add vaapi driver to dockerfile

Dockerfile

@@ -1,5 +1,5 @@
 FROM mcr.microsoft.com/dotnet/aspnet:5.0-focal-amd64 AS runtime-base
-RUN apt-get update && apt-get install -y ffmpeg
+RUN apt-get update && apt-get install -y ffmpeg i965-va-driver
 
 # https://hub.docker.com/_/microsoft-dotnet
 FROM mcr.microsoft.com/dotnet/sdk:5.0 AS build

docker-compose.yml

@@ -11,6 +11,11 @@ services:
         volumes:
             - ersatztv:/root/.local/share/ersatztv
             #- /media/shared:/media/shared:ro 
+
+# uncomment for vaapi support
+#        devices:
+#            - /dev/dri/renderD128:/dev/dri/renderD128
+
 # uncomment for nvenc support
 #        environment:
 #            NVIDIA_VISIBLE_DEVICES: all