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# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{13..14} )
inherit python-single-r1 cmake flag-o-matic
DESCRIPTION="Open source multimedia framework for television broadcasting"
HOMEPAGE="https://www.mltframework.org/"
SRC_URI="https://github.com/mltframework/${PN}/releases/download/v${PV}/${P}.tar.gz"
LICENSE="GPL-3"
SLOT="0/7"
KEYWORDS="amd64 arm64 ~loong ~ppc64 ~riscv ~x86"
IUSE="debug ffmpeg frei0r gtk jack libsamplerate opencv opengl python qt6
rtaudio rnnoise rubberband sdl sox test vdpau vidstab vorbis xine xml"
REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
RESTRICT="!test? ( test )"
# rtaudio will use OSS on non linux OSes
# Qt already needs FFTW/PLUS so let's just always have it on to ensure
# MLT is useful: bug #603168.
RDEPEND="
>=media-libs/libebur128-1.2.2:=
sci-libs/fftw:3.0=
ffmpeg? ( media-video/ffmpeg:0=[vdpau?] )
frei0r? ( media-plugins/frei0r-plugins )
gtk? (
media-libs/fontconfig
media-libs/libexif
x11-libs/gdk-pixbuf:2
x11-libs/pango
)
jack? (
dev-libs/glib:2
>=dev-libs/libxml2-2.5:=
media-libs/ladspa-sdk
virtual/jack
)
libsamplerate? ( >=media-libs/libsamplerate-0.1.2 )
opencv? (
>=media-libs/opencv-4.5.1:=[contrib]
|| (
media-libs/opencv[ffmpeg]
media-libs/opencv[gstreamer]
)
)
opengl? (
media-libs/libglvnd
media-video/movit
)
python? ( ${PYTHON_DEPS} )
qt6? (
dev-qt/qtbase:6[gui,network,opengl,widgets,xml]
dev-qt/qtsvg:6
media-libs/libexif
x11-libs/libX11
)
rtaudio? (
>=media-libs/rtaudio-4.1.2:=
kernel_linux? ( media-libs/alsa-lib )
)
rnnoise? ( media-libs/rnnoise:= )
rubberband? ( media-libs/rubberband:= )
sdl? (
media-libs/libsdl2[X,opengl,video]
media-libs/sdl2-image
)
sox? ( media-sound/sox:= )
vidstab? ( media-libs/vidstab )
vorbis? ( media-libs/libvorbis )
xine? ( >=media-libs/xine-lib-1.1.2_pre20060328-r7 )
xml? ( >=dev-libs/libxml2-2.5:= )
"
# java? ( >=virtual/jre-1.8:* )
# perl? ( dev-lang/perl )
# php? ( dev-lang/php )
# ruby? ( ${RUBY_DEPS} )
# tcl? ( dev-lang/tcl:0= )
DEPEND="${RDEPEND}
test? ( dev-qt/qtbase:6 )
"
BDEPEND="
virtual/pkgconfig
python? ( >=dev-lang/swig-2.0 )
"
DOCS=( AUTHORS NEWS README.md )
PATCHES=(
# downstream
"${FILESDIR}"/${PN}-6.10.0-swig-underlinking.patch
"${FILESDIR}"/${PN}-6.22.1-no_lua_bdepend.patch
"${FILESDIR}"/${PN}-7.0.1-cmake-symlink.patch
"${FILESDIR}"/${P}-ffmpeg-9.patch # in git master
)
pkg_setup() {
use python && python-single-r1_pkg_setup
}
src_prepare() {
# Respect CFLAGS LDFLAGS when building shared libraries. Bug #308873
if use python; then
sed -i "/mlt.so/s/ -lmlt++ /& ${CFLAGS} ${LDFLAGS} /" src/swig/python/build || die
python_fix_shebang src/swig/python
fi
# Workaround kwalify dependency. Its not required on MSVC, we can ignore it as well.
sed -e '/find_package(Kwalify/ s/REQUIRED//' -i CMakeLists.txt || die
cmake_src_prepare
}
src_configure() {
# Workaround for bug #919981
append-ldflags $(test-flags-CCLD -Wl,--undefined-version)
# match order in CMakeLists.txt
local mycmakeargs=(
-DCMAKE_SKIP_RPATH=ON
-DGPL=ON
-DGPL3=ON
-DBUILD_TESTING=$(usex test)
-DCLANG_FORMAT=OFF
-DBUILD_TESTS_WITH_QT6=ON # The tests use qttest, this switch decides whether qt5 or qt6 is used.
-DMOD_AVFORMAT=$(usex ffmpeg)
-DUSE_AVDEVICE=$(usex ffmpeg)
#-DMOD_DECKLINK=
-DMOD_FREI0R=$(usex frei0r)
-DMOD_GDK=$(usex gtk)
-DMOD_GLAXNIMATE_QT6=$(usex qt6)
-DMOD_JACKRACK=$(usex jack)
-DUSE_LV2=OFF # TODO
-DUSE_VST2=OFF # TODO
-DMOD_KDENLIVE=ON
-DMOD_MOVIT=$(usex opengl)
#-DMOD_NDI=
#-DMOD_NORMALIZE=
#-DMOD_OLDFILM=
-DMOD_OPENCV=$(usex opencv)
# -DMOD_OPENFX=
-DMOD_PLUS=ON
#-DMOD_PLUSGPL=
-DMOD_QT6=$(usex qt6)
-DMOD_RESAMPLE=$(usex libsamplerate)
-DMOD_RTAUDIO=$(usex rtaudio)
-DMOD_RUBBERBAND=$(usex rubberband)
-DMOD_RNNOISE=$(usex rnnoise)
-DMOD_SDL1=OFF
-DMOD_SDL2=$(usex sdl)
-DMOD_SOX=$(usex sox)
-DMOD_SPATIALAUDIO=OFF # TODO: package libspatialaudio
-DMOD_VIDSTAB=$(usex vidstab)
-DMOD_VORBIS=$(usex vorbis)
-DMOD_XINE=$(usex xine)
-DMOD_XML=$(usex xml)
)
# TODO: rework upstream CMake to allow controlling MMX/SSE/SSE2
# TODO: add swig language bindings?
# see also https://www.mltframework.org/twiki/bin/view/MLT/ExtremeMakeover
if use python; then
mycmakeargs+=(
-DSWIG_PYTHON=ON
-DPython3_EXECUTABLE="${PYTHON}"
)
fi
cmake_src_configure
}
src_test() {
# see setenv in upstream repository
local -x MLT_REPOSITORY="${BUILD_DIR}/out/lib/mlt"
local -x MLT_DATA="${BUILD_DIR}/out/share/mlt"
local -x MLT_PROFILES_PATH="${BUILD_DIR}/out/share/mlt/profiles"
local -x MLT_PRESETS_PATH="${BUILD_DIR}/out/share/mlt/presets"
local -x LD_LIBRARY_PATH="${BUILD_DIR}/out/lib:${LD_LIBRARY_PATH}"
local -x PATH="${BUILD_DIR}/out/bin:${PATH}"
local CMAKE_SKIP_TESTS=()
use !xml && CMAKE_SKIP_TESTS+=( QtTest:xml )
cmake_src_test
}
src_install() {
cmake_src_install
insinto /usr/share/${PN}
doins -r demo
#
# Install SWIG bindings
#
docinto swig
if use python; then
dodoc "${S}"/src/swig/python/play.py
python_optimize
fi
}
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