dev
 - libglib2.0-dev
 - libgstreamer1.0-dev
-- libgstreamer-plugins-base1.0-dev
 - libgtk-3-dev
-- libgudev-1.0-dev
 - libnotify-dev
 - libwebkit2gtk-4.0-dev
 
 Install dependencies.
 
     sudo apt-get update
-    sudo apt-get install autoconf automake autopoint appstream build-essential cmake git libass-dev libbz2-dev libfontconfig1-dev libfreetype6-dev libfribidi-dev libharfbuzz-dev libjansson-dev liblzma-dev libmp3lame-dev libnuma-dev libogg-dev libopus-dev libsamplerate-dev libspeex-dev libtheora-dev libtool libtool-bin libturbojpeg0-dev libvorbis-dev libx264-dev libxml2-dev libvpx-dev m4 make meson nasm ninja-build patch pkg-config tar zlib1g-dev
+    sudo apt-get install autoconf automake autopoint appstream build-essential cmake git libass-dev libbz2-dev libfontconfig1-dev libfreetype6-dev libfribidi-dev libharfbuzz-dev libjansson-dev liblzma-dev libmp3lame-dev libnuma-dev libogg-dev libopus-dev libsamplerate-dev libspeex-dev libtheora-dev libtool libtool-bin libturbojpeg0-dev libvorbis-dev libx264-dev libxml2-dev libvpx-dev m4 make meson nasm ninja-build patch pkg-config tar zlib1g-dev clang
 
 To build with Intel Quick Sync Video support, install the QSV dependencies.
 
@@ -93,6 +92,6 @@ To build with Intel Quick Sync Video support, install the QSV dependencies.
 
 To build the GTK [GUI](abbr:Graphical User Interface), install the graphical interface dependencies.
 
-    sudo apt-get install gstreamer1.0-libav intltool libappindicator-dev libdbus-glib-1-dev libglib2.0-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgtk-3-dev libgudev-1.0-dev libnotify-dev libwebkit2gtk-4.0-dev
+    sudo apt-get install gstreamer1.0-libav intltool libappindicator-dev libdbus-glib-1-dev libglib2.0-dev libgstreamer1.0-dev libgtk-3-dev libnotify-dev libwebkit2gtk-4.0-dev
 
 Ubuntu is now prepared to build HandBrake. See [Building HandBrake for Linux](build-linux.html) for further instructions.