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ffmpeg-android-build/scripts/parse-arguments.sh

116 lines
3.4 KiB

5 years ago
#!/usr/bin/env bash
# This script parses arguments that were passed to ffmpeg-android-maker.sh
# and exports a bunch of varables that are used elsewhere.
# Local variables with default values (except ABIS_TO_BUILD).
# Can be overridden with specific arguments.
# See the end of this file for more description.
ABIS_TO_BUILD=()
API_LEVEL=16
SOURCE_TYPE=TAR
SOURCE_VALUE=4.2.2
BINUTILS=gnu
EXTERNAL_LIBRARIES=()
for argument in "$@"; do
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case $argument in
# Build for only specified ABIs (separated by comma)
--target-abis=*|-abis=*)
IFS=',' read -ra ABIS <<< "${argument#*=}"
for abi in "${ABIS[@]}"; do
case $abi in
x86|x86_64|armeabi-v7a|arm64-v8a)
ABIS_TO_BUILD+=( "$abi" )
;;
arm)
ABIS_TO_BUILD+=( "armeabi-v7a" )
;;
arm64)
ABIS_TO_BUILD+=( "arm64-v8a" )
;;
*)
echo "Unknown ABI: $abi"
;;
esac
done
;;
# Use this value as Android platform version during compilation.
--android-api-level=*|-android=*)
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API_LEVEL="${argument#*=}"
;;
# Checkout the particular tag in the FFmpeg's git repository
--source-git-tag=*)
SOURCE_TYPE=GIT_TAG
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SOURCE_VALUE="${argument#*=}"
;;
# Checkout the particular branch in the FFmpeg's git repository
--source-git-branch=*)
SOURCE_TYPE=GIT_BRANCH
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SOURCE_VALUE="${argument#*=}"
;;
# Download the particular tar archive by its version
--source-tar=*)
SOURCE_TYPE=TAR
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SOURCE_VALUE="${argument#*=}"
;;
# Which binutils to use (gnu or llvm)
--binutils=*|-binutils=*)
binutils_value="${argument#*=}"
case $binutils_value in
gnu|llvm)
BINUTILS=$binutils_value
;;
*)
echo "Unknown binutils: $binutils_value"
;;
esac
;;
# Arguments below enable certain external libraries to build into FFmpeg
--enable-libaom|-aom)
EXTERNAL_LIBRARIES+=( "libaom" )
;;
--enable-libdav1d|-dav1d)
EXTERNAL_LIBRARIES+=( "libdav1d" )
;;
--enable-libmp3lame|-mp3lame|-lame)
EXTERNAL_LIBRARIES+=( "libmp3lame" )
;;
--enable-libopus|-opus)
EXTERNAL_LIBRARIES+=( "libopus" )
;;
--enable-libwavpack|-wavpack)
EXTERNAL_LIBRARIES+=( "libwavpack" )
;;
--enable-libtwolame|-twolame)
EXTERNAL_LIBRARIES+=( "libtwolame" )
;;
*)
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echo "Unknown argument $argument"
;;
esac
shift
done
# if ABIS_TO_BUILD list is empty, then fill it with all supported ABIs
# The x86 is the first, because it is more likely to have Text Relocations.
# In this case the rest ABIs will not be assembled at all.
if [ ${#ABIS_TO_BUILD[@]} -eq 0 ]; then
ABIS_TO_BUILD=( "x86" "x86_64" "armeabi-v7a" "arm64-v8a" )
fi
# The FFmpeg will be build for ABIs in this list
export FFMPEG_ABIS_TO_BUILD=${ABIS_TO_BUILD[@]}
# Saving the information FFmpeg's source code downloading
export FFMPEG_SOURCE_TYPE=$SOURCE_TYPE
export FFMPEG_SOURCE_VALUE=$SOURCE_VALUE
# A list of external libraries to build into the FFmpeg
# Elements from this list are used for strings substitution
export FFMPEG_EXTERNAL_LIBRARIES=${EXTERNAL_LIBRARIES[@]}
# Desired Android API level to use during compilation
# Will be replaced with 21 for 64bit ABIs if the value is less than 21
export DESIRED_ANDROID_API_LEVEL=${API_LEVEL}
export DESIRED_BINUTILS=${BINUTILS}