Generate a virtual quartet video

stitch.sh

#!/bin/bash
ffmpeg -y \
  -ss 5 -i "elisabeth.mp4" \
  -ss 0 -i "ryan.MOV" \
  -ss 7.5 -i "cary.mp4" \
  -ss 2.9 -i "jackie.MOV" \
  -ss 9 -i "tess.MOV" \
  -ss 9 -i "Water River Spirit Grace.m4a" \
  -filter_complex " \
      [0:v] setpts=PTS-STARTPTS, crop=608:720:in_w/2-out_w/2+100:100, scale=912:1080 [v0]; \
      [1:v] setpts=PTS-STARTPTS, crop=in_w:in_w*(540/504):0:400, scale=504:540 [v1]; \
      [2:v] setpts=PTS-STARTPTS, crop=in_w:in_w*(540/504):0:200, scale=504:540 [v2]; \
      [3:v] setpts=PTS-STARTPTS, crop=in_w:in_w*(540/504):0:300, scale=504:540 [v3]; \

      [4:v] setpts=PTS-STARTPTS, crop=in_w:in_w*(540/504):0:150, scale=504:540 [v4]; \
      [v0][v1][v2][v3][v4]xstack=inputs=5:shortest=1 \
      :layout=0_0|w0_0|w0_h1|w0+w1_0|w0+w1_h1[grid] \
      " \
   -map "[grid]" \
   -shortest \
   -ss 6.3 \
   -c:a copy \
   -map 5:a:0 \
   -c:v libx264 \
   "Water, River, Spirit, Grace.mp4"
   #-f matroska - | ffplay -