Switch from mediainfo to ffprobe

transcoder/Dockerfile.dev

@@ -31,9 +31,9 @@ RUN sed -i -e's/ main/ main contrib non-free/g' /etc/apt/sources.list.d/debian.s
 RUN apt-get update \
 	&& apt-get install --no-install-recommends --no-install-suggests -y \
 	# runtime dependencies
-	ffmpeg libavformat-dev \
+	ffmpeg \
 	# build dependencies
-	libavutil-dev libswscale-dev libmediainfo-dev \
+	libavformat-dev libavutil-dev libswscale-dev \
 	# hwaccel dependencies
 	vainfo mesa-va-drivers \
 	# intel hwaccel dependencies, not available everywhere