gst1-plugins-bad: add new Timed Text Markup Language (TTML) plugin

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gstreamer1/gst1-plugins-bad/Config.in

@@ -547,6 +547,23 @@ config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_LIBMMS
 comment "libmms needs a toolchain w/ wchar, threads"
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS
 
+config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_TTML
+	bool "ttml"
+	depends on BR2_USE_WCHAR # pango -> glib2
+	depends on BR2_TOOLCHAIN_HAS_THREADS # pango -> glib2
+	depends on BR2_INSTALL_LIBSTDCPP # pango -> freetype
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango -> harfbuzz
+	select BR2_PACKAGE_CAIRO
+	select BR2_PACKAGE_LIBXML2
+	select BR2_PACKAGE_PANGO
+	help
+	  Timed Text Markup Language (TTML) subtitle plugin
+
+comment "ttml needs a toolchain w/ wchar, threads, C++"
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
+		!BR2_INSTALL_LIBSTDCPP
+
 config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_MPEG2ENC
 	bool "mpeg2enc"
 	select BR2_PACKAGE_LIBMPEG2

package/gstreamer1/gst1-plugins-bad/gst1-plugins-bad.mk

@@ -636,6 +636,13 @@ else
 GST1_PLUGINS_BAD_CONF_OPTS += --disable-libmms
 endif
 
+ifeq ($(BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_TTML),y)
+GST1_PLUGINS_BAD_CONF_OPTS += --enable-ttml
+GST1_PLUGINS_BAD_DEPENDENCIES += cairo libxml2 pango
+else
+GST1_PLUGINS_BAD_CONF_OPTS += --disable-ttml
+endif
+
 ifeq ($(BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_MPEG2ENC),y)
 GST1_PLUGINS_BAD_CONF_OPTS += --enable-mpeg2enc
 GST1_PLUGINS_BAD_DEPENDENCIES += libmpeg2