# TikTok optimized encoding - 2025-2026 specs
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,setsar=1,fps=30" \
  -c:v libx264 -preset medium -crf 22 -profile:v high -level 4.1 \
  -x264-params "keyint=60:min-keyint=30:scenecut=0" \
  -c:a aac -b:a 192k -ar 44100 -ac 2 \
  -af "loudnorm=I=-11:TP=-1.5:LRA=11" \
  -pix_fmt yuv420p \
  -movflags +faststart \
  -max_muxing_queue_size 1024 \
  -t 34 \
  output_tiktok.mp4

# Pass 1
ffmpeg -y -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,fps=30" \
  -c:v libx264 -preset medium -b:v 7M -maxrate 8M -bufsize 16M \
  -profile:v high -level 4.1 -pass 1 -an -f null /dev/null

# Pass 2
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,fps=30" \
  -c:v libx264 -preset medium -b:v 7M -maxrate 8M -bufsize 16M \
  -profile:v high -level 4.1 -pass 2 \
  -c:a aac -b:a 192k -ar 44100 \
  -af "loudnorm=I=-11:TP=-1.5:LRA=11" \
  -pix_fmt yuv420p -movflags +faststart \
  output_tiktok.mp4

# YouTube Shorts H.264 encoding - maximum compatibility
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,setsar=1,fps=30" \
  -c:v libx264 -preset slow -crf 20 -profile:v high -level 4.2 \
  -x264-params "keyint=60:min-keyint=30:scenecut=40" \
  -c:a aac -b:a 192k -ar 48000 -ac 2 \
  -af "loudnorm=I=-14:TP=-1.5:LRA=11" \
  -pix_fmt yuv420p \
  -colorspace bt709 -color_primaries bt709 -color_trc bt709 \
  -movflags +faststart \
  -max_muxing_queue_size 1024 \
  -t 59 \
  -metadata title="Your Shorts Title" \
  -metadata comment="#Shorts" \
  output_shorts.mp4

# Pass 1 - Analysis
ffmpeg -y -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,fps=30" \
  -c:v libx264 -preset slow -b:v 8M -profile:v high -level 4.2 \
  -pass 1 -an -f null /dev/null

# Pass 2 - Encode
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,fps=30" \
  -c:v libx264 -preset slow -b:v 8M -profile:v high -level 4.2 \
  -pass 2 \
  -c:a aac -b:a 192k -ar 48000 \
  -af "loudnorm=I=-14:TP=-1.5:LRA=11" \
  -pix_fmt yuv420p -movflags +faststart \
  -metadata comment="#Shorts" \
  output_shorts.mp4

# YouTube Shorts VP9 encoding (preferred by YouTube)
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,setsar=1" \
  -c:v libvpx-vp9 -crf 25 -b:v 0 -deadline good -cpu-used 2 \
  -c:a libopus -b:a 192k -ar 48000 \
  -row-mt 1 \
  -t 59 \
  output_shorts.webm

# Instagram Reels optimized encoding - high quality
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,setsar=1,fps=30" \
  -c:v libx264 -preset medium -crf 22 -profile:v high -level 4.1 \
  -x264-params "keyint=60:min-keyint=30:scenecut=40" \
  -c:a aac -b:a 192k -ar 44100 -ac 2 \
  -af "loudnorm=I=-11:TP=-1.5:LRA=11" \
  -pix_fmt yuv420p \
  -movflags +faststart \
  -t 30 \
  output_reels.mp4

# Instagram Reels with precise bitrate (5-10 Mbps range)
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,fps=30" \
  -c:v libx264 -preset medium -b:v 8M -maxrate 10M -bufsize 20M \
  -profile:v high -level 4.1 \
  -c:a aac -b:a 192k -ar 44100 \
  -af "loudnorm=I=-11:TP=-1.5:LRA=11" \
  -pix_fmt yuv420p -movflags +faststart \
  output_reels_bitrate.mp4

# Facebook Reels optimized encoding - 2025-2026
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,setsar=1,fps=30" \
  -c:v libx264 -preset medium -crf 22 -profile:v high -level 4.1 \
  -x264-params "keyint=60:min-keyint=30:scenecut=40" \
  -c:a aac -b:a 192k -ar 48000 -ac 2 \
  -af "loudnorm=I=-13:TP=-1:LRA=11" \
  -pix_fmt yuv420p \
  -movflags +faststart \
  -t 30 \
  output_fb_reels.mp4

