ffmpeg: update to 4.1.1.

enable nvenc for native builds

srcpkgs/ffmpeg/template

@@ -1,15 +1,15 @@
 # Template file for 'ffmpeg'
 # audacity also needs to be bumped when a new ffmpeg version bumps libavformat's soname!
 pkgname=ffmpeg
-version=4.1
-revision=4
+version=4.1.1
+revision=1
 short_desc="Decoding, encoding and streaming software"
 maintainer="Johannes <johannes.brechtmann@gmail.com>"
 license="GPL-3.0-or-later"
 homepage="https://www.ffmpeg.org"
 changelog="https://raw.githubusercontent.com/FFmpeg/FFmpeg/master/Changelog"
 distfiles="${homepage}/releases/ffmpeg-${version}.tar.xz"
-checksum=a38ec4d026efb58506a99ad5cd23d5a9793b4bf415f2c4c2e9c1bb444acd1994
+checksum=373749824dfd334d84e55dff406729edfd1606575ee44dd485d97d45ea4d2d86
 
 hostmakedepends="pkg-config perl yasm"
 makedepends="zlib-devel bzip2-devel freetype-devel alsa-lib-devel libXfixes-devel
@@ -31,6 +31,11 @@ case "$XBPS_TARGET_MACHINE" in
 	mips*) CFLAGS="-mnan=legacy";;
 esac
 
+# nvenc support is broken for cross builds
+if [ -z "$CROSS_BUILD" ]; then
+	build_options_default+=" nvenc"
+fi
+
 do_configure() {
 	# Fix gcc on x86_64-musl only
 	if [ "$XBPS_TARGET_MACHINE" = "x86_64-musl" ]; then