Add seasonal montage with music/fades/attribution and full-day timelapse
4-seasons.sh: - Fix per-video target duration: divide by days_in_movement (~30) not days_in_season (~90), so concatenated clips sum to the movement's music duration - Force consistent 1280x720 output (scale+pad) to prevent resolution mismatches when montage-mvt.sh concatenates across days - Use ffprobe (not ffmpeg stderr parsing) for reliable duration reading - Add music-dir fallback to repo-local music/ folder - Remove the 2× music-doubling workaround (root cause fixed above) montage-mvt.sh — complete rewrite: - Proper season/movement detection matching 4-seasons.sh logic - Step 1: concat all *-final.mp4 clips, normalise to 1280x720 - Step 2: speed-adjust concatenated video to exactly match music duration - Step 3: merge with Vivaldi movement audio + 2 s video/audio fade in/out - Step 4: generate 7-second black attribution card (drawtext) crediting John Harrison / Wichita State University Chamber Players / FMA / CC BY-NC-SA 4.0 - Step 5: concat montage + attribution into final file - Temp files cleaned up via EXIT trap fullday-video.sh — new script: - Full-day timelapse from yesterday's images targeting ~30 minutes - Per-frame duration = 1800 / num_images (clamped 0.017–10 s/frame) - 1280x720 output, video-only (no audio) - Auto-deletes fullday videos older than 10 days https://claude.ai/code/session_01C4jbd3waXG3eKZYbGUjLUQ
This commit is contained in:
Claude
Regular → Executable
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-93
@@ -1,108 +1,171 @@
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#!/bin/bash
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# montage-mvt.sh — compile daily sunrise clips into a seasonal movement montage.
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# Output: daily clips concatenated, speed-adjusted to match music duration,
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# with 2-second video/audio fade in/out, followed by a 7-second attribution card.
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#
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# Music: "The Four Seasons" by Antonio Vivaldi
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# Performed by John Harrison with the Wichita State University Chamber Players
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# Source: Free Music Archive (freemusicarchive.org)
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# License: CC BY-NC-SA 4.0 — verify at the URL above before redistribution.
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# Set parameters dynamically based on the current date
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current_date=$(date +%Y-%m-%d)
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current_year=$(date +%Y)
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day_of_year=$(date +%j) # The day of the year (e.g., 1-365)
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set -euo pipefail
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# Define season and movement parameters based on the current date
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if [ $day_of_year -ge 265 ] && [ $day_of_year -le 355 ]; then
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season="Autumn"
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movement_num=3
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season_start_date=265
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season_end_date=355
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days_in_season=91
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day_of_season=$((day_of_year - season_start_date + 1)) # Calculate the day of the season
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elif [ $day_of_year -ge 1 ] && [ $day_of_year -le 79 ]; then
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season="Winter"
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movement_num=1
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season_start_date=1
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season_end_date=79
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days_in_season=79
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day_of_season=$((day_of_year - season_start_date + 1))
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elif [ $day_of_year -ge 80 ] && [ $day_of_year -le 171 ]; then
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season="Spring"
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movement_num=2
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season_start_date=80
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season_end_date=171
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days_in_season=92
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day_of_season=$((day_of_year - season_start_date + 1))
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elif [ $day_of_year -ge 172 ] && [ $day_of_year -le 264 ]; then
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season="Summer"
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movement_num=4
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season_start_date=172
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season_end_date=264
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days_in_season=93
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day_of_season=$((day_of_year - season_start_date + 1))
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# ── Configuration ──────────────────────────────────────────────────────────────
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base_dir="/home/motion/drives/local-2tb"
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script_name=$(basename "$(dirname "$(realpath "$0")")" | cut -d'-' -f1)
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music_base_dir="$base_dir/music/4 Seasons"
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# Fallback: use music/ directory next to this script (repo copy)
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[ ! -d "$music_base_dir" ] && music_base_dir="$(dirname "$(realpath "$0")")/music"
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TARGET_W=1280
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TARGET_H=720
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FADE_DUR=2.0
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ATTR_DUR=7
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# ── Season / movement detection ────────────────────────────────────────────────
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day_of_year=$(date +%j | sed 's/^0*//') # strip leading zeros for arithmetic
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if [ "$day_of_year" -ge 80 ] && [ "$day_of_year" -le 172 ]; then
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season="Spring"; season_start=80; days_in_season=93
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elif [ "$day_of_year" -ge 173 ] && [ "$day_of_year" -le 264 ]; then
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season="Summer"; season_start=173; days_in_season=92
