merge

# Force re-encode to apply transition
mediaproc video merge video1.mp4 video2.mp4 --re-encode --transition fade

# 1-second fade between clips
mediaproc video merge clip1.mp4 clip2.mp4 clip3.mp4 --transition fade

# 2-second dissolve
mediaproc video merge part1.mp4 part2.mp4 --transition dissolve --transition-duration 2

# Quick 0.5s wipe
mediaproc video merge video1.mp4 video2.mp4 --transition wipe --transition-duration 0.5

# Mix of 720p and 1080p videos → all scaled to 1080p
mediaproc video merge 720p-clip.mp4 1080p-clip.mp4 --scale 1080p

# Scale everything to 720p for web delivery
mediaproc video merge *.mp4 --scale 720p -o web-version.mp4

# Merge with normalized audio
mediaproc video merge loud-video.mp4 quiet-video.mp4 --normalize-audio

# H.265 for better compression
mediaproc video merge video1.mp4 video2.mp4 -c h265 -o output.mp4

# WebM with VP9 + Opus
mediaproc video merge clip1.mp4 clip2.mp4 -c vp9 --audio-codec opus --format webm

# See detailed FFmpeg processing
mediaproc video merge video1.mp4 video2.mp4 -v

# Merge split parts
mediaproc video merge movie-part1.mp4 movie-part2.mp4 movie-part3.mp4 -o movie-complete.mp4

# Numbered segments
mediaproc video merge segment-{1..10}.mp4 -o full-recording.mp4

# Highlight reel
mediaproc video merge goal1.mp4 goal2.mp4 goal3.mp4 -o highlights.mp4

# Best moments
mediaproc video merge moment*.mp4 -o best-moments.mp4

# Tutorial sections
mediaproc video merge intro.mp4 step1.mp4 step2.mp4 step3.mp4 outro.mp4 -o full-tutorial.mp4

# Lecture parts
mediaproc video merge lecture-intro.mp4 lecture-content.mp4 lecture-qa.mp4 -o full-lecture.mp4

# Multi-presenter webinar
mediaproc video merge speaker1.mp4 speaker2.mp4 speaker3.mp4 -o webinar.mp4

# Remove intro/outro from each, then merge
mediaproc video trim video1.mp4 -s 10 -e 290 -o clip1.mp4
mediaproc video trim video2.mp4 -s 5 -e 295 -o clip2.mp4
mediaproc video trim video3.mp4 -s 8 -e 292 -o clip3.mp4

mediaproc video merge clip1.mp4 clip2.mp4 clip3.mp4 -o final.mp4

# Sequential camera footage
mediaproc video merge camera-a.mp4 camera-b.mp4 camera-c.mp4 -o multi-angle.mp4

# Before/after segments
mediaproc video merge before.mp4 during.mp4 after.mp4 -o transformation.mp4

# Recording sessions
mediaproc video merge session1.mp4 session2.mp4 session3.mp4 -o full-recording.mp4

# Tutorial steps recorded separately
mediaproc video merge step*.mp4 -o complete-tutorial.mp4

# Creates temporary concat list
file 'video1.mp4'
file 'video2.mp4'
file 'video3.mp4'

# FFmpeg command
ffmpeg -f concat -safe 0 -i list.txt -c copy output.mp4

ffmpeg -i video1.mp4 -i video2.avi -i video3.mkv \
  -filter_complex '[0:v][0:a][1:v][1:a][2:v][2:a]concat=n=3:v=1:a=1[v][a]' \
  -map '[v]' -map '[a]' -c:v libx264 -crf 23 -c:a aac output.mp4

// Checks for:
- Same format (container)
- Same video codec
- Same resolution
- Same frame rate
- Same audio codec

// If all match → Fast concat
// If any differ → Re-encode

# MP4 output (default)
mediaproc video merge video1.mp4 video2.mp4 -o output.mp4

# MKV output
mediaproc video merge video1.mp4 video2.mp4 -o output.mkv

# WebM output
mediaproc video merge video1.mp4 video2.mp4 -o output.webm

# Transcode all to same frame rate
for file in *.mp4; do
  ffmpeg -i "$file" -r 30 -c:v libx264 -crf 23 "${file%.mp4}-30fps.mp4"
done

