Add All existing

deinterlacing_cpu.sh

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+#!/bin/bash
+
+INPUT="$HOME/mount/Ripping/Lutz/noch zu rendern/Brücke nach Terabithia/A1_t00.mkv"
+OUTPUT="${INPUT%.*}_deinterlaced.mp4"
+LOGFILE=$(mktemp)
+
+if [ ! -f "$INPUT" ]; then
+  echo "Input file not found."
+  exit 1
+fi
+
+# Step 1: Try runtime detection with idet
+ffmpeg -hide_banner -vstats -nostats \
+  -i "$INPUT" \
+  -filter:v "format=yuv420p,idet" \
+  -frames:v 500 \
+  -an -f rawvideo -y /dev/null \
+  2> "$LOGFILE"
+
+TFF=$(grep -o 'TFF:[0-9]*' "$LOGFILE" | head -1 | cut -d: -f2)
+BFF=$(grep -o 'BFF:[0-9]*' "$LOGFILE" | head -1 | cut -d: -f2)
+PROG=$(grep -o 'Progressive:[0-9]*' "$LOGFILE" | head -1 | cut -d: -f2)
+rm "$LOGFILE"
+
+TFF=${TFF:-0}
+BFF=${BFF:-0}
+PROG=${PROG:-0}
+
+echo "Detected via idet - Progressive: $PROG, TFF: $TFF, BFF: $BFF"
+
+# Step 2: Fallback to metadata if no detection occurred
+if [ "$((TFF + BFF + PROG))" -eq 0 ]; then
+  echo "idet returned 0 frames — falling back to metadata..."
+  FIELD_ORDER=$(ffprobe -v error -select_streams v:0 \
+    -show_entries stream=field_order \
+    -of default=noprint_wrappers=1:nokey=1 "$INPUT")
+
+  case "$FIELD_ORDER" in
+    tt|bb)
+      echo "Field order is interlaced ($FIELD_ORDER)."
+      INTERLACED=true
+      ;;
+    progressive|unknown|"")
+      echo "Metadata says progressive or unknown."
+      INTERLACED=false
+      ;;
+  esac
+else
+  INTERLACED=$((TFF + BFF > PROG))
+fi
+
+# Step 3: Skip or apply deinterlacing
+if [ "$INTERLACED" = false ]; then
+  echo "Video is progressive. No deinterlacing needed."
+  exit 0
+fi
+
+echo "Video is interlaced. Proceeding with deinterlacing..."
+
+# Step 4: Apply yadif
+ffmpeg -i "$INPUT" \
+  -vf "yadif=mode=1:parity=auto" \
+  -c:v libx264 -preset slow -crf 18 -c:a copy \
+  "$OUTPUT"