Javernaut
5 years ago
parent
15c24ace5a
commit
48e4e77450
@ -1,124 +0,0 @@ |
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# Defining essential directories |
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|
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# The root of the project |
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export BASE_DIR="$( cd "$( dirname "$0" )" && pwd )" |
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# Directory that contains source code for FFmpeg and its dependencies |
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# Each library has its own subdirectory |
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# Multiple versions of the same library can be stored inside librarie's directory |
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export SOURCES_DIR=${BASE_DIR}/sources |
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# Directory to place some statistics about the build. |
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# Currently - the info about Text Relocations |
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export STATS_DIR=${BASE_DIR}/stats |
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# Directory that contains helper scripts and |
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# scripts to download and build FFmpeg and each dependency separated by subdirectories |
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export SCRIPTS_DIR=${BASE_DIR}/scripts |
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# The directory to use by Android project |
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# All FFmpeg's libraries and headers are copied there |
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export OUTPUT_DIR=${BASE_DIR}/output |
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|
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# Directory to use as a place to build/install FFmpeg and its dependencies |
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BUILD_DIR=${BASE_DIR}/build |
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# Separate directory to build FFmpeg to |
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export BUILD_DIR_FFMPEG=$BUILD_DIR/ffmpeg |
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# All external libraries are installed to a single root |
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# to make easier referencing them when FFmpeg is being built. |
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export BUILD_DIR_EXTERNAL=$BUILD_DIR/external |
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|
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# Function that copies *.so files and headers of the current ANDROID_ABI |
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# to the proper place inside OUTPUT_DIR |
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function prepareOutput() { |
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OUTPUT_LIB=${OUTPUT_DIR}/lib/${ANDROID_ABI} |
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mkdir -p ${OUTPUT_LIB} |
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cp ${BUILD_DIR_FFMPEG}/${ANDROID_ABI}/lib/*.so ${OUTPUT_LIB} |
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OUTPUT_HEADERS=${OUTPUT_DIR}/include/${ANDROID_ABI} |
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mkdir -p ${OUTPUT_HEADERS} |
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cp -r ${BUILD_DIR_FFMPEG}/${ANDROID_ABI}/include/* ${OUTPUT_HEADERS} |
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} |
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|
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# Saving stats about text relocation presence. |
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# If the result file doesn't have 'TEXTREL' at all, then we are good. |
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# Otherwise the whole script is interrupted |
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function checkTextRelocations() { |
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TEXT_REL_STATS_FILE=${STATS_DIR}/text-relocations.txt |
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${CROSS_PREFIX}readelf --dynamic ${BUILD_DIR_FFMPEG}/${ANDROID_ABI}/lib/*.so | grep 'TEXTREL\|File' >> ${TEXT_REL_STATS_FILE} |
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if grep -q TEXTREL ${TEXT_REL_STATS_FILE}; then |
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echo "There are text relocations in output files:" |
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cat ${TEXT_REL_STATS_FILE} |
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exit 1 |
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fi |
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} |
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|
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# Actual work of the script |
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|
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# Clearing previously created binaries |
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rm -rf ${BUILD_DIR} |
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rm -rf ${STATS_DIR} |
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rm -rf ${OUTPUT_DIR} |
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mkdir -p ${STATS_DIR} |
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mkdir -p ${OUTPUT_DIR} |
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|
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# Exporting more necessary variabls |
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source ${SCRIPTS_DIR}/export-host-variables.sh |
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source ${SCRIPTS_DIR}/parse-arguments.sh |
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|
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# Treating FFmpeg as just a module to build after its dependencies |
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COMPONENTS_TO_BUILD=${EXTERNAL_LIBRARIES[@]} |
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COMPONENTS_TO_BUILD+=( "ffmpeg" ) |
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|
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# Get the source code of component to build |
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for COMPONENT in ${COMPONENTS_TO_BUILD[@]} |
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do |
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echo "Getting source code of the component: ${COMPONENT}" |
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SOURCE_DIR_FOR_COMPONENT=${SOURCES_DIR}/${COMPONENT} |
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|
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mkdir -p ${SOURCE_DIR_FOR_COMPONENT} |
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cd ${SOURCE_DIR_FOR_COMPONENT} |
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|
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# Executing the component-specific script for downloading the source code |
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source ${SCRIPTS_DIR}/${COMPONENT}/download.sh |
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# The download.sh script has to export SOURCES_DIR_$COMPONENT variable |
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# with actual path of the source code. This is done for possiblity to switch |
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# between different verions of a component. |
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# If it isn't set, consider SOURCE_DIR_FOR_COMPONENT as the proper value |
