Support building ffmpeg on arm64

cppbuild.sh

@@ -33,6 +33,9 @@ case $ARCH in
     arm*)
         ARCH=arm
         ;;
+    aarch64*)
+        ARCH=arm64
+        ;;
     i386|i486|i586|i686)
         ARCH=x86
         ;;

ffmpeg/cppbuild.sh

@@ -586,6 +586,72 @@ case $PLATFORM in
         make install
         ;;
 
+    linux-arm64)
+        tar --totals -xjf ../alsa-lib-$ALSA_VERSION.tar.bz2
+
+        export CFLAGS="-march=armv8-a+crypto -mcpu=cortex-a57+crypto"
+        export CXXFLAGS="$CFLAGS"
+        export CPPFLAGS="$CFLAGS"
+        HOST_ARCH="$(uname -m)"
+        cd $ZLIB
+        CC="gcc -fPIC" ./configure --prefix=$INSTALL_PATH --static
+        make -j $MAKEJ V=0
+        make install
+        cd ../$LAME
+        CC="gcc" ./configure --prefix=$INSTALL_PATH --disable-shared --with-pic --host=aarch64-linux
+        make -j $MAKEJ V=0
+        make install
+        cd ../$SPEEX
+        ./configure --prefix=$INSTALL_PATH --disable-shared --with-pic --host=aarch64-linux
+        make -j $MAKEJ V=0
+        make install
+        cd ../$OPUS
+        ./configure --prefix=$INSTALL_PATH --disable-shared --with-pic --host=aarch64-linux
+        make -j $MAKEJ V=0
+        make install
+        cd ../$OPENCORE_AMR
+        ./configure --prefix=$INSTALL_PATH --disable-shared --with-pic --host=aarch64-linux
+        make -j $MAKEJ V=0
+        make install
+        cd ../$VO_AMRWBENC
+        ./configure --prefix=$INSTALL_PATH --disable-shared --with-pic --host=aarch64-linux
+        make -j $MAKEJ V=0
+        make install
+        cd ../$OPENSSL
+        ./Configure linux-aarch64 -fPIC --prefix=$INSTALL_PATH  "$CFLAGS" no-shared no-afalgeng no-idea no-mdc2 no-rc5 no-zlib no-ssl3 no-ssl3-method enable-rfc3779 enable-cms
+        make -j $MAKEJ
+        make install_sw
+        cd ../openh264-$OPENH264_VERSION
+        make -j $MAKEJ DESTDIR=./ PREFIX=.. OS=linux ARCH=arm64 USE_ASM=No install-static CC=gcc CXX=g++
+        cd ../$X264
+        LDFLAGS="-Wl,-z,relro" ./configure --prefix=$INSTALL_PATH --enable-pic --enable-static --disable-shared --disable-opencl  --disable-cli --enable-asm --host=aarch64-linux --extra-cflags="$CFLAGS -fno-aggressive-loop-optimizations"
+        make -j $MAKEJ V=0
+        make install
+        cd ../x265-$X265
+        $CMAKE -DENABLE_ASSEMBLY=OFF -DENABLE_CLI=OFF -DENABLE_SHARED=OFF -DENABLE_LIBNUMA=OFF -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_VERSION=1 -DCMAKE_SYSTEM_PROCESSOR=armv8 -DCMAKE_CXX_FLAGS="$CXXFLAGS" -DCMAKE_C_FLAGS="$CFLAGS" -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=.. source
+        make -j $MAKEJ
+        make install
+        cd ../libvpx-$VPX_VERSION
+        patch -Np1 < ../../../disable_vp8_loop_filter_simple_neon.patch
+        ./configure --prefix=$INSTALL_PATH --enable-static --enable-pic --disable-examples --disable-unit-tests
+        make -j $MAKEJ
+        make install
+        cd ../alsa-lib-$ALSA_VERSION/
+        ./configure --host=aarch64-linux --prefix=$INSTALL_PATH --disable-python
+        make -j $MAKEJ V=0
+        make install
+        cd ../freetype-$FREETYPE_VERSION
+        ./configure --prefix=$INSTALL_PATH --with-bzip2=no --with-harfbuzz=no --with-png=no --enable-static --disable-shared --with-pic --host=aarch64-linux
+        make -j $MAKEJ
+        make install
+        cd ../ffmpeg-$FFMPEG_VERSION
+        patch -Np1 < ../../../ffmpeg-linux.patch
+        LD_LIBRARY_PATH=../lib/ CC="gcc" CXX="g++" PKG_CONFIG_PATH=../lib/pkgconfig/ ./configure  --prefix=.. $DISABLE $ENABLE --extra-cflags="$CFLAGS -fno-aggressive-loop-optimizations" --enable-pthreads --extra-cflags="-I../include/" --extra-ldflags="-Wl,-z,relro -L../lib/" --extra-ldexeflags="-static" --pkg-config-flags="--static" --pkg-config="pkg-config --static"  --extra-libs="-lstdc++ -ldl"
+        make -j $MAKEJ
+        make install
+        ;;
+
+
     linux-ppc64le)
         MACHINE_TYPE=$( uname -m )
         cd $ZLIB

