libvpx: add configurations excluding VP9 for ARM Neon and ARM64.

third_party/libvpx/generate_gypi.sh

 #!/bin/bash -e
 #
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This script is used to generate .gypi, .gni files and files in the
 # config/platform directories needed to build libvpx.
 # Every time libvpx source code is updated just run this script.
 #
@@ skipping 442 matching lines @@
 
 find_duplicates
 
 echo "Create temporary directory."
 TEMP_DIR="$LIBVPX_SRC_DIR.temp"
 rm -rf $TEMP_DIR
 cp -R $LIBVPX_SRC_DIR $TEMP_DIR
 cd $TEMP_DIR
 
 echo "Generate config files."
 all_platforms="--enable-external-build --enable-postproc --disable-install-srcs --enable-multi-res-encoding --enable-temporal-denoising --disable-unit-tests --disable-install-docs --disable-examples --enable-vp9-temporal-denoising --enable-vp9-postproc --size-limit=16384x16384 $DISABLE_AVX --as=yasm"

[kjellander_chromium, 2016/05/19 08:48:15]

Do I have to remove '--enable-vp9-temporal-denoising --enable-vp9-postproc' when
I do --disable-vp9 or are they just no-ops?
It'll make the code harder to read if I move them out into a separate variable
etc.

[Johann, 2016/05/24 20:13:39]

you can leave it, it is harmless.

 gen_config_files linux/ia32 "--target=x86-linux-gcc --disable-ccache --enable-pic --enable-realtime-only ${all_platforms}"
 gen_config_files linux/x64 "--target=x86_64-linux-gcc --disable-ccache --enable-pic --enable-realtime-only ${all_platforms}"
 gen_config_files linux/arm "--target=armv6-linux-gcc --enable-pic --enable-realtime-only --disable-install-bins --disable-install-libs --disable-edsp ${all_platforms}"
 gen_config_files linux/arm-neon "--target=armv7-linux-gcc --enable-pic --enable-realtime-only --disable-edsp ${all_platforms}"
+gen_config_files linux/arm-neon-no-vp9 "--target=armv7-linux-gcc --disable-vp9 --enable-pic --enable-realtime-only --disable-edsp ${all_platforms}"
 gen_config_files linux/arm-neon-cpu-detect "--target=armv7-linux-gcc --enable-pic --enable-realtime-only --enable-runtime-cpu-detect --disable-edsp ${all_platforms}"
 gen_config_files linux/arm64 "--force-target=armv8-linux-gcc --enable-pic --enable-realtime-only --disable-edsp ${all_platforms}"
+gen_config_files linux/arm64-no-vp9 "--force-target=armv8-linux-gcc --disable-vp9 --enable-pic --enable-realtime-only --disable-edsp ${all_platforms}"
 gen_config_files linux/mipsel "--target=mips32-linux-gcc ${all_platforms}"
 gen_config_files linux/mips64el "--target=mips64-linux-gcc ${all_platforms}"
 gen_config_files linux/generic "--target=generic-gnu --enable-pic --enable-realtime-only ${all_platforms}"
 gen_config_files win/ia32 "--target=x86-win32-vs12 --enable-realtime-only ${all_platforms}"
 gen_config_files win/x64 "--target=x86_64-win64-vs12 --enable-realtime-only ${all_platforms}"
 gen_config_files mac/ia32 "--target=x86-darwin9-gcc --enable-pic --enable-realtime-only ${all_platforms}"
 gen_config_files mac/x64 "--target=x86_64-darwin9-gcc --enable-pic --enable-realtime-only ${all_platforms}"
 gen_config_files nacl "--target=generic-gnu --enable-pic --enable-realtime-only ${all_platforms}"
 
 echo "Remove temporary directory."
 cd $BASE_DIR
 rm -rf $TEMP_DIR
 
 echo "Lint libvpx configuration."
 lint_config linux/ia32
 lint_config linux/x64
 lint_config linux/arm
 lint_config linux/arm-neon
+lint_config linux/arm-neon-no-vp9
 lint_config linux/arm-neon-cpu-detect
 lint_config linux/arm64
+lint_config linux/arm64-no-vp9
 lint_config linux/mipsel
 lint_config linux/mips64el
 lint_config linux/generic
 lint_config win/ia32
 lint_config win/x64
 lint_config mac/ia32
 lint_config mac/x64
 lint_config nacl
 