# Facebook Reels - high quality with bitrate control
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,fps=30" \
  -c:v libx264 -preset medium -b:v 8M -maxrate 10M -bufsize 20M \
  -profile:v high -level 4.1 \
  -c:a aac -b:a 192k -ar 48000 -ac 2 \
  -af "loudnorm=I=-13:TP=-1:LRA=11" \
  -pix_fmt yuv420p -movflags +faststart \
  output_fb_reels_hq.mp4

# Snapchat Spotlight optimized encoding
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,setsar=1,fps=30" \
  -c:v libx264 -preset fast -crf 24 -profile:v main -level 4.0 \
  -c:a aac -b:a 128k -ar 44100 -ac 2 \
  -pix_fmt yuv420p \
  -movflags +faststart \
  -fs 300M \
  -t 60 \
  output_spotlight.mp4

# Twitter/X optimized encoding
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,setsar=1,fps=30" \
  -c:v libx264 -preset fast -crf 23 -profile:v high -level 4.1 \
  -c:a aac -b:a 128k -ar 44100 -ac 2 \
  -pix_fmt yuv420p \
  -movflags +faststart \
  -fs 512M \
  -t 140 \
  output_twitter.mp4

#!/bin/bash
# export_all_platforms.sh - Export video for all platforms at once

INPUT="$1"
BASENAME=$(basename "$INPUT" .mp4)

echo "Exporting $INPUT for all platforms..."

# TikTok
ffmpeg -i "$INPUT" \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black" \
  -c:v libx264 -preset fast -crf 23 \
  -c:a aac -b:a 128k -ar 44100 \
  -pix_fmt yuv420p -movflags +faststart \
  -t 60 \
  "${BASENAME}_tiktok.mp4" &

# YouTube Shorts
ffmpeg -i "$INPUT" \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black" \
  -c:v libx264 -preset fast -crf 22 \
  -c:a aac -b:a 192k -ar 48000 \
  -pix_fmt yuv420p -movflags +faststart \
  -t 59 \
  "${BASENAME}_shorts.mp4" &

# Instagram Reels
ffmpeg -i "$INPUT" \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,fps=30" \
  -c:v libx264 -preset fast -crf 23 \
  -c:a aac -b:a 128k -ar 44100 \
  -pix_fmt yuv420p -movflags +faststart \
  -t 90 \
  "${BASENAME}_reels.mp4" &

# Snapchat Spotlight
ffmpeg -i "$INPUT" \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,fps=30" \
  -c:v libx264 -preset fast -crf 24 \
  -c:a aac -b:a 128k -ar 44100 \
  -pix_fmt yuv420p -movflags +faststart \
  -fs 300M -t 60 \
  "${BASENAME}_spotlight.mp4" &

# Twitter/X
ffmpeg -i "$INPUT" \
  -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2:black,fps=30" \
  -c:v libx264 -preset fast -crf 23 \
  -c:a aac -b:a 128k -ar 44100 \
  -pix_fmt yuv420p -movflags +faststart \
  -t 140 \
  "${BASENAME}_twitter.mp4" &

wait
echo "All platform exports complete!"
ls -lh "${BASENAME}_*.mp4"

# Formula: bitrate = (target_size_MB * 8192) / duration_seconds - audio_bitrate

# Example: 50MB file, 60 seconds, 128kbps audio
# Video bitrate = (50 * 8192) / 60 - 128 = 6697 kbps

ffmpeg -i input.mp4 \
  -vf "scale=1080:1920" \
  -c:v libx264 -b:v 6500k -maxrate 7000k -bufsize 14000k \
  -c:a aac -b:a 128k \
  -pix_fmt yuv420p -movflags +faststart \
  output_sized.mp4

# Pass 1
ffmpeg -y -i input.mp4 \
  -vf "scale=1080:1920" \
  -c:v libx264 -b:v 6500k -pass 1 -an -f null /dev/null

# Pass 2
ffmpeg -i input.mp4 \
  -vf "scale=1080:1920" \
  -c:v libx264 -b:v 6500k -pass 2 \
  -c:a aac -b:a 128k \
  -movflags +faststart \
  output_2pass.mp4

