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ffmpeg-android-maker/scripts/ffmpeg/download.sh

71 lines
1.9 KiB

5 years ago
#!/usr/bin/env bash
# Script to download FFmpeg's source code
# Relies on FFMPEG_SOURCE_TYPE and FFMPEG_SOURCE_VALUE variables
# to choose the valid origin and version
# Exports SOURCES_DIR_ffmpeg - path where actual sources are stored
# Getting sources of a particular FFmpeg release.
# Same argument (FFmpeg version) produces the same source set.
function ensureSourcesTar() {
FFMPEG_SOURCES=ffmpeg-${FFMPEG_SOURCE_VALUE}
if [[ ! -d "$FFMPEG_SOURCES" ]]; then
TARGET_FILE_NAME=ffmpeg-${FFMPEG_SOURCE_VALUE}.tar.bz2
curl https://www.ffmpeg.org/releases/${TARGET_FILE_NAME} --output ${TARGET_FILE_NAME}
tar xf ${TARGET_FILE_NAME} -C .
rm ${TARGET_FILE_NAME}
fi
export SOURCES_DIR_ffmpeg=$(pwd)/${FFMPEG_SOURCES}
}
# Getting sources of a particular branch or a tag of FFmpeg's git repository.
# Same branch name may produce different source set,
# as the branch in origin repository may be updated in future.
# Git tags lead to stable states of the source code.
function ensureSourcesGit() {
NAME_TO_CHECKOUT=${FFMPEG_SOURCE_VALUE}
GIT_DIRECTORY=ffmpeg-git
FFMPEG_SOURCES=$(pwd)/${GIT_DIRECTORY}
if [[ ! -d "$FFMPEG_SOURCES" ]]; then
git clone https://git.ffmpeg.org/ffmpeg.git ${GIT_DIRECTORY}
fi
cd ${GIT_DIRECTORY}
git reset --hard
git checkout $NAME_TO_CHECKOUT
if [ ${FFMPEG_SOURCE_TYPE} = "GIT_BRANCH" ]; then
# Forcing the update of a branch
git pull origin $BRANCH
fi
# Additional logging to keep track of an exact commit to build
echo "Commit to build:"
git rev-parse HEAD
export SOURCES_DIR_ffmpeg=${FFMPEG_SOURCES}
}
# Actual code
case ${FFMPEG_SOURCE_TYPE} in
GIT_TAG)
echo "Using FFmpeg git tag: ${FFMPEG_SOURCE_VALUE}"
ensureSourcesGit
;;
GIT_BRANCH)
echo "Using FFmpeg git repository and its branch: ${FFMPEG_SOURCE_VALUE}"
ensureSourcesGit
;;
TAR)
echo "Using FFmpeg source archive: ${FFMPEG_SOURCE_VALUE}"
ensureSourcesTar
;;
esac