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# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-video/ffmpeg/ffmpeg-0.4.9_p20080326.ebuild,v 1.3 2008/07/07 20:39:09 loki_val Exp $

inherit eutils flag-o-matic multilib toolchain-funcs

DESCRIPTION="Complete solution to record, convert and stream audio and video.
Includes libavcodec. svn revision 11878"
HOMEPAGE="http://ffmpeg.org/"
MY_P=${P/_/-}
SRC_URI="mirror://gentoo/${MY_P}.tar.bz2"

S=${WORKDIR}/ffmpeg

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd"
IUSE="aac altivec amr debug doc ieee1394 a52 encode imlib ipv6 mmx vorbis
	  test theora threads truetype x264 xvid network zlib sdl X mp3
	  hardcoded-tables bindist"

RDEPEND="imlib? ( media-libs/imlib2 )
	truetype? ( >=media-libs/freetype-2 )
	sdl? ( >=media-libs/libsdl-1.2.10 )
	encode? (
		aac? ( media-libs/faac )
		mp3? ( media-sound/lame )
		vorbis? ( media-libs/libvorbis )
		theora? ( media-libs/libtheora )
		x264? ( media-libs/x264 )
		xvid? ( >=media-libs/xvid-1.1.0 ) )
	aac? ( media-libs/faad2 )
	a52? ( >=media-libs/a52dec-0.7.4-r4 )
	zlib? ( sys-libs/zlib )
	ieee1394? ( =media-libs/libdc1394-1*
				sys-libs/libraw1394 )
	X? ( x11-libs/libX11 x11-libs/libXext )
	amr? ( media-libs/amrnb media-libs/amrwb )"

DEPEND="${RDEPEND}
	doc? ( app-text/texi2html )
	test? ( net-misc/wget )"

src_unpack() {
	unpack ${A}

	cd "${S}"

	#Append -DBROKEN_RELOCATIONS to build for bug 179872.
	#Pretty please fix me if you can.
	append-flags "-DBROKEN_RELOCATIONS"

	# .pc files contain wrong libdir path
	epatch "${FILESDIR}/${PN}-libdir-2007.patch"
	sed -i -e "s:GENTOOLIBDIR:$(get_libdir):" configure

	# To make sure the ffserver test will work
	sed -i -e "s:-e debug=off::" tests/server-regression.sh

	epatch "${FILESDIR}/${PN}-shared-gcc4.1.patch"
	# disable non pic safe asm, bug #172877, bug #172845 and dupes
	# epatch "${FILESDIR}/${PN}-0.4.9_p20070330-asmpic.patch"
}

src_compile() {
	replace-flags -O0 -O2
	#x86, what a wonderful arch....
	replace-flags -O1 -O2
	local myconf="${EXTRA_ECONF}"

	#disable mmx accelerated code if not requested, or if PIC is required
	# as the provided asm decidedly is not PIC.
	if ( gcc-specs-pie || ! use mmx ) ; then
		myconf="${myconf} --disable-mmx --disable-mmx2"
	fi

	# enabled by default
	use altivec || myconf="${myconf} --disable-altivec"
	use debug || myconf="${myconf} --disable-debug"
	use zlib || myconf="${myconf} --disable-zlib"
	use sdl || myconf="${myconf} --disable-ffplay"

	if use network; then
		use ipv6 || myconf="${myconf} --disable-ipv6"
	else
		myconf="${myconf} --disable-network"
	fi

	myconf="${myconf} --disable-optimizations"

	# disabled by default
	if use encode
	then
		use aac && myconf="${myconf} --enable-libfaac"
		use mp3 && myconf="${myconf} --enable-libmp3lame"
		use vorbis && myconf="${myconf} --enable-libvorbis"
		use theora && myconf="${myconf} --enable-libtheora"
		use x264 && myconf="${myconf} --enable-libx264"
		use xvid && myconf="${myconf} --enable-libxvid"
	else
		myconf="${myconf} --disable-encoders"
	fi
	use a52 && myconf="${myconf} --enable-liba52"
	use ieee1394 && myconf="${myconf} --enable-libdc1394"
	use threads && myconf="${myconf} --enable-pthreads"
	use X && myconf="${myconf} --enable-x11grab"
	use aac && myconf="${myconf} --enable-libfaad"
	if use bindist
	then
		use amr && einfo "libamr is nonfree and cannot be distributed"
	else
		use amr && myconf="${myconf} --enable-libamr-nb \
									 --enable-libamr-wb \
									 --enable-nonfree"
	fi

	myconf="${myconf} --enable-gpl --enable-postproc \
			--enable-avfilter --enable-avfilter-lavf \
			--enable-swscale --disable-stripping"

	tc-is-cross-compiler && myconf="${myconf} --cross-compile --arch=$(tc-arch-kernel)"

	use hardcoded-tables && myconf="${myconf} --enable-hardcoded-tables"

	# Specific workarounds for too-few-registers arch...
	if [[ $(tc-arch) == "x86" ]]; then
		filter-flags -fforce-addr -momit-leaf-frame-pointer
		append-flags -fomit-frame-pointer
		is-flag -O? || append-flags -O2
		if (use debug); then
			# no need to warn about debug if not using debug flag
			ewarn ""
			ewarn "Debug information will be almost useless as the frame pointer is omitted."
			ewarn "This makes debugging harder, so crashes that has no fixed behavior are"
			ewarn "difficult to fix. Please have that in mind."
			ewarn ""
		fi
	fi

	cd "${S}"
	./configure \
		--prefix=/usr \
		--libdir=/usr/$(get_libdir) \
		--shlibdir=/usr/$(get_libdir) \
		--mandir=/usr/share/man \
		--enable-static --enable-shared \
		"--cc=$(tc-getCC)" \
		${myconf} || die "configure failed"

	emake -j1 depend || die "depend failed"
	emake || die "make failed"
}

src_install() {
	emake -j1 LDCONFIG=true DESTDIR="${D}" install || die "Install Failed"

	use doc && emake -j1 documentation
	dodoc Changelog README INSTALL
	dodoc doc/*
}

# Never die for now...
src_test() {
	cd "${S}/tests"
	for t in "codectest libavtest test-server" ; do
		make ${t} || ewarn "Some tests in ${t} failed"
	done
}

pkg_postinst() {
	ewarn "ffmpeg may have had ABI changes, if ffmpeg based programs"
	ewarn "like xine-lib or vlc stop working as expected please"
	ewarn "rebuild them."
}