From d72c2429bbeb76ab96c755a125aa611fc7036e70 Mon Sep 17 00:00:00 2001
From: Levon Gevorgyan <lgevorgyan03@gmail.com>
Date: Fri, 13 Dec 2024 22:56:17 -0600
Subject: [PATCH] init macos scripts

---
 scripts/analyze.sh       |  2 +-
 scripts/benchmark.sh     |  2 +-
 scripts/build.sh         | 96 +++++++++++++++++++---------------------
 scripts/estimate_fg.sh   |  2 +-
 scripts/full.sh          |  2 +-
 scripts/install_deps.sh  | 74 +++++++++++++++++++------------
 scripts/recc_encode.sh   | 57 ++++++++++++++++--------
 scripts/refresh_build.sh |  2 +-
 8 files changed, 133 insertions(+), 104 deletions(-)

diff --git a/scripts/analyze.sh b/scripts/analyze.sh
index 9866c7e..c6dfedd 100755
--- a/scripts/analyze.sh
+++ b/scripts/analyze.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 BASE_DIR=$(pwd)
 RESULTS="$BASE_DIR/benchmark/results.csv"
diff --git a/scripts/benchmark.sh b/scripts/benchmark.sh
index 207e868..793f1f0 100755
--- a/scripts/benchmark.sh
+++ b/scripts/benchmark.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 has_encoder() {
     CHECK_ENC="$1"
diff --git a/scripts/build.sh b/scripts/build.sh
index a2bf395..a38e956 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 usage() {
      echo "./scripts/build.sh [-h] [-A] [-s] [-o] [-r] [-O n]"
@@ -124,23 +124,23 @@ VPX_DIR="$BASE_DIR/vpx"
 # save options use
 echo "$@" > "$BASE_DIR/.last_opts"
 
+# prefix to install
+PREFIX='/usr/local'
+
 export ARCH=$(uname -m)
-export COMP_FLAGS=""
+export COMP_FLAGS="-I${PREFIX}/include"
 if [[ "$ARCH" == "x86_64" ]]
 then
-  COMP_FLAGS="-march=native"
-elif [[ "$ARCH" == "aarch64" ]]
+  COMP_FLAGS+=" -march=native"
+elif [[ "$ARCH" == "aarch64" || "$ARCH" == "arm64" ]]
 then
-  COMP_FLAGS="-mcpu=native"
+  COMP_FLAGS+=" -mcpu=native"
 fi
-echo "COMP_FLAGS: $COMP_FLAGS"
+echo "COMP_FLAGS: [$COMP_FLAGS]"
 
 # for ccache
 export PATH="/usr/lib/ccache:$PATH"
 
-# prefix to install
-PREFIX='/usr/local'
-
 # options for ffmpeg configure
 FFMPEG_CONFIGURE_OPT=""
 
@@ -153,6 +153,11 @@ git clone --depth "$GIT_DEPTH" https://code.videolan.org/videolan/dav1d.git "$DA
 git clone --depth "$GIT_DEPTH" https://github.com/xiph/opus.git "$OPUS_DIR"
 git clone --depth "$GIT_DEPTH" https://github.com/FFmpeg/FFmpeg "$FFMPEG_DIR"
 
+# check for required local directories
+sudo mkdir ${PREFIX}/bin \
+     ${PREFIX}/lib \
+     ${PREFIX}/include
+
 # rockchip ffmpeg libs
 # IS_ROCKCHIP=$(uname -r | grep "rockchip" > /dev/null && echo "yes" || echo "no")
 if [[ "$BUILD_ROCKCHIP" == "true" ]]
@@ -175,7 +180,7 @@ then
      cmake .. -DCMAKE_BUILD_TYPE=Release \
                -DCMAKE_INSTALL_RPEFIX="$PREFIX" \
                -DBUILD_SHARED_LIBS=ON \
-               -DBUILD_TEST=OFF \
+               -DBUILD_TEST=OFF -DCMAKE_INSTALL_RPATH="${PREFIX}/lib" \
                -DCMAKE_C_FLAGS="-O${OPT_LVL} $COMP_FLAGS" \
                -DCMAKE_CXX_FLAGS="-O${OPT_LVL} $COMP_FLAGS" || exit
      make -j"$(nproc)" || exit
@@ -187,8 +192,9 @@ then
      rm -rf rga_build.user
      mkdir rga_build.user
      meson setup . rga_build.user --buildtype release -Db_lto=true \
-     --default-library=shared -Dlibdrm=false -Dlibrga_demo=false --prefix "$PREFIX" \
-     --optimization="$OPT_LVL" -Dc_args="$COMP_FLAGS" -Dcpp_args="-fpermissive $COMP_FLAGS" || exit
+          --default-library=shared -Dlibdrm=false -Dlibrga_demo=false \
+          --prefix "$PREFIX" --optimization="$OPT_LVL" \
+          -Dc_args="$COMP_FLAGS" -Dcpp_args="-fpermissive $COMP_FLAGS" || exit
      ninja -vC rga_build.user || exit
      sudo ninja -vC rga_build.user install || exit
 fi
@@ -208,19 +214,13 @@ then
      rm -rf ffmpeg_build.user && mkdir ffmpeg_build.user || exit
      source "$HOME/.cargo/env" # for good measure
      cargo clean
-     RUSTFLAGS="-C target-cpu=native" cargo build --release
-     sudo cp target/release/dovi_tool /usr/local/bin/ || exit
+     RUSTFLAGS="-C target-cpu=native" ccache cargo build --release
+     sudo cp target/release/dovi_tool ${PREFIX}/bin/ || exit
 
