--- /dev/null
+################################################################################
+#
+# gst1-libav
+#
+################################################################################
+
+GST1_LIBAV_VERSION = 1.2.2
+GST1_LIBAV_SOURCE = gst-libav-$(GST1_LIBAV_VERSION).tar.xz
+GST1_LIBAV_SITE = http://gstreamer.freedesktop.org/src/gst-libav
+
+GST1_LIBAV_DEPENDENCIES = host-pkgconf gstreamer1 gst1-plugins-base
+
+GST1_LIBAV_CONF_EXTRA_OPT = \
+ --cross-prefix=$(TARGET_CROSS) \
+ --target-os=linux \
+ $(if $(BR2_ENABLE_DEBUG),--enable-debug,--disable-debug)
+
+ifeq ($(BR2_PACKAGE_ZLIB),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --enable-zlib
+GST1_LIBAV_DEPENDENCIES += zlib
+else
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-zlib
+endif
+
+ifeq ($(BR2_PACKAGE_BZIP2),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --enable-bzlib
+GST1_LIBAV_DEPENDENCIES += bzip2
+else
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-bzlib
+endif
+
+ifeq ($(BR2_X86_CPU_HAS_MMX),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --enable-yasm
+GST1_LIBAV_DEPENDENCIES += host-yasm
+else
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-yasm
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-mmx
+endif
+
+ifeq ($(BR2_X86_CPU_HAS_SSE),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --enable-sse
+else
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-sse
+endif
+
+ifeq ($(BR2_X86_CPU_HAS_SSSE3),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --enable-ssse3
+else
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-ssse3
+endif
+
+# Explicitly disable everything that doesn't match for ARM
+# FFMPEG "autodetects" by compiling an extended instruction via AS
+# This works on compilers that aren't built for generic by default
+ifeq ($(BR2_arm7tdmi)$(BR2_arm720t)$(BR2_arm920t)$(BR2_arm922t)$(BR2_strongarm)$(BR2_fa526),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-armv5te
+endif
+ifeq ($(BR2_arm1136jf_s)$(BR2_arm1176jz_s)$(BR2_arm1176jzf_s),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --enable-armv6
+else
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-armv6 --disable-armv6t2
+endif
+ifeq ($(BR2_ARM_CPU_HAS_NEON),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --enable-neon
+else
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-neon
+endif
+ifeq ($(BR2_ARM_CPU_HAS_VFPV2),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --enable-vfp
+else
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-vfp
+endif
+
+# Set powerpc altivec appropriately
+ifeq ($(BR2_powerpc),y)
+ifeq ($(BR2_powerpc_7400)$(BR2_powerpc_7450)$(BR2_powerpc_970),y)
+GST1_LIBAV_CONF_EXTRA_OPT += --enable-altivec
+else
+GST1_LIBAV_CONF_EXTRA_OPT += --disable-altivec
+endif
+endif
+
+GST1_LIBAV_CONF_OPT = \
+ --with-libav-extra-configure="$(GST1_LIBAV_CONF_EXTRA_OPT)"
+
+$(eval $(autotools-package))