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Update instructions for building with latest libvpx.

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- Fix building with APP_ABI=all by configuring for all architectures.
- Keep vpx_dsp which is required for building successfully.
- Use perl -pi -e not sed, for building on Macs.
This commit is contained in:
Oliver Woodman 2015-09-01 14:24:46 +01:00
parent 7a0f00ce41
commit e6a93a08de
2 changed files with 35 additions and 14 deletions
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7
extensions/vp9/README.md
View File

@ -112,17 +112,20 @@ libvpx is optimized for various architectures (like neon, x86, etc.). The `gener
* armeabi-v7a (choose this to enable neon optimizations)
* mips
* x86
* arm64-v8a
* mips64
* x86_64
* all (will result in a larger binary but will cover all architectures)
You can build for a specific architecture in two ways:
* Method 1 (edit `Application.mk`)
* Edit `${VP9_EXT_PATH}/jni/Application.mk` and add the following line `APP_ABI := <arch>` (where `<arch>` is one of the above 4 architectures)
* Edit `${VP9_EXT_PATH}/jni/Application.mk` and add the following line `APP_ABI := <arch>` (where `<arch>` is one of the above 7 architectures)
* Method 2 (pass NDK build flag)
* Right click on ExoPlayerExt-VP9 in the Project Explorer pane and choose Properties
* Click on C/C++ Build
* Uncheck `Use default build command`
* In `Build Command` enter: `ndk-build APP_ABI=<arch>` (where `<arch>` is one of the above 4 architectures)
* In `Build Command` enter: `ndk-build APP_ABI=<arch>` (where `<arch>` is one of the above 7 architectures)
* Click Apply
## Other Things to Note ##

42
extensions/vp9/src/main/jni/generate_libvpx_android_configs.sh
View File

@ -31,7 +31,7 @@ shift 1
# configuration parameters common to all architectures
common_params="--disable-examples --disable-docs --enable-realtime-only"
common_params+=" --disable-vp8 --disable-vp9-encoder --disable-webm-io"
common_params+=" --disable-libyuv --disable-runtime-cpu-detect"
common_params+=" --disable-vp10 --disable-libyuv --disable-runtime-cpu-detect"
# configuration parameters for various architectures
arch[0]="armeabi-v7a"
@ -40,15 +40,27 @@ config[0]+=" --enable-neon-asm"
arch[1]="armeabi"
config[1]="--target=armv7-android-gcc --sdk-path=$ndk --disable-neon"
config[1]+=" --disable-neon-asm"
config[1]+=" --disable-neon-asm --disable-media"
arch[2]="mips"
config[2]="--force-target=mips32-android-gcc --sdk-path=$ndk"
arch[3]="x86"
config[3]="--force-target=x86-android-gcc --sdk-path=$ndk --disable-sse3"
config[3]+=" --disable-ssse3 --disable-sse4_1 --disable-avx --disable-avx2"
config[3]+=" --enable-pic"
config[3]="--force-target=x86-android-gcc --sdk-path=$ndk --disable-sse2"
config[3]+=" --disable-sse3 --disable-ssse3 --disable-sse4_1 --disable-avx"
config[3]+=" --disable-avx2 --enable-pic"
arch[4]="arm64-v8a"
config[4]="--force-target=armv8-android-gcc --sdk-path=$ndk --disable-neon"
config[4]+=" --disable-neon-asm"
arch[5]="x86_64"
config[5]="--force-target=x86_64-android-gcc --sdk-path=$ndk --disable-sse2"
config[5]+=" --disable-sse3 --disable-ssse3 --disable-sse4_1 --disable-avx"
config[5]+=" --disable-avx2 --enable-pic --disable-neon --disable-neon-asm"
arch[6]="mips64"
config[6]="--force-target=mips64-android-gcc --sdk-path=$ndk"
limit=$((${#arch[@]} - 1))
@ -56,9 +68,10 @@ limit=$((${#arch[@]} - 1))
# everything else will be removed.
allowed_files="libvpx_srcs.txt vpx_config.c vpx_config.h vpx_scale_rtcd.h"
allowed_files+=" vp8_rtcd.h vp9_rtcd.h vpx_version.h vpx_config.asm"
allowed_files+=" vpx_dsp_rtcd.h"
remove_trailing_whitespace() {
sed -i 's/\s\+$//' "$@"
perl -pi -e 's/\s\+$//' "$@"
}
convert_asm() {
@ -66,10 +79,15 @@ convert_asm() {
while read file; do
case "${file}" in
*.asm.s)
asm_file="libvpx/${file%.s}"
cat "${asm_file}" | libvpx/build/make/ads2gas.pl > "libvpx/${file}"
remove_trailing_whitespace "libvpx/${file}"
rm "${asm_file}"
# Some files may already have been processed (there are duplicated
# .asm.s files for vp8 in the armeabi/armeabi-v7a configurations).
file="libvpx/${file}"
if [[ ! -e "${file}" ]]; then
asm_file="${file%.s}"
cat "${asm_file}" | libvpx/build/make/ads2gas.pl > "${file}"
remove_trailing_whitespace "${file}"
rm "${asm_file}"
fi
;;
esac
done < libvpx_android_configs/${arch[${i}]}/libvpx_srcs.txt
@ -80,7 +98,7 @@ extglob_status="$(shopt extglob | cut -f2)"
shopt -s extglob
for i in $(seq 0 ${limit}); do
mkdir -p "libvpx_android_configs/${arch[${i}]}"
cd "libvpx_android_configs/${arch[${i}]}"
pushd "libvpx_android_configs/${arch[${i}]}"
# configure and make
echo "build_android_configs: "
@ -93,7 +111,7 @@ for i in $(seq 0 ${limit}); do
rm -rf !(${allowed_files// /|})
remove_trailing_whitespace *
cd ../..
popd
done
# restore extglob status as it was before