      # build libdovi
      cd dolby_vision || exit
-     RUSTFLAGS="-C target-cpu=native" cargo cinstall --release \
-          --prefix="$DOVI_DIR/ffmpeg_build.user" \
-          --libdir="$DOVI_DIR/ffmpeg_build.user"/lib \
-          --includedir="$DOVI_DIR/ffmpeg_build.user"/include
-     cd "$DOVI_DIR"/ffmpeg_build.user || exit
-     sudo rm /usr/local/include/libdovi /usr/local/lib/libdovi.*
-     sudo cp ./lib/* /usr/local/lib/ -r || exit
-     sudo cp ./include/* /usr/local/include/ -r
+     RUSTFLAGS="-C target-cpu=native" ccache cargo cbuild --release
+     sudo cargo cinstall --release
 
      # build hdr10plus_tool
      cd "$HDR10_DIR/" || exit
@@ -228,19 +228,13 @@ then
      rm -rf ffmpeg_build.user && mkdir ffmpeg_build.user || exit
      source "$HOME/.cargo/env" # for good measure
      cargo clean
-     RUSTFLAGS="-C target-cpu=native" cargo build --release
-     sudo cp target/release/hdr10plus_tool /usr/local/bin/ || exit
+     RUSTFLAGS="-C target-cpu=native" ccache cargo build --release
+     sudo cp target/release/hdr10plus_tool ${PREFIX}/bin/ || exit
 
      # build libhdr10plus
      cd hdr10plus || exit
-     RUSTFLAGS="-C target-cpu=native" cargo cinstall --release \
-          --prefix="$HDR10_DIR/ffmpeg_build.user" \
-          --libdir="$HDR10_DIR/ffmpeg_build.user"/lib \
-          --includedir="$HDR10_DIR/ffmpeg_build.user"/include
-     cd "$HDR10_DIR"/ffmpeg_build.user || exit
-     sudo rm /usr/local/include/libhdr10plus-rs /usr/local/lib/libhdr10plus-rs.*
-     sudo cp ./lib/* /usr/local/lib/ -r || exit
-     sudo cp ./include/* /usr/local/include/ -r
+     RUSTFLAGS="-C target-cpu=native" ccache cargo cbuild --release
+     sudo cargo cinstall --release
 