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elif [ "$day_of_year" -ge 265 ] && [ "$day_of_year" -le 355 ]; then
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season="Autumn"; season_start=265; days_in_season=91
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else
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echo "Season not found for the current date"
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exit 1
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season="Winter"; days_in_season=90
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# Winter straddles the year boundary (day 356–79)
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if [ "$day_of_year" -ge 356 ]; then season_start=356; else season_start=0; fi
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fi
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# Debugging info: Print dynamic parameters
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echo "Season: $season"
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echo "Movement: $movement_num"
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echo "Day of Year: $day_of_year"
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# Set the directory for the videos dynamically based on the season and movement
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video_base_dir="/home/motion/drives/local-2tb/movies/sunrise/$season/Mvt$movement_num"
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echo "Looking for video files in: $video_base_dir"
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# Ensure the video directory exists
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if [ ! -d "$video_base_dir" ]; then
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echo "Video directory $video_base_dir not found"
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exit 1
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fi
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# Find the music file for the current season and movement
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music_file=$(find "/home/motion/drives/local-2tb/music/4 Seasons" -type f -iname "*$season Mvt $movement_num*" | head -n 1)
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# Ensure the music file exists
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if [ ! -f "$music_file" ]; then
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echo "Music file for $season Mvt $movement_num not found"
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exit 1
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fi
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# Get the duration of the music file in seconds
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music_duration=$(ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "$music_file")
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echo "Music duration: $music_duration seconds"
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# Find all video files ending in "-final.mp4" using ls and grep
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video_files=()
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echo "Looking for video files in: $video_base_dir"
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for video_file in $(ls "$video_base_dir" | grep -i "Mvt${movement_num}.*-final.mp4"); do
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full_path="$video_base_dir/$video_file"
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if [ -f "$full_path" ]; then
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video_files+=("$full_path")
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fi
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done
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# Check if video files were found
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if [ ${#video_files[@]} -eq 0 ]; then
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echo "No video files found for $season Mvt$movement_num in $video_base_dir"
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exit 1
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# Day within the season (1-based)
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if [ "$season" = "Winter" ] && [ "$day_of_year" -lt 80 ]; then
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day_of_season=$(( day_of_year + 365 - 355 ))
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elif [ "$season" = "Winter" ]; then
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day_of_season=$(( day_of_year - 355 ))
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else
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echo "Found ${#video_files[@]} video files for $season Mvt$movement_num"
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day_of_season=$(( day_of_year - season_start + 1 ))
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fi
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# Prepare a temporary file for concatenation
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temp_file=$(mktemp)
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for video_file in "${video_files[@]}"; do
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echo "file '$video_file'" >> "$temp_file"
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done
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# Each season split into three movements of ~30 days each
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if [ "$day_of_season" -le 30 ]; then movement_num=1; days_in_movement=30
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elif [ "$day_of_season" -le 60 ]; then movement_num=2; days_in_movement=30
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else movement_num=3; days_in_movement=$(( days_in_season - 60 ))
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fi
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# Set the output directory and file for the montage
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output_dir="$video_base_dir/$current_year-$month"
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echo "Season=$season Mvt=$movement_num DayOfSeason=$day_of_season DaysInMvt=$days_in_movement"
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# ── Locate input files ─────────────────────────────────────────────────────────
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video_dir="$base_dir/movies/$script_name/$season/Mvt$movement_num"
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output_dir="$video_dir/montage"
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mkdir -p "$output_dir"
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output_file="$output_dir/$(date +"%Y-%m-%d")_Mvt$movement_num-Montage.mp4"
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# Create the final montage by concatenating the video files with the music
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echo "Creating montage for $season Mvt $movement_num..."
