diff --git a/scripts/benchmark.sh b/scripts/benchmark.sh
index 29339c1..d84a0a2 100755
--- a/scripts/benchmark.sh
+++ b/scripts/benchmark.sh
@@ -18,9 +18,13 @@ test -f "$INPUT_DIR/${INPUT[2]}" || wget -O "$INPUT_DIR/${INPUT[2]}" 'https://ww
 rm -rf "$OUTPUT_DIR" && mkdir -p "$OUTPUT_DIR"
 
 # Different variables to test
-CRF=(25 30)
-ENCODER=('libaom-av1' 'libsvtav1' 'librav1e')
-PRESET=(4 8)
+CRF=(40)
+ENCODER=('libsvtav1' 'librav1e' 'libaom-av1')
+ENCODER=('libsvtav1')
+PRESET=(13)
+
+# Log for results
+LOG="$OUTPUT_DIR/results.txt"
 
 for input in "${INPUT[@]}"
 do
@@ -32,8 +36,13 @@ do
             for crf in "${CRF[@]}"
             do
                 OUTPUT="$OUTPUT_DIR/${encoder}_preset${preset}_crf${crf}_$input"
-                echo "output: $OUTPUT"
-                ffmpeg -i "$INPUT_DIR/$input" -c:a copy -c:v "$encoder" -preset "$preset" -crf "$crf" "$OUTPUT"
+                echo "output: $OUTPUT" >> "$LOG"
+                TIME_BEFORE=$(date +%s)
+                ffmpeg -i "$INPUT_DIR/$input" -c:a copy -c:v "$encoder" -preset "$preset" -crf "$crf" "$OUTPUT" 2> /dev/null || exit 1
+                TIME_AFTER=$(date +%s)
+                TIME_DIFF=$((TIME_AFTER - TIME_BEFORE))
+                echo -e "\t time taken: $TIME_DIFF" >> "$LOG"
+                ffmpeg -i "$OUTPUT" -i "$INPUT_DIR/$input" -lavfi libvmaf=n_threads="$(nproc)" -f 'null' - | grep "VMAF score:" >> "$LOG" || exit 1
             done
         done    
     done
diff --git a/scripts/build.sh b/scripts/build.sh
index c73efce..a0e86f3 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -5,12 +5,14 @@ SVT_DIR="$BASE_DIR/svt"
 RAV1E_DIR="$BASE_DIR/rav1e"
 FFMPEG_DIR="$BASE_DIR/ffmpeg"
 AOM_DIR="$BASE_DIR/aom"
+VMAF_DIR="$BASE_DIR/vmaf"
 
 # clone
 git clone https://gitlab.com/AOMediaCodec/SVT-AV1.git "$SVT_DIR" --depth 1
 git clone https://github.com/xiph/rav1e "$RAV1E_DIR" --depth 1
 git clone https://git.ffmpeg.org/ffmpeg.git "$FFMPEG_DIR" --depth 1
 git clone https://aomedia.googlesource.com/aom "$AOM_DIR" --depth 1
+git clone https://github.com/Netflix/vmaf "$VMAF_DIR" --depth 1
 
 # build svt-av1
 cd "$SVT_DIR/" || exit
@@ -46,6 +48,16 @@ cmake .. -DCMAKE_BUILD_TYPE=Release
 make -j "$(nproc)"
 sudo make install
 
+# build libvmaf
+cd "$VMAF_DIR/libvmaf" || exit
+git pull
+python3 -m virtualenv .venv
+source .venv/bin/activate
+pip install meson
+meson setup build --buildtype release
+ninja -vC build
+sudo ninja -vC build install
+
 # ldconfig for shared libs
 echo "/usr/local/lib" | sudo tee /etc/ld.so.conf.d/ffmpeg.conf
 sudo ldconfig
@@ -55,7 +67,8 @@ cd "$FFMPEG_DIR/" || exit
 git pull
 export PKG_CONFIG_PATH+=":/usr/local/lib/pkgconfig"
 make clean
-./configure --enable-libsvtav1 --enable-librav1e --enable-libaom
+./configure --enable-libsvtav1 --enable-librav1e \
+     --enable-libaom --enable-libvmaf || exit
 make -j "$(nproc)"
 sudo make install
 
diff --git a/scripts/install_deps.sh b/scripts/install_deps.sh
index af563c4..fc5945b 100755
--- a/scripts/install_deps.sh
+++ b/scripts/install_deps.sh
@@ -5,8 +5,11 @@ sudo apt-get update
 sudo apt-get install autoconf automake build-essential cmake git-core \
   libass-dev libfreetype6-dev libsdl2-dev libtool libva-dev libvdpau-dev \
   libvorbis-dev libxcb1-dev libxcb-shm0-dev libxcb-xfixes0-dev pkg-config \
-  texinfo wget zlib1g-dev nasm yasm libssl-dev -y
+  texinfo wget zlib1g-dev nasm yasm libssl-dev time python3 meson ninja-build\
+  doxygen xxd -y || exit 1
 
 curl https://sh.rustup.rs -sSf | sh -s -- -y
 source "$HOME/.cargo/env"
-cargo install cargo-c
\ No newline at end of file
+cargo install cargo-c
+
+python3 -m pip install virtualenv