      # build svt-avt-psy
      cd "$SVT_PSY_DIR/" || exit
@@ -254,9 +248,10 @@ then
                -DENABLE_AVX512=ON -DBUILD_TESTING=OFF \
                -DCOVERAGE=OFF -DLIBDOVI_FOUND=1 \
                -DLIBHDR10PLUS_RS_FOUND=1 \
+               -DCMAKE_INSTALL_RPATH="${PREFIX}/lib" \
                -DCMAKE_C_FLAGS="-O${OPT_LVL} $COMP_FLAGS" \
                -DCMAKE_CXX_FLAGS="-O${OPT_LVL} $COMP_FLAGS" || exit
-     make -j"$(nproc)" || exit
+     ccache make -j"$(nproc)" || exit
      sudo make install
 else
      # build svt-av1
@@ -269,7 +264,7 @@ else
      cmake .. -DCMAKE_BUILD_TYPE=Release -DSVT_AV1_LTO=ON \
                -DCMAKE_INSTALL_RPEFIX="$PREFIX" \
                -DENABLE_AVX512=ON -DBUILD_TESTING=OFF \
-               -DCOVERAGE=OFF \
+               -DCOVERAGE=OFF -DCMAKE_INSTALL_RPATH="${PREFIX}/lib" \
                -DCMAKE_C_FLAGS="-O${OPT_LVL} $COMP_FLAGS" \
                -DCMAKE_CXX_FLAGS="-O${OPT_LVL} $COMP_FLAGS" || exit
      make -j"$(nproc)" || exit
@@ -285,14 +280,7 @@ if [[ "$BUILD_ALL_AV1" == "true" ]]; then
      rm -rf ffmpeg_build.user && mkdir ffmpeg_build.user || exit
      source "$HOME/.cargo/env" # for good measure
      cargo clean
-     RUSTFLAGS="-C target-cpu=native" cargo cinstall --release \
-          --prefix="$(pwd)"/ffmpeg_build.user \
-          --libdir="$(pwd)"/ffmpeg_build.user/lib \
-          --includedir="$(pwd)"/ffmpeg_build.user/include || exit
-     cd ffmpeg_build.user || exit
-     sudo rm /usr/local/include/rav1e /usr/local/lib/librav1e.*
-     sudo cp ./lib/* /usr/local/lib/ -r || exit
-     sudo cp ./include/* /usr/local/include/ -r || exit
+     RUSTFLAGS="-C target-cpu=native" sudo ccache cargo cinstall --release
 
      # build aom
      cd "$AOM_DIR/" || exit
@@ -334,7 +322,7 @@ rm -rf build.user
 mkdir build.user
 meson setup . build.user --buildtype release -Db_lto=true --prefix "$PREFIX" \
      --optimization="$OPT_LVL" -Dc_args="$COMP_FLAGS" -Dcpp_args="$COMP_FLAGS" || exit
-ninja -vC build.user || exit
+ccache ninja -vC build.user || exit
 sudo ninja -vC build.user install || exit
 
 # build opus
@@ -343,7 +331,7 @@ update_git
 ./autogen.sh || exit
 export CFLAGS="-O${OPT_LVL} -flto $COMP_FLAGS"
 make clean
-./configure --prefix="$PREFIX" || exit
+ccache ./configure --prefix="$PREFIX" || exit
 make -j"$(nproc)" || exit
 sudo make install || exit
 unset CFLAGS
@@ -422,17 +410,23 @@ if [[ "$BUILD_OTHERS" == "true" ]]; then
      sudo make install || exit
 fi
 
-# ldconfig for shared libs
-sudo mkdir /etc/ld.so.conf.d/
-echo -e "/usr/local/lib\n/usr/local/lib/$(gcc -dumpmachine)" | sudo tee /etc/ld.so.conf.d/ffmpeg.conf || exit 1
-sudo ldconfig
+if command -v ldconfig ; then
+     # ldconfig for shared libs
+     sudo mkdir /etc/ld.so.conf.d/
+     echo -e "${PREFIX}/lib\n${PREFIX}/lib/$(gcc -dumpmachine)" | sudo tee /etc/ld.so.conf.d/ffmpeg.conf || exit 1
+     sudo ldconfig
+fi
+
+# for MacOs / Darwin
+test "$(uname)" == "Darwin" && \
+     FFMPEG_CONFIGURE_OPT+="--enable-rpath "
 
 # build ffmpeg
 cd "$FFMPEG_DIR/" || exit
 update_git
-export PKG_CONFIG_PATH="/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH"
+export PKG_CONFIG_PATH="${PREFIX}/lib/pkgconfig:$PKG_CONFIG_PATH"
 make clean
-./configure --enable-libsvtav1 --prefix="$PREFIX" \
+ccache ./configure --enable-libsvtav1 --prefix="$PREFIX" \
      --enable-libdav1d --enable-libopus \
      $FFMPEG_CONFIGURE_OPT \
      --arch="$ARCH" --cpu=native \
@@ -443,7 +437,7 @@ make clean
      --disable-podpages --disable-txtpages || exit
 make -j"$(nproc)" || exit
 sudo make install || exit
-sudo cp ff*_g /usr/local/bin/
+sudo cp ff*_g ${PREFIX}/bin/
 