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music_file=$(find "$music_base_dir" -type f -iname "*${season}*Mvt*${movement_num}*" | sort | head -n 1)
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if [ -z "$music_file" ]; then
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echo "ERROR: Music file not found for $season Mvt $movement_num in $music_base_dir"
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exit 1
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fi
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music_duration=$(ffprobe -v error -show_entries format=duration -of csv=p=0 "$music_file")
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echo "Music: $(basename "$music_file") ($music_duration s)"
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# Use ffmpeg to concatenate the video files and overlay the music
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ffmpeg -f concat -safe 0 -i "$temp_file" -i "$music_file" -c:v libx264 -pix_fmt yuv420p -c:a aac -strict experimental -shortest "$output_file"
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# Collect sorted daily clips
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mapfile -d '' daily_clips < <(find "$video_dir" -maxdepth 1 -name "*-final.mp4" -print0 | sort -z)
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if [ "${#daily_clips[@]}" -eq 0 ]; then
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echo "ERROR: No *-final.mp4 clips found in $video_dir"
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exit 1
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fi
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echo "Found ${#daily_clips[@]} daily clips"
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# Clean up temporary file
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rm "$temp_file"
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# ── Temp-file tracking for cleanup ────────────────────────────────────────────
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TMPFILES=()
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cleanup() { rm -f "${TMPFILES[@]}" 2>/dev/null || true; }
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trap cleanup EXIT
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echo "Montage created: $output_file"
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concat_list=$(mktemp --suffix=.txt); TMPFILES+=("$concat_list")
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printf "file '%s'\n" "${daily_clips[@]}" > "$concat_list"
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# ── Step 1: Concatenate + normalise to TARGET_W x TARGET_H ────────────────────
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temp_concat=$(mktemp --suffix=.mp4); TMPFILES+=("$temp_concat")
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echo "Step 1/5: concatenating ${#daily_clips[@]} clips at ${TARGET_W}x${TARGET_H}..."
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ffmpeg -loglevel warning \
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-f concat -safe 0 -i "$concat_list" \
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-vf "scale=${TARGET_W}:${TARGET_H}:force_original_aspect_ratio=decrease,\
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pad=${TARGET_W}:${TARGET_H}:(ow-iw)/2:(oh-ih)/2,setsar=1" \
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-c:v libx264 -pix_fmt yuv420p -crf 26 -an -y "$temp_concat"
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# ── Step 2: Speed-adjust so total video == music duration ─────────────────────
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concat_dur=$(ffprobe -v error -show_entries format=duration -of csv=p=0 "$temp_concat")
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speed_factor=$(echo "scale=6; $concat_dur / $music_duration" | bc)
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echo "Step 2/5: speed factor $speed_factor (raw=${concat_dur}s target=${music_duration}s)"
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temp_sped=$(mktemp --suffix=.mp4); TMPFILES+=("$temp_sped")
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ffmpeg -loglevel warning \
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-i "$temp_concat" \
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-vf "setpts=PTS/$speed_factor" \
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-c:v libx264 -pix_fmt yuv420p -crf 26 -an \
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-t "$music_duration" -y "$temp_sped"
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rm "$temp_concat"
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# ── Step 3: Merge with music + video/audio fades ──────────────────────────────
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fade_out_start=$(echo "scale=3; $music_duration - $FADE_DUR" | bc)
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echo "Step 3/5: merging music + fade in/out (fade=${FADE_DUR}s)..."
