Update

bash/webm_fps_analyse.sh

@@ -0,0 +1,146 @@
+#!/bin/bash
+
+# WebM FPS Analyzer Script
+# Analyzes FPS of all WebM files in specified directory (or current directory)
+
+# Usage function
+usage() {
+    echo "Usage: $0 [directory_path]"
+    echo "  directory_path: Path to directory containing WebM files (optional, defaults to current directory)"
+    echo ""
+    echo "Examples:"
+    echo "  $0                                    # Analyze current directory"
+    echo "  $0 /path/to/webm/files               # Analyze specific directory"
+    echo "  $0 ~/Videos                          # Analyze home Videos directory"
+}
+
+# Check if ffprobe is available
+if ! command -v ffprobe &> /dev/null; then
+    echo "Error: ffprobe is not installed or not in PATH"
+    echo "Please install ffmpeg to use this script"
+    exit 1
+fi
+
+# Handle command line arguments
+if [[ "$1" == "-h" ]] || [[ "$1" == "--help" ]]; then
+    usage
+    exit 0
+fi
+
+# Set target directory
+if [[ -n "$1" ]]; then
+    target_dir="$1"
+    # Expand tilde if present
+    target_dir="${target_dir/#\~/$HOME}"
+
+    # Check if directory exists
+    if [[ ! -d "$target_dir" ]]; then
+        echo "Error: Directory '$target_dir' does not exist"
+        exit 1
+    fi
+
+    # Check if directory is readable
+    if [[ ! -r "$target_dir" ]]; then
+        echo "Error: Directory '$target_dir' is not readable"
+        exit 1
+    fi
+else
+    target_dir="."
+fi
+
+# Initialize variables
+declare -a fps_values=()
+declare -a filenames=()
+total_fps=0
+count=0
+min_fps=""
+max_fps=""
+
+echo "Analyzing WebM files in directory: $target_dir"
+echo "========================================"
+
+# Find all .webm files and process them
+for file in "$target_dir"/*.webm; do
+    # Check if any .webm files exist
+    if [[ ! -e "$file" ]]; then
+        echo "No WebM files found in directory: $target_dir"
+        exit 0
+    fi
+
+    # Get just the filename for display
+    filename=$(basename "$file")
+
+    echo "Processing: $filename"
+
+    # Extract FPS using ffprobe
+    fps=$(ffprobe -v quiet -select_streams v:0 -show_entries stream=r_frame_rate -of csv=p=0 "$file" 2>/dev/null)
+
+    # Check if fps extraction was successful
+    if [[ -z "$fps" ]]; then
+        echo "  ⚠️  Could not determine FPS for $filename"
+        continue
+    fi
+
+    # Convert fraction to decimal if needed (e.g., "30/1" to "30")
+    if [[ "$fps" == *"/"* ]]; then
+        # Use bc for floating point division if available, otherwise use awk
+        if command -v bc &> /dev/null; then
+            fps_decimal=$(echo "scale=3; $fps" | bc)
+        else
+            fps_decimal=$(awk "BEGIN {printf \"%.3f\", $fps}")
+        fi
+    else
+        fps_decimal="$fps"
+    fi
+
+    echo "  📊 FPS: $fps_decimal"
+
+    # Store values
+    fps_values+=("$fps_decimal")
+    filenames+=("$filename")
+
+    # Update statistics
+    if [[ -z "$min_fps" ]] || (( $(echo "$fps_decimal < $min_fps" | awk '{print ($1 < $2)}') )); then
+        min_fps="$fps_decimal"
+    fi
+
+    if [[ -z "$max_fps" ]] || (( $(echo "$fps_decimal > $max_fps" | awk '{print ($1 > $2)}') )); then
+        max_fps="$fps_decimal"
+    fi
+
+    total_fps=$(awk "BEGIN {printf \"%.3f\", $total_fps + $fps_decimal}")
+    ((count++))
+
+    echo ""
+done
+
+# Check if any files were processed
+if [[ $count -eq 0 ]]; then
+    echo "No valid WebM files could be processed."
+    exit 0
+fi
+
+# Calculate average
+average_fps=$(awk "BEGIN {printf \"%.3f\", $total_fps / $count}")
+
+# Display results
+echo "========================================"
+echo "ANALYSIS RESULTS"
+echo "========================================"
+echo "Files processed: $count"
+echo ""
+echo "📈 STATISTICS:"
+echo "  Minimum FPS: $min_fps"
+echo "  Maximum FPS: $max_fps"
+echo "  Average FPS: $average_fps"
+echo ""
+echo "📋 INDIVIDUAL FILE DETAILS:"
+echo "----------------------------------------"
+
+# Display individual file FPS
+for i in "${!filenames[@]}"; do
+    printf "%-40s | %s FPS\n" "${filenames[$i]}" "${fps_values[$i]}"
+done
+
+echo "----------------------------------------"
+echo "Analysis complete! 🎬"