 # validate encoders
 hash -r
diff --git a/scripts/estimate_fg.sh b/scripts/estimate_fg.sh
index ceef910..970161f 100755
--- a/scripts/estimate_fg.sh
+++ b/scripts/estimate_fg.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 usage() {
     echo "$(basename "$0") -i input_file [options]"
diff --git a/scripts/full.sh b/scripts/full.sh
index 4b4d989..9a0742f 100755
--- a/scripts/full.sh
+++ b/scripts/full.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 bash ./scripts/install_deps.sh || exit 1
 bash ./scripts/build.sh || exit 1
diff --git a/scripts/install_deps.sh b/scripts/install_deps.sh
index 48dbda6..d5dc4fb 100755
--- a/scripts/install_deps.sh
+++ b/scripts/install_deps.sh
@@ -1,8 +1,9 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-COMMON_DEP_NAMES="autoconf automake cmake libtool pkg-config bc texinfo \
-  wget nasm yasm time python3 meson doxygen xxd jq lshw gnuplot curl \
-  clang valgrind ccache gawk"
+COMMON_DEP_NAMES="autoconf automake cmake libtool texinfo \
+  wget nasm yasm python3 meson doxygen jq gnuplot ccache gawk"
+
+COMMON_DEP_NAMES_LINUX="time clang valgrind curl bc lshw xxd pkg-config"
 
 APT_DEP_NAMES="build-essential git-core libass-dev libfreetype6-dev \
   libsdl2-dev libva-dev libvdpau-dev libvorbis-dev libxcb1-dev mold \
@@ -11,34 +12,49 @@ APT_DEP_NAMES="build-essential git-core libass-dev libfreetype6-dev \
 
 PACMAN_DEP_NAMES="base-devel ninja python-pip"
 
-USING_NALA=$(type nala > /dev/null; echo $?)
-USING_APT=$(type apt > /dev/null; echo $?)
-USING_PACMAN=$(type pacman > /dev/null; echo $?)
+BREW_DEP_NAMES="pkgconf mkvtoolnix"
 
-if [[ "$USING_NALA" == "0" ]]; then
-  # if nala fails, try apt
-  USING_APT="1"
-  echo "Installing with nala"
-  sudo nala update
-  sudo nala install -y $COMMON_DEP_NAMES $APT_DEP_NAMES || USING_APT="0"
-fi
-if [[ "$USING_APT" == "0" ]]; then
-  echo "Installing with apt"
-  sudo apt-get update
-  sudo apt-get install -y $COMMON_DEP_NAMES $APT_DEP_NAMES || exit 1
-fi
-if [[ "$USING_PACMAN" == "0" ]]; then
-  echo "Installing with pacman"
-  sudo pacman -S $COMMON_DEP_NAMES $PACMAN_DEP_NAMES --noconfirm || exit 1
-fi
+install_deps() {
+  if command -v nala ; then
+    echo "Installing with nala"
+    sudo nala update
+    sudo nala install -y $COMMON_DEP_NAMES \
+      $COMMON_DEP_NAMES_LINUX \
+      $APT_DEP_NAMES && return 0
+  fi
+  if command -v apt ; then
+    echo "Installing with apt"
+    sudo apt-get update
+    sudo apt-get install -y $COMMON_DEP_NAMES \
+      $COMMON_DEP_NAMES_LINUX \
+      $APT_DEP_NAMES || exit 1
+    return 0
+  fi
+  if command -v pacman ; then
+    echo "Installing with pacman"
+    sudo pacman -S $COMMON_DEP_NAMES \
+      $COMMON_DEP_NAMES_LINUX \
+      $PACMAN_DEP_NAMES --noconfirm || exit 1
+    return 0
+  fi
+  if command -v brew ; then
+    echo "Installing with brew"
+    brew install $COMMON_DEP_NAMES \
+      $BREW_DEP_NAMES || exit 1
+    return 0
+  fi
+  return 1
+}
+
+install_deps
 
 curl https://sh.rustup.rs -sSf | sh -s -- -y
 source "$HOME/.cargo/env"
 cargo install cargo-c || exit 1
 
