Update

bash/greenscreen_to_webm.sh

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+#!/bin/bash
+
+# Script to remove green screen and convert video files to WebM
+# Usage: ./greenscreen_to_webm.sh [directory_path]
+
+# Check if ffmpeg is installed
+if ! command -v ffmpeg &> /dev/null; then
+    echo "Error: ffmpeg is not installed or not in PATH"
+    exit 1
+fi
+
+# Get target directory (default to current directory)
+target_dir="${1:-.}"
+
+# Check if directory exists
+if [ ! -d "$target_dir" ]; then
+    echo "Error: Directory '$target_dir' does not exist"
+    exit 1
+fi
+
+# Change to target directory
+cd "$target_dir" || {
+    echo "Error: Cannot access directory '$target_dir'"
+    exit 1
+}
+
+# Create webm directory if it doesn't exist
+mkdir -p webm
+
+# Counter for processed files
+processed=0
+failed=0
+
+echo "Converting video files to WebM with green screen removal..."
+
+# Process all common video files in current directory
+for video_file in *.mp4 *.mov *.avi *.mkv *.m4v *.MP4 *.MOV *.AVI *.MKV *.M4V; do
+    # Check if file actually exists (in case glob doesn't match)
+    if [ ! -f "$video_file" ]; then
+        continue
+    fi
+
+    # Get filename without extension
+    base_name=$(basename "$video_file" | sed 's/\.[^.]*$//')
+
+    # Output WebM filename
+    webm_file="webm/${base_name}.webm"
+
+    echo "Processing: $video_file -> $webm_file"
+
+    # Convert with green screen removal
+    if ffmpeg -i "$video_file" \
+              -vf 'colorkey=0x00FF00:similarity=0.1:blend=0.1,despill=green' \
+              -c:v libvpx-vp9 \
+              -c:a libvorbis \
+              -y \
+              "$webm_file" \
+              -v quiet -stats; then
+        echo "✓ Successfully converted: $webm_file"
+        ((processed++))
+    else
+        echo "✗ Failed to convert: $video_file"
+        ((failed++))
+    fi
+    echo ""
+done
+
+# Summary
+echo "Conversion complete!"
+echo "Successfully processed: $processed files"
+if [ $failed -gt 0 ]; then
+    echo "Failed to process: $failed files"
+fi
+echo "Output directory: webm/"