diff --git a/.gitignore b/.gitignore
index 5c75519..494dd7a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 ffmpeg
 rav1e
-svt
+svt*
+dovi
 aom
 vmaf
 dav1d
diff --git a/scripts/build.sh b/scripts/build.sh
index 49e4992..89a42cf 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -1,5 +1,50 @@
 #!/bin/bash
 
+usage() {
+     echo "./scripts/build.sh [-h] [-p] [-o] [r] [-a]"
+     echo -e "\th: display this help output"
+     echo -e "\tp: build svt-av1-psy with dovi library"
+     echo -e "\to: build other encoders x264/5 and vpx"
+     echo -e "\tr: build rockchip media libraries" 
+}
+
+update_git() {
+     git config pull.rebase false
+     git stash && git stash drop
+     git pull
+}
+
+OPTS='hpao:'
+NUM_OPTS=$(echo $OPTS | tr ':' '\n' | wc -l)
+MIN_OPT=0
+# using all
+MAX_OPT=$(( NUM_OPTS ))
+test "$#" -lt $MIN_OPT && echo "not enough arguments" && usage && exit 1
+test "$#" -gt $MAX_OPT && echo "too many arguments" && usage && exit 1
+while getopts "$OPTS" flag; do
+    case "${flag}" in
+        h)
+               usage
+               exit 0
+               ;;
+        p)
+               export BUILD_PSY="true"
+               echo "building psy"
+               ;;
+        o)
+               export BUILD_OTHERS="true"
+               echo "building other encoders"
+               ;;
+        r)
+               export BUILD_ROCKCHIP="true"
+               echo "building rockchip media platform"
+               ;;
+        *)
+               echo "building default"
+               ;;
+    esac
+done
+
 BASE_DIR=$(pwd)
 SVT_DIR="$BASE_DIR/svt"
 RAV1E_DIR="$BASE_DIR/rav1e"
@@ -10,12 +55,16 @@ DAV1D_DIR="$BASE_DIR/dav1d"
 OPUS_DIR="$BASE_DIR/opus"
 RKMPP_DIR="$BASE_DIR/rkmpp"
 RKRGA_DIR="$BASE_DIR/rkrga"
+DOVI_DIR="$BASE_DIR/dovi"
+SVT_PSY_DIR="$BASE_DIR/svt-psy"
 X264_DIR="$BASE_DIR/x264"
 X265_DIR="$BASE_DIR/x265"
 VPX_DIR="$BASE_DIR/vpx"
 
 # clone
 git clone --depth 1 https://gitlab.com/AOMediaCodec/SVT-AV1.git "$SVT_DIR"
+git clone --depth 1 https://github.com/quietvoid/dovi_tool "$DOVI_DIR"
+git clone --depth 1 https://github.com/gianni-rosato/svt-av1-psy "$SVT_PSY_DIR"
 git clone --depth 1 https://github.com/xiph/rav1e "$RAV1E_DIR"
 git clone --depth 1 https://aomedia.googlesource.com/aom "$AOM_DIR"
 git clone --depth 1 https://github.com/Netflix/vmaf "$VMAF_DIR"
@@ -45,10 +94,8 @@ export PATH="/usr/lib/ccache/:$PATH"
 
 # rockchip ffmpeg libs
 FFMPEG_ROCKCHIP=""
-IS_ROCKCHIP=$(uname -r | grep "rockchip" > /dev/null && echo "yes" || echo "no")
-# disabling due to decode errors
-IS_ROCKCHIP="no"
-if [[ "$IS_ROCKCHIP" == "yes" ]]
+# IS_ROCKCHIP=$(uname -r | grep "rockchip" > /dev/null && echo "yes" || echo "no")
+if [[ "$BUILD_ROCKCHIP" == "true" ]]
 then
   FFMPEG_ROCKCHIP="--enable-gpl --enable-version3 --enable-libdrm --enable-rkmpp --enable-rkrga"
   FFMPEG_DIR="$BASE_DIR/ffmpeg-rkmpp"
@@ -60,8 +107,7 @@ then
 
   # build mpp
   cd "$RKMPP_DIR/" || exit
-  git stash && git stash drop
-  git pull
+  update_git
   rm -rf mpp_build.user
   mkdir mpp_build.user
   cd mpp_build.user || exit
@@ -76,8 +122,7 @@ then
 
