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# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ***** END GPL LICENSE BLOCK *****
set(FFMPEG_CFLAGS "-I${mingw_LIBDIR}/lame/include -I${mingw_LIBDIR}/openjpeg/include/ -I${mingw_LIBDIR}/ogg/include -I${mingw_LIBDIR}/vorbis/include -I${mingw_LIBDIR}/theora/include -I${mingw_LIBDIR}/opus/include -I${mingw_LIBDIR}/vpx/include -I${mingw_LIBDIR}/x264/include -I${mingw_LIBDIR}/xvidcore/include -I${mingw_LIBDIR}/zlib/include")
set(FFMPEG_LDFLAGS "-L${mingw_LIBDIR}/lame/lib -L${mingw_LIBDIR}/openjpeg/lib -L${mingw_LIBDIR}/ogg/lib -L${mingw_LIBDIR}/vorbis/lib -L${mingw_LIBDIR}/theora/lib -L${mingw_LIBDIR}/opus/lib -L${mingw_LIBDIR}/vpx/lib -L${mingw_LIBDIR}/x264/lib -L${mingw_LIBDIR}/xvidcore/lib -L${mingw_LIBDIR}/zlib/lib")
set(FFMPEG_EXTRA_FLAGS --pkg-config-flags=--static --extra-cflags=${FFMPEG_CFLAGS} --extra-ldflags=${FFMPEG_LDFLAGS})
set(FFMPEG_ENV PKG_CONFIG_PATH=${mingw_LIBDIR}/openjpeg/lib/pkgconfig:${mingw_LIBDIR}/x264/lib/pkgconfig:${mingw_LIBDIR}/vorbis/lib/pkgconfig:${mingw_LIBDIR}/ogg/lib/pkgconfig:${mingw_LIBDIR}:${mingw_LIBDIR}/vpx/lib/pkgconfig:${mingw_LIBDIR}/theora/lib/pkgconfig:${mingw_LIBDIR}/openjpeg/lib/pkgconfig:${mingw_LIBDIR}/opus/lib/pkgconfig:)
if(WIN32)
set(FFMPEG_ENV set ${FFMPEG_ENV} &&)
set(FFMPEG_EXTRA_FLAGS
${FFMPEG_EXTRA_FLAGS}
--disable-static
--enable-shared
--enable-w32threads
--disable-pthreads
--enable-libopenjpeg
)
if("${CMAKE_SIZEOF_VOID_P}" EQUAL "4")
set(FFMPEG_EXTRA_FLAGS
${FFMPEG_EXTRA_FLAGS}
--x86asmexe=yasm
)
endif()
else()
set(FFMPEG_EXTRA_FLAGS
${FFMPEG_EXTRA_FLAGS}
--enable-static
--disable-shared
--enable-libopenjpeg
)
endif()
if(APPLE)
set(FFMPEG_EXTRA_FLAGS
${FFMPEG_EXTRA_FLAGS}
--target-os=darwin
--x86asmexe=${LIBDIR}/nasm/bin/nasm
)
endif()
ExternalProject_Add(external_ffmpeg
URL ${FFMPEG_URI}
DOWNLOAD_DIR ${DOWNLOAD_DIR}
URL_HASH MD5=${FFMPEG_HASH}
# OpenJpeg is compiled with pthread support on Linux, which is all fine and is what we
# want for maximum runtime performance, but due to static nature of that library we
# need to force ffmpeg to link against pthread, otherwise test program used by autoconf
# will fail. This patch does that in a way that is compatible with multiple distributions.
PATCH_COMMAND ${PATCH_CMD} --verbose -p 1 -N -d ${BUILD_DIR}/ffmpeg/src/external_ffmpeg < ${PATCH_DIR}/ffmpeg.diff
PREFIX ${BUILD_DIR}/ffmpeg
CONFIGURE_COMMAND ${CONFIGURE_ENV_NO_PERL} &&
cd ${BUILD_DIR}/ffmpeg/src/external_ffmpeg/ &&
${FFMPEG_ENV} ${CONFIGURE_COMMAND_NO_TARGET} ${FFMPEG_EXTRA_FLAGS}
--disable-lzma
--disable-avfilter
--disable-vdpau
--disable-bzlib
--disable-libgsm
--disable-libspeex
--enable-libvpx
--enable-libopus
--prefix=${LIBDIR}/ffmpeg
--enable-libtheora
--enable-libvorbis
--enable-zlib
--enable-stripping
--enable-runtime-cpudetect
--disable-vaapi
--disable-nonfree
--enable-gpl
--disable-postproc
--enable-libmp3lame
--disable-librtmp
--enable-libx264
--enable-libxvid
--disable-libopencore-amrnb
--disable-libopencore-amrwb
--disable-libdc1394
--disable-version3
--disable-debug
--enable-optimizations
--disable-sse
--disable-ssse3
--enable-ffplay
--disable-openssl
--disable-securetransport
--disable-indev=avfoundation
--disable-indev=qtkit
--disable-sdl2
--disable-gnutls
--disable-videotoolbox
--disable-libxcb
--disable-xlib
--disable-audiotoolbox
--disable-cuvid
--disable-nvenc
--disable-indev=jack
--disable-indev=alsa
--disable-outdev=alsa
--disable-crystalhd
--disable-sndio
BUILD_COMMAND ${CONFIGURE_ENV_NO_PERL} && cd ${BUILD_DIR}/ffmpeg/src/external_ffmpeg/ && make -j${MAKE_THREADS}
INSTALL_COMMAND ${CONFIGURE_ENV_NO_PERL} && cd ${BUILD_DIR}/ffmpeg/src/external_ffmpeg/ && make install
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/ffmpeg ${DEFAULT_CMAKE_FLAGS}
INSTALL_DIR ${LIBDIR}/ffmpeg
)
if(MSVC)
set_target_properties(external_ffmpeg PROPERTIES FOLDER Mingw)
endif()
add_dependencies(
external_ffmpeg
external_zlib
external_openjpeg
external_xvidcore
external_x264
external_opus
external_vpx
external_theora
external_vorbis
external_ogg
external_lame
)
if(WIN32)
add_dependencies(
external_ffmpeg
external_zlib_mingw
)
endif()
if(APPLE)
add_dependencies(
external_ffmpeg
external_nasm
)
endif()
if(BUILD_MODE STREQUAL Release AND WIN32)
ExternalProject_Add_Step(external_ffmpeg after_install
COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/ffmpeg/include ${HARVEST_TARGET}/ffmpeg/include
COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/ffmpeg/bin ${HARVEST_TARGET}/ffmpeg/lib
DEPENDEES install
)
endif()
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