# ***** 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}/vpx/include -I${mingw_LIBDIR}/x264/include -I${mingw_LIBDIR}/xvidcore/include -I${mingw_LIBDIR}/dirac/include/dirac -I${mingw_LIBDIR}/schroedinger/include/schroedinger-1.0 -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${mingw_LIBDIR}/vpx/lib -L${mingw_LIBDIR}/x264/lib -L${mingw_LIBDIR}/xvidcore/lib -L${mingw_LIBDIR}/dirac/lib -L${mingw_LIBDIR}/schroedinger/lib -L${mingw_LIBDIR}/orc/lib -L${mingw_LIBDIR}/zlib/lib")
set(FFMPEG_EXTRA_FLAGS --extra-cflags=${FFMPEG_CFLAGS} --extra-ldflags=${FFMPEG_LDFLAGS})
set(FFMPEG_ENV PKG_CONFIG_PATH=${mingw_LIBDIR}/schroedinger/lib/pkgconfig:${mingw_LIBDIR}/orc/lib/pkgconfig:${mingw_LIBDIR}/x264/lib/pkgconfig:${mingw_LIBDIR})

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
		)
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
		)
endif()

ExternalProject_Add(external_ffmpeg
	URL ${FFMPEG_URI}
	DOWNLOAD_DIR ${DOWNLOAD_DIR}
	URL_HASH MD5=${FFMPEG_HASH}
	PREFIX ${BUILD_DIR}/ffmpeg
	CONFIGURE_COMMAND ${CONFIGURE_ENV_NO_PERL} &&
		cd ${BUILD_DIR}/ffmpeg/src/external_ffmpeg/ &&
		${FFMPEG_ENV} ${CONFIGURE_COMMAND_NO_TARGET} ${FFMPEG_EXTRA_FLAGS}
		--disable-lzma
		--disable-avfilter
		--disable-vdpau
		--disable-bzlib
		--disable-libgsm
		--disable-libspeex
		--enable-libvpx
		--prefix=${LIBDIR}/ffmpeg
		--enable-libschroedinger
		--enable-libtheora
		--enable-libvorbis
		--enable-zlib
		--enable-stripping
		--enable-runtime-cpudetect
		--disable-vaapi
		--disable-nonfree
		--enable-gpl
		--disable-postproc
		--disable-x11grab
		--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-sdl
		--disable-gnutls
		--disable-vda
		--disable-videotoolbox
		--disable-libxcb
		--disable-xlib
		--disable-audiotoolbox
		--disable-cuvid
		--disable-nvenc
		--disable-indev=jack
		--disable-indev=alsa
		--disable-outdev=alsa
  PATCH_COMMAND ${PATCH_CMD} --verbose -p 0 -N -d ${BUILD_DIR}/ffmpeg/src/external_ffmpeg < ${PATCH_DIR}/ffmpeg.diff
  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(MSVC)

add_dependencies(external_ffmpeg external_zlib external_faad external_openjpeg external_xvidcore external_x264 external_schroedinger external_vpx external_theora external_vorbis external_ogg external_lame)
if(WIN32)
	add_dependencies(external_ffmpeg external_zlib_mingw)
endif()