Get ffmpeg from new source

docker/nvidia/Dockerfile

@@ -1,10 +1,7 @@
 #! Some code was copied or inspired by https://github.com/ehfd/nvidia-dind/blob/main/Dockerfile
 # Which is licensed under  MPL-2.0 license
 # Thanks ehfd :)
-ARG UBUNTU_RELEASE=22.04
-FROM ghcr.io/linuxserver/ffmpeg:amd64-latest as ffmpeg
-
-FROM ubuntu:${UBUNTU_RELEASE}
+FROM ghcr.io/wanjohiryan/ffmpeg/v6:nightly
 
 ARG DEBIAN_FRONTEND=noninteractive
 
@@ -51,24 +48,6 @@ RUN chmod +x /root/download_gecko_and_mono.sh \
 RUN wget -nv -O /usr/bin/winetricks https://raw.githubusercontent.com/Winetricks/winetricks/master/src/winetricks \
     && chmod +x /usr/bin/winetricks
 
-#
-#Install ffmpeg5
-RUN mkdir -p etc/OpenCL/vendors
-COPY  --from=ffmpeg /usr/local /usr/local/
-COPY  --from=ffmpeg /etc/OpenCL/vendors/nvidia.icd /etc/OpenCL/vendors/
-
-RUN apt-get update; \
-    apt-get install -y \
-    libexpat1 libglib2.0-0 libgomp1 libharfbuzz0b libv4l-0 \
-    libwayland-client0 libx11-6 libx11-xcb1 libxcb1 libxcb-dri3-0 \
-    libxcb-shape0 libxcb-xfixes0 libxext6 libxfixes3 libxml2 ocl-icd-libopencl1; \
-    #
-    #clean up
-    rm -rf /var/lib/apt/lists/* /var/tmp/*
-
-#check the installed version
-RUN ffmpeg -version;
-
 #
 # NVIDIA Container Toolkit & Docker
 RUN distribution=$(. /etc/os-release;echo $ID$VERSION_ID); \
@@ -98,6 +77,7 @@ RUN groupadd --gid ${USER_GID} ${USERNAME}; \
 COPY docker/nvidia/modprobe docker/nvidia/entrypoint.sh docker/nvidia/dockerd.sh /usr/local/bin/
 COPY docker/nvidia/logger.sh /opt/bash-utils/logger.sh
 COPY ./arc3dia /usr/local/bin/
+
 #
 #Add execution permissions
 RUN chmod +x /usr/local/bin/entrypoint.sh /usr/local/bin/dockerd.sh /usr/local/bin/modprobe /usr/local/bin/arc3dia