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|
#!/bin/bash
if [[ ! "$_PYAV_ACTIVATED" ]]; then
export here="$(cd "$(dirname "${BASH_SOURCE[0]}")"; pwd)"
source "$here/activate.sh"
fi
cd "$PYAV_ROOT"
# Skip the rest of the build if it already exists.
if [[ -e "$PYAV_LIBRARY_PREFIX/bin/ffmpeg" ]]; then
echo "We have a cached build of ffmpeg-$PYAV_LIBRARY; skipping re-build."
exit 0
fi
mkdir -p "$PYAV_LIBRARY_ROOT"
mkdir -p "$PYAV_LIBRARY_PREFIX"
# Add CUDA support if available
CONFFLAGS_NVIDIA=""
if [[ -e /usr/local/cuda ]]; then
# Get Nvidia headers for ffmpeg
cd $PYAV_LIBRARY_ROOT
if [[ ! -e "$PYAV_LIBRARY_ROOT/nv-codec-headers" ]]; then
git clone https://github.com/FFmpeg/nv-codec-headers.git
cd nv-codec-headers
make -j4
make PREFIX="$PYAV_LIBRARY_PREFIX" install
fi
PKG_CONFIG_PATH="/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH"
CONFFLAGS_NVIDIA="--enable-cuda \
--enable-cuvid \
--enable-nvenc \
--enable-nonfree \
--enable-libnpp \
--extra-cflags=-I/usr/local/cuda/include \
--extra-ldflags=-L/usr/local/cuda/lib64"
else
echo "WARNING: Did not find cuda libraries in /usr/local/cuda..."
echo " Building without NVIDIA NVENC/NVDEC support"
fi
cd "$PYAV_LIBRARY_ROOT"
# Download and expand the source.
if [[ ! -d $PYAV_LIBRARY ]]; then
url="https://ffmpeg.org/releases/$PYAV_LIBRARY.tar.gz"
echo Downloading $url
wget --no-check-certificate "$url" || exit 1
tar -xzf $PYAV_LIBRARY.tar.gz
rm $PYAV_LIBRARY.tar.gz
echo
fi
cd $PYAV_LIBRARY
echo ./configure
./configure \
--disable-doc \
--disable-static \
--disable-stripping \
--enable-debug=3 \
--enable-gpl \
--enable-version3 \
--enable-libx264 \
--enable-libxml2 \
--enable-shared \
--enable-sse \
--enable-avx \
--enable-avx2 \
$CONFFLAGS_NVIDIA \
--prefix="$PYAV_LIBRARY_PREFIX" \
|| exit 2
echo
echo make
make -j4 || exit 3
echo
echo make install
make install || exit 4
echo
echo Build products:
cd ~
find "$PYAV_LIBRARY_PREFIX" -name '*libav*'
|