   # build rga
   cd "$RKRGA_DIR" || exit
-  git stash && git stash drop
-  git pull
+  update_git
   rm -rf rga_build.user
   mkdir rga_build.user
   cd rga_build.user || exit
@@ -88,25 +133,61 @@ then
   sudo ninja -vC rga_build.user install || exit
 fi
 
-# build svt-av1
-cd "$SVT_DIR/" || exit
-git pull
-rm -rf build_svt.user
-mkdir build_svt.user
-cd build_svt.user || exit
-make clean
-cmake .. -DCMAKE_BUILD_TYPE=Release -DSVT_AV1_LTO=ON \
-          -DENABLE_AVX512=ON -DBUILD_TESTING=OFF \
-          -DCOVERAGE=OFF \
-          -DCMAKE_C_FLAGS="-O${OPT_LVL} $COMP_FLAGS" \
-          -DCMAKE_CXX_FLAGS="-O${OPT_LVL} $COMP_FLAGS" || exit
-make -j "$(nproc)" || exit
-sudo make install || exit
+if [[ "$BUILD_PSY" == "true" ]];
+then
+     # build dovi_tool
+     cd "$DOVI_DIR/" || exit
+     update_git
+     rm -rf ffmpeg_build.user && mkdir ffmpeg_build.user || exit
+     source "$HOME/.cargo/env" # for good measure
+     cargo clean
+     RUSTFLAGS="-C target-cpu=native" cargo build --release
+     sudo cp target/release/dovi_tool /usr/local/bin/ || exit
+
+     # build libdovi
+     cd dolby_vision || exit
+     RUSTFLAGS="-C target-cpu=native" cargo cinstall --release \
+          --prefix="$DOVI_DIR/ffmpeg_build.user" \
+          --libdir="$DOVI_DIR/ffmpeg_build.user"/lib \
+          --includedir="$DOVI_DIR/ffmpeg_build.user"/include
+     cd ffmpeg_build.user || exit
+     sudo cp ./lib/* /usr/local/lib/ -r || exit
+     sudo cp ./include/* /usr/local/include/ -r
+
+     # build svt-avt-psy
+     cd "$SVT_PSY_DIR/" || exit
+     update_git
+     rm -rf build_svt.user
+     mkdir build_svt.user
+     cd build_svt.user || exit
+     make clean
+     cmake .. -DCMAKE_BUILD_TYPE=Release -DSVT_AV1_LTO=ON \
+               -DENABLE_AVX512=ON -DBUILD_TESTING=OFF \
+               -DCOVERAGE=OFF -DLIBDOVI_FOUND=1 \
+               -DCMAKE_C_FLAGS="-O3 $COMP_FLAGS" \
+               -DCMAKE_CXX_FLAGS="-O3 $COMP_FLAGS" || exit
+     make -j "$(nproc)" || exit
+     sudo make install
+else
+     # build svt-av1
+     cd "$SVT_DIR/" || exit
+     update_git
+     rm -rf build_svt.user
+     mkdir build_svt.user
+     cd build_svt.user || exit
+     make clean
+     cmake .. -DCMAKE_BUILD_TYPE=Release -DSVT_AV1_LTO=ON \
+               -DENABLE_AVX512=ON -DBUILD_TESTING=OFF \
+               -DCOVERAGE=OFF \
+               -DCMAKE_C_FLAGS="-O${OPT_LVL} $COMP_FLAGS" \
+               -DCMAKE_CXX_FLAGS="-O${OPT_LVL} $COMP_FLAGS" || exit
+     make -j "$(nproc)" || exit
+     sudo make install || exit
+fi
 
 # build rav1e
 cd "$RAV1E_DIR/" || exit
-git stash && git stash drop
-git pull
+update_git
 rm -rf ffmpeg_build.user && mkdir ffmpeg_build.user || exit
 source "$HOME/.cargo/env" # for good measure
 cargo clean
@@ -120,8 +201,7 @@ sudo cp ./include/* /usr/local/include/ -r || exit
 
 # build aom
 cd "$AOM_DIR/" || exit
-git stash && git stash drop
-git pull
+update_git
 rm -rf build_aom.user
 mkdir build_aom.user
 cd build_aom.user || exit
@@ -135,8 +215,7 @@ sudo make install || exit
 
