Build gstreamer and plugins from the git repositories specifying the branch

gstreamer_build.sh

#!/bin/sh -ex

mkdir -p sysroot
PREFIX_DIR=$(readlink -e sysroot)
mkdir -p $PREFIX_DIR/include
INCLUDE_DIR=$(readlink -e $PREFIX_DIR/include/)
mkdir -p $PREFIX_DIR/lib
LIB_DIR=$(readlink -e  $PREFIX_DIR/lib/)
mkdir -p $LIB_DIR/pkgconfig
PKG_CONFIG_PATH=$(readlink -e $LIB_DIR/pkgconfig/)
mkdir -p manifest
MF_DIR=$(readlink -e manifest)
mkdir -p $PREFIX_DIR/bin
BIN_DIR=$(readlink -e $PREFIX_DIR/bin/)

mkdir -p $PREFIX_DIR/share
DATA_DIR=$(readlink -e $PREFIX_DIR/share/)

mkdir -p $PREFIX_DIR/etc
CONFIG_DIR=$(readlink -e $PREFIX_DIR/etc/)


mkdir -p src
SOURCE_DIR=$(readlink -e src)

mkdir -p build
BUILD_DIR=$(readlink -e build)

COMMON_ARGS="--prefix=${PREFIX_DIR} --enable-shared --disable-static --host=x86_64-linux-gnu"
MAKE="make -j16"

modules="\
        gstreamer \
        gst_plugins_base \
        gst_libav \
        gst_plugins_good \
        gst_plugins_bad"


export PKG_CONFIG_PATH

CFLAGS="-O0 -g -pthread"
LD=gold
export CFLAGS
export LD

# run autotools configure out of tree
prep() {
    local S
    local B

    S=$1
    B=$2

    cd $S
    libtoolize
    if [ ! -e configure ]; then
        if [ -e bootstrap.sh ]; then
            ./bootstrap.sh
        else
            NOCONFIGURE=1 ./autogen.sh
        fi
    fi

    mkdir -p $B
    cd ${B}
    echo ${EXTRA_CONFIGURE_ARGS}
    ${S}/configure ${COMMON_ARGS} ${EXTRA_CONFIGURE_ARGS}
    EXTRA_CONFIGURE_ARGS=""
}

build_git_autoconf_module() {
    local module
    local repo
    local branch
    local S
    local B

    module=$1
    repo=$2
    branch=$3
    S=${SOURCE_DIR}/${module}
    B=${BUILD_DIR}/${module}

    if [ ! -d $S ]; then
        cd ${SOURCE_DIR}
        # Swallow clone
        #git clone --depth 1 ${repo} $S
        git clone ${repo} $S
        (cd $S
        local current_branch

        current_branch=$(git rev-parse --abbrev-ref HEAD)

        if [ $current_branch != $branch ]; then
            git checkout -b $branch origin/$branch
        fi
        # not everybody needs this, but it doesn't hurt
        git submodule init
        git submodule update
        )
    fi
    if [ ! -e $B/Makefile ]; then
        prep $S $B
    fi

    cd $B
    $MAKE
    make install
}


build_gst() {
    build_git_autoconf_module $1 "git://anongit.freedesktop.org/gstreamer/$1" "1.4"
}

gstreamer() {
    build_gst "gstreamer"
}

gst_plugins_base() {
    build_gst "gst-plugins-base"
}

gst_plugins_good() {
    EXTRA_CONFIGURE_ARGS="--enable-soup"
    build_gst "gst-plugins-good"
}

gst_plugins_bad() {
    EXTRA_CONFIGURE_ARGS=" --disable-x11 --disable-sdl --disable-gl --disable-sdltest --disable-examples"
    build_gst "gst-plugins-bad"
}

gst_libav() {
    build_gst "gst-libav"
}

ffmpeg() {
    local oldargs

    oldargs=$COMMON_ARGS

    COMMON_ARGS="--prefix=${PREFIX_DIR}"
    build_git_autoconf_module "ffmpeg" "git://source.ffmpeg.org/ffmpeg.git" "master"
    COMMON_ARGS=$oldargs
}

libsoup() {
    local oldargs

    oldargs=$COMMON_ARGS

    COMMON_ARGS="--prefix=${PREFIX_DIR}"
    EXTRA_CONFIGURE_ARGS="--without-gnome --disable-gtk-doc --disable-glibtest"
    build_git_autoconf_module "libsoup" "git://git.gnome.org/libsoup" "libsoup-2.4"
    COMMON_ARGS=$oldargs
}

help() {
    echo "the automagic gstreamer stack builder"
    echo
    echo "build all: <$0>"
    echo
    echo "build a module: <$0> <module>"
    echo 
    echo "where module is one of:"
    for m in $modules; do
        echo $m
    done
}

check_and_build() {
    local module
    local manifest

    module=$1
    manifest=$MF_DIR/$module

    if [ ! -e $manifest ]; then
        echo building $module
        $module
        touch $manifest
    else
        echo not touching $module
    fi
}


if [ "$#" -eq 0 ]; then
    for m in $modules; do
        echo checking $m
        check_and_build $m
    done
else
    $1
fi