# Verify platform compliance
verify_platform() {
    local file=$1
    echo "=== Checking: $file ==="
    ffprobe -v error -select_streams v:0 \
      -show_entries stream=width,height,codec_name,pix_fmt,r_frame_rate,bit_rate \
      -show_entries format=duration,size,bit_rate \
      -of default=noprint_wrappers=1 "$file"

    # File size in MB
    size_mb=$(ls -l "$file" | awk '{print $5/1024/1024}')
    echo "File Size: ${size_mb}MB"
}

verify_platform output_tiktok.mp4

# High saturation, punchy contrast for maximum mobile impact
ffmpeg -i input.mp4 \
  -vf "eq=saturation=1.2:contrast=1.2:brightness=-0.02,unsharp=5:5:0.8" \
  -c:v libx264 -preset medium -crf 22 \
  output_bold.mp4

# Popular cinematic color grade - orange in highlights, teal in shadows
ffmpeg -i input.mp4 \
  -vf "\
    eq=contrast=1.15:saturation=1.1:brightness=-0.02,\
    colorbalance=rs=0.12:gs=-0.04:bs=-0.15:rm=0.08:gm=-0.02:bm=-0.08:rh=0.08:gh=-0.03:bh=-0.12,\
    curves=all='0/0.02 0.5/0.5 1/0.98',\
    unsharp=5:5:0.6\
  " \
  -c:v libx264 -preset medium -crf 22 \
  output_orange_teal.mp4

# Optimized for TikTok/Reels - saturated, sharp, mobile-friendly
ffmpeg -i input.mp4 \
  -vf "\
    eq=saturation=1.25:contrast=1.18:brightness=0.01:gamma=1.05,\
    colorbalance=rs=0.05:bs=-0.05,\
    unsharp=5:5:0.7\
  " \
  -c:v libx264 -preset medium -crf 22 \
  output_vibrant.mp4

# Lower saturation, higher contrast, lifted blacks
ffmpeg -i input.mp4 \
  -vf "\
    eq=saturation=0.95:contrast=1.25:brightness=-0.03,\
    curves=all='0/0.05 0.5/0.48 1/0.95',\
    colorbalance=bs=0.08:bh=-0.05,\
    unsharp=5:5:0.5\
  " \
  -c:v libx264 -preset medium -crf 22 \
  output_moody.mp4

# Apply a .cube LUT file for professional color grading
ffmpeg -i input.mp4 \
  -vf "lut3d=file=cinematic.cube,unsharp=5:5:0.6" \
  -c:v libx264 -preset medium -crf 22 \
  output_lut.mp4

┌─────────────────────┐
│   14% TOP MARGIN    │ ← Username, UI elements
├─────────────────────┤
│                     │
│   SAFE TEXT ZONE    │ ← Place all text here
│   (upper 2/3)       │
│                     │
├─────────────────────┤
│                     │
│  35% BOTTOM MARGIN  │ ← Captions, buttons, likes
└─────────────────────┘
    6%         6%
  ← margin  margin →

# Maximum mobile readability - white text, thick black outline
ffmpeg -i input.mp4 \
  -vf "drawtext=text='YOUR TEXT':fontsize=56:fontcolor=white:borderw=4:bordercolor=black:x=(w-tw)/2:y=h*0.15" \
  -c:v libx264 -preset medium -crf 22 \
  output_text.mp4

# Fade-in text (2-second duration)
ffmpeg -i input.mp4 \
  -vf "drawtext=text='STOP SCROLLING':fontsize=72:fontcolor=yellow:borderw=5:bordercolor=black:x=(w-tw)/2:y=h*0.15:alpha='if(lt(t,1),t,1)':enable='between(t,0,2)'" \
  -c:v libx264 -preset medium -crf 22 \
  output_fade_text.mp4

# Auto-caption burn-in (CapCut style)
-vf "subtitles=captions.srt:force_style='\
FontName=Arial Black,\
FontSize=52,\
PrimaryColour=&HFFFFFF,\
OutlineColour=&H000000,\
Outline=4,\
Shadow=0,\
Bold=1,\
Alignment=2,\
MarginV=250'"