 # build libvmaf
 cd "$VMAF_DIR/libvmaf" || exit
-git stash && git stash drop
-git pull
+update_git
 python3 -m virtualenv .venv
 source .venv/bin/activate
 rm -rf build.user
@@ -150,8 +229,7 @@ sudo ninja -vC build.user install || exit
 
 # build dav1d
 cd "$DAV1D_DIR" || exit
-git stash && git stash drop
-git pull
+update_git
 rm -rf build.user
 mkdir build.user
 cd build.user || exit
@@ -162,8 +240,7 @@ sudo ninja -vC build.user install || exit
 
 # build opus
 cd "$OPUS_DIR" || exit
-git stash && git stash drop
-git pull
+update_git
 ./autogen.sh || exit
 export CFLAGS="-O${OPT_LVL} -flto $COMP_FLAGS"
 ./configure || exit
@@ -224,8 +301,7 @@ sudo ldconfig
 
 # build ffmpeg
 cd "$FFMPEG_DIR/" || exit
-git stash && git stash drop
-git pull
+update_git
 export PKG_CONFIG_PATH+=":$(pkg-config --variable pc_path pkg-config)"
 ./configure --enable-libsvtav1 --enable-librav1e \
      --enable-libaom --enable-libvmaf \
@@ -240,6 +316,7 @@ export PKG_CONFIG_PATH+=":$(pkg-config --variable pc_path pkg-config)"
      --disable-podpages --disable-txtpages || exit
 make -j "$(nproc)" || exit
 sudo make install || exit
+sudo cp ff*_g /usr/local/bin/
 
 # validate encoders
 hash -r
@@ -247,3 +324,4 @@ source ~/.profile
 ffmpeg -encoders 2>&1 | grep "av1"
 ffmpeg -encoders 2>&1 | grep "rkmpp"
 ffmpeg -decoders 2>&1 | grep "rkmpp"
+exit 0
diff --git a/scripts/recc_encode.sh b/scripts/recc_encode.sh
index 40ff717..f17c327 100755
--- a/scripts/recc_encode.sh
+++ b/scripts/recc_encode.sh
@@ -4,27 +4,42 @@
 # do not take this as a holy grail.
 
 usage() {
-    echo "unrecognized arguments, please retry"
-    echo "encode -i input_file [-p] output_file"
-    echo -e "\t-p print the command instead of executing [optional]"
+    echo "encode -i input_file [-p true/false] [-g NUM] output_file"
+    echo -e "\t-p print the command instead of executing it [optional]"
+    echo -e "\t-g set film grain for encode [optional]"
     return 0 
 }
 
 encode() {
     ENCODE_FILE="/tmp/encode.sh"
+    SVT_PARAMS="${GRAIN}tune=0:enable-overlays=1:scd=1:enable-hdr=1:fast-decode=1:enable-variance-boost=1:enable-qm=1:qm-min=0:qm-max=15"
+    UNMAP=$(unmap_streams "$INPUT")
+    AUDIO_FORMAT='-af "aformat=channel_layouts=7.1|5.1|stereo|mono" -c:a libopus'
+    AUDIO_BITRATE=$(get_bitrate_audio "$INPUT")
+    FFMPEG_PARAMS='-y -c:s copy -c:V libsvtav1 -pix_fmt yuv420p10le -crf 25 -preset 3 -g 240'
+    NL=' \\\n\t'
 
-    echo ffmpeg -i \""$INPUT"\" -map 0 $(unmap_streams "$INPUT") \
-        -af '"aformat=channel_layouts=7.1|5.1|stereo|mono"' -c:a libopus $(get_bitrate_audio "$INPUT") \
-        -c:s copy -c:V libsvtav1 -pix_fmt yuv420p10le -crf 25 -preset 3 -g 240 \
-        -svtav1-params \"tune=0:enable-overlays=1:scd=1:enable-hdr=1:fast-decode=1:enable-variance-boost=1\" \
-        \""$OUTPUT"\" "&& mkvpropedit \"$OUTPUT\" --add-track-statistics-tags " > "$ENCODE_FILE"
+    echo '#!/bin/bash' > "$ENCODE_FILE"
+    echo -e ffmpeg -i \""$INPUT"\" -map 0 $UNMAP \
+        $AUDIO_FORMAT $NL $AUDIO_BITRATE \
+        "$FFMPEG_PARAMS" -dolbyvision 1 -svtav1-params \
+        $NL "\"$SVT_PARAMS\" \"$OUTPUT\" ||" $NL \
+        ffmpeg -i \""$INPUT"\" -map 0 $UNMAP \
+        $AUDIO_FORMAT $NL $AUDIO_BITRATE \
+        "$FFMPEG_PARAMS" -svtav1-params \
+        $NL "\"$SVT_PARAMS\" \"$OUTPUT\"" >> "$ENCODE_FILE"        
     