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COMPONENT_SOURCES_DIR_VARIABLE=SOURCES_DIR_${COMPONENT} |
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if [[ -z "${!COMPONENT_SOURCES_DIR_VARIABLE}" ]]; then |
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export SOURCES_DIR_${COMPONENT}=${SOURCE_DIR_FOR_COMPONENT} |
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fi |
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|
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# Returning to the rood directory. Just in case. |
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cd ${BASE_DIR} |
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done |
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# ABIs to build FFmpeg for. |
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# x86 is the first, because it is likely to have Text Relocations. |
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# In this case the rest ABIs will not be assembled at all. |
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# ABIS_TO_BUILD=( "x86" "x86_64" "armeabi-v7a" "arm64-v8a" ) |
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ABIS_TO_BUILD=("armeabi-v7a") |
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for ABI in ${ABIS_TO_BUILD[@]} |
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do |
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# Exporting variables for the current ABI |
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source ${SCRIPTS_DIR}/export-build-variables.sh ${ABI} |
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for COMPONENT in ${COMPONENTS_TO_BUILD[@]} |
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do |
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echo "Building the component: ${COMPONENT}" |
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COMPONENT_SOURCES_DIR_VARIABLE=SOURCES_DIR_${COMPONENT} |
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# Going to the actual source code directory of the current component |
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cd ${!COMPONENT_SOURCES_DIR_VARIABLE} |
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# and executing the component-specific build script |
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${SCRIPTS_DIR}/${COMPONENT}/build.sh |
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# Returning to the root directory. Just in case. |
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cd ${BASE_DIR} |
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done |
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checkTextRelocations |
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prepareOutput |
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done |
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@ -1,249 +1,126 @@ |
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#!/usr/bin/env bash |
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FFMPEG_FALLBACK_VERSION=4.2.1 |
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# Defining a toolchain directory's name according to the current OS. |
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# Assume that proper version of NDK is installed. |
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case "$OSTYPE" in |
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darwin*) HOST_TAG="darwin-x86_64" ;; |
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linux*) HOST_TAG="linux-x86_64" ;; |
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msys) |
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case "$(uname -m)" in |
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x86_64) HOST_TAG="windows-x86_64" ;; |
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i686) HOST_TAG="windows" ;; |
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esac |
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;; |
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esac |
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|
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if [[ $OSTYPE == "darwin"* ]]; then |
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NPROC=$(sysctl -n hw.physicalcpu) |
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else |
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NPROC=$(nproc) |
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fi |
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# Directories used by the script |
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BASE_DIR="$( cd "$( dirname "$0" )" && pwd )" |
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SOURCES_DIR=${BASE_DIR}/sources |
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OUTPUT_DIR=${BASE_DIR}/output |
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# Defining essential directories |
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|
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# The root of the project |
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export BASE_DIR="$( cd "$( dirname "$0" )" && pwd )" |
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# Directory that contains source code for FFmpeg and its dependencies |
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# Each library has its own subdirectory |
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# Multiple versions of the same library can be stored inside librarie's directory |
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export SOURCES_DIR=${BASE_DIR}/sources |
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# Directory to place some statistics about the build. |
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# Currently - the info about Text Relocations |
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export STATS_DIR=${BASE_DIR}/stats |
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# Directory that contains helper scripts and |
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# scripts to download and build FFmpeg and each dependency separated by subdirectories |
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export SCRIPTS_DIR=${BASE_DIR}/scripts |
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# The directory to use by Android project |
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# All FFmpeg's libraries and headers are copied there |
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export OUTPUT_DIR=${BASE_DIR}/output |
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|
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# Directory to use as a place to build/install FFmpeg and its dependencies |
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BUILD_DIR=${BASE_DIR}/build |
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STATS_DIR=${BASE_DIR}/stats |
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# No incremental compilation here. Just drop what was built previously |
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rm -rf ${BUILD_DIR} |
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rm -rf ${STATS_DIR} |
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rm -rf ${OUTPUT_DIR} |
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mkdir -p ${STATS_DIR} |
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mkdir -p ${OUTPUT_DIR} |
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# Note: the 'source' folder wasn't actually deleted, just ensure it exists |
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mkdir -p ${SOURCES_DIR} |
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# Utility function |