-sudo rm /etc/pip.conf
-grep -q '\[global\]' /etc/pip.conf 2> /dev/null || printf '%b' '[global]\n' | sudo tee -a /etc/pip.conf > /dev/null
-sudo sed -i '/^\[global\]/a\break-system-packages=true' /etc/pip.conf
-pip install --upgrade pip
-python3 -m pip install --upgrade virtualenv || exit 1
- 
\ No newline at end of file
+if test -f /etc/pip.conf ; then
+  sudo rm /etc/pip.conf
+  grep -q '\[global\]' /etc/pip.conf 2> /dev/null || printf '%b' '[global]\n' | sudo tee -a /etc/pip.conf > /dev/null
+  sudo sed -i '/^\[global\]/a\break-system-packages=true' /etc/pip.conf
+fi
+python3 -m pip install --upgrade virtualenv --break-system-packages || exit 1
diff --git a/scripts/recc_encode.sh b/scripts/recc_encode.sh
index 361b687..ec30445 100755
--- a/scripts/recc_encode.sh
+++ b/scripts/recc_encode.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # this is simply my recommended encoding method.
 # do not take this as a holy grail.
@@ -26,10 +26,10 @@ get_duration() {
 }
 
 get_crop() {
-    DURATION="$(get_duration "$INPUT")"
-    TOTAL_SECONDS="$(echo "$DURATION" | awk -F: '{ print ($1 * 3600) + ($2 * 60) + $3 }')"
+    local DURATION="$(get_duration "$INPUT")"
+    local TOTAL_SECONDS="$(echo "$DURATION" | awk -F: '{ print ($1 * 3600) + ($2 * 60) + $3 }')"
     # get cropdetect value for first 1/5 of input
-    TIME_ENC="$(echo "$TOTAL_SECONDS / 5" | bc)"
+    local TIME_ENC="$(echo "$TOTAL_SECONDS / 5" | bc)"
     ffmpeg -hide_banner -ss 0 -discard 'nokey' -i "$INPUT" -t "$TIME_ENC" \
         -map '0:v:0' -filter:v:0 'cropdetect=limit=64:round=16:skip=2:reset_count=0' \
         -codec:v 'wrapped_avframe' -f 'null' '/dev/null' -y 2>&1 | grep -o crop=.* \
@@ -37,10 +37,10 @@ get_crop() {
 }
 
 unmap_streams(){
-    INPUT="$1"
-    UNMAP_FILTER="bin_data|jpeg|png"
-    UNMAP_STREAMS=$(ffprobe "$INPUT" 2>&1 | grep "Stream" | grep -Ei "$UNMAP_FILTER" | cut -d':' -f2 | cut -d'[' -f1 | tr '\n' ' ')
-    UNMAP_CMD=""
+    local INPUT="$1"
+    local UNMAP_FILTER="bin_data|jpeg|png"
+    local UNMAP_STREAMS=$(ffprobe "$INPUT" 2>&1 | grep "Stream" | grep -Ei "$UNMAP_FILTER" | cut -d':' -f2 | cut -d'[' -f1 | tr '\n' ' ')
+    local UNMAP_CMD=""
     for UNMAP_STREAM in $UNMAP_STREAMS; do
         UNMAP_CMD+="-map -0:$UNMAP_STREAM "
     done
@@ -48,7 +48,7 @@ unmap_streams(){
 }
 
 get_bitrate_audio() {
-    BITRATE_CMD=""
+    local BITRATE_CMD=""
     NUM_AUDIO_STREAMS=$(ffprobe -v error -select_streams a -show_entries stream=index -of csv=p=0 "$INPUT" | wc -l)
     for ((i = 0; i < NUM_AUDIO_STREAMS; i++)); do
         NUM_CHANNELS=$(ffprobe -v error -select_streams "a:$i" -show_entries stream=channels -of default=noprint_wrappers=1:nokey=1 "$INPUT")
@@ -59,7 +59,7 @@ get_bitrate_audio() {
 }
 
 convert_subs() {
-    SUB_CONVERT_CMD=""
+    local SUB_CONVERT_CMD=""
     NUM_SUBTITLE_STREAMS=$(ffprobe -v error -select_streams s -show_entries stream=index -of csv=p=0 "$INPUT" | wc -l)
     for ((i = 0; i < NUM_SUBTITLE_STREAMS; i++)); do
         SUBTITLE_FORMAT=$(ffprobe -v error -select_streams "s:$i" -show_entries stream=codec_name -of default=noprint_wrappers=1:nokey=1 "$INPUT")
@@ -68,9 +68,30 @@ convert_subs() {
     echo "$SUB_CONVERT_CMD"
 }
 
