# Copyright 1999-2022 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI=7 PYTHON_COMPAT=( python3_{8..10} ) inherit gstreamer-meson python-any-r1 MY_PN="gstreamer-vaapi" DESCRIPTION="Hardware accelerated video decoding through VA-API plugin for GStreamer" HOMEPAGE="https://gitlab.freedesktop.org/gstreamer/gstreamer-vaapi" SRC_URI="https://gstreamer.freedesktop.org/src/${MY_PN}/${MY_PN}-${PV}.tar.xz" LICENSE="LGPL-2.1+" SLOT="1.0" KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~x86" IUSE="+drm +egl gles2 +opengl wayland +X" # Keep default enabled IUSE in sync with gst-plugins-base and libva # gst-vaapi configure is based around GL platform mainly, unlike gst-plugins-bad that goes by GL API mainly; for less surprises, # we design gst-vaapi ebuild in terms of GL API as main choice as well, meaning that USE opengl and/or gles2 is required to # enable opengl support at all and choices get chained from there. # One or multiple video output are required: drm, x11, glx, egl and/or wayland; # but GL API is our main trigger, thus USE=egl should be ineffective if neither gles2 or opengl is enabled; # So "|| ( drm egl opengl wayland X )" would be wrong, because egl isn't built with USE="egl -opengl -gles2", ending up with no video outputs. # As we ensure at least one working GL output with other REQUIRED_USE, we can put gles2/opengl in REQUIRED_USE instead of egl, solving the issue. # gles2 API only supported windowing system (on linux) is EGL, so require it # opengl API only supported windowing systems (on linux) are EGL and GLX, so require one of them (glx is enabled with USE="opengl X") REQUIRED_USE=" || ( drm gles2 opengl wayland X ) gles2? ( egl ) opengl? ( || ( egl X ) ) " # glx doesn't require libva-glx (libva[opengl]) afaics, only by tests/test-display.c # USE flag behavior: # 'drm' enables vaapi drm support # 'egl' enables EGL platform support (but only if also 'opengl||gles2') # - 'egl' is exposed as a USE flag mainly to get EGL support instead of or in addition to GLX support with desktop GL while keeping it optional for pure GLX cases; # it's always required with USE=gles2, thus USE="gles2 opengl X" will require and build desktop GL EGL platform support as well on top of GLX, which doesn't add extra deps at that point. # 'gles2' enables GLESv2 or GLESv3 based GL API support # 'opengl' enables desktop OpenGL based GL API support # 'wayland' enables non-GL Wayland support; wayland EGL support when combined with 'egl' (but only if also 'opengl||gles2') # 'X' enables non-GL X support; GLX support when combined with 'opengl' # gst-plugins-bad still needed for codecparsers (GL libraries moved to -base); checked for 1.14 (recheck for 1.16) GST_REQ="${PV}" GL_DEPS=" >=media-libs/gst-plugins-base-${GST_REQ}:${SLOT}[egl?,gles2?,opengl?,wayland?,X?] media-libs/mesa[gles2?,egl(+)?,X?,${MULTILIB_USEDEP}] " RDEPEND=" >=media-libs/gst-plugins-base-${GST_REQ}:${SLOT}[${MULTILIB_USEDEP}] >=media-libs/gst-plugins-bad-${GST_REQ}:${SLOT}[${MULTILIB_USEDEP}] >=x11-libs/libva-1.4.0:=[drm?,wayland?,X?,${MULTILIB_USEDEP}] drm? ( >=virtual/libudev-208:=[${MULTILIB_USEDEP}] >=x11-libs/libdrm-2.4.98[${MULTILIB_USEDEP}] ) gles2? ( ${GL_DEPS} ) opengl? ( ${GL_DEPS} ) wayland? ( >=dev-libs/wayland-1.11.0[${MULTILIB_USEDEP}] ) X? ( >=x11-libs/libX11-1.6.2[${MULTILIB_USEDEP}] >=x11-libs/libXrandr-1.4.2[${MULTILIB_USEDEP}] x11-libs/libXrender[${MULTILIB_USEDEP}] ) " DEPEND="${RDEPEND}" BDEPEND="${PYTHON_DEPS}" S="${WORKDIR}/${MY_PN}-${PV}" # FIXME: "Failed to create vaapipostproc element" RESTRICT="test" multilib_src_configure() { local emesonargs=( -Dwith_encoders=yes -Dwith_drm=$(usex drm yes no) -Dwith_x11=$(usex X yes no) -Dwith_wayland=$(usex wayland yes no) ) if use opengl || use gles2; then emesonargs+=( -Dwith_egl=$(usex egl yes no) ) else emesonargs+=( -Dwith_egl=no ) fi if use opengl && use X; then emesonargs+=( -Dwith_glx=yes ) else emesonargs+=( -Dwith_glx=no ) fi # Workaround EGL/eglplatform.h being built with X11 present use X || export CFLAGS="${CFLAGS} -DEGL_NO_X11" gstreamer_multilib_src_configure }