ffmpeg/disable_vp8_loop_filter_simple_neon.patch

@@ -0,0 +1,41 @@
+diff --git a/vp8/common/rtcd_defs.pl b/vp8/common/rtcd_defs.pl
+index bc5e05799..961b002e9 100644
+--- a/vp8/common/rtcd_defs.pl
++++ b/vp8/common/rtcd_defs.pl
+@@ -50,10 +50,9 @@ specialize qw/vp8_loop_filter_bh sse2 neon dspr2 msa/;
+
+
+ add_proto qw/void vp8_loop_filter_simple_mbv/, "unsigned char *y, int ystride, const unsigned char *blimit";
+-specialize qw/vp8_loop_filter_simple_mbv sse2 neon msa/;
++specialize qw/vp8_loop_filter_simple_mbv sse2 msa/;
+ $vp8_loop_filter_simple_mbv_c=vp8_loop_filter_simple_vertical_edge_c;
+ $vp8_loop_filter_simple_mbv_sse2=vp8_loop_filter_simple_vertical_edge_sse2;
+-$vp8_loop_filter_simple_mbv_neon=vp8_loop_filter_mbvs_neon;
+ $vp8_loop_filter_simple_mbv_msa=vp8_loop_filter_simple_vertical_edge_msa;
+
+ add_proto qw/void vp8_loop_filter_simple_mbh/, "unsigned char *y, int ystride, const unsigned char *blimit";
+@@ -64,10 +63,9 @@ $vp8_loop_filter_simple_mbh_neon=vp8_loop_filter_mbhs_neon;
+ $vp8_loop_filter_simple_mbh_msa=vp8_loop_filter_simple_horizontal_edge_msa;
+
+ add_proto qw/void vp8_loop_filter_simple_bv/, "unsigned char *y, int ystride, const unsigned char *blimit";
+-specialize qw/vp8_loop_filter_simple_bv sse2 neon msa/;
++specialize qw/vp8_loop_filter_simple_bv sse2 msa/;
+ $vp8_loop_filter_simple_bv_c=vp8_loop_filter_bvs_c;
+ $vp8_loop_filter_simple_bv_sse2=vp8_loop_filter_bvs_sse2;
+-$vp8_loop_filter_simple_bv_neon=vp8_loop_filter_bvs_neon;
+ $vp8_loop_filter_simple_bv_msa=vp8_loop_filter_bvs_msa;
+
+ add_proto qw/void vp8_loop_filter_simple_bh/, "unsigned char *y, int ystride, const unsigned char *blimit";
+diff --git a/vp8/vp8_common.mk b/vp8/vp8_common.mk
+index 137f5bb62..b22bcdb3a 100644
+--- a/vp8/vp8_common.mk
++++ b/vp8/vp8_common.mk
+@@ -133,7 +133,7 @@ VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/idct_dequant_full_2x_neon.c
+ VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/iwalsh_neon.c
+ VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/vp8_loopfilter_neon.c
+ VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/loopfiltersimplehorizontaledge_neon.c
+-VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/loopfiltersimpleverticaledge_neon.c
++#VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/loopfiltersimpleverticaledge_neon.c
+ VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/mbloopfilter_neon.c
+ VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/shortidct4x4llm_neon.c
+ VP8_COMMON_SRCS-$(HAVE_NEON)  += common/arm/neon/sixtappredict_neon.c