add BR2_PACKAGE_FREERDP3_VAAPI to enable/disable experimental VAAPI support

Author: jens-maus

buildroot-external/configs/generic-x86_64.config

@@ -53,6 +53,7 @@ BR2_PACKAGE_QUTSELECT=y
 BR2_PACKAGE_THINLINC=y
 BR2_PACKAGE_FREERDP3=y
 BR2_PACKAGE_FREERDP3_RDPECAM=y
+# BR2_PACKAGE_FREERDP3_VAAPI is not set
 # BR2_PACKAGE_FREERDP3_CLIENT_WL is not set
 BR2_PACKAGE_VIRT_VIEWER=y
 BR2_PACKAGE_WEBKITGTK=y

buildroot-external/package/freerdp3/Config.in

@@ -36,6 +36,17 @@ comment "gstreamer support needs X.Org"
 	depends on !BR2_PACKAGE_XORG7
 	depends on BR2_PACKAGE_GSTREAMER1
 
+config BR2_PACKAGE_FREERDP3_VAAPI
+	bool "VAAPI H.264 decoding"
+	depends on BR2_PACKAGE_FFMPEG
+	select BR2_PACKAGE_LIBVA
+	help
+	  Enable FreeRDP's experimental VAAPI hardware-accelerated
+	  H.264 decoding support.
+
+comment "VAAPI H.264 decoding needs ffmpeg"
+	depends on !BR2_PACKAGE_FFMPEG
+
 config BR2_PACKAGE_FREERDP3_SERVER
 	bool "server"
 	depends on BR2_PACKAGE_XORG7

buildroot-external/package/freerdp3/freerdp3.mk

@@ -94,7 +94,7 @@ else
 FREERDP3_CONF_OPTS += -DWITH_SIMD=OFF
 endif
 
-ifeq ($(BR2_PACKAGE_LIBVA),y)
+ifeq ($(BR2_PACKAGE_FREERDP3_VAAPI),y)
 FREERDP3_CONF_OPTS += \
 	-DWITH_VAAPI=ON \
 	-DWITH_VAAPI_H264_ENCODING=OFF