 echo "Create temporary directory."
 TEMP_DIR="$LIBVPX_SRC_DIR.temp"
 rm -rf $TEMP_DIR
 cp -R $LIBVPX_SRC_DIR $TEMP_DIR
 cd $TEMP_DIR
 
 gen_rtcd_header linux/ia32 x86
 gen_rtcd_header linux/x64 x86_64
 gen_rtcd_header linux/arm armv6
 gen_rtcd_header linux/arm-neon armv7
+gen_rtcd_header linux/arm-neon-no-vp9 armv7
 gen_rtcd_header linux/arm-neon-cpu-detect armv7
 gen_rtcd_header linux/arm64 armv8
+gen_rtcd_header linux/arm64-no-vp9 armv8
 gen_rtcd_header linux/mipsel mipsel
 gen_rtcd_header linux/mips64el mips64el
 gen_rtcd_header linux/generic generic
 gen_rtcd_header win/ia32 x86
 gen_rtcd_header win/x64 x86_64
 gen_rtcd_header mac/ia32 x86
 gen_rtcd_header mac/x64 x86_64
 gen_rtcd_header nacl nacl
 
 echo "Prepare Makefile."
@@ skipping 25 matching lines @@
   make_clean
   make libvpx_srcs.txt target=libs $config > /dev/null
   convert_srcs_to_project_files libvpx_srcs.txt libvpx_srcs_arm
 
   echo "Generate ARM NEON source list."
   config=$(print_config linux/arm-neon)
   make_clean
   make libvpx_srcs.txt target=libs $config > /dev/null
   convert_srcs_to_project_files libvpx_srcs.txt libvpx_srcs_arm_neon
 
+  echo "Generate ARM NEON source list (VP9 disabled)."
+  config=$(print_config linux/arm-neon-no-vp9)
+  make_clean
+  make libvpx_srcs.txt target=libs $config > /dev/null
+  convert_srcs_to_project_files libvpx_srcs.txt libvpx_srcs_arm_neon_no_vp9
+
   echo "Generate ARM NEON CPU DETECT source list."
   config=$(print_config linux/arm-neon-cpu-detect)
   make_clean
   make libvpx_srcs.txt target=libs $config > /dev/null
   convert_srcs_to_project_files libvpx_srcs.txt libvpx_srcs_arm_neon_cpu_detect
 
   echo "Generate ARM64 source list."
   config=$(print_config linux/arm64)
   make_clean
   make libvpx_srcs.txt target=libs $config > /dev/null
   convert_srcs_to_project_files libvpx_srcs.txt libvpx_srcs_arm64
 
+  echo "Generate ARM64 source list (VP9 disabled)."
+  config=$(print_config linux/arm64-no-vp9)
+  make_clean
+  make libvpx_srcs.txt target=libs $config > /dev/null
+  convert_srcs_to_project_files libvpx_srcs.txt libvpx_srcs_arm64_no_vp9
+
   echo "Generate MIPS source list."
   config=$(print_config_basic linux/mipsel)
   make_clean
   make libvpx_srcs.txt target=libs $config > /dev/null
   convert_srcs_to_project_files libvpx_srcs.txt libvpx_srcs_mips
 
   echo "MIPS64 source list is identical to MIPS source list. No need to generate it."
 
   echo "Generate NaCl source list."
   config=$(print_config_basic nacl)
@@ skipping 16 matching lines @@
 gn format --in-place $BASE_DIR/libvpx_srcs.gni
 
 cd $BASE_DIR/$LIBVPX_SRC_DIR
 echo
 echo "Update README.chromium:"
 git log -1 --format="%cd%nCommit: %H" --date=format:"Date: %A %B %d %Y"
 
 cd $BASE_DIR
 
 # TODO(fgalligan): Can we turn on "--enable-realtime-only" for mipsel?