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# Getting sources of a particular ffmpeg release. |
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# Same argument (ffmpeg version) produces the same source set. |
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function ensureSourcesTag() { |
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FFMPEG_VERSION=$1 |
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FFMPEG_SOURCES=${SOURCES_DIR}/ffmpeg-${FFMPEG_VERSION} |
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if [[ ! -d "$FFMPEG_SOURCES" ]]; then |
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TARGET_FILE_NAME=ffmpeg-${FFMPEG_VERSION}.tar.bz2 |
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TARGET_FILE_PATH=${SOURCES_DIR}/${TARGET_FILE_NAME} |
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curl https://www.ffmpeg.org/releases/${TARGET_FILE_NAME} --output ${TARGET_FILE_PATH} |
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tar xvjf ${TARGET_FILE_PATH} -C ${SOURCES_DIR} |
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rm ${TARGET_FILE_PATH} |
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fi |
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} |
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# Utility function |
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# Getting sources of a particular branch of ffmpeg's git repository. |
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# Same argument (branch name) may produce different source set, |
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# as the branch in origin repository may be updated in future. |
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function ensureSourcesBranch() { |
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BRANCH=$1 |
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GIT_DIRECTORY=ffmpeg-git |
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FFMPEG_SOURCES=${SOURCES_DIR}/${GIT_DIRECTORY} |
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cd ${SOURCES_DIR} |
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if [[ ! -d "$FFMPEG_SOURCES" ]]; then |
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git clone https://git.ffmpeg.org/ffmpeg.git ${GIT_DIRECTORY} |
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fi |
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cd ${GIT_DIRECTORY} |
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git checkout $BRANCH |
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# Forcing the update of a branch |
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git pull origin $BRANCH |
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# Additional logging to keep track of an exact commit to build |
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echo "Commit to build:" |
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git rev-parse HEAD |
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cd ${BASE_DIR} |
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# Separate directory to build FFmpeg to |
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export BUILD_DIR_FFMPEG=$BUILD_DIR/ffmpeg |
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# All external libraries are installed to a single root |
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# to make easier referencing them when FFmpeg is being built. |
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export BUILD_DIR_EXTERNAL=$BUILD_DIR/external |
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# Forcing FFmpeg and its dependencies to look for dependencies |
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# in a specific directory when pkg-config is used |
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export PKG_CONFIG_LIBDIR=${BUILD_DIR_EXTERNAL}/lib/pkgconfig |
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# Function that copies *.so files and headers of the current ANDROID_ABI |
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# to the proper place inside OUTPUT_DIR |
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function prepareOutput() { |
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OUTPUT_LIB=${OUTPUT_DIR}/lib/${ANDROID_ABI} |
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mkdir -p ${OUTPUT_LIB} |
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cp ${BUILD_DIR_FFMPEG}/${ANDROID_ABI}/lib/*.so ${OUTPUT_LIB} |
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OUTPUT_HEADERS=${OUTPUT_DIR}/include/${ANDROID_ABI} |
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mkdir -p ${OUTPUT_HEADERS} |
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cp -r ${BUILD_DIR_FFMPEG}/${ANDROID_ABI}/include/* ${OUTPUT_HEADERS} |
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} |
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# Utility function |
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# Test if sources of the FFmpeg exist. If not - download them |
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function ensureSources() { |
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TYPE=$1 |
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SECOND_ARGUMENT=$2 |
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case $TYPE in |
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tag) |
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echo "Using FFmpeg ${SECOND_ARGUMENT}" |
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ensureSourcesTag ${SECOND_ARGUMENT} |
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;; |
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branch) |
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echo "Using FFmpeg git repository and its branch ${SECOND_ARGUMENT}" |
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ensureSourcesBranch ${SECOND_ARGUMENT} |
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;; |
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*) |
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echo "Using FFmpeg ${FFMPEG_FALLBACK_VERSION}" |
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ensureSourcesTag ${FFMPEG_FALLBACK_VERSION} |
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;; |
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esac |
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} |
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# Actual magic of configuring and compiling of FFmpeg for a certain ABIs. |
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# Supported ABIs are: armeabi-v7a, arm64-v8a, x86 and x86_64 |
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function assemble() { |
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cd ${FFMPEG_SOURCES} |
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ABI=$1 |
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API_LEVEL=$2 |
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TOOLCHAIN_PATH=${ANDROID_NDK_HOME}/toolchains/llvm/prebuilt/${HOST_TAG} |
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SYSROOT=${TOOLCHAIN_PATH}/sysroot |
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TARGET_TRIPLE_MACHINE_BINUTILS= |
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TARGET_TRIPLE_MACHINE_CC= |
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TARGET_TRIPLE_OS="android" |
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case $ABI in |
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armeabi-v7a) |
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#cc armv7a-linux-androideabi16-clang |
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#binutils arm -linux-androideabi -ld |