# Then merge standardized files
mediaproc video merge *-30fps.mp4 -o merged.mp4

# Wrong (alphabetical)
mediaproc video merge video*.mp4

# Right (explicit order)
mediaproc video merge video1.mp4 video2.mp4 video3.mp4

# Right (numbered)
mediaproc video merge video{1..10}.mp4

# Manually transcode to same format
for file in *.mp4; do
  mediaproc video transcode "$file" -f mp4 -c h264 -o "standardized-$file"
done

mediaproc video merge standardized-*.mp4 -o merged.mp4

# Convert all to same format once
for file in *.{avi,mkv,mov}; do
  mediaproc video transcode "$file" -f mp4 -c h264 -o "${file%.*}.mp4"
done

# Then fast merge
mediaproc video merge *.mp4

# Already uses H.264 by default (fastest reasonable codec)

#!/bin/bash
# Merge files in numerical order

files=($(ls -v segment-*.mp4))
echo "Merging ${#files[@]} files in order..."

mediaproc video merge "${files[@]}" -o complete.mp4

#!/bin/bash
# Ensure all videos have same properties before merging

input_files=("video1.mp4" "video2.avi" "video3.mkv")
standardized=()

for file in "${input_files[@]}"; do
  output="standardized-${file%.*}.mp4"
  echo "Standardizing $file..."

  mediaproc video transcode "$file" \
    -f mp4 \
    -c h264 \
    --crf 23 \
    -o "$output"

  standardized+=("$output")
done

echo "Merging standardized files..."
mediaproc video merge "${standardized[@]}" -o merged.mp4

# Cleanup
rm standardized-*.mp4

#!/bin/bash
# Create compilation with intro/outro

intro="intro.mp4"
outro="outro.mp4"
clips=(clip1.mp4 clip2.mp4 clip3.mp4)

# Merge main clips
mediaproc video merge "${clips[@]}" -o main-content.mp4

# Add intro and outro
mediaproc video merge "$intro" main-content.mp4 "$outro" -o final-with-bookends.mp4

# Cleanup
rm main-content.mp4

#!/bin/bash
# Add fade transitions by trimming overlap points

videos=(video1.mp4 video2.mp4 video3.mp4)
trimmed=()

for ((i=0; i<${#videos[@]}; i++)); do
  input="${videos[$i]}"
  output="trimmed-$i.mp4"

  if [ $i -eq 0 ]; then
    # First video: trim last 0.5 sec
    duration=$(ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "$input")
    end=$(echo "$duration - 0.5" | bc)
    mediaproc video trim "$input" -e "$end" -o "$output"
  elif [ $i -eq $((${#videos[@]}-1)) ]; then
    # Last video: trim first 0.5 sec
    mediaproc video trim "$input" -s 0.5 -o "$output"
  else
    # Middle videos: trim both ends
    duration=$(ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "$input")
    end=$(echo "$duration - 0.5" | bc)
    mediaproc video trim "$input" -s 0.5 -e "$end" -o "$output"
  fi

  trimmed+=("$output")
done

# Merge trimmed videos
mediaproc video merge "${trimmed[@]}" -o seamless.mp4

# Cleanup
rm trimmed-*.mp4

#!/bin/bash
# Create multiple merged videos from chapter definitions

# Define chapters (output_name: input_files...)
declare -A chapters
chapters["chapter1"]="intro.mp4 section1a.mp4 section1b.mp4"
chapters["chapter2"]="section2a.mp4 section2b.mp4 section2c.mp4"
chapters["chapter3"]="section3a.mp4 section3b.mp4 outro.mp4"

for chapter in "${!chapters[@]}"; do
  echo "Creating $chapter..."
  files=(${chapters[$chapter]})
  mediaproc video merge ${files[@]} -o "$chapter.mp4"
done

# Merge all chapters
mediaproc video merge chapter*.mp4 -o complete-course.mp4

#!/bin/bash
# Merge videos from playlist with detailed logging

playlist="playlist.txt"
log="merge-log.txt"

echo "Merge started: $(date)" > "$log"
echo "---" >> "$log"

files=()
while IFS= read -r file; do
  if [ -f "$file" ]; then
    duration=$(ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "$file")
    size=$(du -h "$file" | cut -f1)
    echo "Adding: $file (Duration: ${duration}s, Size: $size)" >> "$log"
    files+=("$file")
  else
    echo "Warning: File not found: $file" >> "$log"
  fi
done < "$playlist"

echo "---" >> "$log"
echo "Total files: ${#files[@]}" >> "$log"

if [ ${#files[@]} -ge 2 ]; then
  echo "Merging..." >> "$log"
  mediaproc video merge "${files[@]}" -o merged-playlist.mp4 -v >> "$log" 2>&1
  echo "Merge completed: $(date)" >> "$log"
else
  echo "Error: Need at least 2 files to merge" >> "$log"
fi