diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index 614a7ef..204ccf6 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -2,7 +2,7 @@
 # Contributor: Bug <bug2000@gmail.com>
 
 pkgname=xpra
-pkgver=4.3.3
+pkgver=4.3.4
 pkgrel=1
 pkgdesc="multi-platform screen and application forwarding system screen for X11"
 arch=('x86_64')
@@ -36,19 +36,27 @@ backup=('etc/xpra/xpra.conf' 'etc/xpra/xorg.conf'
         'etc/xpra/conf.d/65_proxy.conf'
         'etc/pam.d/xpra')
 source=($pkgname-$pkgver.tar.xz::$url/src/$pkgname-$pkgver.tar.xz
-        $pkgname-$pkgver.tar.xz.asc::$url/src/$pkgname-$pkgver.tar.xz.gpg)
+        $pkgname-$pkgver.tar.xz.asc::$url/src/$pkgname-$pkgver.tar.xz.gpg
+        xpra-4.3.4-ffmpeg5_1_deprecated_channels.patch # https://github.com/Xpra-org/xpra/commit/4cf2eb6d34a79f9704b593fd0781495badefa9ea
+        )
 
-md5sums=('0513c9236735b1288b1ba7ced6ac5f2b'
-         'SKIP')
-sha1sums=('d453924415ee1f6dfbf3c7108aba63790e2d7336'
-          'SKIP')
-sha256sums=('27acf3921a340357da095cd2ff4c0395b80bb499b23eb9c1904711ee40e577b0'
-            'SKIP')
+md5sums=('5fc61120ad5378287a8b4e2057581da1'
+         'SKIP'
+         'b99b7bb634c0745d53de3a9ac82c396d')
+sha1sums=('46d59c61a756b41126f7e685c7c0f68dc7dda86f'
+          'SKIP'
+          '7981a860d4a107948aa9d9720ca0f4c68731072f')
+sha256sums=('947512a281dac8d8aac351a9714bddf3353f392889e7de3a93fd08a748e704e6'
+            'SKIP'
+            'f79e4c125c692ccb621ace597acb4f756e86a96d38b5847b5d4572917b098bd1')
 validpgpkeys=('C11C0A4DF702EDF6C04F458C18ADB31CF18AD6BB') # Antoine Martin <antoine@nagafix.co.uk>
 
+prepare() {
+  patch -Np1 -d $pkgname-$pkgver -i ../xpra-4.3.4-ffmpeg5_1_deprecated_channels.patch
+}
+
 build() {
   cd "${srcdir}/$pkgname-$pkgver"
-  export PKG_CONFIG_PATH='/usr/lib/ffmpeg4.4/pkgconfig'
   python setup.py build
 }
 
diff --git a/trunk/xpra-4.3.4-ffmpeg5_1_deprecated_channels.patch b/trunk/xpra-4.3.4-ffmpeg5_1_deprecated_channels.patch
new file mode 100644
index 0000000..89e098a
--- /dev/null
+++ b/trunk/xpra-4.3.4-ffmpeg5_1_deprecated_channels.patch
@@ -0,0 +1,12 @@
+diff --git a/setup.py b/setup.py
+index 5c71e3d..5b9225a 100755
+--- a/setup.py
++++ b/setup.py
+@@ -2353,6 +2353,7 @@ if vpx_ENABLED:
+ toggle_packages(enc_ffmpeg_ENABLED, "xpra.codecs.enc_ffmpeg")
+ if enc_ffmpeg_ENABLED:
+     ffmpeg_pkgconfig = pkgconfig("libavcodec", "libavformat", "libavutil")
++    add_to_keywords(ffmpeg_pkgconfig, 'extra_compile_args', "-Wno-deprecated-declarations")
+     add_cython_ext("xpra.codecs.enc_ffmpeg.encoder",
+                 ["xpra/codecs/enc_ffmpeg/encoder.pyx"],
+                 **ffmpeg_pkgconfig)