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TARGET_TRIPLE_MACHINE_BINUTILS=arm |
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TARGET_TRIPLE_MACHINE_CC=armv7a |
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TARGET_TRIPLE_OS=androideabi |
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EXTRA_BUILD_CONFIGURATION_FLAGS=--enable-thumb |
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;; |
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arm64-v8a) |
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#cc aarch64-linux-android21-clang |
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#binutils aarch64-linux-android -ld |
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TARGET_TRIPLE_MACHINE_BINUTILS=aarch64 |
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;; |
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x86) |
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#cc i686-linux-android16-clang |
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#binutils i686-linux-android -ld |
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TARGET_TRIPLE_MACHINE_BINUTILS=i686 |
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# Disabling assembler optimizations, because they have text relocations |
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EXTRA_BUILD_CONFIGURATION_FLAGS=--disable-asm |
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;; |
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x86_64) |
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#cc x86_64-linux-android21-clang |
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#binutils x86_64-linux-android -ld |
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TARGET_TRIPLE_MACHINE_BINUTILS=x86_64 |
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EXTRA_BUILD_CONFIGURATION_FLAGS=--x86asmexe=${TOOLCHAIN_PATH}/bin/yasm |
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;; |
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esac |
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# If the cc-specific variable isn't set, we fallback to binutils version |
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[ -z "${TARGET_TRIPLE_MACHINE_CC}" ] && TARGET_TRIPLE_MACHINE_CC=${TARGET_TRIPLE_MACHINE_BINUTILS} |
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# Common prefix for ld, as, etc. |
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CROSS_PREFIX=${TOOLCHAIN_PATH}/bin/${TARGET_TRIPLE_MACHINE_BINUTILS}-linux-${TARGET_TRIPLE_OS}- |
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# The name for compiler is slightly different, so it is defined separatly. |
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CC=${TOOLCHAIN_PATH}/bin/${TARGET_TRIPLE_MACHINE_CC}-linux-${TARGET_TRIPLE_OS}${API_LEVEL}-clang |
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# Everything that goes below ${EXTRA_BUILD_CONFIGURATION_FLAGS} is my project-specific. |
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# You are free to enable/disable whatever you actually need. |
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./configure \ |
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--prefix=${BUILD_DIR}/${ABI} \ |
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--enable-cross-compile \ |
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--target-os=android \ |
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--arch=${TARGET_TRIPLE_MACHINE_BINUTILS} \ |
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--sysroot=${SYSROOT} \ |
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--cross-prefix=${CROSS_PREFIX} \ |
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--cc=${CC} \ |
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--extra-cflags="-O3 -fPIC" \ |
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--enable-shared \ |
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--disable-static \ |
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${EXTRA_BUILD_CONFIGURATION_FLAGS} \ |
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--disable-runtime-cpudetect \ |
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--disable-programs \ |
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--disable-muxers \ |
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--disable-encoders \ |
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--disable-avdevice \ |
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--disable-postproc \ |
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--disable-swresample \ |
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--disable-avfilter \ |
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--disable-doc \ |
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--disable-debug \ |
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--disable-pthreads \ |
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--disable-network \ |
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--disable-bsfs |
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make clean |
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make -j${NPROC} |
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make install |
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# Saving stats about text relocation presence. |
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# If the result file doesn't have 'TEXTREL' at all, then we are good. |
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# Saving stats about text relocation presence. |
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# If the result file doesn't have 'TEXTREL' at all, then we are good. |
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# Otherwise the whole script is interrupted |
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function checkTextRelocations() { |
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TEXT_REL_STATS_FILE=${STATS_DIR}/text-relocations.txt |
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${CROSS_PREFIX}readelf --dynamic ${BUILD_DIR}/${ABI}/lib/*.so | grep 'TEXTREL\|File' >> ${TEXT_REL_STATS_FILE} |
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${READELF} --dynamic ${BUILD_DIR_FFMPEG}/${ANDROID_ABI}/lib/*.so | grep 'TEXTREL\|File' >> ${TEXT_REL_STATS_FILE} |
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if grep -q TEXTREL ${TEXT_REL_STATS_FILE}; then |
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echo "There are text relocations in output files:" |
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cat ${TEXT_REL_STATS_FILE} |
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exit 1 |
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fi |
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cd ${BASE_DIR} |
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} |
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|
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# Placing build *.so files into the /bin directory |
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function installLibs() { |
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BUILD_SUBDIR=$1 |
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# Actual work of the script |
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|
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# Clearing previously created binaries |
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rm -rf ${BUILD_DIR} |
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rm -rf ${STATS_DIR} |
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rm -rf ${OUTPUT_DIR} |
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mkdir -p ${STATS_DIR} |
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mkdir -p ${OUTPUT_DIR} |
