package/tvheadend: add option to en-/disable transcoding support

https://github.com/tvheadend/tvheadend/commit/014bb9505e1d7eb6e37e10931dd89ab3b1a0dc01
extended the already present transcoding support and included vaapi-
accelerated transcoding.

In order to support these new options and their numerous dependencies
we add a new Kconfig option for transcoding support to allow users to
disable transcoding support, because they use tvheadend for recording
or by its internal hts protocol, for example with the kodi-pvr-hts
addon.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/tvheadend/Config.in

@@ -10,10 +10,6 @@ config BR2_PACKAGE_TVHEADEND
 	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	select BR2_PACKAGE_DTV_SCAN_TABLES
-	select BR2_PACKAGE_FFMPEG_AVRESAMPLE if BR2_PACKAGE_FFMPEG
-	select BR2_PACKAGE_FFMPEG_SWSCALE if BR2_PACKAGE_FFMPEG
-	select BR2_PACKAGE_LIBVPX if BR2_PACKAGE_FFMPEG && !BR2_bfin # libvpx
-	select BR2_PACKAGE_X264 if BR2_PACKAGE_FFMPEG
 	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
 	select BR2_PACKAGE_OPENSSL
 	help
@@ -28,3 +24,17 @@ config BR2_PACKAGE_TVHEADEND
 	      is available on port 9981.
 	    - if you want Avahi support, you'll need to enable:
 	          Avahi, D-Bus, libdaemon
+
+if BR2_PACKAGE_TVHEADEND
+
+config BR2_PACKAGE_TVHEADEND_TRANSCODING
+	bool "transcoding support"
+	select BR2_PACKAGE_FFMPEG
+	select BR2_PACKAGE_FFMPEG_AVRESAMPLE
+	select BR2_PACKAGE_FFMPEG_SWSCALE
+	select BR2_PACKAGE_LIBVPX if !BR2_bfin # libvpx
+	select BR2_PACKAGE_X264
+	help
+	  Enable transcoding support.
+
+endif

package/tvheadend/tvheadend.mk

@@ -26,7 +26,7 @@ else
 TVHEADEND_CONF_OPTS += --disable-dbus-1
 endif
 
-ifeq ($(BR2_PACKAGE_FFMPEG),y)
+ifeq ($(BR2_PACKAGE_TVHEADEND_TRANSCODING),y)
 TVHEADEND_DEPENDENCIES += ffmpeg
 TVHEADEND_CONF_OPTS += --enable-libav
 else