diff --git a/bin/tc b/bin/tc
index 1014d2d..bf013eb 100755
--- a/bin/tc
+++ b/bin/tc
@@ -1,11 +1,39 @@
 #!/bin/sh
-mkdir -p output
-for file in *.MP4; do
+for dir in ./*; do
+  cd "$dir"
+  mkdir -p output
+  for file in *.*; do
+  STRIPPED_NAME=${file%.*}
+
   # CPU
-  ffmpeg -i "$file" -c:a copy -c:v hevc -crf 20 "output/$file"
+
+  ffmpeg -n -i "$file" \
+  -init_hw_device vulkan=vk:0 \
+  -c:a copy -c:v libsvtav1 -crf "$CRF" -preset "$PRESET" \
+  -svtav1-params "tune=0:lookahead=120:scm=1" \
+  output/"$STRIPPED_NAME".mkv
+
+  # -init_hw_device vulkan=vk:0
+  # platform-agnostic hardware accelerated decoding with vulkan
+  # only available for h264,h265, and experimentally av1
+
+  # parameters
+  ## temporal filtering: averages frames
+  # enable-tf=0
+  ## screen content mode: optimization for screen captures (goated?)
+  # scm=1
+
+  # 10 bit color
+  #-pix_fmt yuv420p10le \
+
   # VAAPI
-  #ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi -i "$file" -c:a copy -c:v av1_vaapi -crf 20 -b:v 30M "output/$file"
-  #ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi -i "$file" -c:a copy -c:v av1_vaapi -rc_mode VBR -b:v 30M -maxrate 35M "output/$file"
+  #ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi \
+  #-i "$file" -c:a copy -c:v av1_vaapi -crf 20 -b:v 30M "output/$file"
+  #ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi \
+  #-i "$file" -c:a copy -c:v av1_vaapi -rc_mode VBR -b:v 30M -maxrate 35M "output/$file"
   # NVENC
-  #ffmpeg -i "$file" -c:a copy -c:v hevc_nvenc -b:v 10M -minrate 5M -maxrate 15M "output/$file"
+  #ffmpeg -i "$file" \
+  #-c:a copy -c:v hevc_nvenc -preset p7 -rc vbr -maxrate 1M output/"$file".mkv
+  done
+  cd ..
 done