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temp_main=$(mktemp --suffix=.mp4); TMPFILES+=("$temp_main")
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ffmpeg -loglevel warning \
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-i "$temp_sped" -i "$music_file" \
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-filter_complex \
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"[0:v]fade=t=in:st=0:d=${FADE_DUR},fade=t=out:st=${fade_out_start}:d=${FADE_DUR}[vout];\
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[1:a]afade=t=in:st=0:d=${FADE_DUR},afade=t=out:st=${fade_out_start}:d=${FADE_DUR}[aout]" \
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-map "[vout]" -map "[aout]" \
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-c:v libx264 -pix_fmt yuv420p -c:a aac -b:a 192k \
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-t "$music_duration" -y "$temp_main"
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rm "$temp_sped"
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# ── Step 4: Create 7-second attribution card ──────────────────────────────────
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echo "Step 4/5: building attribution card..."
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# Locate a usable font
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FONT=""
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FONT_BOLD=""
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if command -v fc-match &>/dev/null; then
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FONT=$(fc-match "DejaVu Sans:style=Regular" --format="%{file}" 2>/dev/null || true)
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FONT_BOLD=$(fc-match "DejaVu Sans:style=Bold" --format="%{file}" 2>/dev/null || true)
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fi
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if [ -z "$FONT" ]; then
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for f in \
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/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf \
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/usr/share/fonts/dejavu/DejaVuSans.ttf \
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/usr/share/fonts/TTF/DejaVuSans.ttf \
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/usr/share/fonts/truetype/freefont/FreeSans.ttf; do
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[ -f "$f" ] && { FONT="$f"; break; }
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done
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fi
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[ -z "$FONT_BOLD" ] && FONT_BOLD="$FONT"
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# Build drawtext chain (colons in text values escaped as \: → \\: in bash string)
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DT="drawtext=fontfile='${FONT_BOLD}':text='The Four Seasons - Antonio Vivaldi':fontcolor=white:fontsize=38:x=(w-text_w)/2:y=h*0.18"
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DT="${DT},drawtext=fontfile='${FONT}':text='Performed by John Harrison':fontcolor=0xDDDDDD:fontsize=28:x=(w-text_w)/2:y=h*0.34"
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DT="${DT},drawtext=fontfile='${FONT}':text='with the Wichita State University Chamber Players':fontcolor=0xDDDDDD:fontsize=22:x=(w-text_w)/2:y=h*0.44"
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DT="${DT},drawtext=fontfile='${FONT}':text='Source\\: Free Music Archive':fontcolor=white:fontsize=21:x=(w-text_w)/2:y=h*0.59"
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DT="${DT},drawtext=fontfile='${FONT}':text='freemusicarchive.org':fontcolor=0xFFFF88:fontsize=21:x=(w-text_w)/2:y=h*0.68"
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DT="${DT},drawtext=fontfile='${FONT}':text='License\\: CC BY-NC-SA 4.0':fontcolor=0xCCCCCC:fontsize=19:x=(w-text_w)/2:y=h*0.78"
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DT="${DT},fade=t=in:st=0:d=1,fade=t=out:st=$((ATTR_DUR - 1)):d=1"
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temp_attr=$(mktemp --suffix=.mp4); TMPFILES+=("$temp_attr")
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ffmpeg -loglevel warning \
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-f lavfi -i "color=c=black:s=${TARGET_W}x${TARGET_H}:r=25:d=${ATTR_DUR}" \
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-f lavfi -i "anullsrc=r=44100:cl=stereo" \
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-vf "$DT" \
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-c:v libx264 -pix_fmt yuv420p -c:a aac -b:a 192k \
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-t "$ATTR_DUR" -y "$temp_attr"
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# ── Step 5: Concatenate montage + attribution ─────────────────────────────────
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echo "Step 5/5: appending attribution and writing final file..."
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final_list=$(mktemp --suffix=.txt); TMPFILES+=("$final_list")
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printf "file '%s'\n" "$temp_main" "$temp_attr" > "$final_list"
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output_file="$output_dir/$(date +%Y-%m-%d)_${season}_Mvt${movement_num}-Montage.mp4"
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ffmpeg -loglevel warning \
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-f concat -safe 0 -i "$final_list" \
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-c copy -y "$output_file"
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echo "Done: $output_file"
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