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|
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# Exporting more necessary variabls |
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source ${SCRIPTS_DIR}/export-host-variables.sh |
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source ${SCRIPTS_DIR}/parse-arguments.sh |
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|
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# Treating FFmpeg as just a module to build after its dependencies |
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COMPONENTS_TO_BUILD=${EXTERNAL_LIBRARIES[@]} |
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COMPONENTS_TO_BUILD+=( "ffmpeg" ) |
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|
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# Get the source code of component to build |
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for COMPONENT in ${COMPONENTS_TO_BUILD[@]} |
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do |
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echo "Getting source code of the component: ${COMPONENT}" |
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SOURCE_DIR_FOR_COMPONENT=${SOURCES_DIR}/${COMPONENT} |
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|
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mkdir -p ${SOURCE_DIR_FOR_COMPONENT} |
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cd ${SOURCE_DIR_FOR_COMPONENT} |
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|
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# Executing the component-specific script for downloading the source code |
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source ${SCRIPTS_DIR}/${COMPONENT}/download.sh |
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|
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# The download.sh script has to export SOURCES_DIR_$COMPONENT variable |
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# with actual path of the source code. This is done for possiblity to switch |
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# between different verions of a component. |
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# If it isn't set, consider SOURCE_DIR_FOR_COMPONENT as the proper value |
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COMPONENT_SOURCES_DIR_VARIABLE=SOURCES_DIR_${COMPONENT} |
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if [[ -z "${!COMPONENT_SOURCES_DIR_VARIABLE}" ]]; then |
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export SOURCES_DIR_${COMPONENT}=${SOURCE_DIR_FOR_COMPONENT} |
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fi |
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|
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OUTPUT_SUBDIR=${OUTPUT_DIR}/lib/${BUILD_SUBDIR} |
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CP_DIR=${BUILD_DIR}/${BUILD_SUBDIR} |
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# Returning to the rood directory. Just in case. |
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cd ${BASE_DIR} |
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done |
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|
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mkdir -p ${OUTPUT_SUBDIR} |
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cp ${CP_DIR}/lib/*.so ${OUTPUT_SUBDIR} |
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} |
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# ABIs to build FFmpeg for. |
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# x86 is the first, because it is likely to have Text Relocations. |
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# In this case the rest ABIs will not be assembled at all. |
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ABIS_TO_BUILD=( "x86" "x86_64" "armeabi-v7a" "arm64-v8a" ) |
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|
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function build() { |
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ABI=$1 |
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ANDROID_API=$2 |
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for ABI in ${ABIS_TO_BUILD[@]} |
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do |
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# Exporting variables for the current ABI |
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source ${SCRIPTS_DIR}/export-build-variables.sh ${ABI} |
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|
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assemble ${ABI} ${ANDROID_API} |
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installLibs ${ABI} |
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} |
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for COMPONENT in ${COMPONENTS_TO_BUILD[@]} |
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do |
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echo "Building the component: ${COMPONENT}" |
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COMPONENT_SOURCES_DIR_VARIABLE=SOURCES_DIR_${COMPONENT} |
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|
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# Placing build header files into the /bin directory. |
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# Note, there is a only one such a folder since this headers are the same for all ABIs. |
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# May not be true for different configurations though. |
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function installHeaders() { |
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cd ${BUILD_DIR} |
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cd "$(ls -1 | head -n1)" |
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cp -r include ${OUTPUT_DIR} |
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cd ${BASE_DIR} |
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} |
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# Going to the actual source code directory of the current component |
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cd ${!COMPONENT_SOURCES_DIR_VARIABLE} |
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|
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# Actual work |
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# and executing the component-specific build script |
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${SCRIPTS_DIR}/${COMPONENT}/build.sh |
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|
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ensureSources $1 $2 |
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# Returning to the root directory. Just in case. |
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cd ${BASE_DIR} |
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done |
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build armeabi-v7a 16 |
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build arm64-v8a 21 |
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build x86 16 |
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build x86_64 21 |
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checkTextRelocations |
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|
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installHeaders |
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prepareOutput |
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done |
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|
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Loading…
Reference in new issue