You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
126 lines
4.2 KiB
126 lines
4.2 KiB
#!/usr/bin/env bash
|
|
|
|
# Defining essential directories
|
|
|
|
export OUTPUT_SO_NAME=libbzffmpeg.so
|
|
|
|
# The root of the project
|
|
export BASE_DIR="$( cd "$( dirname "$0" )" && pwd )"
|
|
# Directory that contains source code for FFmpeg and its dependencies
|
|
# Each library has its own subdirectory
|
|
# Multiple versions of the same library can be stored inside librarie's directory
|
|
export SOURCES_DIR=${BASE_DIR}/sources
|
|
# Directory to place some statistics about the build.
|
|
# Currently - the info about Text Relocations
|
|
export STATS_DIR=${BASE_DIR}/stats
|
|
# Directory that contains helper scripts and
|
|
# scripts to download and build FFmpeg and each dependency separated by subdirectories
|
|
export SCRIPTS_DIR=${BASE_DIR}/scripts
|
|
# The directory to use by Android project
|
|
# All FFmpeg's libraries and headers are copied there
|
|
export OUTPUT_DIR=${BASE_DIR}/output
|
|
|
|
# Check the host machine for proper setup and fail fast otherwise
|
|
${SCRIPTS_DIR}/check-host-machine.sh || exit 1
|
|
|
|
# Directory to use as a place to build/install FFmpeg and its dependencies
|
|
BUILD_DIR=${BASE_DIR}/build
|
|
# Separate directory to build FFmpeg to
|
|
export BUILD_DIR_FFMPEG=$BUILD_DIR/ffmpeg
|
|
# All external libraries are installed to a single root
|
|
# to make easier referencing them when FFmpeg is being built.
|
|
export BUILD_DIR_EXTERNAL=$BUILD_DIR/external
|
|
|
|
# Function that copies *.so files and headers of the current ANDROID_ABI
|
|
# to the proper place inside OUTPUT_DIR
|
|
function prepareOutput() {
|
|
OUTPUT_LIB=${OUTPUT_DIR}/lib/${ANDROID_ABI}
|
|
mkdir -p ${OUTPUT_LIB}
|
|
cp ${BUILD_DIR_FFMPEG}/${ANDROID_ABI}/lib/*.so ${OUTPUT_LIB}
|
|
|
|
OUTPUT_HEADERS=${OUTPUT_DIR}/include/${ANDROID_ABI}
|
|
mkdir -p ${OUTPUT_HEADERS}
|
|
cp -r ${BUILD_DIR_FFMPEG}/${ANDROID_ABI}/include/* ${OUTPUT_HEADERS}
|
|
}
|
|
|
|
# Saving stats about text relocation presence.
|
|
# If the result file doesn't have 'TEXTREL' at all, then we are good.
|
|
# Otherwise the whole script is interrupted
|
|
function checkTextRelocations() {
|
|
TEXT_REL_STATS_FILE=${STATS_DIR}/text-relocations.txt
|
|
${FAM_READELF} --dynamic ${BUILD_DIR_FFMPEG}/${ANDROID_ABI}/lib/*.so | grep 'TEXTREL\|File' >> ${TEXT_REL_STATS_FILE}
|
|
|
|
if grep -q TEXTREL ${TEXT_REL_STATS_FILE}; then
|
|
echo "There are text relocations in output files:"
|
|
cat ${TEXT_REL_STATS_FILE}
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
# Actual work of the script
|
|
|
|
# Clearing previously created binaries
|
|
rm -rf ${BUILD_DIR}
|
|
rm -rf ${STATS_DIR}
|
|
rm -rf ${OUTPUT_DIR}
|
|
mkdir -p ${STATS_DIR}
|
|
mkdir -p ${OUTPUT_DIR}
|
|
|
|
# Exporting more necessary variabls
|
|
source ${SCRIPTS_DIR}/export-host-variables.sh
|
|
source ${SCRIPTS_DIR}/parse-arguments.sh
|
|
|
|
# Treating FFmpeg as just a module to build after its dependencies
|
|
COMPONENTS_TO_BUILD=${EXTERNAL_LIBRARIES[@]}
|
|
COMPONENTS_TO_BUILD+=( "ffmpeg" )
|
|
|
|
# Get the source code of component to build
|
|
for COMPONENT in ${COMPONENTS_TO_BUILD[@]}
|
|
do
|
|
echo "Getting source code of the component: ${COMPONENT}"
|
|
SOURCE_DIR_FOR_COMPONENT=${SOURCES_DIR}/${COMPONENT}
|
|
|
|
mkdir -p ${SOURCE_DIR_FOR_COMPONENT}
|
|
cd ${SOURCE_DIR_FOR_COMPONENT}
|
|
|
|
# Executing the component-specific script for downloading the source code
|
|
source ${SCRIPTS_DIR}/${COMPONENT}/download.sh
|
|
|
|
# The download.sh script has to export SOURCES_DIR_$COMPONENT variable
|
|
# with actual path of the source code. This is done for possiblity to switch
|
|
# between different verions of a component.
|
|
# If it isn't set, consider SOURCE_DIR_FOR_COMPONENT as the proper value
|
|
COMPONENT_SOURCES_DIR_VARIABLE=SOURCES_DIR_${COMPONENT}
|
|
if [[ -z "${!COMPONENT_SOURCES_DIR_VARIABLE}" ]]; then
|
|
export SOURCES_DIR_${COMPONENT}=${SOURCE_DIR_FOR_COMPONENT}
|
|
fi
|
|
|
|
# Returning to the rood directory. Just in case.
|
|
cd ${BASE_DIR}
|
|
done
|
|
|
|
# Main build loop
|
|
for ABI in ${FFMPEG_ABIS_TO_BUILD[@]}
|
|
do
|
|
# Exporting variables for the current ABI
|
|
source ${SCRIPTS_DIR}/export-build-variables.sh ${ABI}
|
|
|
|
for COMPONENT in ${COMPONENTS_TO_BUILD[@]}
|
|
do
|
|
echo "Building the component: ${COMPONENT}"
|
|
COMPONENT_SOURCES_DIR_VARIABLE=SOURCES_DIR_${COMPONENT}
|
|
|
|
# Going to the actual source code directory of the current component
|
|
cd ${!COMPONENT_SOURCES_DIR_VARIABLE}
|
|
|
|
# and executing the component-specific build script
|
|
source ${SCRIPTS_DIR}/${COMPONENT}/build.sh || exit 1
|
|
|
|
# Returning to the root directory. Just in case.
|
|
cd ${BASE_DIR}
|
|
done
|
|
|
|
checkTextRelocations || exit 1
|
|
|
|
prepareOutput
|
|
done
|
|
|