+ffmpeg_version() {
+    ffmpeg -version 2>&1 | head -n 1 | grep version | cut -d' ' -f1-3
+}
+
+video_enc_version() {
+    SvtAv1EncApp --version | head -n 1
+}
+
+audio_enc_version() {
+    local AUDIO_ENC_VERSION
+    if command -v ldd > /dev/null ; then
+        AUDIO_ENC_VERSION="$(ldd "$(which ffmpeg)" | grep -i libopus | cut -d' ' -f3 | xargs readlink)"
+    elif command -v otool > /dev/null ; then
+        AUDIO_ENC_VERSION="$(otool -L $(which ffmpeg) | grep libopus | tr -d ')' | awk -F' ' '{print $NF}')"
+    fi
+    local AUDIO_ENC_GIT="$(cd "$BUILDER_DIR/opus" && git rev-parse --short HEAD)"
+    test "$AUDIO_ENC_GIT" != '' && AUDIO_ENC_VERSION+="-g${AUDIO_ENC_GIT}"
+    echo "$AUDIO_ENC_VERSION"
+    
+}
+
 encode() {
     ENCODE_FILE="/tmp/$(basename "$OUTPUT")_encode.sh"
-    echo -e '#!/bin/bash\n' > "$ENCODE_FILE"
+    echo -e '#!/usr/bin/env bash\n' > "$ENCODE_FILE"
     echo "export OUTPUT=\"$OUTPUT\"" >> "$ENCODE_FILE"
 
     SVT_PARAMS="${GRAIN}sharpness=3:tune=3:enable-overlays=1:scd=1:fast-decode=1:enable-variance-boost=1:enable-qm=1:qm-min=0:qm-max=15"
@@ -102,14 +123,13 @@ encode() {
     FFMPEG_PARAMS="-y -c:s copy \$CONVERT_SUBS -c:V \$VIDEO_ENCODER \$VIDEO_PARAMS"
     echo "export FFMPEG_PARAMS=\"$FFMPEG_PARAMS\"" >> "$ENCODE_FILE"
 
-    FFMPEG_VERSION="ffmpeg_version=$(ffmpeg -version 2>&1 | grep version | cut -d' ' -f1-3)"
+    FFMPEG_VERSION="ffmpeg_version=$(ffmpeg_version)"
     echo "export FFMPEG_VERSION=\"$FFMPEG_VERSION\"" >> "$ENCODE_FILE"
 
-    VIDEO_ENC_VERSION="video_encoder=$(SvtAv1EncApp --version | head -n 1)"
+    VIDEO_ENC_VERSION="video_encoder=$(video_enc_version)"
     echo "export VIDEO_ENC_VERSION=\"$VIDEO_ENC_VERSION\"" >> "$ENCODE_FILE"
 
-    AUDIO_ENC_VERSION="audio_encoder=$(ldd "$(which ffmpeg)" | grep -i libopus | cut -d' ' -f3 | xargs readlink)"
-    AUDIO_ENC_VERSION+="-g$(cd "$BUILDER_DIR/opus" && git rev-parse --short HEAD)"
+    AUDIO_ENC_VERSION="audio_encoder=$(audio_enc_version)"
     echo "export AUDIO_ENC_VERSION=\"$AUDIO_ENC_VERSION\"" >> "$ENCODE_FILE"
 
     ADD_METADATA="\"encoding_params=\$VIDEO_PARAMS \$SVT_PARAMS\""
@@ -182,10 +202,9 @@ while getopts "$OPTS" flag; do
             ;;
         v)
             SCRIPT_VER="$(cd "$BUILDER_DIR" && git rev-parse --short HEAD)"
-            FFMPEG_VER="$(ffmpeg -version 2>&1 | head -n 1 | grep version | cut -d' ' -f1-3)"
-            SVTAV1_VER="$(SvtAv1EncApp --version | head -n 1)"
-            LIBOPUS_VER="$(ldd "$(which ffmpeg)" | grep -i libopus | cut -d' ' -f3 | xargs readlink)"
-            LIBOPUS_VER+="-g$(cd "$BUILDER_DIR/opus" && git rev-parse --short HEAD)"
+            FFMPEG_VER="$(ffmpeg_version)"
+            SVTAV1_VER="$(video_enc_version)"
+            LIBOPUS_VER="$(audio_enc_version)"
             echo "encode version: $SCRIPT_VER"
             echo "ffmpeg version: $FFMPEG_VER"
             echo "svtav1 version: $SVTAV1_VER"
diff --git a/scripts/refresh_build.sh b/scripts/refresh_build.sh
index 94a554c..03d98c2 100755
--- a/scripts/refresh_build.sh
+++ b/scripts/refresh_build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # global path variables
 SCRIPT_PATH="$(readlink -f "${BASH_SOURCE[0]}")"