Reorganise scripts

.config/scripts/tool/thumb.sh

@@ -0,0 +1,46 @@
+function thumb() {
+  UUID=$(uuidgen)
+  GRID_X=2
+  GRID_Y=4
+  TMP_FILE_LOCATION="./tmp_chapters_out_$UUID.mp4"
+
+  echo "Removing blank frames..."
+
+  ffmpeg \
+    -hide_banner \
+    -i "$1" \
+    -c:a copy \
+    -vaapi_device /dev/dri/renderD128 -vcodec h264_vaapi \
+    -vf "blackframe=0,metadata=select:key=lavfi.blackframe.pblack:value=15:function=less,format=nv12|vaapi,hwupload" \
+    "$TMP_FILE_LOCATION"
+
+  echo "Getting frame rate..."
+  # Get frame rate
+  FRAMES=$(ffprobe \
+    -loglevel quiet \
+    -select_streams v:0 \
+    -count_packets \
+    -show_entries stream=nb_read_packets \
+    -of csv=p=0 "$TMP_FILE_LOCATION"
+  )
+
+  echo "Total frames: $FRAMES"
+
+  GRID_TOTAL=$((GRID_X*GRID_Y))
+  SPLICE=$(((FRAMES + GRID_TOTAL - 1) / GRID_TOTAL))
+  echo "Splicing every: $SPLICE"
+
+  echo "Generating thumbnail grid..."
+  # Generate for frame rate
+  ffmpeg \
+    -hide_banner \
+    -loglevel quiet \
+    -i "$TMP_FILE_LOCATION" \
+    -vf "select=not(mod(n\,$SPLICE)),scale=800:-1,tile=$GRID_X\x$GRID_Y" \
+    -vsync 0 \
+    "chapters-$UUID-gpu.jpg"
+
+  rm "$TMP_FILE_LOCATION"
+}
+
+