-        if [[ "$PRINT_OUT" == "true" ]];
-        then
-            cat "$ENCODE_FILE"
-        else
-            bash "$ENCODE_FILE"
-        fi
+    if [[ "$EXT" == "mkv" ]]; then
+        echo "mkvpropedit \"$OUTPUT\" --add-track-statistics-tags" >> "$ENCODE_FILE"
+        echo "mkvpropedit \"$OUTPUT\" --edit info --set \"title=\"" >> "$ENCODE_FILE"
+    fi
+
+    if [[ "$PRINT_OUT" == "true" ]];
+    then
+        cat "$ENCODE_FILE"
+    else
+        bash "$ENCODE_FILE"
+    fi
 }
 
 unmap_streams(){
@@ -50,22 +65,39 @@ get_bitrate_audio() {
 }
 
 
-OPTS='i:p'
+OPTS='i:p:g:'
 NUM_OPTS=$(echo $OPTS | tr ':' '\n' | wc -l)
 PRINT_OUT="false"
+GRAIN=""
+# only using -i
 MIN_OPT=2
-MAX_OPT=4
-test "$#" -lt $MIN_OPT && usage && exit 1
-test "$#" -gt $MAX_OPT && usage && exit 1
+# using all + output name
+MAX_OPT=$(( NUM_OPTS * 2 - 1 ))
+test "$#" -lt $MIN_OPT && echo "not enough arguments" && usage && exit 1
+test "$#" -gt $MAX_OPT && echo "too many arguments" && usage && exit 1
 while getopts "$OPTS" flag; do
     case "${flag}" in
         i)
             INPUT="${OPTARG}"
             ;;
         p)
-            PRINT_OUT="true"
+            PRINT_OUT="${OPTARG}"
+            if [[ "$PRINT_OUT" != "false" && "$PRINT_OUT" != "true" ]]; then
+                echo "unrecognized argument for -p: $PRINT_OUT"
+                usage
+                exit 1
+            fi
+            ;;
+        g)
+            if [[ ${OPTARG} != ?(-)+([[:digit:]]) || ${OPTARG} -lt 0 ]]; then
+                echo "${OPTARG} is not a positive integer"
+                usage
+                exit 1
+            fi
+            GRAIN="film-grain=${OPTARG}:film-grain-denoise=1:"
             ;;
         *)
+            echo "wrong flags given"
             usage
             exit 1
             ;;        
@@ -73,21 +105,19 @@ while getopts "$OPTS" flag; do
 done
 
 # allow optional output filename
-if [[ "$#" -eq $MAX_OPT ]]; then
+if [[ $(($# % 2)) != 0 ]]; then
     OUTPUT="${@: -1}"
-elif [[ 
-    ("$PRINT_OUT" == "true") &&
-    ( "$#" -eq 3) 
-    ]]; then
-    OUTPUT="${HOME}/av1_${INPUT}"
-elif [[ "$#" -eq 2 ]]; then
-    OUTPUT="${HOME}/av1_${INPUT}"
 else
-    OUTPUT="${@: -1}"
+    OUTPUT="${HOME}/av1_${INPUT}"
 fi
 
-echo
-echo "INPUT: $INPUT, PRINT_OUT: $PRINT_OUT, OUTPUT: $OUTPUT"
-echo
+# always use same container for output
+INP_FILENAME=$(basename -- "$INPUT")
+EXT="${INP_FILENAME##*.}"
+OUTPUT="${OUTPUT%.*}"
+OUTPUT+=".${EXT}"
 
+echo
+echo "INPUT: $INPUT, PRINT_OUT: $PRINT_OUT, GRAIN: $GRAIN, OUTPUT: $OUTPUT"
+echo
 encode
diff --git a/scripts/refresh_build.sh b/scripts/refresh_build.sh
new file mode 100755
index 0000000..eb1895f
--- /dev/null
+++ b/scripts/refresh_build.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+git pull
+bash ./scripts/install_deps.sh || exit 1
+bash ./scripts/build.sh || exit 1