# Copyright 1999-2021 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 EAPI=6 GST_ORG_MODULE="gst-plugins-base" inherit flag-o-matic gstreamer DESCRIPTION="Basepack of plugins for gstreamer" HOMEPAGE="https://gstreamer.freedesktop.org/" LICENSE="GPL-2+ LGPL-2+" KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ppc ppc64 ~riscv ~sparc x86" # For OpenGL we have three separate concepts, with a list of possibilities in each: # * opengl APIs - opengl and/or gles2; USE=opengl and USE=gles2 enable these accordingly; if neither is enabled, OpenGL helper library and elements are not built at all and all the other options aren't relevant # * opengl platforms - glx and/or egl; also cgl, wgl, eagl for non-linux; USE="X opengl" enables glx platform; USE="egl" enables egl platform. Rest is up for relevant prefix teams. # * opengl windowing system - x11, wayland, win32, cocoa, android, viv_fb, gbm and/or dispmanx; USE=X enables x11 (but for WSI it's automagic - FIXME), USE=wayland enables wayland, USE=gbm enables gbm (automagic upstream - FIXME); rest is up for relevant prefix/arch teams/contributors to test and provide patches # With the following limitations: # * If opengl and/or gles2 is enabled, a platform has to be enabled - x11 or egl in our case, but x11 (glx) is acceptable only with opengl # * If opengl and/or gles2 is enabled, a windowing system has to be enabled - x11, wayland or gbm in our case # * glx platform requires opengl API # * wayland, gbm and most other non-glx WSIs require egl platform # Additionally there is optional dmabuf support with egl for additional dmabuf based upload/download/eglimage options; # and optional graphene usage for gltransformation and glvideoflip elements and more GLSL Uniforms support in glshader; # and libpng/jpeg are required for gloverlay element; # Keep default IUSE options for relevant ones mirrored with gst-plugins-gtk and gst-plugins-bad IUSE="alsa +egl gbm gles2 +introspection ivorbis +ogg +opengl +orc +pango theora +vorbis wayland +X" GL_REQUIRED_USE=" || ( gbm wayland X ) wayland? ( egl ) gbm? ( egl ) " REQUIRED_USE=" ivorbis? ( ogg ) theora? ( ogg ) vorbis? ( ogg ) opengl? ( || ( egl X ) ${GL_REQUIRED_USE} ) gles2? ( egl ${GL_REQUIRED_USE} ) " # Dependencies needed by opengl library and plugin (enabled via USE gles2 and/or opengl) # dmabuf automagic from libdrm headers (drm_fourcc.h) and EGL, so ensure it with USE=egl (platform independent header used only, thus no MULTILIB_USEDEP); provides dmabuf based upload/download/eglimage options GL_DEPS=" >=media-libs/mesa-9.0[egl?,gbm?,gles2?,wayland?,${MULTILIB_USEDEP}] egl? ( x11-libs/libdrm ) gbm? ( >=dev-libs/libgudev-147[${MULTILIB_USEDEP}] >=x11-libs/libdrm-2.4.55[${MULTILIB_USEDEP}] ) wayland? ( dev-libs/wayland[${MULTILIB_USEDEP}] >=dev-libs/wayland-protocols-1.15 ) >=media-libs/graphene-1.4.0[${MULTILIB_USEDEP}] media-libs/libpng:0[${MULTILIB_USEDEP}] virtual/jpeg:0[${MULTILIB_USEDEP}] " # graphene for optional gltransformation and glvideoflip elements and more GLSL Uniforms support in glshader; libpng/jpeg for gloverlay element RDEPEND=" app-text/iso-codes >=dev-libs/glib-2.40.0:2[${MULTILIB_USEDEP}] >=media-libs/gstreamer-${PV}:1.0[introspection?,${MULTILIB_USEDEP}] >=sys-libs/zlib-1.2.8-r1[${MULTILIB_USEDEP}] alsa? ( >=media-libs/alsa-lib-1.0.27.2[${MULTILIB_USEDEP}] ) introspection? ( >=dev-libs/gobject-introspection-1.31.1:= ) ivorbis? ( >=media-libs/tremor-0_pre20130223[${MULTILIB_USEDEP}] ) ogg? ( >=media-libs/libogg-1.3.0[${MULTILIB_USEDEP}] ) orc? ( >=dev-lang/orc-0.4.24[${MULTILIB_USEDEP}] ) pango? ( >=x11-libs/pango-1.36.3[${MULTILIB_USEDEP}] ) theora? ( >=media-libs/libtheora-1.1.1[encode,${MULTILIB_USEDEP}] ) vorbis? ( >=media-libs/libvorbis-1.3.3-r1[${MULTILIB_USEDEP}] ) X? ( >=x11-libs/libX11-1.6.2[${MULTILIB_USEDEP}] >=x11-libs/libXext-1.3.2[${MULTILIB_USEDEP}] >=x11-libs/libXv-1.0.10[${MULTILIB_USEDEP}] ) gles2? ( ${GL_DEPS} ) opengl? ( ${GL_DEPS} ) !